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

AC_INIT(zend.c)

AC_CONFIG_HEADER(config.h)
AM_SANITY_CHECK

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'd want to regenerate the PHP 3.0 parsers.)
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'd want to regenerate the PHP 3.0 parsers (found $1.$2).)
    fi
    AC_MSG_RESULT($1.$2 (ok))
fi
AC_PROG_CC
AC_PROG_RANLIB
AC_PROG_CC_C_O
AC_PATH_PROG(PERL_PATH, perl)

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 check for -R, etc. switch
AC_MSG_CHECKING(if compiler supports -R)
AC_CACHE_VAL(php_cv_cc_dashr,[
	SAVE_LIBS="${LIBS}"
	LIBS="-R /usr/lib ${LIBS}"
	AC_TRY_LINK([], [], php_cv_cc_dashr=yes, php_cv_cc_dashr=no)
	LIBS="${SAVE_LIBS}"])
AC_MSG_RESULT($php_cv_cc_dashr)
if test $php_cv_cc_dashr = "yes"; then
	ld_runpath_switch="-R"
	apxs_runpath_switch="-Wl,-R'"
else
	AC_MSG_CHECKING([if compiler supports -Wl,-rpath,])
	AC_CACHE_VAL(php_cv_cc_rpath,[
		SAVE_LIBS="${LIBS}"
		LIBS="-Wl,-rpath,/usr/lib ${LIBS}"
		AC_TRY_LINK([], [], php_cv_cc_rpath=yes, php_cv_cc_rpath=no)
		LIBS="${SAVE_LIBS}"])
	AC_MSG_RESULT($php_cv_cc_rpath)
	if test $php_cv_cc_rpath = "yes"; then
		ld_runpath_switch="-Wl,-rpath,"
		apxs_runpath_switch="-Wl,'-rpath "
	else
		dnl something innocuous
		ld_runpath_switch="-L"
		apxs_runpath_switch="-L'"
	fi
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(nsl, gethostname, [
  LIBS="-lnsl $LIBS"
  AC_DEFINE(HAVE_LIBNSL) ], [])

AC_CHECK_LIB(c, socket, [:], [
 AC_CHECK_LIB(socket, socket, [
  LIBS="-lsocket $LIBS"
  AC_DEFINE(HAVE_LIBSOCKET) ], []) ])

AC_CHECK_LIB(c, gethostbyaddr, [:], [
 AC_CHECK_LIB(nsl, gethostbyaddr, [
  LIBS="-lnsl $LIBS"
  AC_DEFINE(HAVE_LIBNSL) ], []) ])

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

dnl The sin may be in a library which need not be specifed
dnl as well as res_search resides in libsocket
AC_CHECK_LIB(c, sin, [:], [
 AC_CHECK_LIB(m, sin) ])

dnl The res_search may be in libsocket as well, and if it is
dnl make sure to check for dn_skipname in libresolv, or if res_search
dnl is in neither of these libs, still check for dn_skipname in libresolv
AC_CHECK_LIB(socket, res_search, [
 AC_CHECK_LIB(resolv, dn_skipname)
 AC_CHECK_LIB(resolv, __dn_skipname)
 LIBS="$LIBS -lsocket"
 AC_DEFINE(HAVE_LIBSOCKET) 
], [
 AC_CHECK_LIB(resolv, res_search, [
  LIBS="$LIBS -lresolv"
  AC_DEFINE(HAVE_LIBRESOLV) 
 ], [
  AC_CHECK_LIB(resolv, dn_skipname)
  AC_CHECK_LIB(resolv, __dn_skipname)
 ]) 
])

dnl Checks for header files.
AC_HEADER_STDC

dnl In QNX opendir resides in libc but dirent.h is still required
if test "`uname -s 2>/dev/null`" != "QNX"; then
	AC_HEADER_DIRENT
else
	AC_CHECK_HEADERS(dirent.h)
fi
dnl QNX requires unix.h to allow functions in libunix to work properly
AC_CHECK_HEADERS(fcntl.h unistd.h crypt.h sys/file.h memory.h pwd.h grp.h sys/socket.h sys/wait.h syslog.h string.h sys/varargs.h stdarg.h sys/resource.h sys/time.h signal.h netinet/in.h dlfcn.h limits.h sys/types.h sys/statvfs.h sys/statfs.h unix.h db.h ndbm.h)

dnl Checks for types
AC_TYPE_SIZE_T

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_CHECK_FUNCS(memcpy memmove strdup strerror strcasecmp strstr flock lockf putenv tempnam usleep setlocale gettimeofday setvbuf srand48 lrand48 srandom random link symlink regcomp getlogin cuserid vsnprintf snprintf gcvt utime crypt setitimer rint unsetenv strftime setsockopt tzset statvfs statfs inet_aton)
AC_FUNC_UTIME_NULL
AC_FUNC_ALLOCA
AC_BROKEN_SPRINTF
AC_REPLACE_FUNCS(getopt)

AC_MSG_CHECKING(whether to include debugging symbols)
AC_ARG_ENABLE(debug,
[  --enable-debug          Compile with 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(no)
  AC_DEFINE(ZEND_DEBUG,0)
  DEBUG_CFLAGS=""
]) 
AC_SUBST(DEBUG_CFLAGS)


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)
]) 


AC_SUBST(CFLAGS_SHLIB)
AC_SUBST(LDFLAGS_SHLIB)
AC_SUBST(LDFLAGS_SHLIB_EXPORT)

AC_OUTPUT(Makefile, [], [])


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