php-src/Zend/Zend.m4
Peter Kokot e1f101d798 Remove separate *nix system build for Zend engine
Removed files used to provide building Zend engine separately using
Autoconf and Automake:
  cd Zend && ./buildconf && ./configure

Since Zend engine is tightly integrated in the PHP code itself and
current root configure.ac and acinclude provide this patch removes
these. Removed files also included several obsolete macros and
Automake dependency which is not used in main *nix PHP build system.
2019-01-04 22:04:05 +01:00

489 lines
12 KiB
Text

dnl
dnl This file contains Zend specific autoconf functions.
dnl
AC_DEFUN([LIBZEND_CHECK_INT_TYPE],[
AC_MSG_CHECKING(for $1)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#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
AC_CHECK_HEADERS(
inttypes.h \
stdint.h \
limits.h \
malloc.h \
unistd.h \
sys/types.h \
sys/time.h \
signal.h \
unix.h \
cpuid.h \
dlfcn.h)
AC_TYPE_SIZE_T
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_ALLOCA
AC_CHECK_FUNCS(memcpy strdup getpid kill strtod strtol finite fpclass sigsetjmp)
AC_ZEND_BROKEN_SPRINTF
AC_CHECK_DECLS([isfinite, isnan, isinf], [], [], [[#include <math.h>]])
ZEND_FP_EXCEPT
ZEND_CHECK_FLOAT_PRECISION
dnl test whether double cast to long preserves least significant bits
AC_MSG_CHECKING(whether double cast to long preserves least significant bits)
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <limits.h>
int main()
{
if (sizeof(long) == 4) {
double d = (double) LONG_MIN * LONG_MIN + 2e9;
if ((long) d == 2e9 && (long) -d == -2e9) {
exit(0);
}
} else if (sizeof(long) == 8) {
double correct = 18e18 - ((double) LONG_MIN * -2); /* Subtract ULONG_MAX + 1 */
if ((long) 18e18 == correct) { /* On 64-bit, only check between LONG_MAX and ULONG_MAX */
exit(0);
}
}
exit(1);
}
]])], [
AC_DEFINE([ZEND_DVAL_TO_LVAL_CAST_OK], 1, [Define if double cast to long preserves least significant bits])
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
], [
AC_MSG_RESULT(no)
])
])
AC_DEFUN([LIBZEND_OTHER_CHECKS],[
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=$enableval
],[
ZEND_INLINE_OPTIMIZATION=yes
])
AC_MSG_CHECKING(whether to enable thread-safety)
AC_MSG_RESULT($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)
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="$CFLAGS -DZTS"
fi
changequote({,})
if test -n "$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_RUN_IFELSE([AC_LANG_SOURCE([[
#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, $LIBZEND_MM_ALIGN_LOG2, [ ])
], [], [
dnl cross-compile needs something here
LIBZEND_MM_ALIGN=8
])
AC_MSG_RESULT(done)
AC_CHECK_FUNCS(mremap)
AC_ARG_ENABLE(zend-signals,
[ --disable-zend-signals whether to enable zend signal handling],[
ZEND_SIGNALS=$enableval
],[
ZEND_SIGNALS=yes
])
AC_CHECK_FUNC(sigaction, [
AC_DEFINE(HAVE_SIGACTION, 1, [Whether sigaction() is available])
], [
ZEND_SIGNALS=no
])
if test "$ZEND_SIGNALS" = "yes"; then
AC_DEFINE(ZEND_SIGNALS, 1, [Use zend signal handling])
