AC_INIT(gstreamer-sharp, m4_esyscmd([tr -d '\n' < VERSION]))
AC_CONFIG_SRCDIR([README])
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE
AC_PROG_INSTALL
AC_PROG_CC
LT_INIT

dnl Package settings
ASSEMBLY_VERSION=`cat VERSION`
ASSEMBLY_COMPANY=""
ASSEMBLY_COPYRIGHT="2014 GStreamerSharp Contributors"
ASSEMBLY_DESCRIPTION="Gst-1.4 bindings for Mono"
ASSEMBLY_NAME="gstreamer-sharp"
ASSEMBLY_NAMESPACE="Gst"
ASSEMBLY_PC="gstreamer-sharp-1.0"
ASSEMBLY_SHORTNAME="gstreamer"
ASSEMBLY_TITLE="Gst#"
AC_SUBST([ACLOCAL_AMFLAGS], ["-I m4 \${ACLOCAL_FLAGS}"])

AC_SUBST(ASSEMBLY_NAME)
AC_SUBST(ASSEMBLY_VERSION)
AC_SUBST(ASSEMBLY_NAMESPACE)
AC_SUBST(ASSEMBLY_SHORTNAME)
AC_SUBST(ASSEMBLY_TITLE)
AC_SUBST(ASSEMBLY_DESCRIPTION)
AC_SUBST(ASSEMBLY_COMPANY)
AC_SUBST(ASSEMBLY_COPYRIGHT)
AC_SUBST(ASSEMBLY_PC)

dnl Check for pkg-config
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
if test "x$PKG_CONFIG" = "xno"; then
	AC_MSG_ERROR(['pkg-config' is not in your PATH.])
fi

dnl Check for Mono
PKG_CHECK_MODULES(MONO_DEPENDENCY, mono >= 1.0, has_mono=true, has_mono=false)

if test "x$has_mono" = "xtrue"; then
	AC_PATH_PROG(RUNTIME, mono, no)
	AC_PATH_PROG(CSC, mcs, no)
	LIB_PREFIX=.so
	LIB_SUFFIX=
else
	AC_PATH_PROG(CSC, csc.exe, no)
	if test x$CSC = "xno"; then
		AC_MSG_ERROR([You need to install either mono or .Net])
	else
		RUNTIME=
		LIB_PREFIX=
		LIB_SUFFIX=.dylib
	fi
fi

CS="C#"
if test "x$CSC" = "xno" ; then
    AC_MSG_ERROR([No $CS compiler found])
fi

AC_PATH_PROG(GACUTIL, gacutil, no)
if test "x$GACUTIL" = "xno" ; then
	AC_MSG_ERROR([No gacutil tool found])
fi

GACUTIL_FLAGS="/package $ASSEMBLY_NAME /root "'$(DESTDIR)$(prefix)/lib'
                                     
AC_SUBST(RUNTIME)
AC_SUBST(CSC)
AC_SUBST(GACUTIL)
AC_SUBST(GACUTIL_FLAGS)
AC_SUBST(LIB_PREFIX)
AC_SUBST(LIB_SUFFIX)

GTK_SHARP_VERSION=2.99.4
dnl Check for glib-sharp
PKG_CHECK_MODULES(GLIB_SHARP, glib-sharp-3.0 >= $GTK_SHARP_VERSION)
AC_SUBST(GLIB_SHARP_CFLAGS)
AC_SUBST(GLIB_SHARP_LIBS)
gtksharp_prefix=`pkg-config --variable=prefix gtk-sharp-3.0`
gapidir=`pkg-config --variable=gapidir gtk-sharp-3.0`
AC_SUBST(gtksharp_prefix)
AC_SUBST(gapidir)

dnl Check for gio-sharp
PKG_CHECK_MODULES(GIO_SHARP, gio-sharp-3.0 >= $GTK_SHARP_VERSION)
AC_SUBST(GIO_SHARP_CFLAGS)
AC_SUBST(GIO_SHARP_LIBS)

dnl Check for gtk-sharp
PKG_CHECK_MODULES(GTK_SHARP, gtk-sharp-3.0 >= $GTK_SHARP_VERSION)
AC_SUBST(GTK_SHARP_CFLAGS)
AC_SUBST(GTK_SHARP_LIBS)

