dnl
dnl $Id: Zend.m4,v 1.35.2.7 2004/11/15 13:40:30 derick Exp $
dnl
dnl This file contains Zend specific autoconf functions.
dnl

AC_DEFUN(LIBZEND_BISON_CHECK,[

if test "$YACC" != "bison -y"; then
    AC_MSG_WARN(You will need bison if you want to regenerate the Zend parser.)
else
    AC_MSG_CHECKING(bison version)
    set `bison --version| grep 'GNU Bison' | cut -d ' ' -f 4 | sed -e 's/\./ /' | tr -d 'a-z'`
    if test "${1}" = "1" -a "${2}" -lt "28"; then
        AC_MSG_WARN(You will need bison 1.28 if you want to regenerate the Zend parser (found ${1}.${2}).)
    fi
    AC_MSG_RESULT(${1}.${2} (ok))
fi

])

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_PROG_LEX])
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 Use the standard cpp instead of the precompiling one on Darwin / Mac OS X
if test "$ac_cv_prog_gcc" = "yes" -a "`uname -s`" = "Darwin"; then
        CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
fi

AC_CHECK_HEADERS(
limits.h \
malloc.h \
string.h \
unistd.h \
stdarg.h \
sys/types.h \
sys/time.h \
signal.h \
unix.h \
mach-o/dyld.h \
dlfcn.h)

AC_TYPE_SIZE_T
AC_TYPE_SIGNAL

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 Checks for library functions.
AC_FUNC_VPRINTF
AC_FUNC_MEMCMP
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(memcpy strdup getpid kill strtod strtol finite fpclass)
dnl AC_ZEND_BROKEN_SPRINTF

AC_CHECK_FUNCS(finite isfinite isinf isnan)

ZEND_FP_EXCEPT
	
])

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)
], [])
])



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_ENABLE(experimental-zts,
[  --enable-experimental-zts   
                          This will most likely break your build],[
  ZEND_EXPERIMENTAL_ZTS=$enableval
],[
  ZEND_EXPERIMENTAL_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_ARG_ENABLE(memory-limit,
[  --enable-memory-limit   Compile with memory limit support. ], [
  ZEND_MEMORY_LIMIT=$enableval
],[
  ZEND_MEMORY_LIMIT=no
])

AC_ARG_ENABLE(zend-multibyte,
[  --enable-zend-multibyte Compile with zend multibyte support. ], [
  ZEND_MULTIBYTE=$enableval
],[
  ZEND_MULTIBYTE=no
])

AC_MSG_CHECKING(whether to enable thread-safety)
AC_MSG_RESULT($ZEND_EXPERIMENTAL_ZTS)

AC_MSG_CHECKING(whether to enable inline optimization for GCC)
AC_MSG_RESULT($ZEND_INLINE_OPTIMIZATION)

AC_MSG_CHECKING(whether to enable a memory limit)
AC_MSG_RESULT($ZEND_MEMORY_LIMIT)

AC_MSG_CHECKING(whether to enable Zend debugging)
AC_MSG_RESULT($ZEND_DEBUG)

AC_MSG_CHECKING(whether to enable Zend multibyte)
AC_MSG_RESULT($ZEND_MULTIBYTE)

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 "$ZEND_EXPERIMENTAL_ZTS" = "yes"; then
  AC_DEFINE(ZTS,1,[ ])
  CFLAGS="$CFLAGS -DZTS"
fi  

if test "$ZEND_MEMORY_LIMIT" = "yes"; then
  AC_DEFINE(MEMORY_LIMIT, 1, [Memory limit])
else
  AC_DEFINE(MEMORY_LIMIT, 0, [Memory limit])
fi

if test "$ZEND_MULTIBYTE" = "yes"; then
  AC_DEFINE(ZEND_MULTIBYTE, 1, [ ])
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_DEFUN(LIBZEND_CPLUSPLUS_CHECKS,[

])
