php-src/Zend/Zend.m4
Rasmus Lerdorf 10afe5d96b Make the sigsetjmp change more robust. On systems that don't have
sigsetjmp use setjmp.  Windows is of course weird in that it seems to
have sigsetjmp but not sigjmp_buf (??) so force it to use setjmp in
config.w32.h.in
2008-03-18 21:14:28 +00:00

387 lines
8.4 KiB
Plaintext

dnl
dnl $Id$
dnl
dnl This file contains Zend specific autoconf functions.
dnl
AC_DEFUN([LIBZEND_CHECK_INT_TYPE],[
AC_MSG_CHECKING(for $1)
AC_TRY_COMPILE([
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_INTTYPES_H
#include <inttypes.h>
#elif HAVE_STDINT_H
#include <stdint.h>
#endif],
[if (($1 *) 0)
return 0;
if (sizeof ($1))
return 0;
],[
AC_DEFINE_UNQUOTED([HAVE_]translit($1,a-z_-,A-Z__), 1,[Define if $1 type is present. ])
AC_MSG_RESULT(yes)
], AC_MSG_RESULT(no)
)dnl
])
AC_DEFUN([LIBZEND_BASIC_CHECKS],[
AC_REQUIRE([AC_PROG_YACC])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_CC_C_O])
AC_REQUIRE([AC_HEADER_STDC])
LIBZEND_BISON_CHECK
dnl Ugly hack to get around a problem with gcc on AIX.
if test "$CC" = "gcc" -a "$ac_cv_prog_cc_g" = "yes" -a \
"`uname -sv`" = "AIX 4"; then
CFLAGS=`echo $CFLAGS | sed -e 's/-g//'`
fi
dnl Hack to work around a Mac OS X cpp problem
dnl Known versions needing this workaround are 5.3 and 5.4
if test "$ac_cv_prog_gcc" = "yes" -a "`uname -s`" = "Rhapsody"; then
CPPFLAGS="$CPPFLAGS -traditional-cpp"
fi
AC_CHECK_HEADERS(
inttypes.h \
stdint.h \
limits.h \
malloc.h \
string.h \
unistd.h \
stdarg.h \
sys/types.h \
sys/time.h \
signal.h \
unix.h \
stdlib.h \
dlfcn.h)
dnl Don't use mach-o/dyld.h on Darwin 8+, dl* is recommended by Apple from there on
dnl See http://developer.apple.com/documentation/DeveloperTools/Conceptual/MachOTopics/Articles/loading_code.html
case $host_alias in
*darwin[[89]]*)
;;
*)
AC_CHECK_HEADERS([ \
mach-o/dyld.h
],[],[][])
;;
esac
AC_TYPE_SIZE_T
AC_TYPE_SIGNAL
AC_DEFUN([LIBZEND_LIBDL_CHECKS],[
AC_CHECK_LIB(dl, dlopen, [LIBS="-ldl $LIBS"])
AC_CHECK_FUNC(dlopen,[AC_DEFINE(HAVE_LIBDL, 1,[ ])])
])
AC_DEFUN([LIBZEND_DLSYM_CHECK],[
dnl
dnl Ugly hack to check if dlsym() requires a leading underscore in symbol name.
dnl
AC_MSG_CHECKING([whether dlsym() requires a leading underscore in symbol names])
_LT_AC_TRY_DLOPEN_SELF([
AC_MSG_RESULT(no)
], [
AC_MSG_RESULT(yes)
AC_DEFINE(DLSYM_NEEDS_UNDERSCORE, 1, [Define if dlsym() requires a leading underscore in symbol names. ])
], [
AC_MSG_RESULT(no)
], [])
])
dnl This is required for QNX and may be some BSD derived systems
AC_CHECK_TYPE( uint, unsigned int )
AC_CHECK_TYPE( ulong, unsigned long )
dnl Check if int32_t and uint32_t are defined
LIBZEND_CHECK_INT_TYPE(int32_t)
LIBZEND_CHECK_INT_TYPE(uint32_t)
dnl Checks for library functions.
