dnl *******************************************
dnl *** Initialize automake and set version ***
dnl *******************************************

AC_INIT(src/libsoup/soup.h)

# Increment on interface addition. Reset on removal.
SOUP_AGE=1

# Increment on interface add, remove, or change.
SOUP_CURRENT=4

# Increment on source change. Reset when CURRENT changes.
SOUP_REVISION=0

AC_SUBST(SOUP_CURRENT)
AC_SUBST(SOUP_REVISION)
AC_SUBST(SOUP_AGE)

# Update in src/libsoup/soup-private.h for Windows
AM_INIT_AUTOMAKE(soup, 0.7.0)

AM_CONFIG_HEADER(config.h)
AM_MAINTAINER_MODE
AC_PROG_MAKE_SET


dnl ***************************
dnl *** Set debugging flags ***
dnl ***************************

debug_default=minimum

# Declare --enable-* args and collect ac_help strings
AC_ARG_ENABLE(debug, 
	      [  --enable-debug=[no/minimum/yes] turn on debugging [default=$debug_default]],,
	      enable_debug=$debug_default)

# Set the debug flags
if test "x$enable_debug" = "xyes"; then
	test "$cflags_set" = set || CFLAGS="$CFLAGS -g"
	SOUP_DEBUG_FLAGS="-DG_ENABLE_DEBUG"
else
	if test "x$enable_debug" = "xno"; then
		SOUP_DEBUG_FLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS"
	fi
fi

AC_SUBST(SOUP_DEBUG_FLAGS)


dnl ***************************
dnl *** Checks for programs ***
dnl ***************************

AC_PROG_CC
AM_PROG_CC_STDC
AC_PROG_INSTALL

# Set STDC_HEADERS
AC_HEADER_STDC

# Initialize libtool
AM_PROG_LIBTOOL

# This isn't a program, but it doesn't fit anywhere else...
AC_FUNC_ALLOCA


dnl ***************************
dnl *** Checks for glib 1.2 ***
dnl ***************************

AM_PATH_GLIB(1.2.0,,
             AC_MSG_ERROR([Cannot find GLIB: Is glib-config in path?]))

GLIB_CFLAGS=`glib-config --cflags glib`
GLIB_LIBS=`glib-config --libs glib`
GMODULE_LIBS=`glib-config --libs gmodule`

AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)
AC_SUBST(GMODULE_LIBS)


dnl ****************************
dnl *** Checks for gnome-xml ***
dnl ****************************

FAVOUR_LIBXML=1
AC_ARG_WITH(libxml,
	[  --with-libxml=[1/2] which version of libxml to use [default=$FAVOUR_LIBXML]],,
	with_libxml=$FAVOUR_LIBXML)

if test "x$with_libxml" = "x" -o "$with_libxml" = "yes"; then
	with_libxml=$FAVOUR_LIBXML
fi

if test "$with_libxml" = "1"; then
	AC_PATH_PROG(XML_CONFIG,xml-config,no)
	if test x$XML_CONFIG = xno; then
		AC_MSG_ERROR([Cannot find LIBXML: Is xml-config in path?])
	fi

	XML_MIN_VERSION=1.8.8
else
	if test "$with_libxml" = "2"; then
		AC_PATH_PROG(XML_CONFIG,xml2-config,no)
		if test x$XML_CONFIG = xno; then
			AC_MSG_ERROR([Cannot find LIBXML2: Is xml2-config in path?])
		fi

		XML_MIN_VERSION=2.3.10
	else
		AC_MSG_ERROR(Can't use libxml version $with_libxml)
	fi
fi

dnl Check version
XML_VERSION=`$XML_CONFIG --version`
ver=`echo $XML_VERSION | awk -F. '{printf("%d", ($1*1000+$2)*1000+$3);}'`
minver=`echo $XML_MIN_VERSION | awk -F. '{printf("%d", ($1*1000+$2)*1000+$3);}'`
if test "$minver" -gt "$ver"
then
	AC_MSG_ERROR(Found libxml version $XML_VERSION. You need $XML_MIN_VERSION or newer)
fi

