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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([TSRM/tsrm.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_IF([test -z "$PHP_EXTRA_VERSION"],[PHP_EXTRA_VERSION=[$]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 + [$]PHP_RELEASE_VERSION`
dnl Allow version values to be used in Makefile.
PHP_SUBST(PHP_MAJOR_VERSION)
PHP_SUBST(PHP_MINOR_VERSION)
PHP_SUBST(PHP_RELEASE_VERSION)
PHP_SUBST(PHP_EXTRA_VERSION)
dnl Define where extension directories are located in the configure context.
AC_DEFUN([PHP_EXT_BUILDDIR],[$config_m4_dir])dnl
AC_DEFUN([PHP_EXT_DIR],[$config_m4_dir])dnl
AC_DEFUN([PHP_EXT_SRCDIR],[$abs_srcdir/$config_m4_dir])dnl
AC_DEFUN([PHP_ALWAYS_SHARED],[])dnl
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 $srcdir/main/php_version.h && \
echo 'Updated main/php_version.h'
else
rm -f php_version.h.new
fi
dnl Settings we want to make before the checks.
dnl ----------------------------------------------------------------------------
php_shtool=$srcdir/build/shtool
T_MD=`$php_shtool echo -n -e %B`
T_ME=`$php_shtool echo -n -e %b`
PHP_INIT_BUILD_SYSTEM
dnl We want this one before the checks, so the checks can modify CFLAGS.
test -z "$CFLAGS" && auto_cflags=1
abs_srcdir=`(cd $srcdir; pwd)`
abs_builddir=`pwd`
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.
$php_shtool mkdir -p libs
rm -f libs/*
dnl Checks for programs.
dnl ----------------------------------------------------------------------------
PKG_PROG_PKG_CONFIG
AC_PROG_CC([cc gcc])
PHP_DETECT_ICC
PHP_DETECT_SUNCC
dnl AC_PROG_CC_C99 is obsolete with autoconf >= 2.70 yet necessary for <= 2.69.
m4_version_prereq([2.70],,[AC_PROG_CC_C99])
AC_PROG_CPP
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_LN_S
if test "$cross_compiling" = yes ; then
AC_MSG_CHECKING(for native build C compiler)
AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)
AC_MSG_RESULT($BUILD_CC)
else
BUILD_CC=$CC
fi
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_AWK
PHP_PROG_BISON([3.0.0])
PHP_PROG_RE2C([1.0.3])
PHP_PROG_PHP()
PHP_ARG_ENABLE([re2c-cgoto],
[whether to enable computed goto gcc extension with re2c],
[AS_HELP_STRING([--enable-re2c-cgoto],
[Enable -g flag to re2c to use computed goto gcc extension])],
[no],
[no])
if test "$PHP_RE2C_CGOTO" = "no"; then
RE2C_FLAGS=""
else
AC_MSG_CHECKING([whether re2c -g works])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[
int main(int argc, const char **argv)
{
argc = argc;
argv = argv;
label1:
label2:
static void *adr[] = { &&label1, &&label2};
goto *adr[0];
return 0;
}
]])],[
RE2C_FLAGS=""
AC_MSG_RESULT([no])
],[
RE2C_FLAGS="-g"
AC_MSG_RESULT([yes])
])
fi
PHP_SUBST(RE2C_FLAGS)
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 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"
;;
*mips*)
CPPFLAGS="$CPPFLAGS -D_XPG_IV"
;;
*hpux*)
if test "$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 "$with_pic" = "no"; then
with_pic=no
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
;;
*)
AC_MSG_RESULT(no)
;;
esac
dnl Detect musl libc
AC_MSG_CHECKING([whether we are using musl libc])
if command -v ldd >/dev/null && ldd --version 2>&1 | grep -q ^musl
then
AC_MSG_RESULT(yes)
AC_DEFINE([__MUSL__], [1], [Define when using musl libc])
else
AC_MSG_RESULT(no)
fi
dnl The effect of _GNU_SOURCE defined in config.h depeds on includes order
if test "$ac_cv_safe_to_define___extensions__" = yes ; then
AC_MSG_CHECKING(whether to use -D_GNU_SOURCE cflag)
CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
AC_MSG_RESULT(yes)
fi
dnl Include Zend configurations.
