dnl Process this file with autoconf to produce a configure script. dnl Include external macro definitions before the AC_INIT to also remove dnl comments starting with # and empty newlines from the included files. dnl ---------------------------------------------------------------------------- m4_include([build/ax_check_compile_flag.m4]) m4_include([build/ax_func_which_gethostbyname_r.m4]) m4_include([build/ax_gcc_func_attribute.m4]) m4_include([build/libtool.m4]) m4_include([build/php_cxx_compile_stdcxx.m4]) m4_include([build/php.m4]) m4_include([build/pkg.m4]) m4_include([TSRM/threads.m4]) m4_include([Zend/Zend.m4]) dnl Basic autoconf initialization, generation of config.nice. dnl ---------------------------------------------------------------------------- AC_PREREQ([2.68]) AC_INIT([PHP],[8.4.0-dev],[https://github.com/php/php-src/issues],[php],[https://www.php.net]) AC_CONFIG_SRCDIR([main/php_version.h]) AC_CONFIG_AUX_DIR([build]) AC_PRESERVE_HELP_ORDER PHP_CONFIG_NICE([config.nice]) PHP_CANONICAL_HOST_TARGET AC_CONFIG_HEADERS([main/php_config.h]) AH_TOP([ #ifndef PHP_CONFIG_H #define PHP_CONFIG_H #if defined(__GNUC__) && __GNUC__ >= 4 # define ZEND_API __attribute__ ((visibility("default"))) # define ZEND_DLEXPORT __attribute__ ((visibility("default"))) #else # define ZEND_API # define ZEND_DLEXPORT #endif #define ZEND_DLIMPORT ]) AH_BOTTOM([ #include #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_SYS_SELECT_H #include #endif #include #endif /* PHP_CONFIG_H */ ]) ac_IFS=$IFS; IFS="." set $(echo AC_PACKAGE_VERSION | "${SED}" 's/\([[0-9\.]]*\)\(.*\)/\1\.\2/') IFS=$ac_IFS PHP_MAJOR_VERSION=[$]1 PHP_MINOR_VERSION=[$]2 PHP_RELEASE_VERSION=[$]3 dnl Allow overriding PHP_EXTRA_VERSION through the homonymous env var AC_ARG_VAR([PHP_EXTRA_VERSION], [Extra PHP version label suffix, e.g. '-dev', 'rc1', '-acme'])dnl AS_VAR_IF([PHP_EXTRA_VERSION],, [PHP_EXTRA_VERSION=[$]4]) PHP_VERSION="$PHP_MAJOR_VERSION.$PHP_MINOR_VERSION.$PHP_RELEASE_VERSION$PHP_EXTRA_VERSION" PHP_VERSION_ID=$(expr [$]PHP_MAJOR_VERSION \* 10000 + [$]PHP_MINOR_VERSION \* 100 + [$]PHP_RELEASE_VERSION) dnl Allow version values to be used in Makefile. PHP_SUBST([PHP_MAJOR_VERSION]) PHP_SUBST([PHP_MINOR_VERSION]) PHP_SUBST([PHP_RELEASE_VERSION]) PHP_SUBST([PHP_EXTRA_VERSION]) dnl Setting up the PHP version based on the information above. dnl ---------------------------------------------------------------------------- echo "/* automatically generated by configure */" > php_version.h.new echo "/* edit configure.ac to change version number */" >> php_version.h.new echo "#define PHP_MAJOR_VERSION $PHP_MAJOR_VERSION" >> php_version.h.new echo "#define PHP_MINOR_VERSION $PHP_MINOR_VERSION" >> php_version.h.new echo "#define PHP_RELEASE_VERSION $PHP_RELEASE_VERSION" >> php_version.h.new echo "#define PHP_EXTRA_VERSION \"$PHP_EXTRA_VERSION\"" >> php_version.h.new echo "#define PHP_VERSION \"$PHP_VERSION\"" >> php_version.h.new echo "#define PHP_VERSION_ID $PHP_VERSION_ID" >> php_version.h.new cmp php_version.h.new $srcdir/main/php_version.h >/dev/null 2>&1 if test $? -ne 0 ; then rm -f $srcdir/main/php_version.h && mv php_version.h.new $srcdir/main/php_version.h && \ echo 'Updated main/php_version.h' else rm -f php_version.h.new fi dnl Settings we want to make before the checks. dnl ---------------------------------------------------------------------------- PHP_INIT_BUILD_SYSTEM dnl Because 'make install' is often performed by the superuser, we create the dnl libs subdirectory as the user who configures PHP. Otherwise, the current dnl user will not be able to delete libs or the contents of libs. $php_shtool mkdir -p libs rm -f libs/* dnl Checks for programs. dnl ---------------------------------------------------------------------------- PKG_PROG_PKG_CONFIG AC_PROG_CC([cc gcc]) PHP_DETECT_ICC PHP_DETECT_SUNCC dnl AC_PROG_CC_C99 is obsolete with autoconf >= 2.70 yet necessary for <= 2.69. m4_version_prereq([2.70],,[AC_PROG_CC_C99]) AC_PROG_CPP AC_USE_SYSTEM_EXTENSIONS AC_PROG_LN_S AS_VAR_IF([cross_compiling], [yes], [AC_CHECK_PROGS([BUILD_CC], [gcc clang c99 c89 