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#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.65)
AC_INIT([Experiment Player], [dev], [robin.haberkorn@st.ovgu.de])
AC_CONFIG_AUX_DIR(config)
AM_INIT_AUTOMAKE

AC_CONFIG_SRCDIR(src/player.c)
AC_CONFIG_HEADER(config.h)

AC_CANONICAL_BUILD
AC_CANONICAL_HOST

#
# Checks for programs.
#
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_CC_C_O
# FIXME: check whether c99 is actually available

AC_CHECK_PROG(PKG_CONFIG, pkg-config, pkg-config)
if [[ x$PKG_CONFIG = x ]]; then
	AC_MSG_ERROR([Couldn't find pkg-config])
fi

#
# Checks for libraries.
#
if ! $PKG_CONFIG gtk+-2.0; then
	AC_MSG_ERROR([Required gtk+-2.0 package is missing!])
fi
CFLAGS="$CFLAGS `$PKG_CONFIG --cflags gtk+-2.0`"
LIBS="$LIBS `$PKG_CONFIG --libs gtk+-2.0`"

if ! $PKG_CONFIG libvlc vlc-plugin; then
	AC_MSG_ERROR([Required libvlc package is missing!])
fi
CFLAGS="$CFLAGS `$PKG_CONFIG --cflags libvlc vlc-plugin`"
LIBS="$LIBS `$PKG_CONFIG --libs libvlc`"

AC_CHECK_PROG(XML2_CONFIG, xml2-config, xml2-config)
if [[ x$XML2_CONFIG != x ]]; then
	CFLAGS="$CFLAGS `$XML2_CONFIG --cflags`"
	LIBS="$LIBS `$XML2_CONFIG --libs`"
elif $PKG_CONFIG libxml-2.0; then
	CFLAGS="$CFLAGS `$PKG_CONFIG --cflags libxml-2.0`"
	LIBS="$LIBS `$PKG_CONFIG --libs libxml-2.0`"
else
	AC_CHECK_LIB(xml2, xmlParseFile, , [
		AC_MSG_ERROR([Required libxml-2.0 package or library missing!])
	])

	AC_CHECK_HEADERS([libxml/tree.h libxml/parser.h \
			  libxml/xpath.h libxml/xpathInternals.h], , [
		AC_MSG_ERROR([Required libxml headers are missing!])
	])
fi

#
# Checks for header files.
#
AC_HEADER_STDC

case $host in
*-*-linux*)
	AC_CHECK_HEADERS([X11/Xlib.h], , [
		AC_MSG_ERROR([Missing X11/Xlib.h!])
	])
	;;
esac

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T

# Checks for library functions.
AC_FUNC_MALLOC
AC_FUNC_REALLOC

#
# Config options
#

# FIXME
AC_DEFINE(USE_BUILDER, , [foo])
AC_DEFINE(TRANSCRIPT_JUSTIFY, 1, [foo])

# Export symbols
# necessary for auto-registering GTK+ signal handlers by GTK+ builder
case $host in
*-*-linux*)	LIBS="$LIBS -Wl,--export-dynamic" ;;
*-*-windows*)	LIBS="$LIBS -Wl,--export-all-symbols" ;;
esac

AC_CONFIG_FILES([Makefile src/Makefile])
AC_OUTPUT