XML_CFLAGS=`$XML_CONFIG --cflags`
XML_LIBS=`$XML_CONFIG --libs`

AC_SUBST(XML_CFLAGS)
AC_SUBST(XML_LIBS)


dnl ***********************
dnl *** Checks for popt ***
dnl ***********************

AC_ARG_WITH(popt-includes,
	    [  --with-popt-includes     Specify location of popt headers],
	    [popt_inc_prefix=-I$withval])

AC_ARG_WITH(popt-libs,
	    [  --with-popt-libs         Specify location of popt libs],
	    [popt_prefix=$withval],
	    [popt_prefix=/usr/lib])
	
save_CPPFLAGS=$CPPFLAGS
save_LIBS=$LIBS
CPPFLAGS="$CPPFLAGS $popt_inc_prefix"
LIBS="$LIBS -L$prefix"

AC_CHECK_LIB(popt, 
	     poptGetContext, 
	     [POPT_LIBS="$LIBS -lpopt"] , 
	     AC_MSG_ERROR([popt is required]))
AC_CHECK_HEADERS(popt.h, [POPT_CFLAGS="$CFLAGS"], AC_MSG_ERROR([popt.h is required]))

CPPFLAGS=$save_CPPFLAGS
LIBS=$save_LIBS

AC_SUBST(POPT_CFLAGS)
AC_SUBST(POPT_LIBS)


dnl **********************************************
dnl *** Variable substitution for soup*Conf.sh ***
dnl **********************************************

### soupConf.sh
SOUP_LIBDIR='-L${libdir}'
SOUP_INCLUDEDIR=" -I${includedir}/soup $GLIB_CFLAGS $XML_CFLAGS"
SOUP_LIBS="-lsoup $GLIB_LIBS $XML_LIBS"

AC_SUBST(SOUP_LIBDIR)
AC_SUBST(SOUP_INCLUDEDIR)
AC_SUBST(SOUP_LIBS)

### soup-apacheConf.sh
SOUP_APACHE_LIBDIR='-L${libdir}'
SOUP_APACHE_INCLUDEDIR="$SOUP_INCLUDEDIR $APACHE_CFLAGS"
SOUP_APACHE_LIBS="$SOUP_LIBS -lsoup-apache $APACHE_LIBS"

AC_SUBST(SOUP_APACHE_LIBDIR)
AC_SUBST(SOUP_APACHE_INCLUDEDIR)
AC_SUBST(SOUP_APACHE_LIBS)

### soup-wsdlConf.sh
SOUP_WSDL_LIBDIR='-L${libdir}'
SOUP_WSDL_INCLUDEDIR=" -I${includedir}/soup $GLIB_CFLAGS $XML_CFLAGS"
SOUP_WSDL_LIBS="$SOUP_LIBS -lwsdl"

AC_SUBST(SOUP_WSDL_LIBDIR)
AC_SUBST(SOUP_WSDL_INCLUDEDIR)
AC_SUBST(SOUP_WSDL_LIBS)


dnl *********************************
dnl *** Networking library checks ***
dnl *********************************

AC_CHECK_HEADERS(unistd.h)
AC_CHECK_HEADERS(netinet/in.h netinet/tcp.h)
AC_CHECK_HEADERS(sys/socket.h sys/sockio.h sys/poll.h sys/param.h sys/wait.h)
AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)

AC_CHECK_FUNC(socket, , AC_CHECK_LIB(socket, socket))
AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname))

AC_CHECK_FUNCS(inet_pton inet_aton)

### Check if we have gethostbyname_r (if so, assume gethostbyaddr_r).
AC_CHECK_FUNC(gethostbyname_r,
  [
  dnl  First check for the glibc variant of gethostbyname_r

  AC_MSG_CHECKING(for glibc gethostbyname_r)
  AC_TRY_LINK([	#include <netdb.h>],[
	  struct hostent result_buf;
	  char buf[1024];
	  struct hostent* result;
	  int h_errnop;

	  gethostbyname_r("localhost", &result_buf, buf, sizeof(buf),
	                  &result, &h_errnop);
	], [

	  dnl Have glibc gethostbyname_r

	  AC_MSG_RESULT(yes)
	  AC_DEFINE(HAVE_GETHOSTBYNAME_R_GLIBC)
	  HAVE_GETHOSTBYNAME_R=yes

        ], [

  dnl  If we don't have glibc gethostbyname_r, check
  dnl  for Solaris/Irix gethostbyname_r

