dnl Copyright 2009 Eric Anholt
dnl All Rights Reserved.
dnl
dnl Permission is hereby granted, free of charge, to any person obtaining a
dnl copy of this software and associated documentation files (the "Software"),
dnl to deal in the Software without restriction, including without limitation
dnl the rights to use, copy, modify, merge, publish, distribute, sublicense,
dnl and/or sell copies of the Software, and to permit persons to whom the
dnl Software is furnished to do so, subject to the following conditions:
dnl
dnl The above copyright notice and this permission notice (including the next
dnl paragraph) shall be included in all copies or substantial portions of the
dnl Software.
dnl
dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
dnl THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
dnl DEALINGS IN THE SOFTWARE.
dnl
dnl Authors:
dnl    Eric Anholt <eric@anholt.net>
dnl
dnl Process this file with autoconf to create configure.

AC_PREREQ([2.57])
AC_INIT(glass, 0.1, [eric@anholt.net], glass)

AC_CONFIG_SRCDIR([Makefile.am])
AM_CONFIG_HEADER([config.h])
AC_CONFIG_AUX_DIR(.)

AC_PROG_LIBTOOL
AM_INIT_AUTOMAKE([dist-bzip2])

AM_MAINTAINER_MODE

AC_DISABLE_STATIC
AC_PROG_CC

dnl Use lots of warning flags with GCC

WARN_CFLAGS=""
if test "x$GCC" = "xyes"; then
	WARN_CFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes \
	-Wmissing-prototypes -Wmissing-declarations \
	-Wnested-externs -fno-strict-aliasing -Wno-switch-enum"
fi
AC_SUBST([WARN_CFLAGS])

PKG_CHECK_MODULES(GL, [gl glu3 sdl])
GL_LIBS="$GL_LIBS -lGLEW"

dnl libpng check, taken from cairo.  Yuck.
use_png=no
for l in libpng12 libpng13 libpng10 ; do
  if $PKG_CONFIG --exists $l ; then
    png_REQUIRES=$l
    use_png=yes
    break
  fi
done
if test "x$use_png" = "xyes" ; then
  PKG_CHECK_MODULES(PNG, $png_REQUIRES)
else
  AC_MSG_WARN([Could not find libpng in the pkg-config search path])
fi

AC_OUTPUT([
	Makefile
])