dnl ----------------------------------------------------------------------------
sinclude(Zend/Zend.m4)
dnl ----------------------------------------------------------------------------
PTHREADS_CHECK
PHP_HELP_SEPARATOR([SAPI modules:])
PHP_SHLIB_SUFFIX_NAMES
PHP_BUILD_PROGRAM
PHP_SAPI=none
dnl SAPI configuration.
dnl ----------------------------------------------------------------------------
dnl Paths to the targets are relative to the build directory.
SAPI_SHARED=libs/libphp.[]$SHLIB_DL_SUFFIX_NAME
SAPI_STATIC=libs/libphp.a
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([$PHP_SAPI])
dnl Show which binaries were selected.
AC_MSG_CHECKING([for executable SAPI binaries])
if test "$PHP_BINARIES"; then
AC_MSG_RESULT([$PHP_BINARIES])
else
AC_MSG_RESULT([none])
fi
dnl Exit early.
if test -z "$PHP_INSTALLED_SAPIS"; then
AC_MSG_ERROR([Nothing to build.])
fi
dnl Force ZTS.
if test "$enable_zts" = "yes"; then
dnl Add pthreads linker and compiler flags.
if test -n "$ac_cv_pthreads_lib"; then
LIBS="$LIBS -l$ac_cv_pthreads_lib"
fi
if test -n "$ac_cv_pthreads_cflags"; then
CFLAGS="$CFLAGS $ac_cv_pthreads_cflags"
fi
PTHREADS_FLAGS
fi
dnl Starting system checks.
dnl ----------------------------------------------------------------------------
PHP_CONFIGURE_PART(Running system checks)
dnl Find sendmail binary.
PHP_PROG_SENDMAIL
dnl Check whether the system uses EBCDIC (not ASCII) as its native codeset.
PHP_EBCDIC
dnl Check whether the system byte ordering is bigendian.
PHP_C_BIGENDIAN
dnl Check whether writing to stdout works.
PHP_TEST_WRITE_STDOUT
dnl Check for /usr/pkg/{lib,include} which is where NetBSD puts binary and
dnl source packages. This should be harmless on other OSs.
if test -d /usr/pkg/include -a -d /usr/pkg/lib ; then
CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
LDFLAGS="$LDFLAGS -L/usr/pkg/lib"
fi
test -d /usr/ucblib && PHP_ADD_LIBPATH(/usr/ucblib)
dnl First, library checks.
dnl ----------------------------------------------------------------------------
dnl Some systems (OpenServer 5) dislike -lsocket -lnsl, so we try to avoid -lnsl
dnl checks, if we already have the functions which are usually in libnsl. Also,
dnl uClibc will bark at linking with glibc's libnsl.
PHP_CHECK_FUNC(socket, socket, network)
PHP_CHECK_FUNC(socketpair, socket, network)
PHP_CHECK_FUNC(htonl, socket, network)
PHP_CHECK_FUNC(gethostname, nsl, network)
PHP_CHECK_FUNC(gethostbyaddr, nsl, network)
PHP_CHECK_FUNC(dlopen, dl, root)
PHP_CHECK_FUNC(dlsym, dl, root)
if test "$ac_cv_func_dlopen" = "yes"; then
AC_DEFINE(HAVE_LIBDL, 1, [ ])
fi
AC_CHECK_LIB(m, sin)
case $host_alias in
riscv64*)
PHP_CHECK_FUNC(__atomic_exchange_1, atomic)
;;
esac
dnl Check for inet_aton in -lc, -lbind and -lresolv.
PHP_CHECK_FUNC(inet_aton, resolv, bind)
dnl Then headers.
dnl ----------------------------------------------------------------------------
dnl QNX requires unix.h to allow functions in libunix to work properly.
