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dnl This file contains local autoconf macros. dnl ---------------------------------------------------------------------------- dnl Output stylize macros for configure (help/runtime). dnl ---------------------------------------------------------------------------- dnl dnl PHP_HELP_SEPARATOR(title) dnl dnl Adds separator title into the configure --help display. dnl AC_DEFUN([PHP_HELP_SEPARATOR], [AC_ARG_ENABLE([], [ $1], [])]) dnl dnl PHP_CONFIGURE_PART(title) dnl dnl Adds separator title configure output (idea borrowed from mm). dnl AC_DEFUN([PHP_CONFIGURE_PART],[ AC_MSG_RESULT() AC_MSG_RESULT([${T_MD}$1${T_ME}]) ]) dnl ---------------------------------------------------------------------------- dnl Build system helper macros. dnl ---------------------------------------------------------------------------- dnl dnl PHP_RUN_ONCE(namespace, variable, code) dnl dnl Execute code, if variable is not set in namespace. dnl AC_DEFUN([PHP_RUN_ONCE],[ changequote({,}) unique=$(echo $2|$SED 's/[^a-zA-Z0-9]/_/g') changequote([,]) cmd="echo $ac_n \"\$$1$unique$ac_c\"" if test -n "$unique" && test "$(eval $cmd)" = "" ; then eval "$1$unique=set" $3 fi ]) dnl dnl PHP_EXPAND_PATH(path, variable) dnl dnl Expands path to an absolute path and assigns it to variable. dnl AC_DEFUN([PHP_EXPAND_PATH],[ if test -z "$1" || echo "$1" | grep '^/' >/dev/null ; then $2=$1 else changequote({,}) ep_dir=$(echo $1|$SED 's%/*[^/][^/]*/*$%%') changequote([,]) if test -z $ep_dir ; then ep_realdir=$(pwd) else ep_realdir=$(cd "$ep_dir" && pwd) fi $2="$ep_realdir"/$(basename "$1") fi ]) dnl dnl PHP_SUBST(varname) dnl dnl Adds variable with its value into Makefile, e.g.: dnl CC = gcc dnl AC_DEFUN([PHP_SUBST],[ PHP_VAR_SUBST="$PHP_VAR_SUBST $1" ]) dnl dnl PHP_SUBST_OLD(varname, [VALUE]) dnl dnl Same as PHP_SUBST() but also substitutes all @VARNAME@ instances in every dnl file passed to AC_OUTPUT. dnl AC_DEFUN([PHP_SUBST_OLD],[ AC_SUBST($@) PHP_SUBST([$1]) ]) dnl ---------------------------------------------------------------------------- dnl Build system base macros. dnl ---------------------------------------------------------------------------- dnl dnl PHP_CANONICAL_HOST_TARGET dnl AC_DEFUN([PHP_CANONICAL_HOST_TARGET],[ AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_TARGET])dnl dnl Make sure we do not continue if host_alias is empty. if test -z "$host_alias" && test -n "$host"; then host_alias=$host fi AS_VAR_IF([host_alias],, [AC_MSG_ERROR([host_alias is not set! Make sure to run config.guess])]) ]) dnl dnl PHP_INIT_BUILD_SYSTEM dnl dnl Initializes PHP build system configuration, creates build directories and dnl adds Makefile placeholders. dnl AC_DEFUN([PHP_INIT_BUILD_SYSTEM], [AC_REQUIRE([PHP_CANONICAL_HOST_TARGET])dnl php_shtool=$srcdir/build/shtool T_MD=$($php_shtool echo -n -e %B) T_ME=$($php_shtool echo -n -e %b) dnl Create empty Makefile placeholders. > Makefile.objects > Makefile.fragments dnl Mark whether the CFLAGS are set to automatic default value by Autoconf, or dnl they are manually modified by the environment variable from outside. E.g. dnl './configure CFLAGS=...'. Set this before the AC_PROG_CC, where Autoconf dnl adjusts the CFLAGS variable, so the checks can modify CFLAGS. AS_VAR_IF([CFLAGS],, [auto_cflags=1]) dnl Required programs. PHP_PROG_AWK abs_srcdir=$(cd $srcdir && pwd) abs_builddir=$(pwd) dnl Run at the end of the configuration, before creating the config.status. AC_CONFIG_COMMANDS_PRE( [dnl Directory for storing shared objects of extensions. PHP_ADD_BUILD_DIR([modules]) phplibdir="$(pwd)/modules" PHP_SUBST([phplibdir]) PHP_GEN_BUILD_DIRS PHP_GEN_GLOBAL_MAKEFILE ])dnl ]) dnl dnl PHP_GEN_GLOBAL_MAKEFILE dnl dnl Generates the global makefile. dnl AC_DEFUN([PHP_GEN_GLOBAL_MAKEFILE],[ AC_MSG_NOTICE([creating Makefile]) cat >Makefile <<EOF srcdir = $abs_srcdir builddir = $abs_builddir top_srcdir = $abs_srcdir top_builddir = $abs_builddir EOF for i in $PHP_VAR_SUBST; do eval echo "$i = \$$i" >> Makefile done cat $abs_srcdir/build/Makefile.global Makefile.fragments Makefile.objects >> Makefile ]) dnl dnl PHP_ADD_MAKEFILE_FRAGMENT([makefile [, srcdir [, builddir]]]) dnl dnl Processes a file called Makefile.frag in the source directory of the most dnl recently added extension. $(srcdir) and $(builddir) are substituted with the dnl proper paths. Can be used to supply custom rules and/or additional targets. dnl For extensions, call this macro after the PHP_NEW_EXTENSION to get these dnl variables substituted automatically, elsewhere pass the Makefile path dnl "makefile" and optionally adjust "srcdir" and "builddir". dnl AC_DEFUN([PHP_ADD_MAKEFILE_FRAGMENT], [dnl ifelse($1,,src=$ext_srcdir/Makefile.frag,src=$1) ifelse($2,,ac_srcdir=$ext_srcdir,ac_srcdir=$2) ifelse($3,,ac_builddir=$ext_builddir,ac_builddir=$3) test -f "$src" && $SED -e "s#\$(srcdir)#$ac_srcdir#g" -e "s#\$(builddir)#$ac_builddir#g" $src >> Makefile.fragments ]) dnl dnl PHP_ADD_SOURCES(source-path, sources [, special-flags [, type]]) dnl dnl Adds sources which are located relative to source-path to the array of type dnl type. The blank-or-newline separated list of "sources" are processed with dnl optional special-flags which are passed to the compiler. Sources can be dnl either written in C or C++ (filenames shall end in .c or .cpp, dnl respectively). dnl dnl Note: If source-path begins with a "/", the "/" is removed and the path is dnl interpreted relative to the top build-directory. dnl dnl Which array to append to? dnl AC_DEFUN([PHP_ADD_SOURCES],[ PHP_ADD_SOURCES_X($1, $2, $3, ifelse($4,sapi,PHP_SAPI_OBJS,PHP_GLOBAL_OBJS)) ]) dnl dnl _PHP_ASSIGN_BUILD_VARS(type) dnl dnl Internal, don't use. dnl AC_DEFUN([_PHP_ASSIGN_BUILD_VARS],[ ifelse($1,shared,[ b_c_pre=$shared_c_pre b_cxx_pre=$shared_cxx_pre b_c_meta=$shared_c_meta b_cxx_meta=$shared_cxx_meta b_c_post=$shared_c_post b_cxx_post=$shared_cxx_post ],[ b_c_pre=$php_c_pre b_cxx_pre=$php_cxx_pre b_c_meta=$php_c_meta b_cxx_meta=$php_cxx_meta b_c_post=$php_c_post b_cxx_post=$php_cxx_post ])dnl b_lo=[$]$1_lo ]) dnl dnl PHP_ADD_SOURCES_X(source-path, sources[, special-flags[, target-var[, shared]]]) dnl dnl Additional to PHP_ADD_SOURCES (see above), this lets you set the name of the dnl array target-var directly, as well as whether shared objects will be built dnl from the blank-or-newline-separated list of "sources". Should not be used dnl directly. dnl AC_DEFUN([PHP_ADD_SOURCES_X],[ dnl Relative to source- or build-directory? dnl ac_srcdir/ac_bdir include trailing slash case $1 in ""[)] ac_srcdir="$abs_srcdir/"; unset ac_bdir; ac_inc="-I. -I$abs_srcdir" ;; /*[)] ac_srcdir=$(echo "$1"|cut -c 2-)"/"; ac_bdir=$ac_srcdir; ac_inc="-I$ac_bdir -I$abs_srcdir/$ac_bdir" ;; *[)] ac_srcdir="$abs_srcdir/$1/"; ac_bdir="$1/"; ac_inc="-I$ac_bdir -I$ac_srcdir" ;; esac dnl how to build .. shared or static? ifelse($5,yes,_PHP_ASSIGN_BUILD_VARS(shared),_PHP_ASSIGN_BUILD_VARS(php)) dnl Iterate over the sources. old_IFS=[$]IFS for ac_src in m4_normalize(m4_expand([$2])); do dnl Remove the suffix. IFS=. set $ac_src ac_obj=[$]1 IFS=$old_IFS dnl Append to the array which has been dynamically chosen at m4 time. $4="[$]$4 [$]ac_bdir[$]ac_obj.lo" dnl Choose the right compiler/flags/etc. for the source-file. case $ac_src in *.c[)] ac_comp="$b_c_pre $ac_inc $b_c_meta m4_normalize(m4_expand([$3])) -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $b_c_post" ;; *.s[)] ac_comp="$b_c_pre $ac_inc $b_c_meta m4_normalize(m4_expand([$3])) -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $b_c_post" ;; *.S[)] ac_comp="$b_c_pre $ac_inc $b_c_meta m4_normalize(m4_expand([$3])) -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $b_c_post" ;; *.cpp|*.cc|*.cxx[)] ac_comp="$b_cxx_pre $ac_inc $b_cxx_meta m4_normalize(m4_expand([$3])) -c $ac_srcdir$ac_src -o $ac_bdir$ac_obj.