cc cl], [none]) AC_MSG_CHECKING([for native build C compiler]) AC_MSG_RESULT([$BUILD_CC])], [BUILD_CC=$CC]) dnl Support systems with system libraries in e.g. /usr/lib64. PHP_ARG_WITH([libdir], [for system library directory], [AS_HELP_STRING([--with-libdir=NAME], [Look for libraries in .../NAME rather than .../lib])], [lib], [no]) PHP_ARG_ENABLE([rpath], [whether to enable runpaths], [AS_HELP_STRING([--disable-rpath], [Disable passing additional runtime library search paths])], [yes], [no]) dnl Check for -R, etc. switch. PHP_RUNPATH_SWITCH dnl Checks for some support/generator progs. PHP_PROG_BISON([3.0.0]) PHP_PROG_RE2C([1.0.3], [--no-generation-date]) dnl Find installed PHP. Minimum supported version for gen_stub.php is PHP 7.4. PHP_PROG_PHP([7.4]) PHP_ARG_ENABLE([re2c-cgoto], [whether to enable computed goto extension with re2c], [AS_HELP_STRING([--enable-re2c-cgoto], [Enable re2c -g flag to optimize conditional jumps using computed goto extension, if supported by the compiler])], [no], [no]) AS_VAR_IF([PHP_RE2C_CGOTO], [no],, [AC_CACHE_CHECK([whether re2c -g works], [php_cv_have_re2c_cgoto], [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ int main(void) { label1: ; label2: ; static void *adr[] = { &&label1, &&label2 }; goto *adr[0]; return 0; }]])], [php_cv_have_re2c_cgoto=yes], [php_cv_have_re2c_cgoto=no])]) AS_VAR_IF([php_cv_have_re2c_cgoto], [yes], [AS_VAR_APPEND([RE2C_FLAGS], [" -g"])]) ]) dnl Platform-specific compile settings. dnl ---------------------------------------------------------------------------- dnl See bug #28605 case $host_cpu in alpha*) if test "$GCC" = "yes"; then CFLAGS="$CFLAGS -mieee" else CFLAGS="$CFLAGS -ieee" fi ;; sparc*) if test "$SUNCC" = "yes"; then CFLAGS="$CFLAGS -xmemalign=8s" fi ;; esac dnl See https://github.com/php/php-src/issues/14140 AX_CHECK_COMPILE_FLAG([-ffp-contract=off], [CFLAGS="$CFLAGS -ffp-contract=off"]) dnl Mark symbols hidden by default if the compiler (for example, gcc >= 4) dnl supports it. This can help reduce the binary size and startup time. AX_CHECK_COMPILE_FLAG([-fvisibility=hidden], [CFLAGS="$CFLAGS -fvisibility=hidden"]) case $host_alias in *solaris*) CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS" ;; *hpux*) if test "$GCC" = "yes"; then CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED" fi ;; esac dnl Disable PIC mode by default where it is known to be safe to do so, to avoid dnl the performance hit from the lost register. AC_MSG_CHECKING([whether to force non-PIC code in shared modules]) case $host_alias in i?86-*-linux*|i?86-*-freebsd*) if test "${with_pic+set}" != "set" || test "$with_pic" = "no"; then with_pic=no AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi ;; *) AC_MSG_RESULT([no]) ;; esac dnl Detect musl libc AC_MSG_CHECKING([whether we are using musl libc]) if command -v ldd >/dev/null && ldd --version 2>&1 | grep ^musl >/dev/null 2>&1 then AC_MSG_RESULT([yes]) AC_DEFINE([__MUSL__], [1], [Define to 1 when using musl libc.]) else AC_MSG_RESULT([no]) fi dnl Add _GNU_SOURCE compile definition because the php_config.h with definitions dnl by AC_USE_SYSTEM_EXTENSIONS might be included after the system headers which dnl require extensions to C and POSIX. AS_VAR_APPEND([CPPFLAGS], [" -D_GNU_SOURCE"]) PTHREADS_CHECK PHP_HELP_SEPARATOR([SAPI modules:]) PHP_SHLIB_SUFFIX_NAMES PHP_BUILD_PROGRAM PHP_SAPI=none dnl SAPI configuration. dnl ---------------------------------------------------------------------------- dnl Paths to the targets are relative to the build directory. SAPI_LIBNAME=libphp SAPI_LIBNAME_SHARED=$SAPI_LIBNAME.