  AC_MSG_RESULT(no)
  AC_MSG_CHECKING(for Solaris/Irix gethostbyname_r)
  AC_TRY_LINK([ #include <netdb.h>],[
	  struct hostent result;
	  char buf[1024];
	  int h_errnop;

	  gethostbyname_r("localhost", &result, buf, sizeof(buf), &h_errnop);

	], [

	  dnl Have Solaris/Irix gethostbyname_r

  	  AC_MSG_RESULT(yes)
	  AC_DEFINE(HAVE_GETHOSTBYNAME_R_SOLARIS)
	  HAVE_GETHOSTBYNAME_R=yes

	], [
  dnl  If don't have Solaris/Irix gethostbyname_r, check
  dnl  for HP-UX gethostbyname_r

  AC_MSG_RESULT(no)
  AC_MSG_CHECKING(for HP-UX gethostbyname_r)
  AC_TRY_LINK([ #include <netdb.h>],[
	  struct hostent result;
	  char buf[1024];
          gethostbyname_r("localhost", &result, buf);
        ], [
        
          dnl Have HP-UX gethostbyname_r

          AC_MSG_RESULT(yes)
	  AC_DEFINE(HAVE_GETHOSTBYNAME_R_HPUX)
	  HAVE_GETHOSTBYNAME_R=yes

	]
     )]
  )]
)])

### If we don't have gethostbyname_r, try to use Glib mutexes
if test -z "$HAVE_GETHOSTBYNAME_R"; then
	AM_PATH_GLIB(1.2.0, 
		     AC_DEFINE(HAVE_GETHOSTBYNAME_R_GLIB_MUTEX), [
      		     AC_MSG_WARN(You have neither Glib threads nor the function
				 gethostbyname_r.  This means that calls to
			    	 gethostbyname (called by the Soup address
				 functions) will not be thread safe so could
				 malfunction in programs that use threads.)
    		     ])
fi


dnl ****************************************************
dnl *** SSL Library checks (Mozilla NSS, or OpenSSL) ***
dnl ****************************************************

AC_ARG_ENABLE(ssl, 
	      [  --enable-ssl             Turn on Secure Sockets Layer support [default=yes]],,
	      enable_ssl=yes)

AC_ARG_WITH(nspr-includes,
	    [  --with-nspr-includes     Specify location of Netscape Portable Runtime headers],
	    [nspr_inc_prefix=-I$withval])

AC_ARG_WITH(nspr-libs,
	    [  --with-nspr-libs         Specify location of Netscape Portable Runtime libs],
	    [nspr_prefix=$withval],
	    [nspr_prefix=/usr/lib])

AC_ARG_WITH(nss-includes,
	    [  --with-nss-includes      Specify location of NSS header files],
	    [nss_inc_prefix=-I$withval])

AC_ARG_WITH(nss-libs,
	    [  --with-nss-libs          Specify location of NSS libs],
	    [nss_prefix=$withval],
	    [nss_prefix=/usr/lib])


AC_ARG_WITH(openssl-includes,
	    [  --with-openssl-includes  Specify location of OpenSSL header files],
	    [openssl_inc_prefix=-I$withval])

AC_ARG_WITH(openssl-libs,
	    [  --with-openssl-libs      Specify location of OpenSSL libs],
	    [openssl_prefix=$withval], 
	    [openssl_prefix=/usr/lib])

###
### Allow for a custom SSL proxy name
###
AC_ARG_WITH(ssl-proxy-name,
	    [  --with-ssl-proxy-name    Custom name for ssl proxy executable [default=soup-ssl-proxy]],
	    [SSL_PROXY_NAME=$withval],
	    [SSL_PROXY_NAME=soup-ssl-proxy])

AC_DEFINE_UNQUOTED(SSL_PROXY_NAME, "${SSL_PROXY_NAME}")
AC_SUBST(SSL_PROXY_NAME)