dnl Find GAPI
PKG_CHECK_MODULES(GAPI, gapi-3.0 >= $GTK_SHARP_VERSION)

dnl Check for gapi
AC_PATH_PROG(GAPI_PARSER, gapi3-parser, no)
if test "x$GAPI_PARSER" = "xno"; then
	AC_MSG_CHECKING(for gapi3-parser.exe)
	GAPI_PARSER=`which gapi3-parser.exe 2> /dev/null`
	if test "x$GAPI_PARSER" = "xno" ; then
		AC_MSG_ERROR(['gapi3_parser'/'gapi3-parser.exe' not found.])
	fi
	AC_MSG_RESULT($GAPI_PARSER)
	GAPI_PARSER="$MONO $GAPI_PARSER"
fi
AC_SUBST(GAPI_PARSER)

AC_PATH_PROG(GAPI_FIXUP, gapi3-fixup, no)
if test "x$GAPI_FIXUP" = "xno"; then
	AC_MSG_CHECKING(for gapi3-fixup.exe)
	GAPI_FIXUP=`which gapi3-fixup.exe 2> /dev/null`
	if test "x$GAPI_FIXUP" = "xno" ; then
		AC_MSG_ERROR(['gapi3_fixup'/'gapi3-fixup.exe' not found.])
	fi
	AC_MSG_RESULT($GAPI_FIXUP)
	GAPI_FIXUP="$MONO $GAPI_FIXUP"
fi
AC_SUBST(GAPI_FIXUP)

AC_PATH_PROG(GAPI_CODEGEN, gapi3-codegen, no)
if test "x$GAPI_CODEGEN" = "xno"; then
	AC_MSG_CHECKING(for gapi3_codegen.exe)
	GAPI_CODEGEN=`which gapi3_codegen.exe 2> /dev/null`
	if test "x$GAPI_CODEGEN" = "xno" ; then
		AC_MSG_ERROR(['gapi3-codegen'/'gapi3_codegen.exe' not found.])
	fi
	AC_MSG_RESULT([$GAPI_CODEGEN])
	GAPI_CODEGEN="$MONO $GAPI_CODEGEN"
fi
AC_SUBST(GAPI_CODEGEN)

dnl Check for monodoc
AC_PATH_PROG(MDASSEMBLER, mdassembler, no)
AC_PATH_PROG(MONODOCER, monodocer, no)
AC_PATH_PROG(MONODOCS2HTML, monodocs2html, no)
if test "x$MONODOCER" = "xno" -o "x$MDASSEMBLER" = "xno"; then
	enable_monodoc=no
	doc_sources_dir=
else
	enable_monodoc=yes
	doc_sources_dir="`pkg-config --variable=sourcesdir monodoc`"
fi
AC_SUBST(MDASSEMBLER)
AC_SUBST(MONODOCER)
AC_SUBST(MONODOCS2HTML)

AM_CONDITIONAL(ENABLE_MONODOC, test "x$enable_monodoc" = "xyes")

dnl Check for Gst
GSTREAMER_REQUIRED_VERSION=1.4.0
PKG_CHECK_MODULES(GST,
		gstreamer-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-app-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-audio-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-base-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-controller-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-fft-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-net-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-pbutils-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-riff-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-rtp-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-rtsp-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-sdp-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-tag-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-video-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-plugins-bad-1.0 >= $GSTREAMER_REQUIRED_VERSION
		gstreamer-plugins-base-1.0 >= $GSTREAMER_REQUIRED_VERSION
)

gstreamer_prefix=`pkg-config --variable=prefix gtk-sharp-3.0`
AC_SUBST(gstreamer_prefix)
AC_SUBST(GST_LIBS)
AC_SUBST(GST_CFLAGS)

GST_INCLUDEDIR=`pkg-config gstreamer-1.0 --variable=includedir`
AC_SUBST(GST_INCLUDEDIR)


AC_CONFIG_FILES([
	Makefile
	sources/Makefile
	sources/glue/Makefile
    samples/Makefile
	sources/AssemblyInfo.cs
	gstreamer-sharp-1.0.pc
	doc/Makefile
])
AC_OUTPUT

echo ""
echo "Configuration summary"
echo "---------------------"
echo ""
echo "   * Installation prefix: $prefix"
echo "   * compiler: $CSC"
echo "   * Documentation:  ($MONODOC)"
echo ""