[]$SHLIB_DL_SUFFIX_NAME SAPI_LIBNAME_STATIC=$SAPI_LIBNAME.a SAPI_SHARED=libs/$SAPI_LIBNAME_SHARED SAPI_STATIC=libs/$SAPI_LIBNAME_STATIC SAPI_LIBTOOL=libphp.la PHP_CONFIGURE_PART([Configuring SAPI modules]) esyscmd(./build/config-stubs sapi) dnl Show which main SAPI was selected. AC_MSG_CHECKING([for chosen SAPI module]) AC_MSG_RESULT([$PHP_SAPI]) dnl Show which binaries were selected. AC_MSG_CHECKING([for executable SAPI binaries]) AS_VAR_IF([PHP_BINARIES],, [AC_MSG_RESULT([none])], [AC_MSG_RESULT([$PHP_BINARIES])]) dnl Exit early. AS_VAR_IF([PHP_INSTALLED_SAPIS],, [AC_MSG_ERROR([Nothing to build.])]) dnl Add POSIX threads compilation and linker flags when thread safety is enabled dnl with either the '--enable-zts' configure option or automatically enabled by dnl PHP SAPIs. For example, Apache SAPI. AS_VAR_IF([enable_zts], [yes], [ if test -n "$ac_cv_pthreads_lib"; then LIBS="$LIBS -l$ac_cv_pthreads_lib" fi if test -n "$ac_cv_pthreads_cflags"; then CFLAGS="$CFLAGS $ac_cv_pthreads_cflags" fi PTHREADS_FLAGS ]) dnl Starting system checks. dnl ---------------------------------------------------------------------------- PHP_CONFIGURE_PART([Running system checks]) dnl Find sendmail binary. PHP_PROG_SENDMAIL dnl Check whether the system uses EBCDIC (not ASCII) as its native codeset. PHP_EBCDIC dnl Check whether the system byte ordering is bigendian. PHP_C_BIGENDIAN dnl Check whether writing to stdout works. PHP_TEST_WRITE_STDOUT dnl Check for /usr/pkg/{lib,include} which is where NetBSD puts binary and dnl source packages. This should be harmless on other OSs. if test -d /usr/pkg/include && test -d /usr/pkg/lib; then CPPFLAGS="$CPPFLAGS -I/usr/pkg/include" LDFLAGS="$LDFLAGS -L/usr/pkg/lib" fi test -d /usr/ucblib && PHP_ADD_LIBPATH([/usr/ucblib]) dnl First, library checks. dnl ---------------------------------------------------------------------------- AC_SEARCH_LIBS([socket], [socket network]) AC_CHECK_FUNCS([socketpair],, [AC_SEARCH_LIBS([socketpair], [socket network], [AC_DEFINE([HAVE_SOCKETPAIR], [1])])]) AC_SEARCH_LIBS([gethostbyaddr], [nsl network]) AC_SEARCH_LIBS([dlopen], [dl], [AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you have the 'dl' library (-ldl).])]) AC_SEARCH_LIBS([sin], [m]) case $host_alias in riscv64*) PHP_CHECK_FUNC(__atomic_exchange_1, atomic) ;; esac dnl Solaris/Illumos for process mapping. AC_SEARCH_LIBS([Pgrab], [proc]) dnl Haiku does not have network api in libc. AC_SEARCH_LIBS([setsockopt], [network]) dnl Check for openpty. It may require linking against libutil or libbsd. AC_CHECK_FUNCS([openpty],, [AC_SEARCH_LIBS([openpty], [util bsd], [AC_DEFINE([HAVE_OPENPTY], [1])])]) dnl Then headers. dnl ---------------------------------------------------------------------------- dnl QNX requires unix.h to allow functions in libunix to work properly. AC_CHECK_HEADERS(m4_normalize([ dirent.h sys/param.h sys/types.h sys/time.h netinet/in.h alloca.h arpa/inet.h arpa/nameser.h dns.h fcntl.h grp.h ieeefp.h langinfo.h linux/sock_diag.h poll.h pty.h pwd.h resolv.h strings.h syslog.h sysexits.h sys/ioctl.h sys/file.h sys/mman.h sys/mount.h sys/poll.h sys/resource.h sys/select.h sys/socket.h sys/stat.h sys/statfs.h sys/statvfs.h sys/vfs.h sys/sysexits.h sys/uio.h sys/wait.h sys/loadavg.h unistd.h unix.h utime.h sys/utsname.h sys/ipc.h dlfcn.h tmmintrin.h nmmintrin.h wmmintrin.h immintrin.h ]),,, [dnl #ifdef HAVE_SYS_PARAM_H #include #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_NAMESER_H #include #endif ]) PHP_FOPENCOOKIE PHP_BROKEN_GETCWD AS_VAR_IF([GCC], [yes], [PHP_BROKEN_GCC_STRLEN_OPT]) dnl Detect the headers required to use makedev, major, and minor. dnl Autoconf <= 2.69 didn't check glibc 2.25 deprecated macros in sys/types.h. m4_version_prereq([2.70],,[ac_cv_header_sys_types_h_makedev=no]) AC_HEADER_MAJOR dnl Checks for typedefs, structures, and compiler characteristics. dnl ---------------------------------------------------------------------------- AC_STRUCT_TIMEZONE PHP_MISSING_TIME_R_DECL AC_CHECK_TYPES([struct flock],,,[#include ]) AC_CHECK_TYPES([socklen_t], [], [], [ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_SYS_SOCKET_H # include #endif ]) dnl These are defined elsewhere than stdio.h. PHP_CHECK_SIZEOF([intmax_t], [0]) PHP_CHECK_SIZEOF([ssize_t], [8]) PHP_CHECK_SIZEOF([ptrdiff_t], [8]) dnl Check stdint types (must be after header check). PHP_CHECK_STDINT_TYPES dnl Check GNU C