$b_lo $b_cxx_post" ;; esac dnl Generate Makefiles with dependencies ac_comp="$ac_comp -MMD -MF $ac_bdir$ac_obj.dep -MT $ac_bdir[$]ac_obj.lo" dnl Create a rule for the object/source combo. cat >>Makefile.objects<<EOF -include $ac_bdir[$]ac_obj.dep $ac_bdir[$]ac_obj.lo: $ac_srcdir[$]ac_src $ac_comp EOF done ]) dnl ---------------------------------------------------------------------------- dnl Compiler characteristics checks. dnl ---------------------------------------------------------------------------- dnl dnl PHP_RUNPATH_SWITCH dnl dnl Checks for -R, etc. switch. dnl AC_DEFUN([PHP_RUNPATH_SWITCH],[ AC_CACHE_CHECK([if compiler supports -Wl,-rpath,], [php_cv_cc_rpath], [ SAVE_LIBS=$LIBS LIBS="-Wl,-rpath,/usr/$PHP_LIBDIR $LIBS" AC_LINK_IFELSE([AC_LANG_PROGRAM()], [php_cv_cc_rpath=yes], [php_cv_cc_rpath=no]) LIBS=$SAVE_LIBS ]) AS_VAR_IF([php_cv_cc_rpath], [yes], [ld_runpath_switch=-Wl,-rpath,], [AC_CACHE_CHECK([if compiler supports -R], [php_cv_cc_dashr], [ SAVE_LIBS=$LIBS LIBS="-R /usr/$PHP_LIBDIR $LIBS" AC_LINK_IFELSE([AC_LANG_PROGRAM()], [php_cv_cc_dashr=yes], [php_cv_cc_dashr=no]) LIBS=$SAVE_LIBS ]) AS_VAR_IF([php_cv_cc_dashr], [yes], [ld_runpath_switch=-R], [ld_runpath_switch=-L]) ]) AS_VAR_IF([PHP_RPATH], [no], [ld_runpath_switch=]) ]) dnl dnl PHP_LIBGCC_LIBPATH(gcc) dnl dnl Stores the location of libgcc in libgcc_libpath. dnl AC_DEFUN([PHP_LIBGCC_LIBPATH],[ changequote({,}) libgcc_libpath=$($1 --print-libgcc-file-name|$SED 's%/*[^/][^/]*$%%') changequote([,]) ]) dnl ---------------------------------------------------------------------------- dnl Macros to modify LIBS, INCLUDES, etc. variables. dnl ---------------------------------------------------------------------------- dnl dnl PHP_REMOVE_USR_LIB(NAME) dnl dnl Removes all -L/usr/$PHP_LIBDIR entries from variable NAME. dnl AC_DEFUN([PHP_REMOVE_USR_LIB],[ unset ac_new_flags for i in [$]$1; do case [$]i in -L/usr/$PHP_LIBDIR|-L/usr/$PHP_LIBDIR/[)] ;; *[)] ac_new_flags="[$]ac_new_flags [$]i" ;; esac done $1=[$]ac_new_flags ]) dnl dnl PHP_EVAL_LIBLINE(libline, [libs-variable], [not-extension]) dnl dnl Use this macro to add libraries and/or library search paths to the PHP build dnl system when specified in compiler notation. Libraries (-l) are appended dnl either to the global Autoconf LIBS variable or to the specified dnl "libs-variable" (e.g., *_SHARED_LIBADD) when the extension is shared dnl (ext_shared=yes). If "not-extension" is set to a non-blank value, the dnl libraries are appended to "libs-variable" unconditionally (this is dnl particularly useful when working with SAPIs). The -L flags are appended to dnl the LDFLAGS. dnl AC_DEFUN([PHP_EVAL_LIBLINE], [m4_ifnblank([$3], [m4_ifblank([$2], [m4_warn([syntax], [Missing 2nd argument when skipping extension check])], [_php_ext_shared_saved=$ext_shared; ext_shared=yes])]) for ac_i in $1; do AS_CASE([$ac_i], [-pthread], [ AS_VAR_IF([ext_shared], [yes], [$2="$$2 -pthread"], [ PHP_RUN_ONCE([EXTRA_LDFLAGS], [$ac_i], [EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ac_i"]) PHP_RUN_ONCE([EXTRA_LDFLAGS_PROGRAM], [$ac_i], [EXTRA_LDFLAGS_PROGRAM="$EXTRA_LDFLAGS_PROGRAM $ac_i"]) ]) ], [-l*], [ ac_ii=$(echo $ac_i|cut -c 3-) PHP_ADD_LIBRARY([$ac_ii], [yes], [$2]) ], [-L*], [ ac_ii=$(echo $ac_i|cut -c 3-) PHP_ADD_LIBPATH([$ac_ii], [$2]) ]) done m4_ifnblank([$3], [m4_ifnblank([$2], [ext_shared=$_php_ext_shared_saved])])[]dnl ]) dnl dnl PHP_EVAL_INCLINE(headerline) dnl dnl Use this macro, if you need to add header search paths to the PHP build dnl system which are only given in compiler notation. dnl AC_DEFUN([PHP_EVAL_INCLINE],[ for ac_i in $1; do case $ac_i in -I*[)] ac_ii=$(echo $ac_i|cut -c 3-) PHP_ADD_INCLUDE([$ac_ii]) ;; esac done ]) dnl dnl _PHP_ADD_LIBPATH_GLOBAL(variable) dnl dnl Internal, don't use. dnl AC_DEFUN([_PHP_ADD_LIBPATH_GLOBAL],[ PHP_RUN_ONCE(LIBPATH, $1, [ test -n "$ld_runpath_switch" && LDFLAGS="$LDFLAGS $ld_runpath_switch$1" LDFLAGS="$LDFLAGS -L$1" PHP_RPATHS="$PHP_RPATHS $1" ]) ]) dnl dnl PHP_ADD_LIBPATH(path [, SHARED-LIBADD]) dnl dnl Adds a path to linkpath/runpath (LDFLAGS). dnl AC_DEFUN([PHP_ADD_LIBPATH],[ if test "$1" != "/usr/$PHP_LIBDIR" && test "$1" != "/usr/lib"; then PHP_EXPAND_PATH($1, ai_p) ifelse([$2],,[ _PHP_ADD_LIBPATH_GLOBAL([$ai_p]) ],[ if test "$ext_shared" = "yes"; then $2="-L$ai_p [$]$2" test -n "$ld_runpath_switch" && $2="$ld_runpath_switch$ai_p [$]$2" else _PHP_ADD_LIBPATH_GLOBAL([$ai_p]) fi ]) fi ]) dnl dnl PHP_UTILIZE_RPATHS() dnl dnl Builds RPATHS/LDFLAGS from PHP_RPATHS. dnl AC_DEFUN([PHP_UTILIZE_RPATHS],[ OLD_RPATHS=$PHP_RPATHS unset PHP_RPATHS for i in $OLD_RPATHS; do dnl Can be passed to native cc/libtool PHP_LDFLAGS="$PHP_LDFLAGS -L$i" dnl Libtool-specific PHP_RPATHS="$PHP_RPATHS -R $i" dnl cc-specific NATIVE_RPATHS="$NATIVE_RPATHS $ld_runpath_switch$i" done AS_VAR_IF([PHP_RPATH], [no], [ unset PHP_RPATHS unset NATIVE_RPATHS ]) ]) dnl dnl PHP_ADD_INCLUDE(paths [,prepend]) dnl dnl Add blank-or-newline-separated list of include paths. If "prepend" is given, dnl paths are prepended to the beginning of INCLUDES. dnl AC_DEFUN([PHP_ADD_INCLUDE], [ for include_path in m4_normalize(m4_expand([$1])); do AS_IF([test "$include_path" != "/usr/include"], [ PHP_EXPAND_PATH([$include_path], [ai_p]) PHP_RUN_ONCE([INCLUDEPATH], [$ai_p], [m4_ifnblank([$2], [INCLUDES="-I$ai_p $INCLUDES"], [INCLUDES="$INCLUDES -I$ai_p"])]) ]) done ]) dnl dnl _PHP_X_ADD_LIBRARY dnl dnl Internal, don't use. dnl AC_DEFUN([_PHP_X_ADD_LIBRARY],[dnl ifelse([$2],,$3="-l$1 [$]$3", $3="[$]$3 -l$1") dnl ]) dnl dnl _PHP_ADD_LIBRARY_SKELETON dnl dnl Internal, don't use. dnl AC_DEFUN([_PHP_ADD_LIBRARY_SKELETON],[ case $1 in c|c_r[)] ;; *[)] ifelse($3,,[ _PHP_X_ADD_LIBRARY($1,$2,$5) ],[ if test "$ext_shared" = "yes"; then _PHP_X_ADD_LIBRARY($1,$2,$3) else $4($1,$2) fi ]) ;; esac ]) dnl dnl PHP_ADD_LIBRARY(library[, append[, shared-libadd]]) dnl dnl Add a library to the link line. dnl AC_DEFUN([PHP_ADD_LIBRARY],[ _PHP_ADD_LIBRARY_SKELETON([$1],[$2],[$3],[PHP_ADD_LIBRARY],[LIBS]) ]) dnl dnl PHP_ADD_LIBRARY_DEFER(library[, append[, shared-libadd]]) dnl dnl Add a library to the link line (deferred, not used during configure). dnl AC_DEFUN([PHP_ADD_LIBRARY_DEFER],[ _PHP_ADD_LIBRARY_SKELETON([$1],[$2],[$3],[PHP_ADD_LIBRARY_DEFER],[DLIBS]) ]) dnl dnl PHP_ADD_LIBRARY_WITH_PATH(library, path[, shared-libadd]) dnl dnl Add a library to the link line and path to linkpath/runpath. If dnl shared-libadd is not empty and $ext_shared is yes, shared-libadd will be dnl assigned the library information. dnl AC_DEFUN([PHP_ADD_LIBRARY_WITH_PATH],[ ifelse($3,,[ if test -n "$2"; then PHP_ADD_LIBPATH($2) fi PHP_ADD_LIBRARY($1) ],[ if test "$ext_shared" = "yes"; then $3="-l$1 [$]$3" if test -n "$2"; then PHP_ADD_LIBPATH($2,$3) fi else PHP_ADD_LIBRARY_WITH_PATH($1,$2) fi ]) ]) dnl dnl PHP_ADD_LIBRARY_DEFER_WITH_PATH(library, path[, shared-libadd]) dnl dnl Add a library to the link line (deferred) and path to linkpath/runpath (not dnl deferred). If shared-libadd is not empty and $ext_shared is yes, dnl shared-libadd will be assigned the library information. dnl AC_DEFUN([PHP_ADD_LIBRARY_DEFER_WITH_PATH],[ ifelse($3,,[ if test -n "$2"; then PHP_ADD_LIBPATH($2) fi PHP_ADD_LIBRARY_DEFER($1) ],[ if test "$ext_shared" = "yes"; then $3="-l$1 [$]$3" if test -n "$2"; then PHP_ADD_LIBPATH($2,$3) fi else PHP_ADD_LIBRARY_DEFER_WITH_PATH($1,$2) fi ]) ]) dnl dnl PHP_ADD_FRAMEWORK(framework [,before]) dnl dnl Add a (Darwin / Mac OS X) framework to the link line. If before is 1, the dnl framework is added to the beginning of the line. dnl AC_DEFUN([PHP_ADD_FRAMEWORK], [ PHP_RUN_ONCE(FRAMEWORKS, $1, [ if test "$2"; then PHP_FRAMEWORKS="-framework $1 $PHP_FRAMEWORKS" else PHP_FRAMEWORKS="$PHP_FRAMEWORKS -framework $1" fi ]) ]) dnl dnl PHP_ADD_FRAMEWORKPATH(path [,before]) dnl dnl Add a (Darwin / Mac OS X) framework path to the link and include lines. dnl Default paths include (but are not limited to) /Local/Library/Frameworks and dnl /System/Library/Frameworks, so these don't need to be specifically added. If dnl before is 1, the framework path is added to the beginning of the relevant dnl lines. dnl AC_DEFUN([PHP_ADD_FRAMEWORKPATH], [ PHP_EXPAND_PATH($1, ai_p) PHP_RUN_ONCE(FRAMEWORKPATH, $ai_p, [ if test "$2"; then PHP_FRAMEWORKPATH="-F$ai_p $PHP_FRAMEWORKPATH" else PHP_FRAMEWORKPATH="$PHP_FRAMEWORKPATH -F$ai_p" fi ]) ]) dnl dnl PHP_ADD_FRAMEWORK_WITH_PATH(framework, path) dnl dnl Adds a (Darwin / Mac OS X) framework path and the framework itself to the dnl link and include lines. dnl AC_DEFUN([PHP_ADD_FRAMEWORK_WITH_PATH], [ PHP_ADD_FRAMEWORKPATH($2) PHP_ADD_FRAMEWORK($1) ]) dnl dnl PHP_SET_LIBTOOL_VARIABLE(var) dnl dnl Set libtool variable. dnl AC_DEFUN([PHP_SET_LIBTOOL_VARIABLE], [ AS_VAR_IF([LIBTOOL],, [LIBTOOL='$(SHELL) $(top_builddir)/libtool $1'], [LIBTOOL="$LIBTOOL $1"]) ]) dnl ---------------------------------------------------------------------------- dnl Wrapper macros for AC_ARG_WITH / AC_ARG_ENABLE dnl ---------------------------------------------------------------------------- dnl dnl PHP_ARG_ANALYZE_EX dnl dnl Internal. dnl AC_DEFUN([PHP_ARG_ANALYZE_EX],[ ext_output="yes, shared" ext_shared=yes case [$]$1 in shared,*[)] $1=$(echo "[$]$1"|$SED 's/^shared,//') ;; shared[)] $1=yes ;; no[)] ext_output=no ext_shared=no ;; *[)] ext_output=yes ext_shared=no ;; esac dnl When using phpize, automatically enable and build extension as shared. m4_ifdef([PHP_ALWAYS_SHARED], [PHP_ALWAYS_SHARED([$1])]) ]) dnl dnl PHP_ARG_ANALYZE dnl dnl Internal. dnl AC_DEFUN([PHP_ARG_ANALYZE],[ ifelse([$3],yes,[PHP_ARG_ANALYZE_EX([$1])],[ext_output=ifelse([$]$1,,no,[$]$1)]) ifelse([$2],,,[AC_MSG_RESULT([$ext_output])]) ]) dnl dnl PHP_ARG_WITH(arg-name, check message, help text[, default-val[, extension-or-not]]) dnl dnl Sets PHP_ARG_NAME either to the user value or to the default value. dnl default-val defaults to no. This will also set the variable ext_shared, and dnl will overwrite any previous variable of that name. If extension-or-not is dnl yes (default), then do