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configure.ac
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configure.ac
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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 <stdlib.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#include <string.h>
#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 <sys/param.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_NAMESER_H
#include <arpa/nameser.h>
#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 <fcntl.h>])
AC_CHECK_TYPES([socklen_t], [], [], [
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#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 <time.h>])
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 <sys/socket.h>])
AC_CHECK_MEMBERS([struct sockaddr.sa_len],,,[#include <sys/socket.h>])
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 <netdb.h>],
[struct addrinfo *g,h;g=&h;getaddrinfo("","",g,&g);])],
[AC_RUN_IFELSE([AC_LANG_SOURCE([
#include <netdb.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#ifndef AF_INET
# include <sys/socket.h>
#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 <linux/version.h>
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,3,0)
# error "kernel too old"
#endif
#include <unistd.h>
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 <arm_acle.h>
# 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=$enableval],
[ZEND_ZTS=no])
AS_VAR_IF([ZEND_ZTS], [yes], [PHP_THREAD_SAFETY=yes], [PHP_THREAD_SAFETY=no])
AS_VAR_IF([PHP_THREAD_SAFETY], [yes], [
AS_VAR_IF([pthreads_working], [yes], [],
[AC_MSG_FAILURE(m4_text_wrap([
Unable to verify system support for POSIX Threads, which are required for
PHP thread safety (ZTS) build.
]))])
AC_MSG_CHECKING([for POSIX threads])
AC_MSG_RESULT([yes])
])
PHP_ARG_ENABLE([rtld-now],
[whether to dlopen extensions with RTLD_NOW instead of RTLD_LAZY],
[AS_HELP_STRING([--enable-rtld-now],
[Use dlopen with RTLD_NOW instead of RTLD_LAZY])],
[no],
[no])
AS_VAR_IF([PHP_RTLD_NOW], [yes],
[AC_DEFINE([PHP_USE_RTLD_NOW], [1],
[Define to 1 if 'dlopen()' uses the 'RTLD_NOW' mode flag instead of
'RTLD_LAZY'.])])
PHP_ARG_WITH([layout],
[layout of installed files],
[AS_HELP_STRING([--with-layout=TYPE],
[Set how installed files will be laid out. Type can be either PHP or GNU [PHP]])],
[PHP],
[no])
AS_CASE([$PHP_LAYOUT], [GNU], [oldstyleextdir=no], [oldstyleextdir=yes])
PHP_ARG_WITH([config-file-path],
[path to configuration file],
[AS_HELP_STRING([--with-config-file-path=PATH],
[Set the path in which to look for php.ini [PREFIX/lib]])],
[DEFAULT],
[no])
AS_VAR_IF([PHP_CONFIG_FILE_PATH], [DEFAULT],
[AS_CASE([$PHP_LAYOUT],
[GNU], [PHP_CONFIG_FILE_PATH=$sysconfdir],
[PHP_CONFIG_FILE_PATH=$libdir])])
AC_MSG_CHECKING([where to scan for configuration files])
PHP_ARG_WITH([config-file-scan-dir],,
[AS_HELP_STRING([--with-config-file-scan-dir=PATH],
[Set the path where to scan for configuration files])],
[DEFAULT],
[no])
AS_VAR_IF([PHP_CONFIG_FILE_SCAN_DIR], [DEFAULT], [PHP_CONFIG_FILE_SCAN_DIR=])
AC_MSG_RESULT([$PHP_CONFIG_FILE_SCAN_DIR])
PHP_ARG_ENABLE([sigchild],
[whether to enable PHP's own SIGCHLD handler],
[AS_HELP_STRING([--enable-sigchild],
[Enable PHP's own SIGCHLD handler])],
[no],
[no])
AH_TEMPLATE([PHP_SIGCHILD],
[Define to 1 if PHP uses its own SIGCHLD handler, and to 0 if not.])
AS_VAR_IF([PHP_SIGCHILD], [yes],
[AC_DEFINE([PHP_SIGCHILD], [1])],
[AC_DEFINE([PHP_SIGCHILD], [0])])
PHP_ARG_ENABLE([libgcc],
[whether to explicitly link against libgcc],
[AS_HELP_STRING([--enable-libgcc],
[Enable explicitly linking against libgcc])],
[no],
[no])
AS_VAR_IF([PHP_LIBGCC], [yes], [
PHP_LIBGCC_LIBPATH([gcc])
AS_VAR_IF([libgcc_libpath],,
[AC_MSG_ERROR([Cannot locate libgcc. Make sure that gcc is in your path])])
PHP_ADD_LIBPATH([$libgcc_libpath])
PHP_ADD_LIBRARY([gcc], [yes])
])
PHP_ARG_ENABLE([short-tags],
[whether to enable short tags by default],
[AS_HELP_STRING([--disable-short-tags],
[Disable the short-form <? start tag by default])],
[yes],
[no])
AH_TEMPLATE([DEFAULT_SHORT_OPEN_TAG],
[Define to string "1" if PHP short open tags '<?' are enabled by default, and
to string "0" if they are not.])
AS_VAR_IF([PHP_SHORT_TAGS], [yes],
[AC_DEFINE([DEFAULT_SHORT_OPEN_TAG], ["1"])],
[AC_DEFINE([DEFAULT_SHORT_OPEN_TAG], ["0"])])
PHP_ARG_ENABLE([dmalloc],
[whether to enable dmalloc],
[AS_HELP_STRING([--enable-dmalloc],
[Enable dmalloc])],
[no],
[no])
AS_VAR_IF([PHP_DMALLOC], [yes],
[AC_CHECK_LIB([dmalloc], [dmalloc_error],
[PHP_ADD_LIBRARY([dmalloc])
AC_DEFINE([HAVE_DMALLOC], [1], [Define to 1 if you have dmalloc.])
AS_VAR_APPEND([CPPFLAGS], [" -DDMALLOC_FUNC_CHECK"])],
[AC_MSG_FAILURE([The dmalloc check failed. Cannot enable dmalloc.])])])
PHP_ARG_ENABLE([ipv6],
[whether to enable IPv6 support],
[AS_HELP_STRING([--disable-ipv6],
[Disable IPv6 support])],
[yes],
[no])
AS_VAR_IF([PHP_IPV6], [yes],
[AC_CACHE_CHECK([for IPv6 support], [php_cv_have_ipv6],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
], [[
struct sockaddr_in6 s;
struct in6_addr t = in6addr_any;
int i = AF_INET6;
(void)s;
t.s6_addr[0] = 0;
(void)i;
]])],
[php_cv_have_ipv6=yes],
[php_cv_have_ipv6=no])])
])
AS_VAR_IF([php_cv_have_ipv6], [yes],
[AC_DEFINE([HAVE_IPV6], [1],
[Define to 1 if IPv6 is enabled and supported.])])
dnl DTRACE checks. Note: this has to be done after SAPI configuration.
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])