builtins. PHP_CHECK_BUILTIN([__builtin_clz]) PHP_CHECK_BUILTIN([__builtin_clzl]) PHP_CHECK_BUILTIN([__builtin_clzll]) PHP_CHECK_BUILTIN([__builtin_cpu_init]) PHP_CHECK_BUILTIN([__builtin_cpu_supports]) PHP_CHECK_BUILTIN([__builtin_ctzl]) PHP_CHECK_BUILTIN([__builtin_ctzll]) PHP_CHECK_BUILTIN([__builtin_expect]) PHP_CHECK_BUILTIN([__builtin_frame_address]) PHP_CHECK_BUILTIN([__builtin_saddl_overflow]) PHP_CHECK_BUILTIN([__builtin_saddll_overflow]) PHP_CHECK_BUILTIN([__builtin_smull_overflow]) PHP_CHECK_BUILTIN([__builtin_smulll_overflow]) PHP_CHECK_BUILTIN([__builtin_ssubl_overflow]) PHP_CHECK_BUILTIN([__builtin_ssubll_overflow]) PHP_CHECK_BUILTIN([__builtin_unreachable]) PHP_CHECK_BUILTIN([__builtin_usub_overflow]) dnl Check AVX512 PHP_CHECK_AVX512_SUPPORTS dnl Check AVX512 VBMI PHP_CHECK_AVX512_VBMI_SUPPORTS dnl Check for __alignof__ support in the compiler AC_CACHE_CHECK([whether the compiler supports __alignof__], [php_cv_have_alignof], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ int align = __alignof__(int); (void)align; ])], [php_cv_have_alignof=yes], [php_cv_have_alignof=no])]) AS_VAR_IF([php_cv_have_alignof], [yes], [AC_DEFINE([HAVE_ALIGNOF], [1], [Define to 1 if the compiler supports '__alignof__'.])]) dnl Check for structure members. AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include ]) AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_rdev]) dnl AC_STRUCT_ST_BLOCKS will screw QNX because fileblocks.o does not exist. if test "$(uname -s 2>/dev/null)" != "QNX"; then AC_STRUCT_ST_BLOCKS fi dnl Checks for types. AC_TYPE_UID_T dnl Checks for sockaddr_storage and sockaddr.sa_len. AC_CHECK_TYPES([struct sockaddr_storage],,,[#include ]) AC_CHECK_MEMBERS([struct sockaddr.sa_len],,,[#include ]) dnl Checks for GCC function attributes on all systems except ones without glibc dnl Fix for these systems is already included in GCC 7, but not on GCC 6. dnl dnl At least some versions of FreeBSD seem to have buggy ifunc support, see dnl bug #77284. Conservatively don't use ifuncs on FreeBSD prior to version 12. AS_CASE([$host_alias], [*-*-*android*|*-*-*uclibc*|*-*-*musl*|*openbsd*], [true], [ if test "$(uname -s 2>/dev/null)" != "FreeBSD" || test "$(uname -U 2>/dev/null)" -ge 1200000; then AX_GCC_FUNC_ATTRIBUTE([ifunc]) AX_GCC_FUNC_ATTRIBUTE([target]) fi ]) dnl Check for __attribute__ ((__aligned__)) support in the compiler. PHP_CHECK_VARIABLE_ATTRIBUTE([aligned]) dnl Checks for library functions. dnl ---------------------------------------------------------------------------- AC_CHECK_FUNCS(m4_normalize([ alphasort asctime_r asprintf chroot ctime_r explicit_memset fdatasync flock ftok funopen gai_strerror getcwd getgrnam_r gethostname getloadavg getlogin getprotobyname getprotobynumber getpwnam_r getpwuid_r getrusage getservbyname getservbyport gettimeofday getwd glob gmtime_r lchown localtime_r memcntl memfd_create memmem mempcpy memrchr mkstemp mmap nice nl_langinfo poll pthread_jit_write_protect_np putenv scandir setenv setitimer shutdown sigprocmask statfs statvfs std_syslog strcasecmp strnlen strptime strtok_r symlink tzset unsetenv usleep utime vasprintf ])) AC_CHECK_FUNC([inet_ntop],, [AC_MSG_FAILURE([Required inet_ntop not found.])]) AC_CHECK_FUNC([inet_pton],, [AC_MSG_FAILURE([Required inet_pton not found.])]) dnl Check for strerror_r, and if its a POSIX-compatible or a GNU specific version. AC_FUNC_STRERROR_R dnl Check for functions inside their belonging headers. AC_CHECK_HEADER([sys/prctl.h], [AC_CHECK_FUNCS([prctl])]) AC_CHECK_HEADER([sys/procctl.h], [AC_CHECK_FUNCS([procctl])]) AX_FUNC_WHICH_GETHOSTBYNAME_R dnl Some systems (Solaris 10) do not have nanosleep in libc. AC_CHECK_FUNCS([nanosleep],, [AC_SEARCH_LIBS([nanosleep], [rt], [AC_DEFINE([HAVE_NANOSLEEP], [1])])]) dnl Check for getaddrinfo, should be a better way, but... Also check for working dnl getaddrinfo. AC_CACHE_CHECK([for getaddrinfo], [php_cv_func_getaddrinfo], [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include ], [struct addrinfo *g,h;g=&h;getaddrinfo("","",g,&g);])], [AC_RUN_IFELSE([AC_LANG_SOURCE([ #include #include #include #include #ifndef AF_INET # include #endif int main(void) { struct addrinfo *ai, *pai, hints; memset(&hints, 0, sizeof(hints)); hints.ai_flags = AI_NUMERICHOST; if (getaddrinfo("127.0.0.1", 