the ENABLE_ALL check and run the PHP_ARG_ANALYZE_EX. dnl AC_DEFUN([PHP_ARG_WITH],[ php_with_[]translit($1,A-Z0-9-,a-z0-9_)=ifelse($4,,no,$4) PHP_REAL_ARG_WITH([$1],[$2],[$3],[$4],PHP_[]translit($1,a-z0-9-,A-Z0-9_),[ifelse($5,,yes,$5)]) ]) dnl dnl PHP_REAL_ARG_WITH dnl dnl Internal. dnl AC_DEFUN([PHP_REAL_ARG_WITH],[ ifelse([$2],,,[AC_MSG_CHECKING([$2])]) AC_ARG_WITH($1,[$3],$5=[$]withval, [ $5=ifelse($4,,no,$4) ifelse($6,yes,[test "$PHP_ENABLE_ALL" && $5=$PHP_ENABLE_ALL]) ]) PHP_ARG_ANALYZE($5,[$2],$6) ]) dnl dnl PHP_ARG_ENABLE(arg-name, check message, help text[, default-val[, extension-or-not]]) dnl dnl Sets PHP_ARG_NAME either to the user value or to the default value. dnl default-val defaults to no. This will also set the variable ext_shared, and dnl will overwrite any previous variable of that name. If extension-or-not is dnl yes (default), then do the ENABLE_ALL check and run the PHP_ARG_ANALYZE_EX. dnl AC_DEFUN([PHP_ARG_ENABLE],[ php_enable_[]translit($1,A-Z0-9-,a-z0-9_)=ifelse($4,,no,$4) PHP_REAL_ARG_ENABLE([$1],[$2],[$3],[$4],PHP_[]translit($1,a-z0-9-,A-Z0-9_),[ifelse($5,,yes,$5)]) ]) dnl dnl PHP_REAL_ARG_ENABLE dnl dnl Internal. dnl AC_DEFUN([PHP_REAL_ARG_ENABLE],[ ifelse([$2],,,[AC_MSG_CHECKING([$2])]) AC_ARG_ENABLE($1,[$3],$5=[$]enableval, [ $5=ifelse($4,,no,$4) ifelse($6,yes,[test "$PHP_ENABLE_ALL" && $5=$PHP_ENABLE_ALL]) ]) PHP_ARG_ANALYZE($5,[$2],$6) ]) dnl ---------------------------------------------------------------------------- dnl Build macros dnl ---------------------------------------------------------------------------- dnl dnl PHP_REQUIRE_CXX dnl AC_DEFUN([PHP_REQUIRE_CXX], [ AS_VAR_IF([php_cxx_done],, [ AC_PROG_CXX AC_PROG_CXXCPP PHP_ADD_LIBRARY([stdc++]) php_cxx_done=yes ]) ]) dnl dnl PHP_BUILD_SHARED dnl AC_DEFUN([PHP_BUILD_SHARED],[ PHP_BUILD_PROGRAM OVERALL_TARGET=libphp.la php_sapi_module=shared php_c_pre=$shared_c_pre php_c_meta=$shared_c_meta php_c_post=$shared_c_post php_cxx_pre=$shared_cxx_pre php_cxx_meta=$shared_cxx_meta php_cxx_post=$shared_cxx_post php_lo=$shared_lo ]) dnl dnl PHP_BUILD_SHARED_DYLIB dnl AC_DEFUN([PHP_BUILD_SHARED_DYLIB],[ PHP_BUILD_SHARED OVERALL_TARGET=libphp.dylib ]) dnl dnl PHP_BUILD_STATIC dnl AC_DEFUN([PHP_BUILD_STATIC],[ PHP_BUILD_PROGRAM OVERALL_TARGET=libphp.la php_sapi_module=static ]) dnl dnl PHP_BUILD_BUNDLE dnl AC_DEFUN([PHP_BUILD_BUNDLE],[ PHP_BUILD_PROGRAM OVERALL_TARGET=libs/libphp.bundle php_sapi_module=static ]) dnl dnl PHP_BUILD_PROGRAM dnl AC_DEFUN([PHP_BUILD_PROGRAM],[ php_c_pre='$(LIBTOOL) --tag=CC --mode=compile $(CC)' php_c_meta='$(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS)' php_c_post= php_cxx_pre='$(LIBTOOL) --tag=CXX --mode=compile $(CXX)' php_cxx_meta='$(COMMON_FLAGS) $(CXXFLAGS_CLEAN) $(EXTRA_CXXFLAGS)' php_cxx_post= php_lo=lo case $with_pic in yes) pic_setting='-prefer-pic';; no) pic_setting='-prefer-non-pic';; esac shared_c_pre='$(LIBTOOL) --tag=CC --mode=compile $(CC)' shared_c_meta='$(COMMON_FLAGS) $(CFLAGS_CLEAN) $(EXTRA_CFLAGS) '$pic_setting shared_c_post= shared_cxx_pre='$(LIBTOOL) --tag=CXX --mode=compile $(CXX)' shared_cxx_meta='$(COMMON_FLAGS) $(CXXFLAGS_CLEAN) $(EXTRA_CXXFLAGS) '$pic_setting shared_cxx_post= shared_lo=lo ]) dnl dnl PHP_SHARED_MODULE(module-name, object-var, build-dir, cxx, zend_ext) dnl dnl Basically sets up the link-stage for building module-name from object_var in dnl build-dir. dnl AC_DEFUN([PHP_SHARED_MODULE],[ install_modules="install-modules" suffix=la AS_CASE([$host_alias], [*aix*], [additional_flags="-Wl,-G"]) if test "x$5" = "xyes"; then PHP_ZEND_EX="$PHP_ZEND_EX \$(phplibdir)/$1.$suffix" else PHP_MODULES="$PHP_MODULES \$(phplibdir)/$1.$suffix" fi PHP_SUBST([$2]) cat >>Makefile.objects<<EOF \$(phplibdir)/$1.$suffix: $3/$1.$suffix \$(LIBTOOL) --tag=ifelse($4,,CC,CXX) --mode=install cp $3/$1.$suffix \$(phplibdir) $3/$1.$suffix: \$($2) \$(translit($1,a-z_-,A-Z__)_SHARED_DEPENDENCIES) \$(LIBTOOL) --tag=ifelse($4,,CC,CXX) --mode=link ifelse($4,,[\$(CC)],[\$(CXX)]) -shared \$(COMMON_FLAGS) \$(CFLAGS_CLEAN) \$(EXTRA_CFLAGS) \$(LDFLAGS) $additional_flags -o [\$]@ -export-dynamic -avoid-version -prefer-pic -module -rpath \$(phplibdir) \$(EXTRA_LDFLAGS) \$($2) \$(translit($1,a-z_-,A-Z__)_SHARED_LIBADD) EOF ]) dnl dnl PHP_SELECT_SAPI(name, type[, sources [, extra-cflags]]) dnl dnl When developing PHP SAPI modules, this macro specifies the SAPI "name" by dnl its "type", how PHP is supposed to be built (static, shared, bundle, or dnl program). It optionally adds the blank-or-newline-separated source files dnl "sources" and compilation flags "extra-cflags" to build the SAPI-specific dnl objects. For example: dnl PHP_SELECT_SAPI([apache2handler], dnl [shared], dnl [<sources...>], dnl [-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1]) dnl AC_DEFUN([PHP_SELECT_SAPI],[ if test "$2" = "program"; then PHP_BINARIES="$PHP_BINARIES $1" elif test "$PHP_SAPI" != "none"; then AC_MSG_ERROR([ +--------------------------------------------------------------------+ | *** ATTENTION *** | | | | You've configured multiple SAPIs to be built. You can build only | | one SAPI module plus CGI, CLI and FPM binaries at the same time. | +--------------------------------------------------------------------+ ]) else PHP_SAPI=$1 fi PHP_ADD_BUILD_DIR([sapi/$1]) PHP_INSTALLED_SAPIS="$PHP_INSTALLED_SAPIS $1" ifelse($2,program,[ PHP_BUILD_PROGRAM install_binaries="install-binaries" install_binary_targets="$install_binary_targets install-$1" PHP_SUBST(PHP_[]translit($1,a-z0-9-,A-Z0-9_)[]_OBJS) ifelse($3,,,[PHP_ADD_SOURCES_X([sapi/$1],[$3],[$4],PHP_[]translit($1,a-z0-9-,A-Z0-9_)[]_OBJS)]) ],[ case "$2" in static[)] PHP_BUILD_STATIC;; shared[)] PHP_BUILD_SHARED;; shared-dylib[)] PHP_BUILD_SHARED_DYLIB;; bundle[)] PHP_BUILD_BUNDLE;; esac install_sapi="install-sapi" ifelse($3,,,[PHP_ADD_SOURCES([sapi/$1],[$3],[$4],[sapi])]) ]) ]) dnl dnl PHP_ADD_BUILD_DIR(dirs [, create]) dnl dnl Add blank-or-newline-separated list of build directories or directories dnl required for the out-of-source builds. When "create" is given, the provided dnl "dirs" are created immediately upon macro invocation, instead of deferring dnl them to the PHP_GEN_BUILD_DIRS. dnl AC_DEFUN([PHP_ADD_BUILD_DIR], [m4_ifblank([$2], [AS_VAR_APPEND([BUILD_DIR], [" m4_normalize(m4_expand([$1]))"])], [$php_shtool mkdir -p m4_normalize(m4_expand([$1]))]) ]) dnl dnl PHP_GEN_BUILD_DIRS dnl AC_DEFUN([PHP_GEN_BUILD_DIRS],[ AC_MSG_NOTICE([creating build directories]) $php_shtool mkdir -p $BUILD_DIR ]) dnl dnl PHP_NEW_EXTENSION(extname, sources [, shared [, sapi_class [, extra-cflags [, cxx [, zend_ext]]]]]) dnl dnl Includes an extension in the build. dnl dnl "extname" is the name of the extension. dnl "sources" is a blank-or-newline-separated list of source files relative to dnl the subdir which are used to build the extension. dnl "shared" can be set to "shared" or "yes" to build the extension as a dnl dynamically loadable library. Optional parameter "sapi_class" can be set to dnl "cli" to mark extension build only with CLI or CGI sapi's. "extra-cflags" dnl are passed to the compiler, with @ext_srcdir@ and @ext_builddir@ being dnl substituted. dnl "cxx" can be used to indicate that a C++ shared module is desired. dnl "zend_ext" indicates a zend extension. AC_DEFUN([PHP_NEW_EXTENSION],[ ext_builddir=[]PHP_EXT_BUILDDIR() ext_srcdir=[]PHP_EXT_SRCDIR() ext_dir=[]PHP_EXT_DIR() ifelse($5,,ac_extra=,[ac_extra=$(echo "m4_normalize(m4_expand([$5]))"|$SED s#@ext_srcdir@#$ext_srcdir#g|$SED s#@ext_builddir@#$ext_builddir#g)]) if test "$3" != "shared" && test "$3" != "yes" && test "$4" != "cli"; then dnl ---------------------------------------------- Static module [PHP_]translit($1,a-z_-,A-Z__)[_SHARED]=no PHP_ADD_SOURCES($ext_dir,$2,$ac_extra,) EXT_STATIC="$EXT_STATIC $1;$ext_dir" if test "$3" != "nocli"; then EXT_CLI_STATIC="$EXT_CLI_STATIC $1;$ext_dir" fi else if test "$3" = "shared" || test "$3" = "yes"; then dnl ---------------------------------------------- Shared module [PHP_]translit($1,a-z_-,A-Z__)[_SHARED]=yes PHP_ADD_SOURCES_X($ext_dir,$2,$ac_extra -DZEND_COMPILE_DL_EXT=1,shared_objects_$1,yes) PHP_SHARED_MODULE($1,shared_objects_$1, $ext_builddir, $6, $7) AC_DEFINE_UNQUOTED([COMPILE_DL_]translit($1,a-z_-,A-Z__), [1], [Define to 1 if the PHP extension '$1' is built as a dynamic module.]) fi fi if test "$3" != "shared" && test "$3" != "yes" && test "$4" = "cli"; then dnl ---------------------------------------------- CLI static module [PHP_]translit($1,a-z_-,A-Z__)[_SHARED]=no case "$PHP_SAPI" in cgi|embed|phpdbg[)] PHP_ADD_SOURCES($ext_dir,$2,$ac_extra,) EXT_STATIC="$EXT_STATIC $1;$ext_dir" ;; *[)] PHP_ADD_SOURCES($ext_dir,$2,$ac_extra,cli) ;; esac EXT_CLI_STATIC="$EXT_CLI_STATIC $1;$ext_dir" fi PHP_ADD_BUILD_DIR([$ext_builddir]) dnl Set for phpize builds only. dnl --------------------------- if test "$ext_builddir" = "."; then PHP_PECL_EXTENSION=$1 PHP_SUBST([PHP_PECL_EXTENSION]) fi ]) dnl dnl PHP_ADD_EXTENSION_DEP(extname, depends [, depconf]) dnl dnl This macro is scanned by genif.sh when it builds the internal functions dnl list, so that modules can be init'd in the correct order dnl $1 = name of extension, $2 = extension upon which it depends dnl $3 = optional: if true, it's ok for $2 to have not been configured default dnl is false and should halt the build. To be effective, this macro must be dnl invoked *after* PHP_NEW_EXTENSION. The extension on which it depends must dnl also have been configured. Due to the limited genif.sh parsing and regex dnl matching implementation, this macro must be called on its own line, and its dnl arguments must be passed unquoted (without Autoconf '[' and ']' characters. dnl For Windows, see 'ADD_EXTENSION_DEP' in the win32 build. dnl AC_DEFUN([PHP_ADD_EXTENSION_DEP], [ am_i_shared=$[PHP_]translit($1,a-z_-,A-Z__)[_SHARED] is_it_shared=$[PHP_]translit($2,a-z_-,A-Z__)[_SHARED] is_it_enabled=$[PHP_]translit($2,a-z_-,A-Z__) if test "$am_i_shared" = "no" && test "$is_it_shared" = "yes" ; then AC_MSG_ERROR([ You've configured extension $1 to build statically, but it depends on extension $2, which you've configured to build shared. You either need to build $1 shared or build $2 statically for the build to be successful. ]) fi if test "x$is_it_enabled" = "xno" && test "x$3" != "xtrue"; then AC_MSG_ERROR([ You've configured extension $1, which depends on extension $2, but you've either not enabled $2, or have disabled it. ]) fi dnl Some systems require that we link $2 to $1 when building. ]) dnl ---------------------------------------------------------------------------- dnl Checks for structures, typedefs, broken functions, etc. dnl ---------------------------------------------------------------------------- dnl dnl _PHP_CHECK_SIZEOF(type, cross-value, extra-headers [, found-action [, not-found-action]]) dnl dnl Internal helper macro. dnl AC_DEFUN([_PHP_CHECK_SIZEOF], [m4_warn([obsolete], [The PHP_CHECK_SIZEOF macro is obsolete. Use AC_CHECK_SIZEOF.]) php_cache_value=php_cv_sizeof_[]$1 AC_CACHE_VAL(php_cv_sizeof_[]$1, [ old_LIBS=$LIBS LIBS= old_LDFLAGS=$LDFLAGS LDFLAGS= AC_RUN_IFELSE([AC_LANG_SOURCE([#include <stdio.h> #include <stdlib.h> #include <stddef.h> #include <inttypes.h> #ifdef HAVE_UNISTD_H #include <unistd.h> #endif $3 int main(void) { FILE *fp = fopen("conftestval", "w"); if (!fp) return(1); fprintf(fp, "%d\n", sizeof($1)); return(0); } ])], [ eval $php_cache_value=$(cat conftestval) ], [ eval $php_cache_value=0 ], [ ifelse([$2],,[eval $php_cache_value=0], [eval $php_cache_value=$2]) ]) LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS ]) if eval test "\$$php_cache_value" != "0"; then ifelse([$4],[],:,[$4]) ifelse([$5],[],,[else $5]) fi ]) dnl dnl PHP_CHECK_SIZEOF(type, cross-value, extra-headers) dnl dnl Checks the size of specified "type". This macro is obsolete as of PHP 8.5 in dnl favor of the AC_CHECK_SIZEOF. dnl AC_DEFUN([PHP_CHECK_SIZEOF], [ AC_MSG_CHECKING([size of $1]) _PHP_CHECK_SIZEOF($1, $2, $3, [ AC_DEFINE_UNQUOTED([SIZEOF_]translit($1,a-z,A-Z_), [$]php_cv_sizeof_[]$1, [The size of '$1', as computed by sizeof.]) AC_DEFINE_UNQUOTED([HAVE_]translit($1,a-z,A-Z_), [1], [Define to 1 if the system has the type '$1'.]) ]) AC_MSG_RESULT([[$][php_cv_sizeof_]translit($1, ,_)]) ]) dnl dnl PHP_TIME_R_TYPE dnl dnl Check type of reentrant time-related functions. Type can be: irix, hpux or dnl POSIX. dnl AC_DEFUN([PHP_TIME_R_TYPE], [AC_CACHE_CHECK([for type of reentrant time-related functions], [php_cv_time_r_type], [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <time.h> int main(void) { char buf[27]; struct tm t; time_t old = 0; int r, s; s = gmtime_r(&old, &t); r = (int) asctime_r(&t, buf, 26); if (r == s && s == 0) return (0); return (1); } ]])], [php_cv_time_r_type=hpux], [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <time.h> int main(void) { struct tm t, *s; time_t old = 0; char buf[27], *p; s = gmtime_r(&old, &t); p = asctime_r(&t, buf, 26); if (p == buf && s == &t) return (0); return (1); } ]])], [php_cv_time_r_type=irix], [php_cv_time_r_type=POSIX], [php_cv_time_r_type=POSIX])], [php_cv_time_r_type=POSIX]) ]) AS_CASE([$php_cv_time_r_type], [hpux], [AC_DEFINE([PHP_HPUX_TIME_R], [1], [Define to 1 if you have HP-UX 10.x.-style reentrant time functions.])], [irix], [AC_DEFINE([PHP_IRIX_TIME_R], [1], [Define to 1 you have IRIX-style reentrant time functions.])]) ]) dnl dnl PHP_DOES_PWRITE_WORK dnl dnl Internal. dnl AC_DEFUN([PHP_DOES_PWRITE_WORK], [ AC_RUN_IFELSE([AC_LANG_SOURCE([ #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include <errno.h> #include <stdlib.h> $1 int main(void) { int fd = open("conftest_pwrite", O_WRONLY|O_CREAT, 0600); if (fd < 0) return 1; if (pwrite(fd, "text", 4, 0) != 4) return 1; /* Linux glibc breakage until 2.2.5 */ if (pwrite(fd, "text", 4, -1) != -1 || errno != EINVAL) return 1; return 0; } ])], [php_cv_func_pwrite=yes], [php_cv_func_pwrite=no], [php_cv_func_pwrite=no]) ]) dnl dnl PHP_DOES_PREAD_WORK dnl dnl Internal. dnl AC_DEFUN([PHP_DOES_PREAD_WORK], [ echo test > conftest_pread AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include <errno.h> #include <stdlib.h> $1 int main(void) { char buf[3]; int fd = open("conftest_pread", O_RDONLY); if (fd < 0) return 1; if (pread(fd, buf, 2, 0) != 2) return 1; /* Linux glibc breakage until 2.2.5 */ if (pread(fd, buf, 2, -1) != -1 || errno != EINVAL) return 1; return 0; } ]])], [php_cv_func_pread=yes], [php_cv_func_pread=no], [php_cv_func_pread=no]) ]) dnl dnl PHP_PWRITE_TEST dnl AC_DEFUN([PHP_PWRITE_TEST], [ AC_CACHE_CHECK([whether pwrite works], [php_cv_func_pwrite], [ PHP_DOES_PWRITE_WORK AS_VAR_IF([php_cv_func_pwrite], [no], [ PHP_DOES_PWRITE_WORK([ssize_t pwrite(int, void *, size_t, off64_t);]) AS_VAR_IF([php_cv_func_pwrite], [yes], [php_cv_func_pwrite=64]) ]) ]) AS_VAR_IF([php_cv_func_pwrite], [no],, [ AC_DEFINE([HAVE_PWRITE], [1], [Define to 1 if you have the 'pwrite' function.]) AS_VAR_IF([php_cv_func_pwrite], [64], [AC_DEFINE([PHP_PWRITE_64], [1], [Define to 1 if 'pwrite' declaration with 'off64_t' is missing.])]) ]) ]) dnl dnl PHP_PREAD_TEST dnl AC_DEFUN([PHP_PREAD_TEST], [ AC_CACHE_CHECK([whether pread works], [php_cv_func_pread], [ PHP_DOES_PREAD_WORK AS_VAR_IF([php_cv_func_pread], [no], [ PHP_DOES_PREAD_WORK([ssize_t pread(int, void *, size_t, off64_t);]) AS_VAR_IF([php_cv_func_pread], [yes], [php_cv_func_pread=64]) ]) ]) AS_VAR_IF([php_cv_func_pread], [no],, [ AC_DEFINE([HAVE_PREAD], [1], [Define to 1 if you have the 'pread' function.]) AS_VAR_IF([php_cv_func_pread], [64], [AC_DEFINE([PHP_PREAD_64], [1], [Define to 1 if 'pread' declaration with 'off64_t' is missing.])]) ]) ]) dnl dnl PHP_MISSING_TIME_R_DECL dnl AC_DEFUN([PHP_MISSING_TIME_R_DECL],[ AC_CHECK_DECL([localtime_r],, [AC_DEFINE([MISSING_LOCALTIME_R_DECL], [1], [Define to 1 if 'localtime_r' declaration is missing.])], [#include <time.h>]) AC_CHECK_DECL([gmtime_r],, [AC_DEFINE([MISSING_GMTIME_R_DECL], [1], [Define to 1 if 'gmtime_r' declaration is missing.])], [#include <time.h>]) AC_CHECK_DECL([asctime_r],, [AC_DEFINE([MISSING_ASCTIME_R_DECL], [1], [Define to 1 if 'asctime_r' declaration is missing.])], [#include <time.h>]) AC_CHECK_DECL([ctime_r],, [AC_DEFINE([MISSING_CTIME_R_DECL], [1], [Define to 1 if 'ctime_r' declaration is missing.])], [#include <time.h>]) AC_CHECK_DECL([strtok_r],, [AC_DEFINE([MISSING_STRTOK_R_DECL], [1], [Define to 1 if 'strtok_r' declaration is missing.])], [#include <string.h>]) ]) dnl dnl PHP_EBCDIC dnl AC_DEFUN([PHP_EBCDIC], [AC_CACHE_CHECK([whether system uses EBCDIC], [ac_cv_ebcdic], [AC_RUN_IFELSE([AC_LANG_SOURCE([ int main(void) { return (unsigned char)'A' != (unsigned char)0xC1; } ])], [ac_cv_ebcdic=yes], [ac_cv_ebcdic=no], [ac_cv_ebcdic=no])]) AS_VAR_IF([ac_cv_ebcdic], [yes], [AC_MSG_FAILURE([PHP does not support EBCDIC targets.])]) ]) dnl dnl PHP_BROKEN_GETCWD dnl dnl Some systems, notably Solaris, cause getcwd() or realpath to fail if a dnl component of the path has execute but not read permissions. dnl AC_DEFUN([PHP_BROKEN_GETCWD], [ AC_CACHE_CHECK([for broken getcwd], [php_cv_func_getcwd_broken], [AS_CASE([$host_alias], [*solaris*], [php_cv_func_getcwd_broken=yes], [php_cv_func_getcwd_broken=no])]) AS_VAR_IF([php_cv_func_getcwd_broken], [yes], [AC_DEFINE([HAVE_BROKEN_GETCWD], [1], [Define to 1 if system has a broken 'getcwd'.])]) ]) dnl dnl PHP_BROKEN_GCC_STRLEN_OPT dnl dnl Early releases of GCC 8 shipped with a strlen() optimization bug, so they dnl didn't properly handle the 'char val[1]' struct hack. See bug #76510. dnl AC_DEFUN([PHP_BROKEN_GCC_STRLEN_OPT], [AC_CACHE_CHECK([for broken gcc optimize-strlen], [php_cv_have_broken_gcc_strlen_opt], [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <stdlib.h> #include <string.h> #include <stdio.h> struct s { int i; char c[1]; }; int main(void) { struct s *s = malloc(sizeof(struct s) + 3); s->i = 3; strcpy(s->c, "foo"); return strlen(s->c+1) == 