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

dnl Process this file with autoconf to create configure.

AC_PREREQ([2.59])
AC_INIT([mesa-demos], [7.7],
    [https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa])
AC_CANONICAL_HOST

AM_INIT_AUTOMAKE([dist-bzip2])

dnl Check for progs
AC_PROG_CPP
AC_PROG_CC
AC_PROG_CXX
AC_PROG_LIBTOOL

# Enable quiet compiles on automake 1.11.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

dnl Make sure the pkg-config macros are defined
m4_ifndef([PKG_PROG_PKG_CONFIG],
    [m4_fatal([Could not locate the pkg-config autoconf macros.
  These are usually located in /usr/share/aclocal/pkg.m4. If your macros
  are in a different location, try setting the environment variable
  ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])])
PKG_PROG_PKG_CONFIG()

dnl Get the pkg-config definitions for libGL.  Probably want a fallback for
dnl non-pkgconfig here.
PKG_CHECK_MODULES(DEMO, [gl])

dnl Check for GLUT
GLUT_CFLAGS=""
GLUT_LIB=-lglut
glut_enabled=yes
AC_ARG_WITH([glut],
	[AS_HELP_STRING([--with-glut=DIR],
			[glut install directory])],
	[GLUT_CFLAGS="-I$withval/include"
	 GLUT_LIB="-L$withval/lib -lglut"])
AC_CHECK_HEADER([GL/glut.h],
		[],
		[glut_enabled=no])
AC_CHECK_LIB([glut],
		[glutInit],
		[],
		[glut_enabled=no])

dnl Check for GLEW.
GLEW_CFLAGS=""
GLEW_LIB=-lGLEW
AC_ARG_WITH([glew],
	[AS_HELP_STRING([--with-glew=DIR],
			[glew install directory])],
	[GLEW_CFLAGS="-I$withval/include"
	 GLEW_LIB="-L$withval/lib -lGLEW"])
AC_CHECK_HEADER([GL/glew.h],
		[],
		AC_MSG_ERROR([GLEW required]))
AC_CHECK_LIB([GLEW],
		[glewInit],
		[],
		AC_MSG_ERROR([GLEW required]))
DEMO_CFLAGS="$DEMO_CFLAGS $GLEW_CFLAGS"
DEMO_LIBS="$DEMO_CFLAGS $GLEW_LIBS"

dnl Compiler macros
case "$host_os" in
linux*|*-gnu*|gnu*)
    DEMO_CFLAGS="$DEMO_CFLAGS -D_GNU_SOURCE -DPTHREADS"
    ;;
solaris*)
    DEMO_CFLAGS="$DEFINES -DPTHREADS -DSVR4"
    ;;
cygwin*)
    DEMO_CFLAGS="$DEFINES -DPTHREADS"
    ;;
esac

dnl These should be unnecessary, but let the user set them if they want
AC_ARG_VAR([OPT_FLAGS], [Additional optimization flags for the compiler.
    Default is to use CFLAGS.])
AC_ARG_VAR([ARCH_FLAGS], [Additional architecture specific flags for the
    compiler. Default is to use CFLAGS.])
AC_SUBST([OPT_FLAGS])
AC_SUBST([ARCH_FLAGS])

dnl Set up C warning flags.  Copy of XORG_CWARNFLAGS.
if  test "x$GCC" = xyes ; then
    CWARNFLAGS="-Wall -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes \
-Wmissing-declarations -Wnested-externs -fno-strict-aliasing \
-Wbad-function-cast"
    case `$CC -dumpversion` in
    3.4.* | 4.*)
	CWARNFLAGS="$CWARNFLAGS -Wold-style-definition -Wdeclaration-after-statement"
	;;
    esac
else
    AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
    if test "x$SUNCC" = "xyes"; then
	CWARNFLAGS="-v"
    fi
fi
DEMO_CFLAGS="$DEMO_CFLAGS $CWARNFLAGS"

PKG_CHECK_MODULES(XLIB, [x11 xshape], [enable_x11=no], [enable_x11=yes])
<<<<<<< HEAD

mesa_source_enabled=no
AC_ARG_WITH([mesa-source],
	[AS_HELP_STRING([--with-mesa-source=DIR],
			[Mesa source directory for finding gl_API.xml])],
	[mesa_source_enabled="yes"
	 mesa_source_dir="$withval"],
	[mesa_source_enabled="no"])
MESA_GLAPI="$mesa_source_dir/src/mesa/glapi"
=======
>>>>>>> Convert xdemos Makefile.

dnl
dnl Program library dependencies
dnl    Only libm is added here if necessary as the libraries should
dnl    be pulled in by the linker
dnl
if test "x$APP_LIB_DEPS" = x; then
    case "$host_os" in
    solaris*)
	APP_LIB_DEPS="-lX11 -lsocket -lnsl -lm"
	;;
    cygwin*)
	APP_LIB_DEPS="-lX11"
	;;
    *)
	APP_LIB_DEPS="-lm"
        ;;
    esac
fi
AC_SUBST([APP_LIB_DEPS])

AC_SUBST([DEMO_CFLAGS])
AC_SUBST([DEMO_LIBS])
AC_SUBST([GLUT_CFLAGS])
AC_SUBST([GLUT_LIBS])
AC_SUBST([X11_CFLAGS])
AC_SUBST([X11_LIBS])

AM_CONDITIONAL(HAVE_GLUT, test "x$glut_enabled" = "xyes")
AM_CONDITIONAL(HAVE_X11, test "x$x11_enabled" = "xyes")

AC_OUTPUT([
	Makefile
	src/Makefile
	src/demos/Makefile
	src/fp/Makefile
	src/glsl/Makefile
	src/trivial/Makefile
	src/util/Makefile
	src/vp/Makefile
	src/windml/Makefile
	src/xdemos/Makefile
])