AC_FUNC_VPRINTF
AC_FUNC_MEMCMP
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(memcpy strdup getpid kill strtod strtol finite fpclass sigsetjmp)
AC_ZEND_BROKEN_SPRINTF
AC_CHECK_FUNCS(finite isfinite isinf isnan)
ZEND_FP_EXCEPT
])
AC_DEFUN([LIBZEND_ENABLE_DEBUG],[
AC_ARG_ENABLE(debug,
[ --enable-debug Compile with debugging symbols],[
ZEND_DEBUG=$enableval
],[
ZEND_DEBUG=no
])
])
AC_DEFUN([LIBZEND_OTHER_CHECKS],[
AC_ARG_WITH(zend-vm,
[ --with-zend-vm=TYPE Set virtual machine dispatch method. Type is
one of "CALL", "SWITCH" or "GOTO" [TYPE=CALL]],[
PHP_ZEND_VM=$withval
],[
PHP_ZEND_VM=CALL
])
AC_ARG_ENABLE(maintainer-zts,
[ --enable-maintainer-zts Enable thread safety - for code maintainers only!!],[
ZEND_MAINTAINER_ZTS=$enableval
],[
ZEND_MAINTAINER_ZTS=no
])
AC_ARG_ENABLE(inline-optimization,
[ --disable-inline-optimization
If building zend_execute.lo fails, try this switch],[
ZEND_INLINE_OPTIMIZATION=$enableval
],[
ZEND_INLINE_OPTIMIZATION=yes
])
AC_MSG_CHECKING([virtual machine dispatch method])
AC_MSG_RESULT($PHP_ZEND_VM)
AC_MSG_CHECKING(whether to enable thread-safety)
AC_MSG_RESULT($ZEND_MAINTAINER_ZTS)
AC_MSG_CHECKING(whether to enable inline optimization for GCC)
AC_MSG_RESULT($ZEND_INLINE_OPTIMIZATION)
AC_MSG_CHECKING(whether to enable Zend debugging)
AC_MSG_RESULT($ZEND_DEBUG)
case $PHP_ZEND_VM in
SWITCH)
AC_DEFINE(ZEND_VM_KIND,ZEND_VM_KIND_SWITCH,[virtual machine dispatch method])
;;
GOTO)
AC_DEFINE(ZEND_VM_KIND,ZEND_VM_KIND_GOTO,[virtual machine dispatch method])
;;
*)
PHP_ZEND_VM=CALL
AC_DEFINE(ZEND_VM_KIND,ZEND_VM_KIND_CALL,[virtual machine dispatch method])
;;
esac
if test "$ZEND_DEBUG" = "yes"; then
AC_DEFINE(ZEND_DEBUG,1,[ ])
echo " $CFLAGS" | grep ' -g' >/dev/null || DEBUG_CFLAGS="-g"
if test "$CFLAGS" = "-g -O2"; then
CFLAGS=-g
fi
test -n "$GCC" && DEBUG_CFLAGS="$DEBUG_CFLAGS -Wall"
test -n "$GCC" && test "$USE_MAINTAINER_MODE" = "yes" && \
DEBUG_CFLAGS="$DEBUG_CFLAGS -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations"
else
AC_DEFINE(ZEND_DEBUG,0,[ ])
fi
test -n "$DEBUG_CFLAGS" && CFLAGS="$CFLAGS $DEBUG_CFLAGS"
if test "$ZEND_MAINTAINER_ZTS" = "yes"; then
AC_DEFINE(ZTS,1,[ ])
CFLAGS="$CFLAGS -DZTS"
LIBZEND_CPLUSPLUS_CHECKS
fi
changequote({,})
if test -n "$GCC" && test "$ZEND_INLINE_OPTIMIZATION" != "yes"; then
INLINE_CFLAGS=`echo $ac_n "$CFLAGS $ac_c" | sed s/-O[0-9s]*//`
else
INLINE_CFLAGS="$CFLAGS"
fi
changequote([,])
AC_C_INLINE
AC_SUBST(INLINE_CFLAGS)
AC_MSG_CHECKING(target system is Darwin)
if echo "$target" | grep "darwin" > /dev/null; then
AC_DEFINE([DARWIN], 1, [Define if the target system is darwin])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
dnl test and set the alignment define for ZEND_MM
dnl this also does the logarithmic test for ZEND_MM.