###
### Try to link statically with the SSL library
###
AC_ARG_ENABLE(ssl-link-static, 
	      [  --enable-static-ssl      Link with SSL library statically [default=no]],
	      [enable_static_ssl=yes])

if test "x$enable_ssl" = xyes; then
	###
	### Check for OpenSSL
	###
	save_CPPFLAGS=$CPPFLAGS
	CPPFLAGS="$CPPFLAGS $openssl_inc_prefix"
	AC_CHECK_LIB(dl, dlopen, DL_LDFLAGS="-ldl", DL_LDFLAGS="")
	AC_CHECK_HEADERS(openssl/ssl.h openssl/err.h,
			 [enable_openssl="yes"],
			 [enable_openssl="no"; break])

	if test "x$enable_openssl" = xyes; then
		if test "x$enable_static_ssl" = "xyes"; then
			OPENSSL_LIBS="$openssl_prefix/libssl.a $openssl_prefix/libcrypto.a"
		else
			OPENSSL_LIBS="-L$openssl_prefix -lssl -lcrypto $DL_LDFLAGS"
		fi
		OPENSSL_CFLAGS=$CPPFLAGS
		AC_DEFINE(HAVE_OPENSSL)
	else
		OPENSSL_LIBS=
		OPENSSL_CFLAGS=
	fi

	AC_SUBST(OPENSSL_CFLAGS)
	AC_SUBST(OPENSSL_LIBS)
	CPPFLAGS=$save_CPPFLAGS

	###
	### Check for Mozilla NSS
	###
	save_CPPFLAGS=$CPPFLAGS
	CPPFLAGS="$CPPFLAGS $nspr_inc_prefix $nss_inc_prefix"
	AC_CHECK_HEADERS(nss.h ssl.h pk11func.h,
			 [enable_nss="yes"],
			 [enable_nss="no"; break])

	if test "x$enable_nss" = xyes; then
		if test "x$enable_static_ssl" = "xyes"; then
			NSS_LIBS="-lpthread $nspr_prefix/libnspr4.a $nspr_prefix/libplc4.a $nspr_prefix/libplds4.a $nss_prefix/libnssb.a"
		else
			NSS_LIBS="-lpthread -L$nspr_prefix -lnspr4 -lplc4 -lplds4 $nss_prefix -lnss3 -lssl3"
		fi
		NSS_CFLAGS=$CPPFLAGS
		AC_DEFINE(HAVE_NSS)
	else
		NSS_LIBS=
		NSS_CFLAGS=
	fi

	AC_SUBST(NSS_CFLAGS)
	AC_SUBST(NSS_LIBS)
	CPPFLAGS=$save_CPPFLAGS
fi


dnl *************************
dnl *** Checks for Apache ***
dnl *************************

enable_apache="no"

AC_PATH_PROG(APXS,apxs,no)
if test x$APXS != xno; then
	APACHE_CFLAGS="-I`apxs -q INCLUDEDIR CFLAGS`"
	APACHE_LIBS=`apxs -q LDFLAGS_SHLIB LIBS_SHLIB`

	save_CPPFLAGS=$CPPFLAGS
	CPPFLAGS=$APACHE_CFLAGS
	AC_CHECK_HEADERS(httpd.h http_config.h http_core.h http_log.h http_main.h http_protocol.h,
			  [enable_apache="yes"],
			  [enable_apache="no"
			   break])
	CPPFLAGS=$save_CPPFLAGS

	AC_SUBST(APACHE_CFLAGS)
	AC_SUBST(APACHE_LIBS)
fi


dnl *********************************************
dnl *** Checks for gtk-doc (lifted from glib) ***
dnl *********************************************

AC_ARG_WITH(html-dir, [  --with-html-dir=PATH     Path to installed docs ])

if test "x$with_html_dir" = "x" ; then
  HTML_DIR='${datadir}/gtk-doc/html'
else
  HTML_DIR=$with_html_dir
fi

AC_SUBST(HTML_DIR)

AC_CHECK_PROG(GTKDOC, gtkdoc-mkdb, true, false)
AM_CONDITIONAL(HAVE_GTK_DOC, $GTKDOC)
AC_SUBST(HAVE_GTK_DOC)