AC_CHECK_HEADERS([ \
stdint.h \
dirent.h \
sys/param.h \
sys/types.h \
sys/time.h \
netinet/in.h \
alloca.h \
arpa/inet.h \
arpa/nameser.h \
dns.h \
fcntl.h \
grp.h \
ieeefp.h \
langinfo.h \
linux/sock_diag.h \
malloc.h \
os/signpost.h \
poll.h \
pty.h \
pwd.h \
resolv.h \
strings.h \
syslog.h \
sysexits.h \
sys/ioctl.h \
sys/file.h \
sys/mman.h \
sys/mount.h \
sys/poll.h \
sys/procctl.h \
sys/resource.h \
sys/select.h \
sys/socket.h \
sys/stat.h \
sys/statfs.h \
sys/statvfs.h \
sys/vfs.h \
sys/sysexits.h \
sys/uio.h \
sys/wait.h \
sys/loadavg.h \
unistd.h \
unix.h \
utime.h \
sys/utsname.h \
sys/ipc.h \
dlfcn.h \
tmmintrin.h \
nmmintrin.h \
wmmintrin.h \
immintrin.h
],[],[],[
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_NAMESER_H
#include <arpa/nameser.h>
#endif
])
PHP_FOPENCOOKIE
PHP_BROKEN_GETCWD
if test "$GCC" = "yes"; then
PHP_BROKEN_GCC_STRLEN_OPT
fi
dnl Checks for typedefs, structures, and compiler characteristics.
dnl ----------------------------------------------------------------------------
AC_STRUCT_TIMEZONE
PHP_MISSING_TIME_R_DECL
PHP_MISSING_FCLOSE_DECL
PHP_STRUCT_FLOCK
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 __builtin_expect
PHP_CHECK_BUILTIN_EXPECT
dnl Check __builtin_unreachable
PHP_CHECK_BUILTIN_UNREACHABLE
dnl Check __builtin_clz
PHP_CHECK_BUILTIN_CLZ
dnl Check __builtin_clzl
PHP_CHECK_BUILTIN_CLZL
dnl Check __builtin_clzll
PHP_CHECK_BUILTIN_CLZLL
dnl Check __builtin_ctzl
PHP_CHECK_BUILTIN_CTZL
dnl Check __builtin_ctzll
PHP_CHECK_BUILTIN_CTZLL
dnl Check __builtin_smull_overflow
PHP_CHECK_BUILTIN_SMULL_OVERFLOW
dnl Check __builtin_smulll_overflow
PHP_CHECK_BUILTIN_SMULLL_OVERFLOW
dnl Check __builtin_saddl_overflow
PHP_CHECK_BUILTIN_SADDL_OVERFLOW
dnl Check __builtin_saddll_overflow
PHP_CHECK_BUILTIN_SADDLL_OVERFLOW
dnl Check __builtin_usub_overflow
PHP_CHECK_BUILTIN_USUB_OVERFLOW
dnl Check __builtin_ssubl_overflow
PHP_CHECK_BUILTIN_SSUBL_OVERFLOW
dnl Check __builtin_ssubll_overflow
PHP_CHECK_BUILTIN_SSUBLL_OVERFLOW
dnl Check __builtin_cpu_init
PHP_CHECK_BUILTIN_CPU_INIT
dnl Check __builtin_cpu_supports
PHP_CHECK_BUILTIN_CPU_SUPPORTS
dnl Check __builtin_frame_address
PHP_CHECK_BUILTIN_FRAME_ADDRESS
dnl Check prctl
PHP_CHECK_PRCTL
dnl Check procctl
PHP_CHECK_PROCCTL
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__, ac_cv_alignof_exists,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
]],[[
int align = __alignof__(int);
]])],[
ac_cv_alignof_exists=yes
],[
ac_cv_alignof_exists=no
])])
if test "$ac_cv_alignof_exists" = "yes"; then
AC_DEFINE([HAVE_ALIGNOF], 1, [whether the compiler supports __alignof__])
fi
dnl Check for structure members.
AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_rdev])
dnl AC_STRUCT_ST_BLOCKS will screw QNX because fileblocks.o does not exist.
if test "`uname -s 2>/dev/null`" != "QNX"; then
AC_STRUCT_ST_BLOCKS
fi
dnl Checks for types.
AC_TYPE_UID_T
dnl Checks for sockaddr_storage and sockaddr.sa_len.
PHP_SOCKADDR_CHECKS
dnl Checks for GCC function attributes on all systems except ones without glibc
dnl Fix for these systems is already included in GCC 7, but not on GCC 6.
dnl
dnl At least some versions of FreeBSD seem to have buggy ifunc support, see
dnl bug #77284. Conservatively don't use ifuncs on FreeBSD prior to version 12.
AS_CASE([$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 IPv6 support.
AC_CACHE_CHECK([for IPv6 support], ac_cv_ipv6_support,
[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; s; t.s6_addr[0] = 0;]])],
[ac_cv_ipv6_support=yes], [ac_cv_ipv6_support=no])])
dnl Checks for library functions.
dnl ----------------------------------------------------------------------------
AC_CHECK_FUNCS(
alphasort \
asctime_r \
chroot \
ctime_r \
explicit_memset \
fdatasync \
flock \
ftok \
funopen \
gai_strerror \
getcwd \
getloadavg \
getlogin \
getprotobyname \
getprotobynumber \
getservbyname \
getservbyport \
getrusage \
gettimeofday \
gmtime_r \
getpwnam_r \
getgrnam_r \
getpwuid_r \
getwd \
glob \
inet_pton \
localtime_r \
lchown \
memcntl \
memmove \
mkstemp \
mmap \
nice \
nl_langinfo \
poll \
pthread_jit_write_protect_np \
putenv \
scandir \
setitimer \
setenv \
shutdown \
sigprocmask \
statfs \
statvfs \
std_syslog \
strcasecmp \
strnlen \
strptime \
strtok_r \
symlink \
tzset \
unsetenv \
usleep \
utime \
vasprintf \
asprintf \
nanosleep \
memmem \
memrchr \
mempcpy \
)
AC_CHECK_FUNCS(inet_ntop,[],[
AC_MSG_ERROR([Cannot find inet_ntop which is required])
]
)
dnl Check for strerror_r, and if its a POSIX-compatible or a GNU specific version.
AC_FUNC_STRERROR_R
AX_FUNC_WHICH_GETHOSTBYNAME_R
dnl Some systems (like OpenSolaris) do not have nanosleep in libc.
PHP_CHECK_FUNC_LIB(nanosleep, rt)
dnl Haiku does not have network api in libc.
PHP_CHECK_FUNC_LIB(setsockopt, network)
dnl Solaris/Illumos for process mapping.
PHP_CHECK_FUNC_LIB(Pgrab, proc)
dnl Check for getaddrinfo, should be a better way, but... Also check for working
dnl getaddrinfo.
AC_CACHE_CHECK([for getaddrinfo], ac_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;
}
]])],[ac_cv_func_getaddrinfo=yes], [ac_cv_func_getaddrinfo=no], [
dnl Cross compilation.