CFLAGS="$CFLAGS -DZEND_SIGNALS"
fi
AC_MSG_CHECKING(whether to enable zend signal handling)
AC_MSG_RESULT($ZEND_SIGNALS)
])
AC_MSG_CHECKING(whether /dev/urandom exists)
if test -r "/dev/urandom" && test -c "/dev/urandom"; then
AC_DEFINE([HAVE_DEV_URANDOM], 1, [Define if the target system has /dev/urandom device])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING(whether /dev/arandom exists)
if test -r "/dev/arandom" && test -c "/dev/arandom"; then
AC_DEFINE([HAVE_DEV_ARANDOM], 1, [Define if the target system has /dev/arandom device])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_ARG_ENABLE(gcc-global-regs,
[ --disable-gcc-global-regs
whether to enable GCC global register variables],[
ZEND_GCC_GLOBAL_REGS=$enableval
],[
ZEND_GCC_GLOBAL_REGS=yes
])
AC_MSG_CHECKING(for global register variables support)
if test "$ZEND_GCC_GLOBAL_REGS" != "no"; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#if defined(__GNUC__)
# define ZEND_GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
#else
# define ZEND_GCC_VERSION 0
#endif
#if defined(__GNUC__) && ZEND_GCC_VERSION >= 4008 && defined(i386)
# define ZEND_VM_FP_GLOBAL_REG "%esi"
# define ZEND_VM_IP_GLOBAL_REG "%edi"
#elif defined(__GNUC__) && ZEND_GCC_VERSION >= 4008 && defined(__x86_64__)
# define ZEND_VM_FP_GLOBAL_REG "%r14"
# define ZEND_VM_IP_GLOBAL_REG "%r15"
#elif defined(__GNUC__) && ZEND_GCC_VERSION >= 4008 && defined(__powerpc64__)
# define ZEND_VM_FP_GLOBAL_REG "r28"
# define ZEND_VM_IP_GLOBAL_REG "r29"
#elif defined(__IBMC__) && ZEND_GCC_VERSION >= 4002 && defined(__powerpc64__)
# define ZEND_VM_FP_GLOBAL_REG "r28"
# define ZEND_VM_IP_GLOBAL_REG "r29"
#else
# error "global register variables are not supported"
#endif
typedef int (*opcode_handler_t)(void);
register void *FP __asm__(ZEND_VM_FP_GLOBAL_REG);
register const opcode_handler_t *IP __asm__(ZEND_VM_IP_GLOBAL_REG);
int emu(const opcode_handler_t *ip, void *fp) {
const opcode_handler_t *orig_ip = IP;
void *orig_fp = FP;
IP = ip;
FP = fp;
while ((*ip)());
FP = orig_fp;
IP = orig_ip;
}
]], [[
]])], [
ZEND_GCC_GLOBAL_REGS=yes
], [
ZEND_GCC_GLOBAL_REGS=no
])
fi
if test "$ZEND_GCC_GLOBAL_REGS" = "yes"; then
AC_DEFINE([HAVE_GCC_GLOBAL_REGS], 1, [Define if the target system has support for global register variables])
else
HAVE_GCC_GLOBAL_REGS=no
fi
AC_MSG_RESULT($ZEND_GCC_GLOBAL_REGS)
dnl
dnl Check if atof() accepts NAN
dnl
AC_CACHE_CHECK(whether atof() accepts NAN, ac_cv_atof_accept_nan,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <math.h>
#include <stdlib.h>
#ifdef HAVE_ISNAN
#define zend_isnan(a) isnan(a)
#elif defined(HAVE_FPCLASS)
#define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
#else
#define zend_isnan(a) 0
#endif
int main(int argc, char** argv)
{
return zend_isnan(atof("NAN")) ? 0 : 1;
}
]])],[
ac_cv_atof_accept_nan=yes
],[
ac_cv_atof_accept_nan=no
],[
ac_cv_atof_accept_nan=no
])])
if test "$ac_cv_atof_accept_nan" = "yes"; then
AC_DEFINE([HAVE_ATOF_ACCEPTS_NAN], 1, [whether atof() accepts NAN])