AC_CHECK_PROG(DB2HTML, db2html, true, false)
AM_CONDITIONAL(HAVE_DOCBOOK, $DB2HTML)

dnl Let people disable the gtk-doc stuff.
AC_ARG_ENABLE(gtk-doc, 
	      [  --enable-gtk-doc         Use gtk-doc to build documentation [default=auto]], 
	      enable_gtk_doc="$enableval", 
	      enable_gtk_doc=auto)

if test x$enable_gtk_doc = xauto ; then
  if test x$GTKDOC = xtrue ; then
    enable_gtk_doc=yes
  else
    enable_gtk_doc=no 
  fi
fi

dnl NOTE: We need to use a separate automake conditional for this
dnl       to make this work with the tarballs.
AM_CONDITIONAL(ENABLE_GTK_DOC, test x$enable_gtk_doc = xyes)


dnl *******************************************************
dnl *** Type alignment test (based on the one in ORBit) ***
dnl *******************************************************

AC_DEFUN(AC_CHECK_ALIGNOF,
[changequote(<<, >>)dnl
dnl The name to #define.
define(<<AC_TYPE_NAME>>, translit(alignof_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>, translit(ac_cv_alignof_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_MSG_CHECKING(alignment of $1)
align_save_libs="$LIBS"
LIBS="$GLIB_LIBS $LIBS"
AC_CACHE_VAL(AC_CV_NAME,
[AC_TRY_RUN([
#include <stdio.h>
#include <glib.h>
typedef struct {char s1;} gstruct;
struct test {char s1; $1 s2;};
main()
{
  FILE *f=fopen("conftestval", "w");
  if (!f) exit(1);
  fprintf(f, "%d\n", &(((struct test*)0)->s2));
  exit(0);
}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, AC_CV_NAME=0)])dnl
AC_MSG_RESULT($AC_CV_NAME)
LIBS="$align_save_libs"
AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])

orig_CPPFLAGS=$CPPFLAGS
CPPFLAGS=$GLIB_CFLAGS
AC_CHECK_ALIGNOF(gboolean)
AC_CHECK_ALIGNOF(gchar)
AC_CHECK_ALIGNOF(guchar)
AC_CHECK_ALIGNOF(gint)
AC_CHECK_ALIGNOF(guint)
AC_CHECK_ALIGNOF(gshort)
AC_CHECK_ALIGNOF(gushort)
AC_CHECK_ALIGNOF(glong)
AC_CHECK_ALIGNOF(gulong)
AC_CHECK_ALIGNOF(gint8)
AC_CHECK_ALIGNOF(guint8)
AC_CHECK_ALIGNOF(gint16)
AC_CHECK_ALIGNOF(guint16)
AC_CHECK_ALIGNOF(gint32)
AC_CHECK_ALIGNOF(guint32)
AC_CHECK_ALIGNOF(gfloat)
AC_CHECK_ALIGNOF(gdouble)
AC_CHECK_ALIGNOF(gpointer)
AC_CHECK_ALIGNOF(gstruct)
CPPFLAGS=$orig_CPPFLAGS


dnl *************************************
dnl *** Warnings to show if using GCC ***
dnl *************************************

AC_ARG_ENABLE(more-warnings,
	      [  --disable-more-warnings  Inhibit compiler warnings],
	      set_more_warnings=no)

if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
	CFLAGS="$CFLAGS \
		-Wall -Wstrict-prototypes -Wmissing-declarations \
		-Wmissing-prototypes -Wnested-externs -Wpointer-arith"
fi

# Use reentrant functions
CFLAGS="$CFLAGS -D_REENTRANT"


dnl *************************
dnl *** Output Everything ***
dnl *************************

AC_OUTPUT([
	soup-config
	soup.pc
	soup.spec
	Makefile
	docs/Makefile
	docs/reference/Makefile
	src/Makefile
	src/libsoup/Makefile
	src/libsoup-apache/Makefile
	src/libwsdl/Makefile
	src/soup-httpd/Makefile
	src/soup-ssl-proxy/Makefile
	src/soup-wsdl/Makefile
	tests/Makefile
	])

echo "

Configuration:

  Source code location:		${srcdir}
  Compiler:			${CC}
  Build flags:			${CFLAGS} ${SOUP_DEBUG_FLAGS}

  OpenSSL support:		${enable_openssl}
  Mozilla NSS support:		${enable_nss}

  Apache module support:	${enable_apache}

"