2; } ]])], [php_cv_have_broken_gcc_strlen_opt=yes], [php_cv_have_broken_gcc_strlen_opt=no], [php_cv_have_broken_gcc_strlen_opt=no])]) AS_VAR_IF([php_cv_have_broken_gcc_strlen_opt], [yes], [AS_VAR_APPEND([CFLAGS], [" -fno-optimize-strlen"])]) ]) dnl dnl PHP_FOPENCOOKIE dnl dnl Check for cookie_io_functions_t type and fopencookie(). When using glibc, dnl checks here require _GNU_SOURCE defined via AC_USE_SYSTEM_EXTENSIONS. Some dnl glibc versions started using the off64_t in fopencookie seeker definition, dnl which is in transition to use the POSIX standard off_t on 32-bit (with large dnl file support enabled) and 64-bit. dnl AC_DEFUN([PHP_FOPENCOOKIE], [AC_CHECK_TYPE([cookie_io_functions_t], [AC_CHECK_FUNCS([fopencookie])],, [#include <stdio.h>]) dnl Check if glibc might use off64_t seeker definition. AS_VAR_IF([ac_cv_func_fopencookie], [yes], [AC_CACHE_CHECK([whether fopencookie seeker uses off64_t], [php_cv_type_cookie_off64_t], [AC_RUN_IFELSE([AC_LANG_SOURCE([ #include <stdio.h> #include <stdlib.h> struct cookiedata { off64_t pos; }; ssize_t reader(void *cookie, char *buffer, size_t size) { (void)cookie; (void)buffer; return size; } ssize_t writer(void *cookie, const char *buffer, size_t size) { (void)cookie; (void)buffer; return size; } int closer(void *cookie) { (void)cookie; return 0; } int seeker(void *cookie, off64_t *position, int whence) { ((struct cookiedata*)cookie)->pos = *position; (void)whence; return 0; } cookie_io_functions_t funcs = {reader, writer, seeker, closer}; int main(void) { struct cookiedata g = { 0 }; FILE *fp = fopencookie(&g, "r", funcs); if (fp && fseek(fp, 8192, SEEK_SET) == 0 && g.pos == 8192) { return 0; } return 1; } ])], [php_cv_type_cookie_off64_t=yes], [php_cv_type_cookie_off64_t=no], [AS_CASE([$host_alias], [*linux*], [php_cv_type_cookie_off64_t=yes], [php_cv_type_cookie_off64_t=no])] )]) AS_VAR_IF([php_cv_type_cookie_off64_t], [yes], [AC_DEFINE([COOKIE_SEEKER_USES_OFF64_T], [1], [Define to 1 if fopencookie seeker uses off64_t.])]) ]) ]) dnl ---------------------------------------------------------------------------- dnl Library/function existence and build sanity checks. dnl ---------------------------------------------------------------------------- dnl dnl PHP_CHECK_LIBRARY(library, function [, action-found [, action-not-found [, extra-libs]]]) dnl dnl Wrapper for AC_CHECK_LIB. dnl AC_DEFUN([PHP_CHECK_LIBRARY], [ save_old_LDFLAGS=$LDFLAGS ac_stuff="$5" save_ext_shared=$ext_shared ext_shared=yes PHP_EVAL_LIBLINE([$]ac_stuff, LDFLAGS) AC_CHECK_LIB([$1],[$2],[ LDFLAGS=$save_old_LDFLAGS ext_shared=$save_ext_shared $3 ],[ LDFLAGS=$save_old_LDFLAGS ext_shared=$save_ext_shared unset ac_cv_lib_$1[]_$2 $4 ])dnl ]) dnl dnl PHP_CHECK_FRAMEWORK(framework, function [, action-found [, action-not-found ]]) dnl dnl El cheapo wrapper for AC_CHECK_LIB. dnl AC_DEFUN([PHP_CHECK_FRAMEWORK], [ save_old_LDFLAGS=$LDFLAGS LDFLAGS="-framework $1 $LDFLAGS" dnl Supplying "c" to AC_CHECK_LIB is technically cheating, but rewriting dnl AC_CHECK_LIB is overkill and this only affects the "checking.." output dnl anyway. AC_CHECK_LIB([c],[$2],[ LDFLAGS=$save_old_LDFLAGS $3 ],[ LDFLAGS=$save_old_LDFLAGS $4 ]) ]) dnl dnl PHP_CHECK_FUNC_LIB(func, libs) dnl dnl This macro checks whether 'func' or '__func' exists in the specified dnl library. Defines HAVE_func and HAVE_library if found and adds the library to dnl LIBS. This should be called in the ACTION-IF-NOT-FOUND part of dnl PHP_CHECK_FUNC. dnl dnl autoconf undefines the builtin "shift" :-( dnl If possible, we use the builtin shift anyway, otherwise we use the ubercool dnl definition that has been tested so far with FreeBSD/GNU m4. dnl ifdef([builtin],[builtin(define, phpshift, [builtin(shift, $@)])],[ define([phpshift],[ifelse(index([$@],[,]),-1,,[substr([$@],incr(index([$@],[,])))])]) ]) dnl dnl PHP_CHECK_FUNC_LIB dnl AC_DEFUN([PHP_CHECK_FUNC_LIB],[ ifelse($2,,:,[ unset ac_cv_lib_$2[]_$1 unset ac_cv_lib_$2[]___$1 unset found AC_CHECK_LIB($2, $1, [found=yes], [ AC_CHECK_LIB($2, __$1, [found=yes], [found=no]) ]) if test "$found" = "yes"; then ac_libs=$LIBS LIBS="$LIBS -l$2" AC_RUN_IFELSE([AC_LANG_PROGRAM()],[found=yes],[found=no],[ dnl Cross compilation. found=yes ]) LIBS=$ac_libs fi if test "$found" = "yes"; then PHP_ADD_LIBRARY($2) AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1]), [1], [Define to 1 if you have the '$1' function.]) AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_LIB$2]), [1], [Define to 1 if you have the '$2' library (-l$2).]) ac_cv_func_$1=yes else PHP_CHECK_FUNC_LIB($1,phpshift(phpshift($@))) fi ]) ]) dnl dnl PHP_CHECK_FUNC(func, ...) dnl dnl This macro checks whether 'func' or '__func' exists in the default libraries dnl and as a fall back in the specified library. Defines HAVE_func and dnl HAVE_library if found and adds the library to LIBS. dnl AC_DEFUN([PHP_CHECK_FUNC],[ unset ac_cv_func_$1 unset ac_cv_func___$1 unset found AC_CHECK_FUNC($1, [found=yes],[ AC_CHECK_FUNC(__$1,[found=yes],[found=no]) ]) case $found in yes[)] AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_$1]), [1], [Define to 1 if you have the '$1' function.]) ac_cv_func_$1=yes ;; ifelse($#,1,,[ *[)] PHP_CHECK_FUNC_LIB($@) ;; ]) esac ]) dnl ---------------------------------------------------------------------------- dnl Platform characteristics checks. dnl ---------------------------------------------------------------------------- dnl dnl PHP_SHLIB_SUFFIX_NAMES dnl dnl Determines link library suffix SHLIB_SUFFIX_NAME which can be: .so, .sl or dnl .dylib dnl dnl Determines shared library suffix SHLIB_DL_SUFFIX_NAME suffix can be: .so or dnl .sl dnl AC_DEFUN([PHP_SHLIB_SUFFIX_NAMES], [ AC_REQUIRE([PHP_CANONICAL_HOST_TARGET])dnl AS_CASE([$host_alias], [*hpux*], [ SHLIB_SUFFIX_NAME=sl SHLIB_DL_SUFFIX_NAME=sl ], [*darwin*], [ SHLIB_SUFFIX_NAME=dylib SHLIB_DL_SUFFIX_NAME=so ], [ SHLIB_SUFFIX_NAME=so SHLIB_DL_SUFFIX_NAME=$SHLIB_SUFFIX_NAME ]) PHP_SUBST_OLD([SHLIB_SUFFIX_NAME]) PHP_SUBST_OLD([SHLIB_DL_SUFFIX_NAME]) ]) dnl dnl PHP_C_BIGENDIAN dnl dnl Replacement macro for AC_C_BIGENDIAN. dnl AC_DEFUN([PHP_C_BIGENDIAN], [AC_CACHE_CHECK([whether byte ordering is bigendian], [ac_cv_c_bigendian_php], [AC_RUN_IFELSE([AC_LANG_SOURCE([ int main(void) { short one = 1; char *cp = (char *)&one; if (*cp == 0) { return 0; } return 1; } ])], [ac_cv_c_bigendian_php=yes], [ac_cv_c_bigendian_php=no], [ac_cv_c_bigendian_php=unknown])]) AS_VAR_IF([ac_cv_c_bigendian_php], [yes], [AC_DEFINE([WORDS_BIGENDIAN], [], [Define if processor uses big-endian word.])]) ]) dnl ---------------------------------------------------------------------------- dnl Checks for programs: PHP_PROG_<program>. dnl ---------------------------------------------------------------------------- dnl dnl PHP_PROG_SENDMAIL dnl dnl Search for the sendmail binary. dnl AC_DEFUN([PHP_PROG_SENDMAIL], [PHP_ALT_PATH=/usr/bin:/usr/sbin:/usr/etc:/etc:/usr/ucblib:/usr/lib AC_PATH_PROG([PROG_SENDMAIL], [sendmail], [], [$PATH:$PHP_ALT_PATH]) AS_VAR_IF([PROG_SENDMAIL],, [PROG_SENDMAIL=/usr/sbin/sendmail AC_MSG_NOTICE([default sendmail_path INI directive set to $PROG_SENDMAIL])])]) dnl dnl PHP_PROG_AWK dnl dnl Some vendors force mawk before gawk; mawk is broken so we don't like that. dnl AC_DEFUN([PHP_PROG_AWK], [ AC_CHECK_PROGS([AWK], [gawk nawk awk mawk], [bork], [/usr/xpg4/bin/:$PATH]) AS_CASE([$AWK], [*mawk], [AC_MSG_WARN(m4_text_wrap([ mawk is known to have problems on some systems. You should install GNU awk ]))], [*gawk], [], [bork], [AC_MSG_ERROR([Could not find awk; Install GNU awk])], [ AC_MSG_CHECKING([if $AWK is broken]) AS_IF([! $AWK 'function foo() {}' >/dev/null 2>&1], [ AC_MSG_RESULT([yes]) AC_MSG_ERROR([You should install GNU awk]) ], [AC_MSG_RESULT([no])]) ]) PHP_SUBST([AWK]) ]) dnl dnl PHP_PROG_BISON([MIN-VERSION], [EXCLUDED-VERSION...]) dnl dnl Search for bison and optionally check if version is at least the minimum dnl required version MIN-VERSION and doesn't match any of the blank separated dnl list of excluded versions EXCLUDED-VERSION (for example "3.0 3.2"). dnl AC_DEFUN([PHP_PROG_BISON], [ AC_CHECK_PROG([YACC], [bison], [bison]) ifelse($1,,php_bison_required_version='',php_bison_required_version="$1") ifelse($2,,php_bison_excluded_versions='none',php_bison_excluded_versions="$2") if test -n "$YACC"; then AC_MSG_CHECKING([for bison version]) php_bison_version=$($YACC --version 2> /dev/null | grep 'GNU Bison' | cut -d ' ' -f 4 | tr -d a-z) if test -z "$php_bison_version"; then php_bison_version=0.0.0 fi ac_IFS=$IFS; IFS="." set $php_bison_version IFS=$ac_IFS php_bison_num=$(expr [$]{1:-0} \* 10000 + [$]{2:-0} \* 100 + [$]{3:-0}) php_bison_branch="[$]1.