0, &hints, &ai) < 0) { return 1; } if (ai == 0) { return 1; } pai = ai; while (pai) { if (pai->ai_family != AF_INET) { /* 127.0.0.1/NUMERICHOST should only resolve ONE way */ return 1; } if (pai->ai_addr->sa_family != AF_INET) { /* 127.0.0.1/NUMERICHOST should only resolve ONE way */ return 1; } pai = pai->ai_next; } freeaddrinfo(ai); return 0; } ])], [php_cv_func_getaddrinfo=yes], [php_cv_func_getaddrinfo=no], [AS_CASE([$host_alias], [*linux*|*midipix], [php_cv_func_getaddrinfo=yes], [php_cv_func_getaddrinfo=no])])], [php_cv_func_getaddrinfo=no])]) AS_VAR_IF([php_cv_func_getaddrinfo], [yes], [AC_DEFINE([HAVE_GETADDRINFO], [1], [Define to 1 if you have the 'getaddrinfo' function.])]) dnl on FreeBSD, copy_file_range() works only with the undocumented flag 0x01000000; dnl until the problem is fixed properly, copy_file_range() is used only on Linux AC_CACHE_CHECK([for copy_file_range], [php_cv_func_copy_file_range], [AC_COMPILE_IFELSE([AC_LANG_SOURCE([ #ifndef __linux__ # error "unsupported platform" #endif #ifndef _GNU_SOURCE # define _GNU_SOURCE #endif #include #if LINUX_VERSION_CODE < KERNEL_VERSION(5,3,0) # error "kernel too old" #endif #include int main(void) { (void)copy_file_range(-1, 0, -1, 0, 0, 0); return 0; } ])], [php_cv_func_copy_file_range=yes], [php_cv_func_copy_file_range=no]) ]) AS_VAR_IF([php_cv_func_copy_file_range], [yes], [AC_DEFINE([HAVE_COPY_FILE_RANGE], [1], [Define to 1 if you have the 'copy_file_range' function.])]) AC_REPLACE_FUNCS([strlcat strlcpy explicit_bzero getopt]) AC_FUNC_ALLOCA PHP_TIME_R_TYPE AC_CACHE_CHECK([for aarch64 CRC32 API], [php_cv_func___crc32d], [AC_LINK_IFELSE([AC_LANG_PROGRAM([ #include # if defined(__GNUC__) # if!defined(__clang__) # pragma GCC push_options # pragma GCC target ("+nothing+crc") # elif defined(__APPLE__) # pragma clang attribute push(__attribute__((target("crc"))), apply_to=function) # else # pragma clang attribute push(__attribute__((target("+nothing+crc"))), apply_to=function) # endif # endif ], [__crc32d(0, 0);])], [php_cv_func___crc32d=yes], [php_cv_func___crc32d=no])]) AS_VAR_IF([php_cv_func___crc32d], [yes], [AC_DEFINE([HAVE_AARCH64_CRC32], [1], [Define to 1 when aarch64 CRC32 API is available.])]) dnl Check for asm goto support. AC_CACHE_CHECK([for asm goto], [php_cv_have__asm_goto], [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [ #if defined(__x86_64__) || defined(__i386__) __asm__ goto("jmp %l0\n" :::: end); #elif defined(__aarch64__) __asm__ goto("b %l0\n" :::: end); #endif end: return 0; ])], [php_cv_have__asm_goto=yes], [php_cv_have__asm_goto=no])]) AS_VAR_IF([php_cv_have__asm_goto], [yes], [AC_DEFINE([HAVE_ASM_GOTO], [1], [Define to 1 if asm goto support is available.])]) dnl Check Valgrind support. PHP_ARG_WITH([valgrind], [whether to enable Valgrind support], [AS_HELP_STRING([--with-valgrind], [Enable Valgrind support])], [no], [no]) AS_VAR_IF([PHP_VALGRIND], [no],, [ PKG_CHECK_MODULES([VALGRIND], [valgrind], [PHP_EVAL_INCLINE([$VALGRIND_CFLAGS]) AC_DEFINE([HAVE_VALGRIND], [1], [Define to 1 if Valgrind is enabled and supported.])]) save_CFLAGS=$CFLAGS CFLAGS="$CFLAGS $VALGRIND_CFLAGS" AC_CHECK_HEADERS([valgrind/cachegrind.h]) CFLAGS=$save_CFLAGS ]) dnl General settings. dnl ---------------------------------------------------------------------------- PHP_CONFIGURE_PART([General settings]) PHP_HELP_SEPARATOR([General settings:]) PHP_ARG_ENABLE([gcov], [whether to include gcov symbols], [AS_HELP_STRING([--enable-gcov], [Enable GCOV code coverage - FOR DEVELOPERS ONLY!!])], [no], [no]) AS_VAR_IF([PHP_GCOV], [yes], [ AS_VAR_IF([GCC], [yes],, [AC_MSG_ERROR([GNU C compatible compiler is required for --enable-gcov])]) dnl Check if ccache is being used. AS_CASE([$($php_shtool path $CC)], [*ccache*], [gcc_ccache=yes], [gcc_ccache=no]) if test "$gcc_ccache" = "yes" && (test -z "$CCACHE_DISABLE" || test "$CCACHE_DISABLE" != "1"); then AC_MSG_ERROR(m4_text_wrap([ ccache must be disabled when --enable-gcov option is used. You can disable ccache by setting environment variable CCACHE_DISABLE=1. ])) fi AC_DEFINE([HAVE_GCOV], [1], [Define