fi
dnl
dnl Check if atof() accepts INF
dnl
AC_CACHE_CHECK(whether atof() accepts INF, ac_cv_atof_accept_inf,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <math.h>
#include <stdlib.h>
#ifdef HAVE_ISINF
#define zend_isinf(a) isinf(a)
#elif defined(INFINITY)
/* Might not work, but is required by ISO C99 */
#define zend_isinf(a) (((a)==INFINITY)?1:0)
#elif defined(HAVE_FPCLASS)
#define zend_isinf(a) ((fpclass(a) == FP_PINF) || (fpclass(a) == FP_NINF))
#else
#define zend_isinf(a) 0
#endif
int main(int argc, char** argv)
{
return zend_isinf(atof("INF")) && zend_isinf(atof("-INF")) ? 0 : 1;
}
]])],[
ac_cv_atof_accept_inf=yes
],[
ac_cv_atof_accept_inf=no
],[
ac_cv_atof_accept_inf=no
])])
if test "$ac_cv_atof_accept_inf" = "yes"; then
AC_DEFINE([HAVE_ATOF_ACCEPTS_INF], 1, [whether atof() accepts INF])
fi
dnl
dnl Check if HUGE_VAL == INF
dnl
AC_CACHE_CHECK(whether HUGE_VAL == INF, ac_cv_huge_val_inf,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <math.h>
#include <stdlib.h>
#ifdef HAVE_ISINF
#define zend_isinf(a) isinf(a)
#elif defined(INFINITY)
/* Might not work, but is required by ISO C99 */
#define zend_isinf(a) (((a)==INFINITY)?1:0)
#elif defined(HAVE_FPCLASS)
#define zend_isinf(a) ((fpclass(a) == FP_PINF) || (fpclass(a) == FP_NINF))
#else
#define zend_isinf(a) 0
#endif
int main(int argc, char** argv)
{
return zend_isinf(HUGE_VAL) ? 0 : 1;
}
]])],[
ac_cv_huge_val_inf=yes
],[
ac_cv_huge_val_inf=no
],[
ac_cv_huge_val_inf=yes
])])
dnl This is the most probable fallback so we assume yes in case of cross compile.
if test "$ac_cv_huge_val_inf" = "yes"; then
AC_DEFINE([HAVE_HUGE_VAL_INF], 1, [whether HUGE_VAL == INF])
fi
dnl
dnl Check if HUGE_VAL + -HUGEVAL == NAN
dnl
AC_CACHE_CHECK(whether HUGE_VAL + -HUGEVAL == NAN, ac_cv_huge_val_nan,[
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <math.h>
#include <stdlib.h>
#ifdef HAVE_ISNAN
#define zend_isnan(a) isnan(a)
#elif defined(HAVE_FPCLASS)
#define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
#else
#define zend_isnan(a) 0
#endif
int main(int argc, char** argv)
{
#if defined(__sparc__) && !(__GNUC__ >= 3)
/* prevent bug #27830 */
return 1;
#else
return zend_isnan(HUGE_VAL + -HUGE_VAL) ? 0 : 1;
#endif
}
]])],[
ac_cv_huge_val_nan=yes
],[
ac_cv_huge_val_nan=no
],[
ac_cv_huge_val_nan=yes
])])
dnl This is the most probable fallback so we assume yes in case of cross compile.
if test "$ac_cv_huge_val_nan" = "yes"; then
AC_DEFINE([HAVE_HUGE_VAL_NAN], 1, [whether HUGE_VAL + -HUGEVAL == NAN])
fi
dnl
dnl Check whether __cpuid_count is available
dnl
AC_CACHE_CHECK(whether __cpuid_count is available, ac_cv_cpuid_count_available, [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <cpuid.h>
]], [[
unsigned eax, ebx, ecx, edx;
__cpuid_count(0, 0, eax, ebx, ecx, edx);
]])], [
ac_cv_cpuid_count_available=yes
], [
ac_cv_cpuid_count_available=no
])])
if test "$ac_cv_cpuid_count_available" = "yes"; then
AC_DEFINE([HAVE_CPUID_COUNT], 1, [whether __cpuid_count is available])
fi