case $host_alias in
*linux*)
ac_cv_func_getaddrinfo=yes
;;
*)
ac_cv_func_getaddrinfo=no
;;
esac
])],
[ac_cv_func_getaddrinfo=no])])
if test "$ac_cv_func_getaddrinfo" = yes; then
AC_DEFINE(HAVE_GETADDRINFO,1,[Define if you have the getaddrinfo function])
fi
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], ac_cv_copy_file_range,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
#ifdef __linux__
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <linux/version.h>
#include <unistd.h>
int main(void) {
(void)copy_file_range(-1, 0, -1, 0, 0, 0);
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,3,0)
#error "kernel too old"
#else
return 0;
#endif
}
#else
#error "unsupported platform"
#endif
]])], [ac_cv_copy_file_range=yes], [ac_cv_copy_file_range=no], [ac_cv_copy_file_range=no])
])
if test "$ac_cv_copy_file_range" = yes; then
AC_DEFINE(HAVE_COPY_FILE_RANGE,1,[Define if copy_file_range support])
fi
AC_REPLACE_FUNCS(strlcat strlcpy explicit_bzero getopt)
AC_FUNC_ALLOCA
PHP_TIME_R_TYPE
AC_CACHE_CHECK([for aarch64 CRC32 API], ac_cv_func___crc32d,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <arm_acle.h>]],[[__crc32d(0, 0);]])],[ac_cv_func___crc32d=yes],[ac_cv_func___crc32d="no"])])
if test "$ac_cv_func___crc32d" = "yes"; then
AC_DEFINE([HAVE_AARCH64_CRC32], [1], [Define when aarch64 CRC32 API is available.])
fi
dnl Check for asm goto support.
AC_CACHE_CHECK([for asm goto], ac_cv__asm_goto,
[AC_RUN_IFELSE([AC_LANG_SOURCE([[
int main(void) {
#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;
}
]])], [ac_cv__asm_goto=yes], [ac_cv__asm_goto=no], [
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
int main(void) {
#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;
}
]])], [ac_cv__asm_goto=yes], [ac_cv__asm_goto=no])
])])
if test "$ac_cv__asm_goto" = yes; then
AC_DEFINE(HAVE_ASM_GOTO,1,[Define if asm goto support])
fi
dnl Check valgrind support.
PHP_ARG_WITH([valgrind],
[whether to enable valgrind support],
[AS_HELP_STRING([--with-valgrind],
[Enable valgrind support])],
[no],
[no])
if test "$PHP_VALGRIND" != "no"; then
PKG_CHECK_MODULES([VALGRIND], [valgrind], [have_valgrind="yes"], [have_valgrind="no"])
if test "$have_valgrind" = "yes"; then
PHP_EVAL_INCLINE($VALGRIND_CFLAGS)
AC_DEFINE(HAVE_VALGRIND, 1, [ ])
else
if test "$with_valgrind" = "yes"; then
AC_MSG_ERROR([Valgrind not found. Please install Valgrind.])
fi
fi
fi
dnl Check for openpty. It may require linking against libutil or libbsd.
PHP_CHECK_FUNC(openpty, util, bsd)
dnl General settings.
dnl ----------------------------------------------------------------------------
PHP_CONFIGURE_PART(General settings)
PHP_HELP_SEPARATOR([General settings:])
PHP_ARG_ENABLE([gcov],
[whether to include gcov symbols],
[AS_HELP_STRING([--enable-gcov],
[Enable GCOV code coverage - FOR DEVELOPERS ONLY!!])],
[no],
[no])
if test "$PHP_GCOV" = "yes"; then
if test "$GCC" != "yes"; then
AC_MSG_ERROR([GCC is required for --enable-gcov])
fi
dnl Check if ccache is being used.
case `$php_shtool path $CC` in
*ccache*[)] gcc_ccache=yes;;
*[)] gcc_ccache=no;;
esac
if test "$gcc_ccache" = "yes" && (test -z "$CCACHE_DISABLE" || test "$CCACHE_DISABLE" != "1"); then
AC_MSG_ERROR([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, [Whether you have gcov])
PHP_ADD_MAKEFILE_FRAGMENT($abs_srcdir/build/Makefile.gcov, $abs_srcdir)
dnl Remove all optimization flags from CFLAGS.
changequote({,})
CFLAGS=`echo "$CFLAGS" | "${SED}" -e 's/-O[0-9s]*//g'`
CXXFLAGS=`echo "$CXXFLAGS" | "${SED}" -e 's/-O[0-9s]*//g'`
changequote([,])
dnl Add the special gcc flags.