to 1 if GCOV code coverage is enabled.]) PHP_ADD_MAKEFILE_FRAGMENT([$abs_srcdir/build/Makefile.gcov], [$abs_srcdir]) dnl Remove all optimization flags from CFLAGS. PHP_REMOVE_OPTIMIZATION_FLAGS dnl Add the special gcc flags. CFLAGS="$CFLAGS -O0 -fprofile-arcs -ftest-coverage" CXXFLAGS="$CXXFLAGS -O0 -fprofile-arcs -ftest-coverage" ]) PHP_ARG_ENABLE([debug], [whether to include debugging symbols], [AS_HELP_STRING([--enable-debug], [Compile with debugging symbols])], [no], [no]) AS_VAR_IF([PHP_DEBUG], [yes], [ PHP_DEBUG=1 ZEND_DEBUG=yes PHP_REMOVE_OPTIMIZATION_FLAGS dnl Add -O0 only if GCC or ICC is used. if test "$GCC" = "yes" || test "$ICC" = "yes"; then CFLAGS="$CFLAGS -O0" CXXFLAGS="$CXXFLAGS -g -O0" fi if test "$SUNCC" = "yes"; then if test -n "$auto_cflags"; then CFLAGS="-g" CXXFLAGS="-g" else CFLAGS="$CFLAGS -g" CXXFLAGS="$CFLAGS -g" fi fi ], [ PHP_DEBUG=0 ZEND_DEBUG=no ]) PHP_ARG_ENABLE([debug-assertions], [whether to enable debug assertions in release mode], [AS_HELP_STRING([--enable-debug-assertions], [Compile with debug assertions even in release mode])], [no], [no]) AS_VAR_IF([PHP_DEBUG_ASSERTIONS], [yes], [ PHP_DEBUG=1 ZEND_DEBUG=yes ]) AC_ARG_ENABLE([zts], [AS_HELP_STRING([--enable-zts], [Enable thread safety])], [ZEND_ZTS=$enableval], [ZEND_ZTS=no]) AS_VAR_IF([ZEND_ZTS], [yes], [PHP_THREAD_SAFETY=yes], [PHP_THREAD_SAFETY=no]) AS_VAR_IF([PHP_THREAD_SAFETY], [yes], [ AS_VAR_IF([pthreads_working], [yes], [], [AC_MSG_FAILURE(m4_text_wrap([ Unable to verify system support for POSIX Threads, which are required for PHP thread safety (ZTS) build. ]))]) AC_MSG_CHECKING([for POSIX threads]) AC_MSG_RESULT([yes]) ]) PHP_ARG_ENABLE([rtld-now], [whether to dlopen extensions with RTLD_NOW instead of RTLD_LAZY], [AS_HELP_STRING([--enable-rtld-now], [Use dlopen with RTLD_NOW instead of RTLD_LAZY])], [no], [no]) AS_VAR_IF([PHP_RTLD_NOW], [yes], [AC_DEFINE([PHP_USE_RTLD_NOW], [1], [Define to 1 if 'dlopen()' uses the 'RTLD_NOW' mode flag instead of 'RTLD_LAZY'.])]) PHP_ARG_WITH([layout], [layout of installed files], [AS_HELP_STRING([--with-layout=TYPE], [Set how installed files will be laid out. 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PHP_ARG_ENABLE([dtrace], [whether to enable DTrace support], [AS_HELP_STRING([--enable-dtrace], [Enable DTrace support])], [no], [no]) AS_VAR_IF([PHP_DTRACE], [yes], [ PHP_INIT_DTRACE([Zend/zend_dtrace.d], [Zend/zend_dtrace_gen.h], [ main/main.c Zend/zend_API.c Zend/zend_dtrace.c Zend/zend_exceptions.c Zend/zend_execute.c Zend/zend.c ]) AC_DEFINE([HAVE_DTRACE], [1], [Define to 1 if DTrace support is enabled.]) ]) AC_MSG_CHECKING([how big to make fd sets]) PHP_ARG_ENABLE([fd-setsize],, [AS_HELP_STRING([--enable-fd-setsize], [Set size of descriptor sets])], [no], [no]) AS_VAR_IF([PHP_FD_SETSIZE], [no], [AC_MSG_RESULT([using system default])], [ if test "0$PHP_FD_SETSIZE" -gt 0 2>/dev/null; then CPPFLAGS="$CPPFLAGS -DFD_SETSIZE=$PHP_FD_SETSIZE" AC_MSG_RESULT([using $PHP_FD_SETSIZE]) else AC_MSG_ERROR([Invalid value passed to --enable-fd-setsize!]) fi ]) PHP_ARG_ENABLE([werror],, [AS_HELP_STRING([--enable-werror], [Enable -Werror])], [no], [no]) PHP_ARG_ENABLE([memory-sanitizer],, [AS_HELP_STRING([--enable-memory-sanitizer], [Enable memory sanitizer (clang only)])], [no], [no]) PHP_ARG_ENABLE([address-sanitizer],, [AS_HELP_STRING([--enable-address-sanitizer], [Enable address sanitizer])], [no], [no]) PHP_ARG_ENABLE([undefined-sanitizer],, [AS_HELP_STRING([--enable-undefined-sanitizer], [Enable undefined sanitizer])], [no], [no]) dnl Extension configuration. dnl ---------------------------------------------------------------------------- PHP_HELP_SEPARATOR([[Extensions: --with-EXTENSION=[shared[,PATH]] NOTE: Not all extensions can be built as 'shared'. Example: --with-foobar=shared,/usr/local/foobar/ o Builds the foobar extension as shared extension. o foobar package install prefix is /usr/local/foobar/ ]]) PHP_CONFIGURE_PART([Configuring extensions]) dnl Check if all enabled by default extensions should be disabled. AC_ARG_ENABLE([all], [AS_HELP_STRING([--disable-all], [Disable all extensions which are enabled by default])], [PHP_ENABLE_ALL=$enableval]) dnl Reading config stubs. esyscmd(./build/config-stubs ext) dnl Extensions post-config. dnl ---------------------------------------------------------------------------- dnl Align segments on huge page boundary AS_CASE([$host_alias], [[i[3456]86-*-linux-* | x86_64-*-linux-*]], [AC_CACHE_CHECK([linker support for -zcommon-page-size=2097152], [php_cv_have_common_page_size], [ save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,-zcommon-page-size=2097152 -Wl,-zmax-page-size=2097152" AC_RUN_IFELSE([AC_LANG_PROGRAM()], [php_cv_have_common_page_size=yes], [php_cv_have_common_page_size=no], [php_cv_have_common_page_size=no]) LDFLAGS=$save_LDFLAGS]) AS_VAR_IF([php_cv_have_common_page_size], [yes], [EXTRA_LDFLAGS_PROGRAM="$EXTRA_LDFLAGS_PROGRAM -Wl,-zcommon-page-size=2097152 -Wl,-zmax-page-size=2097152"], [AC_CACHE_CHECK([linker support for -zmax-page-size=2097152], [php_cv_have_max_page_size], [ save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,-zmax-page-size=2097152" AC_RUN_IFELSE([AC_LANG_PROGRAM()], [php_cv_have_max_page_size=yes], [php_cv_have_max_page_size=no], [php_cv_have_max_page_size=no]) LDFLAGS=$save_LDFLAGS]) AS_VAR_IF([php_cv_have_max_page_size], [yes], [EXTRA_LDFLAGS_PROGRAM="$EXTRA_LDFLAGS_PROGRAM -Wl,-zmax-page-size=2097152"]) ]) ]) enable_shared=yes enable_static=yes case $php_sapi_module in shared[)] if test "$PHP_CGI" = "no" && test "$PHP_CLI" = "no" && test "$PHP_FPM" = "no" && test "$PHP_LITESPEED" = "no" && test "$PHP_PHPDBG" = "no"; then enable_static=no fi case $with_pic in yes) standard_libtool_flag='-prefer-pic' ;; no) standard_libtool_flag='-prefer-non-pic' ;; esac EXTRA_LDFLAGS="$EXTRA_LDFLAGS -avoid-version -module" ;; *[)] standard_libtool_flag='-prefer-non-pic -static' if test -z "$PHP_MODULES" && test -z "$PHP_ZEND_EX"; then enable_shared=no fi ;; esac EXTRA_LIBS="$EXTRA_LIBS $DLIBS $LIBS" unset LIBS dnl PEAR dnl ---------------------------------------------------------------------------- PHP_HELP_SEPARATOR([PEAR:]) PHP_CONFIGURE_PART([Configuring PEAR]) dnl If CLI is disabled disable PEAR. 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ZEND_MODULE_API_NO=$($EGREP '#define ZEND_MODULE_API_NO ' $srcdir/Zend/zend_modules.h|"${SED}" 's/#define ZEND_MODULE_API_NO //') AC_ARG_VAR([EXTENSION_DIR], [Default directory for dynamically loadable PHP extensions. If left empty, it is determined automatically. Can be overridden using the PHP 'extension_dir' INI directive.]) AS_VAR_IF([EXTENSION_DIR],, [ extbasedir=$ZEND_MODULE_API_NO AS_VAR_IF([oldstyleextdir], [yes], [ AS_VAR_IF([PHP_DEBUG], [1], [part1=debug], [part1=no-debug]) AS_VAR_IF([PHP_THREAD_SAFETY], [yes], [part2=zts], [part2=non-zts]) extbasedir=$part1-$part2-$extbasedir EXTENSION_DIR=$libdir/extensions/$extbasedir ], [ AS_VAR_IF([PHP_THREAD_SAFETY], [yes], [extbasedir=$extbasedir-zts]) AS_VAR_IF([PHP_DEBUG], [1], [extbasedir=$extbasedir-debug]) EXTENSION_DIR=$libdir/$extbasedir ]) ]) AS_CASE([$PHP_LAYOUT], [GNU], [datarootdir=$prefix/share], [datarootdir=$prefix/php]) dnl Expand all directory names for use in macros/constants. 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Either disable Valgrind (remove --with-valgrind) or disable address sanitizer (remove --enable-address-sanitizer). ]))]) AX_CHECK_COMPILE_FLAG([-fsanitize=address], [ CFLAGS="$CFLAGS -fsanitize=address -DZEND_TRACK_ARENA_ALLOC" CXXFLAGS="$CXXFLAGS -fsanitize=address -DZEND_TRACK_ARENA_ALLOC" ], [AC_MSG_ERROR([AddressSanitizer is not available])]) ]) AS_VAR_IF([PHP_UNDEFINED_SANITIZER], [yes], [AX_CHECK_COMPILE_FLAG([-fsanitize=undefined], [ CFLAGS="$CFLAGS -fsanitize=undefined -fno-sanitize-recover=undefined" CXXFLAGS="$CXXFLAGS -fsanitize=undefined -fno-sanitize-recover=undefined" AX_CHECK_COMPILE_FLAG([-fno-sanitize=object-size], [ dnl Disable object-size sanitizer, because it is incompatible with our zend_function dnl union, and this can't be easily fixed. CFLAGS="$CFLAGS -fno-sanitize=object-size" CXXFLAGS="$CFLAGS -fno-sanitize=object-size" ]) dnl Clang 17 adds stricter