configure.in

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dnl Process this file with autoconf to produce a configure script.
AC_INIT(README)
AM_INIT_AUTOMAKE(cheetah, 0.05mt)
AM_CONFIG_HEADER(config.h)

dnl Check for compilers.  We set CFLAGS and CXXFLAGS to null if unset, so
dnl that these macros won't set them to default values that we don't want.
if test "x${CFLAGS-notset}" = "xnotset" ; then
    export CFLAGS
    CFLAGS=""
fi
AC_PROG_CC

dnl Checks for programs.
AC_PROG_MAKE_SET
AC_C_INLINE
AC_PROG_INSTALL

dnl Checks for header files.
AC_HEADER_STDC

dnl Check for functions
AC_CHECK_FUNCS(snprintf strdup)

dnl -------------------------------------------------------------------------
dnl General options
dnl -------------------------------------------------------------------------

CFLAGS="$CFLAGS -O2 -Wall"

AC_ARG_ENABLE(debug,     [  --enable-debug		Produce an executable with debugging symbols], 
			 [CFLAGS="$CFLAGS -g -D_DEBUG"])


dnl ---------------------------------------------------------------------------
dnl GTK Stuff
dnl ---------------------------------------------------------------------------

dnl AM_PATH_GTK(1.2.0,,exit 1, gthread)
AC_PATH_PROG(gtkconfigbsd,gtk12-config,no)

if test x$gtkconfigbsd = xno; then
	AM_PATH_GTK(1.2.0, , exit 1, gtk gthread)
	CFLAGS="$CFLAGS $GTK_CFLAGS"
	LIBS="$LIBS $GTK_LIBS"
else
	BSD_GTK_CFLAGS=`$gtkconfigbsd --cflags gtk gthread`
	BSD_GTK_LIBS=`$gtkconfigbsd --libs gtk gthread`
	CFLAGS="$CFLAGS $BSD_GTK_CFLAGS"
	LIBS="$LIBS $BSD_GTK_LIBS"
fi

dnl ---------------------------------------------------------------------------
dnl pthreads (POSIX threads)
dnl platforms test: Mandrake 8.0, Slackware 7.0, FreeBSD 4.2
dnl ---------------------------------------------------------------------------
THREAD1=0
THREAD2=0
THREAD3=0
THREAD4=0
AC_HEADER_CHECK(pthread.h,THREAD1=1)
AC_CHECK_LIB(pthread,pthread_create,THREAD2=1)
AC_CHECK_LIB(pthread,pthread_setcancelstate,THREAD3=1)
AC_CHECK_LIB(pthread,pthread_setcanceltype,THREAD4=1)

if test x$THREAD1$THREAD2 = x11; then
	LIBS="$LIBS -lpthread"
else
	AC_CHECK_LIB(c_r, pthread_create, THREAD2=1)
	if test x$THREAD2 = x1; then
		LIBS="$LIBS -lc_r"
		CFLAGS="$CFLAGS -pthread"
		AC_CHECK_LIB(c_r, pthread_setcancelstate, THREAD3=1)
		AC_CHECK_LIB(c_r, pthread_setcanceltype, THREAD4=1)
	else	
		echo "*** You must have pthreads support (glibc2.x for Linux, libc_r for"
		echo "*** FreeBSD) to compile and run Cheetah."
		exit 0
	fi
fi

dnl FreeBSD's implementation used to be flakky about these
if test x$THREAD3$THREAD4 = x11; then
	AC_DEFINE(HAVE_PTHREADS_CANCEL_FLAGS)
fi

dnl ---------------------------------------------------------------------------
dnl libpng Stuff
dnl ---------------------------------------------------------------------------

AC_CHECK_LIB(png, png_read_info,
	have_libpng=yes, have_libpng=no)

if test x$have_lib_png = xno; then
	echo "*** You require libpng to compile and run"
	echo "*** RockBlast. You can obtain libpng at"
	echo "*** http://www.libpng.org/pub/png. See INSTALL file"
	echo "*** for more details"
	exit 0
fi

LIBS="$LIBS -lpng"

dnl ---------------------------------------------------------------------------
dnl libungif Stuff
dnl ---------------------------------------------------------------------------

AC_CHECK_LIB(gif, DGifOpenFileHandle,
	have_libgif=yes, have_libgif=no)

if test x$have_libgif = xyes; then
	LIBS="$LIBS -lgif"
else
	AC_CHECK_LIB(ungif, DGifOpenFileHandle,
		have_libungif=yes, have_libungif=no)
	if test x$have_libungif = xyes; then
		LIBS="$LIBS -lungif"
	else
		echo "*** You require libungif to compile and run"
		echo "*** Cheetah. You can obtain libungif at"
		echo "*** http://http://prtr-13.ucsc.edu/~badger/software/libungif/."
		echo "*** See INSTALL file for more details"
		exit 0
	fi
fi

dnl ---------------------------------------------------------------------------
dnl libjpeg Stuff
dnl ---------------------------------------------------------------------------

AC_CHECK_LIB(jpeg, jpeg_stdio_src,
	have_libjpeg=yes, have_libjpeg=no)

if test x$have_libjpeg = xno; then
	echo "*** You require libjpeg to compile and run"
	echo "*** Cheetah. You can obtain libjpeg at"
	echo "*** http://www.ijg.org/. See INSTALL file"
	echo "*** for more details"
	exit 0
fi

LIBS="$LIBS -ljpeg"

AC_OUTPUT(Makefile src/Makefile utils/Makefile tests/Makefile)