CFLAGS="$CFLAGS -O0 -fprofile-arcs -ftest-coverage"
CXXFLAGS="$CXXFLAGS -O0 -fprofile-arcs -ftest-coverage"
fi
PHP_ARG_ENABLE([debug],
[whether to include debugging symbols],
[AS_HELP_STRING([--enable-debug],
[Compile with debugging symbols])],
[no],
[no])
if test "$PHP_DEBUG" = "yes"; then
PHP_DEBUG=1
ZEND_DEBUG=yes
changequote({,})
CFLAGS=`echo "$CFLAGS" | "${SED}" -e 's/-O[0-9s]*//g'`
CXXFLAGS=`echo "$CXXFLAGS" | "${SED}" -e 's/-O[0-9s]*//g'`
changequote([,])
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
else
PHP_DEBUG=0
ZEND_DEBUG=no
fi
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])
if test "$PHP_DEBUG_ASSERTIONS" = "yes"; then
PHP_DEBUG=1
ZEND_DEBUG=yes
fi
AC_ARG_ENABLE([zts],
[AS_HELP_STRING([--enable-zts],
[Enable thread safety])],
[ZEND_ZTS=$enableval],
[ZEND_ZTS=no])
if test "$ZEND_ZTS" = "yes"; then
AC_DEFINE(ZTS, 1,[ ])
PHP_THREAD_SAFETY=yes
else
PHP_THREAD_SAFETY=no
fi
PHP_ARG_ENABLE([rtld-now],
[whether to dlopen extensions with RTLD_NOW instead of RTLD_LAZY],
[AS_HELP_STRING([--enable-rtld-now],
[Use dlopen with RTLD_NOW instead of RTLD_LAZY])],
[no],
[no])
if test "$PHP_RTLD_NOW" = "yes"; then
AC_DEFINE(PHP_USE_RTLD_NOW, 1, [ Use dlopen with RTLD_NOW instead of RTLD_LAZY ])
fi
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])
case $PHP_LAYOUT in
GNU)
oldstyleextdir=no
;;
*)
oldstyleextdir=yes
;;
esac
PHP_ARG_WITH([config-file-path],
[path to configuration file],
[AS_HELP_STRING([--with-config-file-path=PATH],
[Set the path in which to look for php.ini [PREFIX/lib]])],
[DEFAULT],
[no])
if test "$PHP_CONFIG_FILE_PATH" = "DEFAULT"; then
case $PHP_LAYOUT in
GNU)
PHP_CONFIG_FILE_PATH=$sysconfdir
;;
*)
PHP_CONFIG_FILE_PATH=$libdir
;;
esac
fi
AC_MSG_CHECKING([where to scan for configuration files])
PHP_ARG_WITH([config-file-scan-dir],,
[AS_HELP_STRING([--with-config-file-scan-dir=PATH],
[Set the path where to scan for configuration files])],
[DEFAULT],
[no])
if test "$PHP_CONFIG_FILE_SCAN_DIR" = "DEFAULT"; then
PHP_CONFIG_FILE_SCAN_DIR=
fi
AC_MSG_RESULT([$PHP_CONFIG_FILE_SCAN_DIR])
test -n "$DEBUG_CFLAGS" && CFLAGS="$CFLAGS $DEBUG_CFLAGS"
PHP_ARG_ENABLE([sigchild],
[whether to enable PHP's own SIGCHLD handler],
[AS_HELP_STRING([--enable-sigchild],
[Enable PHP's own SIGCHLD handler])],
[no],
[no])
if test "$PHP_SIGCHILD" = "yes"; then
AC_DEFINE(PHP_SIGCHILD, 1, [ ])
else
AC_DEFINE(PHP_SIGCHILD, 0, [ ])
fi
PHP_ARG_ENABLE([libgcc],
[whether to explicitly link against libgcc],
[AS_HELP_STRING([--enable-libgcc],
[Enable explicitly linking against libgcc])],
[no],
[no])
if test "$PHP_LIBGCC" = "yes"; then
PHP_LIBGCC_LIBPATH(gcc)
if test -z "$libgcc_libpath"; then
AC_MSG_ERROR([Cannot locate libgcc. Make sure that gcc is in your path])
fi