function pointer compatibility checks where pointer args cannot be dnl cast to void*. In that case, set -fno-sanitize=function. OLD_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -fno-sanitize-recover=undefined" AC_CACHE_CHECK([whether to add -fno-sanitize=function], [php_cv_ubsan_no_function], [AC_RUN_IFELSE([AC_LANG_SOURCE([ void foo(char *string) { (void)string; } int main(void) { void (*f)(void *) = (void (*)(void *))foo; f("foo"); return 0; } ])], [php_cv_ubsan_no_function=no], [php_cv_ubsan_no_function=yes], [php_cv_ubsan_no_function=no])]) CFLAGS=$OLD_CFLAGS AS_VAR_IF([php_cv_ubsan_no_function], [yes], [ CFLAGS="$CFLAGS -fno-sanitize=function" CXXFLAGS="$CFLAGS -fno-sanitize=function" ]) ], [AC_MSG_ERROR([UndefinedBehaviorSanitizer is not available])]) ]) if test "$PHP_MEMORY_SANITIZER" = "yes" || test "$PHP_ADDRESS_SANITIZER" = "yes" || test "$PHP_UNDEFINED_SANITIZER" = "yes"; then CFLAGS="$CFLAGS -fno-omit-frame-pointer" CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer" fi dnl dnl Libtool creation. dnl PHP_HELP_SEPARATOR([Libtool:]) PHP_CONFIGURE_PART([Configuring libtool]) dnl Silence warning: "ar: 'u' modifier ignored since 'D' is the default". dnl See https://github.com/php/php-src/pull/3017 AC_SUBST([AR_FLAGS], [cr]) dnl Only allow AC_PROG_CXX and AC_PROG_CXXCPP if they are explicitly called (by dnl PHP_REQUIRE_CXX). Otherwise AC_PROG_LIBTOOL fails if there is no working C++ dnl compiler. AC_PROVIDE_IFELSE([PHP_REQUIRE_CXX], [], [ undefine([AC_PROG_CXX]) AC_DEFUN([AC_PROG_CXX], []) undefine([AC_PROG_CXXCPP]) AC_DEFUN([AC_PROG_CXXCPP], [php_prog_cxxcpp=disabled]) ]) AC_PROG_LIBTOOL PHP_SET_LIBTOOL_VARIABLE([--silent]) dnl libtool 1.4.3 needs this. PHP_SET_LIBTOOL_VARIABLE([--preserve-dup-deps]) PHP_CONFIGURE_PART([Generating files]) CXXFLAGS_CLEAN=$CXXFLAGS CFLAGS_CLEAN="$CFLAGS \$(PROF_FLAGS)" CFLAGS="\$(CFLAGS_CLEAN) $standard_libtool_flag" CXXFLAGS="$CXXFLAGS $standard_libtool_flag \$(PROF_FLAGS)" if test "$PHP_PHAR" != "no" && test "$PHP_CLI" != "no"; then pharcmd=pharcmd pharcmd_install=install-pharcmd else pharcmd= pharcmd_install= fi; all_targets="\$(OVERALL_TARGET) \$(PHP_MODULES) \$(PHP_ZEND_EX) \$(PHP_BINARIES) $pharcmd" install_targets="$install_sapi $install_modules $install_binaries install-build install-headers install-programs $install_pear $pharcmd_install" PHP_SUBST([all_targets]) PHP_SUBST([install_targets]) PHP_SUBST([install_binary_targets]) PHP_INSTALL_HEADERS([Zend/ TSRM/ main/ main/streams/]) PHP_INSTALL_HEADERS([Zend/Optimizer], m4_normalize([ zend_call_graph.h zend_cfg.h zend_dfg.h zend_dump.h zend_func_info.h zend_inference.h zend_optimizer.h zend_ssa.h zend_worklist.h ])) PHP_ADD_SOURCES([TSRM], [TSRM.c], [-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1]) PHP_ADD_SOURCES([main], m4_normalize([ explicit_bzero.c fopen_wrappers.c getopt.c main.c network.c output.c php_content_types.c php_ini_builder.c php_ini.c php_odbc_utils.c php_open_temporary_file.c php_scandir.c php_syslog.c php_ticks.c php_variables.c reentrancy.c rfc1867.c safe_bcmp.c SAPI.c snprintf.c spprintf.c strlcat.c strlcpy.c ]), [-DZEND_ENABLE_STATIC_TSRMLS_CACHE=1]) if printf "#if __ELF__\nelf\n#endif\n" | $CC -E - | grep elf > /dev/null; then PHP_ADD_SOURCES([main], [debug_gdb_scripts.c]) cat >> Makefile.objects < header file.]) PHP_ADD_BUILD_DIR([ main main/streams scripts scripts/man1 TSRM Zend Zend/asm Zend/Optimizer ]) AC_CONFIG_FILES([ main/build-defs.h scripts/man1/php-config.1 scripts/man1/phpize.1 scripts/php-config scripts/phpize ]) AC_CONFIG_COMMANDS_PRE([PHP_PATCH_CONFIG_HEADERS([main/php_config.h.in])]) AC_CONFIG_COMMANDS([Zend/zend_config.h], [ cat >Zend/zend_config.h < FEO ]) AC_CONFIG_COMMANDS([main/internal_functions.c], [], [ AWK="$AWK" $SHELL $srcdir/build/genif.sh \ $srcdir/main/internal_functions.c.in \ "$EXT_STATIC" > main/internal_functions.c ]) AC_CONFIG_COMMANDS([main/internal_functions_cli.c], [], [ AWK="$AWK" $SHELL $srcdir/build/genif.sh \ $srcdir/main/internal_functions.c.in \ "$EXT_CLI_STATIC" > main/internal_functions_cli.c ]) AC_CONFIG_COMMANDS([default], [ cat <