[$]2" php_bison_check=ok if test -z "$php_bison_required_version" && test -z "$php_bison_num"; then php_bison_check=invalid elif test -n "$php_bison_required_version"; then ac_IFS=$IFS; IFS="." set $php_bison_required_version IFS=$ac_IFS php_bison_required_num=$(expr [$]{1:-0} \* 10000 + [$]{2:-0} \* 100 + [$]{3:-0}) php_bison_required_version="$php_bison_required_version or later" if test -z "$php_bison_num" || test "$php_bison_num" -lt "$php_bison_required_num"; then php_bison_check=invalid fi fi for php_bison_check_version in $php_bison_excluded_versions; do if test "$php_bison_version" = "$php_bison_check_version" || test "$php_bison_branch" = "$php_bison_check_version"; then php_bison_check=invalid break fi done if test "$php_bison_check" != "invalid"; then PHP_SUBST_OLD([YFLAGS], [-Wall]) AC_MSG_RESULT([$php_bison_version (ok)]) else AC_MSG_RESULT([$php_bison_version]) fi fi case $php_bison_check in ""|invalid[)] if test ! -f "$abs_srcdir/Zend/zend_language_parser.h" || test ! -f "$abs_srcdir/Zend/zend_language_parser.c"; then AC_MSG_ERROR(m4_text_wrap([ bison $php_bison_required_version or newer is required to generate PHP parsers (excluded versions: $php_bison_excluded_versions). ])) fi YACC="exit 0;" ;; esac PHP_SUBST([YACC]) ]) dnl dnl PHP_PROG_RE2C([min-version], [options]) dnl dnl Search for the re2c and optionally check if version is at least the minimum dnl required version "min-version". The blank-or-newline-separated "options" are dnl the re2c command-line flags substituted into a Makefile variable RE2C_FLAGS dnl which can be added to all re2c invocations. dnl AC_DEFUN([PHP_PROG_RE2C],[ AC_CHECK_PROG([RE2C], [re2c], [re2c]) php_re2c_check= AS_VAR_IF([RE2C],,, [ AC_MSG_CHECKING([for re2c version]) php_re2c_version=$($RE2C --version | cut -d ' ' -f 2 2>/dev/null) php_re2c_check=ok AS_VERSION_COMPARE([$php_re2c_version], [$1], [php_re2c_check=invalid]) AS_VAR_IF([php_re2c_check], [invalid], [AC_MSG_RESULT([$php_re2c_version (too old)])], [AC_MSG_RESULT([$php_re2c_version (ok)])]) ]) AS_CASE([$php_re2c_check], [""|invalid], [ AS_IF([test ! -f "$abs_srcdir/Zend/zend_language_scanner.c"], [ AC_MSG_ERROR(m4_text_wrap([ re2c $1 or newer is required to generate PHP lexers. ])) ]) RE2C="exit 0;" ]) PHP_SUBST([RE2C]) AS_VAR_SET([RE2C_FLAGS], m4_normalize(["$2"])) PHP_SUBST([RE2C_FLAGS]) ]) dnl dnl PHP_PROG_PHP([min-version]) dnl dnl Find PHP command-line interface SAPI on the system and check if version is dnl greater or equal to "min-version". If suitable version is found, the PHP dnl variable is set and substituted to a Makefile variable. Used for generating dnl files and running PHP utilities during the build. dnl AC_DEFUN([PHP_PROG_PHP], [m4_if([$1],, [php_required_version=7.4], [php_required_version=$1]) AC_CHECK_PROG([PHP], [php], [php]) AS_VAR_IF([PHP],,, [ AC_MSG_CHECKING([for php version]) php_version=$($PHP -v | head -n1 | cut -d ' ' -f 2) AS_VERSION_COMPARE([$php_version], [$php_required_version], [unset PHP]) AS_VAR_IF([PHP],, [AC_MSG_RESULT([$php_version (too old, install $php_required_version or later)])], [AC_MSG_RESULT([$php_version (ok)])]) ]) PHP_SUBST([PHP]) ]) dnl ---------------------------------------------------------------------------- dnl Common setup macros: PHP_SETUP_<what> dnl ---------------------------------------------------------------------------- dnl dnl PHP_SETUP_ICU([shared-add]) dnl dnl Common setup macro for ICU. dnl AC_DEFUN([PHP_SETUP_ICU],[ PKG_CHECK_MODULES([ICU], [icu-uc >= 57.1 icu-io icu-i18n]) PHP_EVAL_INCLINE([$ICU_CFLAGS]) PHP_EVAL_LIBLINE([$ICU_LIBS], [$1]) ICU_CFLAGS="$ICU_CFLAGS -DU_NO_DEFAULT_INCLUDE_UTF_HEADERS=1" ICU_CXXFLAGS="$ICU_CXXFLAGS -DUNISTR_FROM_CHAR_EXPLICIT=explicit -DUNISTR_FROM_STRING_EXPLICIT=explicit" AS_IF([$PKG_CONFIG icu-io --atleast-version=60], [ICU_CFLAGS="$ICU_CFLAGS -DU_HIDE_OBSOLETE_UTF_OLD_H=1"]) ]) dnl dnl PHP_SETUP_OPENSSL(shared-add [, action-found]) dnl dnl Common setup macro for openssl. dnl AC_DEFUN([PHP_SETUP_OPENSSL],[ found_openssl=no PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.1.1], [found_openssl=yes]) if test "$found_openssl" = "yes"; then PHP_EVAL_LIBLINE([$OPENSSL_LIBS], [$1]) PHP_EVAL_INCLINE([$OPENSSL_CFLAGS]) ifelse([$2],[],:,[$2]) fi ]) dnl dnl PHP_SETUP_ICONV(shared-add [, action-found [, action-not-found]]) dnl dnl Common setup macro for iconv. dnl AC_DEFUN([PHP_SETUP_ICONV], [ found_iconv=no unset ICONV_DIR AH_TEMPLATE([HAVE_LIBICONV], [Define to 1 if you have the 'libiconv' function.]) dnl Check libc first if no path is provided in --with-iconv. AS_VAR_IF([PHP_ICONV], [yes], [ dnl Reset LIBS temporarily as it may have already been included -liconv in. LIBS_save=$LIBS LIBS= AC_CHECK_FUNC([iconv], [found_iconv=yes], [AC_CHECK_FUNC([libiconv], [ AC_DEFINE([HAVE_LIBICONV], [1]) found_iconv=yes ])]) LIBS=$LIBS_save ]) dnl Check external libs for iconv funcs. AS_VAR_IF([found_iconv], [no], [ dnl Find /opt/homebrew/opt/libiconv on macOS dnl See: https://github.com/php/php-src/pull/19475 php_brew_prefix=no AC_CHECK_PROG([BREW], [brew], [brew]) if test -n "$BREW"; then AC_MSG_CHECKING([for homebrew prefix]) php_brew_prefix=$($BREW --prefix 2> /dev/null) fi for i in $PHP_ICONV $php_brew_prefix/opt/libiconv /usr/local /usr; do if test -r $i/include/gnu-libiconv/iconv.h; then ICONV_DIR=$i ICONV_INCLUDE_DIR=$i/include/gnu-libiconv iconv_lib_name=iconv break elif test -r $i/include/iconv.h; then ICONV_DIR=$i ICONV_INCLUDE_DIR=$i/include iconv_lib_name=iconv break fi done AS_VAR_IF([ICONV_DIR],, [AC_MSG_ERROR(m4_text_wrap([ Please specify the install prefix of iconv with --with-iconv=<DIR> ]))]) if test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.a || test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.$SHLIB_SUFFIX_NAME || test -f $ICONV_DIR/$PHP_LIBDIR/lib$iconv_lib_name.tbd then PHP_CHECK_LIBRARY([$iconv_lib_name], [libiconv], [ found_iconv=yes AC_DEFINE([HAVE_LIBICONV], [1]) AC_DEFINE([ICONV_ALIASED_LIBICONV], [1], [Define to 1 if 'iconv()' is aliased to 'libiconv()'.]) ], [PHP_CHECK_LIBRARY([$iconv_lib_name], [iconv], [found_iconv=yes], [], [-L$ICONV_DIR/$PHP_LIBDIR])], [-L$ICONV_DIR/$PHP_LIBDIR]) fi ]) if test "$found_iconv" = "yes"; then if test -n "$ICONV_DIR"; then PHP_ADD_LIBRARY_WITH_PATH([$iconv_lib_name], [$ICONV_DIR/$PHP_LIBDIR], [$1]) PHP_ADD_INCLUDE([$ICONV_INCLUDE_DIR]) fi $2 ifelse([$3],[],,[else $3]) fi ]) dnl dnl PHP_SETUP_LIBXML(shared-add [, action-found]) dnl dnl Common setup macro for libxml. dnl AC_DEFUN([PHP_SETUP_LIBXML], [ PKG_CHECK_MODULES([LIBXML], [libxml-2.0 >= 2.9.4]) PHP_EVAL_INCLINE([$LIBXML_CFLAGS]) PHP_EVAL_LIBLINE([$LIBXML_LIBS], [$1]) $2 ]) dnl dnl PHP_SETUP_EXPAT([shared-add]) dnl dnl Common setup macro for expat. dnl AC_DEFUN([PHP_SETUP_EXPAT], [ PKG_CHECK_MODULES([EXPAT], [expat]) PHP_EVAL_INCLINE([$EXPAT_CFLAGS]) PHP_EVAL_LIBLINE([$EXPAT_LIBS], [$1]) AC_DEFINE([HAVE_LIBEXPAT], [1], [Define to 1 if the system has the Expat XML parser library.]) ]) dnl dnl PHP_SETUP_SQLITE([shared-add]) dnl dnl Common setup macro for SQLite library. dnl AC_DEFUN([PHP_SETUP_SQLITE], [ PKG_CHECK_MODULES([SQLITE], [sqlite3 >= 3.7.17], [ PHP_EVAL_INCLINE([$SQLITE_CFLAGS]) PHP_EVAL_LIBLINE([$SQLITE_LIBS], [$1]) ]) ]) dnl dnl PHP_SETUP_ZLIB(shared-add [, action-found, [action-not-found]]) dnl dnl Common setup macro for zlib library. If zlib is not found on the system, the dnl default error by PKG_CHECK_MODULES is emitted, unless the action-not-found dnl is given. dnl AC_DEFUN([PHP_SETUP_ZLIB], [dnl PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.7], [dnl PHP_EVAL_INCLINE([$ZLIB_CFLAGS]) PHP_EVAL_LIBLINE([$ZLIB_LIBS], [$1]) $2], [$3])dnl ]) dnl dnl PHP_SETUP_PGSQL([shared-add [, action-found [, action-not-found [, pgsql-dir]]]]) dnl dnl Common setup macro for PostgreSQL library (libpq). The optional "pgsql-dir" dnl is the PostgreSQL base install directory or the path to pg_config. Support dnl for pkg-config was introduced in PostgreSQL 9.3. If library can't be found dnl with pkg-config, check falls back to pg_config. If libpq is not found, error dnl is thrown, unless the "action-not-found" is given. dnl AC_DEFUN([PHP_SETUP_PGSQL], [dnl found_pgsql=no dnl Set PostgreSQL installation directory if given from the configure argument. AS_CASE([$4], [yes], [pgsql_dir=""], [pgsql_dir=$4]) AS_VAR_IF([pgsql_dir],, [PKG_CHECK_MODULES([PGSQL], [libpq >= 10.0], [found_pgsql=yes], [found_pgsql=no])]) AS_VAR_IF([found_pgsql], [no], [dnl AC_MSG_CHECKING([for pg_config]) for i in $pgsql_dir $pgsql_dir/bin /usr/local/pgsql/bin /usr/local/bin /usr/bin ""; do AS_IF([test -x $i/pg_config], [PG_CONFIG="$i/pg_config"; break;]) done AS_VAR_IF([PG_CONFIG],, [dnl AC_MSG_RESULT([not found]) AS_VAR_IF([pgsql_dir],, [pgsql_search_paths="/usr /usr/local /usr/local/pgsql"], [pgsql_search_paths=$pgsql_dir]) for i in $pgsql_search_paths; do for j in include include/pgsql include/postgres include/postgresql ""; do AS_IF([test -r "$i/$j/libpq-fe.h"], [PGSQL_INCLUDE=$i/$j]) done for j in $PHP_LIBDIR lib $PHP_LIBDIR/pgsql $PHP_LIBDIR/postgres $PHP_LIBDIR/postgresql ""; do AS_IF([test -f "$i/$j/libpq.so" || test -f "$i/$j/libpq.a"], [PGSQL_LIBDIR=$i/$j]) done done ], [dnl AC_MSG_RESULT([$PG_CONFIG]) PGSQL_INCLUDE=$($PG_CONFIG --includedir) PGSQL_LIBDIR=$($PG_CONFIG --libdir) ]) AS_IF([test -n "$PGSQL_INCLUDE" && test -n "PGSQL_LIBDIR"], [ found_pgsql=yes PGSQL_CFLAGS="-I$PGSQL_INCLUDE" PGSQL_LIBS="-L$PGSQL_LIBDIR -lpq" ])dnl ]) AS_VAR_IF([found_pgsql], [yes], [dnl PHP_EVAL_INCLINE([$PGSQL_CFLAGS]) PHP_EVAL_LIBLINE([$PGSQL_LIBS], [$1]) dnl PostgreSQL minimum version sanity check. PHP_CHECK_LIBRARY([pq], [PQencryptPasswordConn],, [AC_MSG_FAILURE([PostgreSQL check failed: libpq 10.0 or later is required.])], [$PGSQL_LIBS]) $2], [m4_default([$3], [AC_MSG_FAILURE(m4_text_wrap([ Cannot find libpq-fe.h or pq library (libpq). Please specify the correct PostgreSQL installation path with environment variables PGSQL_CFLAGS and PGSQL_LIBS or provide the PostgreSQL installation directory. ]))])]) ]) dnl ---------------------------------------------------------------------------- dnl Misc. macros dnl ---------------------------------------------------------------------------- dnl dnl PHP_INSTALL_HEADERS(path [, files ...]) dnl dnl Add PHP header files to the list to be installed on the system. The "files" dnl argument is a blank-or-newline-separated list of header files or directories dnl located in the "path". If 2nd argument is not given, it installs header dnl files in all paths from the blank-or-newline-separated "path" argument. dnl AC_DEFUN([PHP_INSTALL_HEADERS], [m4_ifblank([$2], [ for header_file in m4_normalize(m4_expand([$1])); do PHP_RUN_ONCE([INSTALLHEADERS], [$header_file], [INSTALL_HEADERS="$INSTALL_HEADERS $header_file"]) done ], [ header_path=$1 for header_file in m4_normalize(m4_expand([$2])); do hp_hf="$header_path/$header_file" PHP_RUN_ONCE([INSTALLHEADERS], [$hp_hf], [INSTALL_HEADERS="$INSTALL_HEADERS $hp_hf"]) done ]) ]) dnl dnl PHP_CONFIG_NICE(filename) dnl dnl This macro creates script file with given filename which includes the last dnl configure command run by user. This file is named 'config.nice' in PHP. dnl AC_DEFUN([PHP_CONFIG_NICE],[ AC_REQUIRE([AC_PROG_EGREP]) AC_REQUIRE([AC_PROG_SED]) PHP_SUBST_OLD([EGREP]) PHP_SUBST_OLD([SED]) test -f $1 && mv $1 $1.old rm -f $1.old cat >$1<<EOF #! /bin/sh # # Created by configure EOF clean_configure_args=$ac_configure_args for var in CFLAGS CXXFLAGS CPPFLAGS LDFLAGS EXTRA_LDFLAGS_PROGRAM LIBS CC CXX; do eval val=\$$var if test -n "$val"; then echo "$var='$val' \\" >> $1 if test $(expr "X$ac_configure_args" : ".*${var}.*") != 0; then clean_configure_args=$(echo $clean_configure_args | $SED -e "s#'$var=$val'##") fi fi done echo "'[$]0' \\" >> $1 if test $(expr " [$]0" : " '.*") = 0; then CONFIGURE_COMMAND="$CONFIGURE_COMMAND '[$]0'" else CONFIGURE_COMMAND="$CONFIGURE_COMMAND [$]0" fi CONFIGURE_ARGS="$clean_configure_args" while test "X$CONFIGURE_ARGS" != "X"; do if CURRENT_ARG=$(expr "X$CONFIGURE_ARGS" : "X *\('[[^']]*'\)") then CONFIGURE_ARGS=$(expr "X$CONFIGURE_ARGS" : "X *'[[^']]*' \(.*\)") elif CURRENT_ARG=$(expr "X$CONFIGURE_ARGS" : "X *\([[^ ]]*\)") then CONFIGURE_ARGS=$(expr "X$CONFIGURE_ARGS" : "X *[[^ ]]* \(.*\)") CURRENT_ARG="'$CURRENT_ARG'" else break fi AS_ECHO(["$CURRENT_ARG \\"]) >>$1 CONFIGURE_OPTIONS="$CONFIGURE_OPTIONS $CURRENT_ARG" done echo '"[$]@"' >> $1 chmod +x $1 CONFIGURE_COMMAND="$CONFIGURE_COMMAND $CONFIGURE_OPTIONS" AC_SUBST([CONFIGURE_COMMAND]) AC_SUBST([CONFIGURE_OPTIONS]) ]) dnl dnl PHP_CHECK_PDO_INCLUDES([found [, not-found]]) dnl AC_DEFUN([PHP_CHECK_PDO_INCLUDES],[ AC_CACHE_CHECK([for PDO includes], pdo_cv_inc_path, [ if test -f $abs_srcdir/ext/pdo/php_pdo_driver.h; then pdo_cv_inc_path=$abs_srcdir/ext elif test -f $phpincludedir/ext/pdo/php_pdo_driver.h; then pdo_cv_inc_path=$phpincludedir/ext fi ]) if test -n "$pdo_cv_inc_path"; then ifelse([$1],[],:,[$1]) else ifelse([$2],[],[AC_MSG_ERROR([Cannot find php_pdo_driver.h.])],[$2]) fi ]) dnl dnl PHP_DETECT_ICC dnl dnl Detect Intel C++ Compiler and unset $GCC if ICC found. dnl AC_DEFUN([PHP_DETECT_ICC], [ ICC="no" AC_MSG_CHECKING([for icc]) AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER], ICC="no" AC_MSG_RESULT([no]), ICC="yes" GCC="no" AC_MSG_RESULT([yes]) ) ]) dnl dnl PHP_DETECT_SUNCC dnl dnl Detect if the systems default compiler is suncc. We also set some useful dnl CFLAGS if the user didn't set any. dnl AC_DEFUN([PHP_DETECT_SUNCC],[ SUNCC="no" AC_MSG_CHECKING([for suncc]) AC_EGREP_CPP([^__SUNPRO_C], [__SUNPRO_C], SUNCC="no" AC_MSG_RESULT([no]), SUNCC="yes" GCC="no" test -n "$auto_cflags" && CFLAGS="-O -xs -xstrconst -zlazyload" GCC="" AC_MSG_RESULT([yes]) ) ]) dnl dnl PHP_CRYPT_R_STYLE dnl dnl Detect the style of crypt_r() if any is available. dnl See APR_CHECK_CRYPT_R_STYLE() for original version. dnl AC_DEFUN([PHP_CRYPT_R_STYLE], [AC_CACHE_CHECK([which data struct is used by crypt_r], [php_cv_crypt_r_style], [php_cv_crypt_r_style=none AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ #define _REENTRANT 1 #include <crypt.h> ], [ CRYPTD buffer; crypt_r("passwd", "hash", &buffer); ])], [php_cv_crypt_r_style=cryptd], []) AS_VAR_IF([php_cv_crypt_r_style], [none], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ #define _REENTRANT 1 #include <crypt.h> ],[ struct crypt_data buffer; crypt_r("passwd", "hash", &buffer); ])], [php_cv_crypt_r_style=struct_crypt_data], [])]) AS_VAR_IF([php_cv_crypt_r_style], [none], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ #define _REENTRANT 1 #ifndef _GNU_SOURCE #define _GNU_SOURCE #endif #include <crypt.h> ],[ struct crypt_data buffer; crypt_r("passwd", "hash", &buffer); ])], [php_cv_crypt_r_style=struct_crypt_data_gnu_source], [])]) AS_VAR_IF([php_cv_crypt_r_style], [none], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ #include <stdlib.h> #include <unistd.h> ],[ struct crypt_data buffer; crypt_r("passwd", "hash", &buffer); ])], [php_cv_crypt_r_style=struct_crypt_data], [])]) ]) AS_VAR_IF([php_cv_crypt_r_style], [cryptd], [AC_DEFINE([CRYPT_R_CRYPTD], [1], [Define to 1 if crypt_r uses CRYPTD.])]) AS_CASE([$php_cv_crypt_r_style], [struct_crypt_data|struct_crypt_data_gnu_source], [AC_DEFINE([CRYPT_R_STRUCT_CRYPT_DATA], [1], [Define to 1 if crypt_r uses struct crypt_data.])]) AS_VAR_IF([php_cv_crypt_r_style], [struct_crypt_data_gnu_source], [AC_DEFINE([CRYPT_R_GNU_SOURCE], [1], [Define to 1 if struct crypt_data requires _GNU_SOURCE.])]) AS_VAR_IF([php_cv_crypt_r_style], [none], [AC_MSG_FAILURE([Unable to detect data struct used by crypt_r.])]) ]) dnl dnl PHP_TEST_WRITE_STDOUT dnl AC_DEFUN([PHP_TEST_WRITE_STDOUT], [AC_CACHE_CHECK([whether writing to stdout works], [php_cv_have_write_stdout], [AC_RUN_IFELSE([AC_LANG_SOURCE([ #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #define TEXT "This is the test message -- " int main(void) { int n; n = write(1, TEXT, sizeof(TEXT)-1); return (!(n == sizeof(TEXT)-1)); } ])], [php_cv_have_write_stdout=yes], [php_cv_have_write_stdout=no], [AS_CASE([$host_alias], [*linux*|*midipix], [php_cv_have_write_stdout=yes], [php_cv_have_write_stdout=no])])]) AS_VAR_IF([php_cv_have_write_stdout], [yes], [AC_DEFINE([PHP_WRITE_STDOUT], [1], [Define to 1 if 'write(2)' works.])]) ]) dnl dnl PHP_INIT_DTRACE(providerdesc, header-file, sources [, module]) dnl dnl Initialize the DTrace support using the DTrace "providerdesc" file and dnl generate "header-file". The "sources" is a blank-or-newline-separated list dnl of files. The optional "module" is PHP extension name or path when used in dnl extensions. dnl AC_DEFUN([PHP_INIT_DTRACE], [AC_CHECK_HEADER([sys/sdt.h],, [AC_MSG_FAILURE([Cannot find required <sys/sdt.h> to enable DTrace support.])]) dnl Set paths properly when called from extension. case "$4" in ""[)] ac_srcdir="$abs_srcdir/"; unset ac_bdir;; /*[)] ac_srcdir=$(echo "$4"|cut -c 2-)"/"; ac_bdir=$ac_srcdir;; *[)] ac_srcdir="$abs_srcdir/$1/"; ac_bdir="$4/";; esac dnl providerdesc. ac_provsrc=$1 old_IFS=[$]IFS IFS=. set $ac_provsrc ac_provobj=[$]1 IFS=$old_IFS dnl header-file. ac_hdrobj=$2 dnl Add providerdesc.o or .lo into global objects when needed. case $host_alias in *freebsd*) PHP_GLOBAL_OBJS="[$]PHP_GLOBAL_OBJS [$]ac_bdir[$]ac_provsrc.lo" PHP_LDFLAGS="$PHP_LDFLAGS -lelf" ;; *solaris*) PHP_GLOBAL_OBJS="[$]PHP_GLOBAL_OBJS [$]ac_bdir[$]ac_provsrc.lo" ;; *linux*) PHP_GLOBAL_OBJS="[$]PHP_GLOBAL_OBJS [$]ac_bdir[$]ac_provsrc.lo" ;; esac dnl DTrace objects. old_IFS=[$]IFS for ac_src in m4_normalize([$3]); do IFS=. set $ac_src ac_obj=[$]1 IFS=$old_IFS PHP_DTRACE_OBJS="[$]PHP_DTRACE_OBJS [$]ac_bdir[$]ac_obj.lo" done; case [$]php_sapi_module in shared[)] for ac_lo in $PHP_DTRACE_OBJS; do dtrace_objs="[$]dtrace_objs $(echo $ac_lo | $SED -e 's,\.lo$,.o,' -e 's#\(.*\)\/#\1\/.libs\/#')" done; ;; *[)] dtrace_objs='$(PHP_DTRACE_OBJS:.lo=.o)' ;; esac dnl Generate Makefile.objects entries. The empty $ac_provsrc command stops an dnl implicit circular dependency in GNU Make which causes the .d file to be dnl overwritten (Bug 61268). cat>>Makefile.objects<<EOF $abs_srcdir/$ac_provsrc:; $ac_bdir[$]ac_hdrobj: $abs_srcdir/$ac_provsrc CC="\$(CC)" CFLAGS="\$(CFLAGS_CLEAN)" dtrace -h -C -s $ac_srcdir[$]ac_provsrc -o \$[]@.bak && \$(SED) -e 's,PHP_,DTRACE_,g' \$[]@.bak > \$[]@ \$(PHP_DTRACE_OBJS): $ac_bdir[$]ac_hdrobj EOF case $host_alias in *solaris*|*linux*|*freebsd*) dtrace_prov_name="$(echo $ac_provsrc | $SED -e 's#\(.*\)\/##').o" dtrace_lib_dir="$(echo $ac_bdir[$]ac_provsrc | $SED -e 's#\(.*\)/[^/]*#\1#')/.libs" dtrace_d_obj="$(echo $ac_bdir[$]ac_provsrc | $SED -e 's#\(.*\)/\([^/]*\)#\1/.libs/\2#').o" dtrace_nolib_objs='$(PHP_DTRACE_OBJS:.lo=.o)' for ac_lo in $PHP_DTRACE_OBJS; do dtrace_lib_objs="[$]dtrace_lib_objs $(echo $ac_lo | $SED -e 's,\.lo$,.o,' -e 's#\(.*\)\/#\1\/.libs\/#')" done; dnl Always attempt to create both PIC and non-PIC DTrace objects (Bug 63692) cat>>Makefile.objects<<EOF $ac_bdir[$]ac_provsrc.lo: \$(PHP_DTRACE_OBJS) echo "[#] Generated by Makefile for libtool" > \$[]@ @test -d "$dtrace_lib_dir" || mkdir $dtrace_lib_dir if CC="\$(CC)" CFLAGS="\$(CFLAGS_CLEAN)" dtrace -G -o $dtrace_d_obj -s $abs_srcdir/$ac_provsrc $dtrace_lib_objs 2> /dev/null && test -f "$dtrace_d_obj"; then [\\] echo "pic_object=['].libs/$dtrace_prov_name[']" >> \$[]@ [;\\] else [\\] echo "pic_object='none'" >> \$[]@ [;\\] fi if CC="\$(CC)" CFLAGS="\$(CFLAGS_CLEAN)" dtrace -G -o $ac_bdir[$]ac_provsrc.o -s $abs_srcdir/$ac_provsrc $dtrace_nolib_objs 2> /dev/null && test -f "$ac_bdir[$]ac_provsrc.o"; then [\\] echo "non_pic_object=[']$dtrace_prov_name[']" >> \$[]@ [;\\] else [\\] echo "non_pic_object='none'" >> \$[]@ [;\\] fi EOF ;; *) cat>>Makefile.objects<<EOF $ac_bdir[$]ac_provsrc.o: \$(PHP_DTRACE_OBJS) CC="\$(CC)" CFLAGS="\$(CFLAGS_CLEAN)" dtrace -G -o \$[]@ -s $abs_srcdir/$ac_provsrc $dtrace_objs EOF ;; esac PHP_SUBST([PHP_DTRACE_OBJS]) ]) dnl dnl PHP_CHECK_STDINT_TYPES dnl AC_DEFUN([PHP_CHECK_STDINT_TYPES], [ AC_CHECK_SIZEOF([int]) AC_CHECK_SIZEOF([long]) AC_CHECK_SIZEOF([long long]) AC_CHECK_SIZEOF([size_t]) AC_CHECK_SIZEOF([off_t]) ]) dnl dnl PHP_CHECK_BUILTIN(builtin) dnl dnl Check GNU C builtin "builtin" and define the CPP macro dnl PHP_HAVE_<BUILTIN_WITHOUT_LEADING_UNDERSCORES> to 1 if found. dnl AC_DEFUN([PHP_CHECK_BUILTIN], [AS_VAR_PUSHDEF([php_var], [php_cv_have_$1]) AC_CACHE_CHECK([for $1], [php_var], [AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) { m4_case([$1], [__builtin_clz], [return $1(1) ? 1 : 0;], [__builtin_clzl], [return $1(1) ? 1 : 0;], [__builtin_clzll], [return $1(1) ? 1 : 0;], [__builtin_cpu_init], [$1();], [__builtin_cpu_supports], [return $1("sse")? 1 : 0;], [__builtin_ctzl], [return $1(2L) ? 1 : 0;], [__builtin_ctzll], [return $1(2LL) ? 1 : 0;], [__builtin_expect], [return $1(1,1) ? 1 : 0;], [__builtin_frame_address], [return $1(0) != (void*)0;], [__builtin_saddl_overflow], [long tmpvar; return $1(3, 7, &tmpvar);], [__builtin_saddll_overflow], [long long tmpvar; return $1(3, 7, &tmpvar);], [__builtin_smull_overflow], [long tmpvar; return $1(3, 7, &tmpvar);], [__builtin_smulll_overflow], [long long tmpvar; return $1(3, 7, &tmpvar);], [__builtin_ssubl_overflow], [long tmpvar; return $1(3, 7, &tmpvar);], [__builtin_ssubll_overflow], [long long tmpvar; return $1(3, 7, &tmpvar);], [__builtin_unreachable], [$1();], [__builtin_usub_overflow], [unsigned int tmpvar; return $1(3, 7, &tmpvar);], [ m4_warn([syntax], [Unsupported builtin '$1', the test may fail.]) $1(); ]) return 0; }])], [AS_VAR_SET([php_var], [yes])], [AS_VAR_SET([php_var], [no])]) ]) AS_VAR_IF([php_var], [yes], [AC_DEFINE_UNQUOTED(AS_TR_CPP([PHP_HAVE_]m4_bpatsubst([$1], [^_*], [])), [1], [Define to 1 if the compiler supports '$1'.])]) AS_VAR_POPDEF([php_var]) ]) dnl dnl PHP_PATCH_CONFIG_HEADERS([FILE]) dnl dnl PACKAGE_* symbols are automatically defined by Autoconf. When including dnl configuration header, warnings about redefined symbols are emitted for such dnl symbols if they are defined by multiple libraries. This disables all dnl PACKAGE_* symbols in the generated configuration header template FILE. For dnl example, main/php_config.h.in for PHP or config.h.in for PHP extensions. dnl AC_DEFUN([PHP_PATCH_CONFIG_HEADERS], [ AC_MSG_NOTICE([patching $1]) $SED -e 's/^#undef PACKAGE_[^ ]*/\/\* & \*\//g' < $srcdir/$1 \ > $srcdir/$1.tmp && mv $srcdir/$1.tmp $srcdir/$1 ]) dnl dnl PHP_CHECK_AVX512_SUPPORTS dnl dnl Check whether the compiler supports the AVX-512 extensions and define dnl PHP_HAVE_AVX512_SUPPORTS to 1 if found. Note that this is a compiler check, dnl not a runtime check where additional adjustments are done in the C code. dnl AC_DEFUN([PHP_CHECK_AVX512_SUPPORTS], [AC_CACHE_CHECK([whether compiler supports AVX-512], [php_cv_have_avx512], [save_CFLAGS="$CFLAGS" CFLAGS="-mavx512f -mavx512cd -mavx512vl -mavx512dq -mavx512bw $CFLAGS" AC_LINK_IFELSE([AC_LANG_SOURCE([[ #include <immintrin.h> int main(void) { __m512i mask = _mm512_set1_epi32(0x1); char out[32]; _mm512_storeu_si512(out, _mm512_shuffle_epi8(mask, mask)); return 0; }]])], [php_cv_have_avx512=yes], [php_cv_have_avx512=no]) CFLAGS="$save_CFLAGS" ]) AS_VAR_IF([php_cv_have_avx512], [yes], [AC_DEFINE([PHP_HAVE_AVX512_SUPPORTS], [1], [Define to 1 if the compiler supports AVX-512.])]) ]) dnl dnl PHP_CHECK_AVX512_VBMI_SUPPORTS dnl dnl Check whether the compiler supports the AVX-512 extensions with the VBMI dnl instruction set and define PHP_HAVE_AVX512_VBMI_SUPPORTS to 1 if found. Note dnl that this is a compiler check, not a runtime check where additional dnl adjustments are done in the C code. dnl AC_DEFUN([PHP_CHECK_AVX512_VBMI_SUPPORTS], [AC_CACHE_CHECK([whether compiler supports AVX-512 VBMI], [php_cv_have_avx512vbmi], [save_CFLAGS="$CFLAGS" CFLAGS="-mavx512f -mavx512cd -mavx512vl -mavx512dq -mavx512bw -mavx512vbmi $CFLAGS" AC_LINK_IFELSE([AC_LANG_SOURCE([[ #include <immintrin.h> int main(void) { __m512i mask = _mm512_set1_epi32(0x1); char out[32]; _mm512_storeu_si512(out, _mm512_permutexvar_epi8(mask, mask)); return 0; }]])], [php_cv_have_avx512vbmi=yes], [php_cv_have_avx512vbmi=no]) CFLAGS="$save_CFLAGS" ]) AS_VAR_IF([php_cv_have_avx512vbmi], [yes], [AC_DEFINE([PHP_HAVE_AVX512_VBMI_SUPPORTS], [1], [Define to 1 if the compiler supports AVX-512 VBMI.])]) ]) dnl dnl PHP_CHECK_VARIABLE_ATTRIBUTE(attribute) dnl dnl Check whether the compiler supports the GNU C variable attribute. dnl AC_DEFUN([PHP_CHECK_VARIABLE_ATTRIBUTE], [AS_VAR_PUSHDEF([php_var], [php_cv_have_variable_attribute_$1]) AC_CACHE_CHECK([for variable __attribute__(($1))], [php_var], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([m4_case([$1], [aligned], [unsigned char test[32] __attribute__(($1(__alignof__(int))));], [ m4_warn([syntax], [Unsupported variable attribute $1, the test may fail]) int var __attribute__(($1)); ])], [])], dnl By default, compilers may not classify attribute warnings as errors dnl (-Werror=attributes) when encountering an unknown attribute. Accept the dnl attribute only if no warnings were generated. [AS_IF([test -s conftest.err], [AS_VAR_SET([php_var], [no])], [AS_VAR_SET([php_var], [yes])])], [AS_VAR_SET([php_var], [no])]) ]) AS_VAR_IF([php_var], [yes], [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_ATTRIBUTE_$1]), [1], [Define to 1 if the compiler supports the '$1' variable attribute.])]) AS_VAR_POPDEF([php_var]) ]) dnl dnl PHP_REMOVE_OPTIMIZATION_FLAGS dnl dnl Removes known compiler optimization flags like -O, -O0, -O1, ..., -Ofast dnl from CFLAGS and CXXFLAGS. dnl AC_DEFUN([PHP_REMOVE_OPTIMIZATION_FLAGS], [ sed_script='s/\([[\t ]]\|^\)-O\([[0-9gsz]]\|fast\|\)\([[\t ]]\|$\)/\1/g' CFLAGS=$(echo "$CFLAGS" | $SED -e "$sed_script") CXXFLAGS=$(echo "$CXXFLAGS" | $SED -e "$sed_script") ]) dnl dnl PHP_C_STANDARD_LIBRARY dnl dnl Determine the C standard library used for the build. The uclibc is checked dnl first because it also defines the __GLIBC__ and could otherwise be detected dnl as glibc. Musl C library is determined heuristically. dnl AC_DEFUN([PHP_C_STANDARD_LIBRARY], [AC_CACHE_CHECK([C standard library implementation], [php_cv_c_standard_library], [php_cv_c_standard_library=unknown dnl Check if C standard library is uclibc. AS_VAR_IF([php_cv_c_standard_library], [unknown], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <features.h>], [#ifndef __UCLIBC__ (void) __UCLIBC__; #endif])], [php_cv_c_standard_library=uclibc], [php_cv_c_standard_library=unknown])]) dnl Check if C standard library is GNU C. AS_VAR_IF([php_cv_c_standard_library], [unknown], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <features.h>], [#ifndef __GLIBC__ (void) __GLIBC__; #endif])], [php_cv_c_standard_library=glibc], [php_cv_c_standard_library=unknown])]) dnl Check if C standard library is musl libc. AS_VAR_IF([php_cv_c_standard_library], [unknown], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <stdarg.h>], [#ifndef __DEFINED_va_list (void) __DEFINED_va_list; #endif])], [php_cv_c_standard_library=musl], [AS_IF([command -v ldd >/dev/null && ldd --version 2>&1 | grep ^musl >/dev/null 2>&1], [php_cv_c_standard_library=musl], [php_cv_c_standard_library=unknown])])]) ]) ])