AC_MSG_CHECKING(for MM alignment and log values)
AC_TRY_RUN([
#include <stdio.h>
typedef union _mm_align_test {
void *ptr;
double dbl;
long lng;
} mm_align_test;
#if (defined (__GNUC__) && __GNUC__ >= 2)
#define ZEND_MM_ALIGNMENT (__alignof__ (mm_align_test))
#else
#define ZEND_MM_ALIGNMENT (sizeof(mm_align_test))
#endif
int main()
{
int i = ZEND_MM_ALIGNMENT;
int zeros = 0;
FILE *fp;
while (i & ~0x1) {
zeros++;
i = i >> 1;
}
fp = fopen("conftest.zend", "w");
fprintf(fp, "%d %d\n", ZEND_MM_ALIGNMENT, zeros);
fclose(fp);
exit(0);
}
], [
LIBZEND_MM_ALIGN=`cat conftest.zend | cut -d ' ' -f 1`
LIBZEND_MM_ALIGN_LOG2=`cat conftest.zend | cut -d ' ' -f 2`
AC_DEFINE_UNQUOTED(ZEND_MM_ALIGNMENT, $LIBZEND_MM_ALIGN, [ ])
AC_DEFINE_UNQUOTED(ZEND_MM_ALIGNMENT_LOG2, $LIBZEND_MM_ALIGN_LOG2, [ ])
], [], [
dnl cross-compile needs something here
LIBZEND_MM_ALIGN=8
])
AC_MSG_RESULT(done)
dnl test for memory allocation using mmap(MAP_ANON)
AC_MSG_CHECKING(for memory allocation using mmap(MAP_ANON))
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <stdlib.h>
#include <stdio.h>
#ifndef MAP_ANON
# ifdef MAP_ANONYMOUS
# define MAP_ANON MAP_ANONYMOUS
# endif
#endif
#ifndef MREMAP_MAYMOVE
# define MREMAP_MAYMOVE 0
#endif
#ifndef MAP_FAILED
# define MAP_FAILED ((void*)-1)
#endif
#define SEG_SIZE (256*1024)
int main()
{
void *seg = mmap(NULL, SEG_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
if (seg == MAP_FAILED) {
return 1;
}
if (munmap(seg, SEG_SIZE) != 0) {
return 2;
}
return 0;
}
], [
AC_DEFINE([HAVE_MEM_MMAP_ANON], 1, [Define if the target system has support for memory allocation using mmap(MAP_ANON)])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
], [
dnl cross-compile needs something here
AC_MSG_RESULT(no)
])
dnl test for memory allocation using mmap("/dev/zero")
AC_MSG_CHECKING(for memory allocation using mmap("/dev/zero"))
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <stdlib.h>
#include <stdio.h>
#ifndef MAP_ANON
# ifdef MAP_ANONYMOUS
# define MAP_ANON MAP_ANONYMOUS
# endif
#endif
#ifndef MREMAP_MAYMOVE
# define MREMAP_MAYMOVE 0
#endif
#ifndef MAP_FAILED
# define MAP_FAILED ((void*)-1)
#endif
#define SEG_SIZE (256*1024)
int main()
{
int fd;
void *seg;
fd = open("/dev/zero", O_RDWR, S_IRUSR | S_IWUSR);
if (fd < 0) {
return 1;
}
seg = mmap(NULL, SEG_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
if (seg == MAP_FAILED) {
return 2;
}
if (munmap(seg, SEG_SIZE) != 0) {
return 3;
}
if (close(fd) != 0) {
return 4;
}
return 0;
}
], [
AC_DEFINE([HAVE_MEM_MMAP_ZERO], 1, [Define if the target system has support for memory allocation using mmap("/dev/zero")])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
], [
dnl cross-compile needs something here
AC_MSG_RESULT(no)
])
AC_CHECK_FUNCS(mremap)
])
AC_DEFUN([LIBZEND_CPLUSPLUS_CHECKS],[
])
AC_MSG_CHECKING(whether /dev/urandom exists)
if test -r "/dev/urandom" && test -c "/dev/urandom"; then
AC_DEFINE([HAVE_DEV_URANDOM], 1, [Define if the target system has /dev/urandom device])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi