dnl $Id$
dnl Process this file with autoconf to produce a configure script.

AC_INIT(zend.c)
AM_INIT_AUTOMAKE(zend, 0.80A)
AM_CONFIG_HEADER(zend_config.h)
AM_SANITY_CHECK
AM_MAINTAINER_MODE
ZEND_VERSION=$VERSION

dnl We want this one before the checks, so the checks can modify CFLAGS.
test -z "$CFLAGS" && auto_cflags=1

dnl Checks for programs.
AC_PROG_YACC
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| sed -e 's/^GNU Bison version //' -e 's/\./ /'`
    if test "$1" = "1" -a "$2" -lt "25"; then
        AC_MSG_WARN(You will need bison 1.25 if you want to regenerate the Zend parser (found $1.$2).)
    fi
    AC_MSG_RESULT($1.$2 (ok))
fi
AC_PROG_CC
if test "$enable_thread_safety" = "yes" ; then
AC_PROG_CXX
fi
AC_PROG_CC_C_O
AM_PROG_LEX

AM_PROG_LIBTOOL
if test "$enable_debug" != "yes"; then
  AM_SET_LIBTOOL_VARIABLE([--silent])
fi
AM_PROG_CC_STDC
AC_C_INLINE

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

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
dnl Check for /usr/pkg/{lib,include} which is where NetBSD puts binary
dnl and source packages.  This should be harmless on other OSs.
dnl
if test -d /usr/pkg/include -a -d /usr/pkg/lib ; then
       CFLAGS="$CFLAGS -I/usr/pkg/include"
       LDFLAGS="$LDFLAGS -L/usr/pkg/lib"
fi

AC_CHECK_LIB(c, dlopen, [
 # fake it
 AC_DEFINE(HAVE_LIBDL) ], [
 AC_CHECK_LIB(dl, dlopen, [
  LIBS="-ldl $LIBS"
  AC_DEFINE(HAVE_LIBDL) ], []) ])

dnl Checks for header files.
AC_HEADER_STDC

dnl QNX requires unix.h to allow functions in libunix to work properly
AC_CHECK_HEADERS(limits.h malloc.h string.h unistd.h stdarg.h sys/types.h signal.h unix.h dlfcn.h)

if test "$enable_thread_safety" = "yes" ; then
dnl C++ specific header files
AC_LANG_CPLUSPLUS
AC_CHECK_HEADER(stdiostream.h, [ AC_DEFINE(HAVE_STDIOSTREAM_H) ])
AC_LANG_C
fi

dnl Checks for types
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)
AC_ZEND_BROKEN_SPRINTF

AC_MSG_CHECKING(whether to include debugging symbols)
AC_ARG_ENABLE(debug,
[  --disable-debug         Compile without debugging symbols],
[
  if test "$enableval" = "yes"; then
    AC_MSG_RESULT(yes)
    AC_DEFINE(ZEND_DEBUG,1)
    DEBUG_CFLAGS="-g"
    test -n "$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_MSG_RESULT(no)
    AC_DEFINE(ZEND_DEBUG,0)
    DEBUG_CFLAGS=""
  fi
],[
  AC_MSG_RESULT(yes)
  AC_DEFINE(ZEND_DEBUG,1)
  DEBUG_CFLAGS="-g"
]) 
AC_SUBST(DEBUG_CFLAGS)
CFLAGS="$CFLAGS $DEBUG_CFLAGS"

RESULT=yes
AC_MSG_CHECKING(whether to enable inline)
AC_ARG_ENABLE(inline,
[  --disable-inline        Disable the inline specifier],
[
  if test "$enableval" = "no"; then
    RESULT=no
  fi
])
AC_MSG_RESULT($RESULT)

if test "$RESULT" = "yes"; then
  AC_C_INLINE
else
  AC_DEFINE(inline, [])
fi

AC_MSG_CHECKING(whether to enable a memory limit)
AC_ARG_ENABLE(memory-limit,
[  --enable-memory-limit   Compile with memory limit support. ],
[
  if test "$enableval" = "yes"; then
    AC_DEFINE(MEMORY_LIMIT, 1)
    AC_MSG_RESULT(yes)
  else
    AC_DEFINE(MEMORY_LIMIT, 0)
    AC_MSG_RESULT(no)
  fi
],[
  AC_DEFINE(MEMORY_LIMIT, 0)
  AC_MSG_RESULT(no)
]) 


ZEND_SCANNER_TYPE=c
dnl Sigh. This will probably break automake's automatic dependencies..
AC_MSG_CHECKING(whether to build Zend thread-safe)
AC_ARG_ENABLE(thread-safety,
[  --enable-thread-safety  Whether to build Zend thread-safe.],[
  if test "$enableval" = "yes"; then
    AC_DEFINE(ZTS)
    ZEND_SCANNER_TYPE=cc
    CPPFLAGS="$CPPFLAGS -I../TSRM"
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
],[
  AC_MSG_RESULT(no)
])
AC_SUBST(TSRM_DIR)
AC_SUBST(TSRM_LIB)
ZEND_SCANNER="libzend_${ZEND_SCANNER_TYPE}.la"
AC_SUBST(ZEND_SCANNER)

if test "$enable_thread_safety" = "yes" ; then
AC_CHECK_LIB(C, cin)
AC_CHECK_LIB(g++, cin)
AC_CHECK_LIB(stdc++, cin)
dnl Digital Unix 4.0
AC_CHECK_LIB(cxx, cin)
AC_CHECK_LIB(cxxstd, __array_delete)

AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_MSG_CHECKING(for class istdiostream)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <unistd.h>
#include <fstream.h>
#include <stdiostream.h>
],[
istdiostream *foo = new istdiostream((FILE *) 0);
],[
  AC_DEFINE(HAVE_CLASS_ISTDIOSTREAM, 1)
  AC_MSG_RESULT(yes)
],[
  AC_MSG_RESULT(no)
])
AC_LANG_RESTORE

fi

EXTRA_LIBS="$LIBS"
LIBS=""
AC_SUBST(EXTRA_LIBS)
AC_OUTPUT(Makefile)

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