# Copyright © 2011 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.

dnl Process this file with autoconf to create configure.

AC_PREREQ([2.59])

AC_INIT([glw], [8.0.0],

    [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_LIBTOOL

AM_PROG_CC_C_O

# 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()

AC_ARG_ENABLE([motif],

    [AS_HELP_STRING([--enable-motif],

        [use Motif widgets @<:@default=disabled@:>@])],

    [enable_motif="$enableval"],

    [enable_motif=no])

AM_CONDITIONAL([ENABLE_MOTIF], [test "$enable_motif" = yes])

dnl Get the pkg-config definitions for libGL.  We include a fallback

dnl path for GL implementation that don't provide a .pc file

PKG_CHECK_MODULES(GL, [gl], [], [

		  AC_CHECK_HEADER([GL/gl.h],

				  [],

				  AC_MSG_ERROR([GL not found]))

		  AC_CHECK_LIB([GL],

			       [glBegin],

			       [GL_LIBS=-lGL],

			       AC_MSG_ERROR([GL required]))

		  ])

PKG_CHECK_MODULES([GLW],[x11 xt])

MOTIF_CFLAGS=

if test "x$enable_motif" = xyes; then

    AC_PATH_PROG([MOTIF_CONFIG], [motif-config], [no])

    if test "x$MOTIF_CONFIG" != xno; then

        MOTIF_CFLAGS=`$MOTIF_CONFIG --cflags`

        MOTIF_LIBS=`$MOTIF_CONFIG --libs`

    else

        AC_CHECK_HEADER([Xm/PrimitiveP.h], [],

            [AC_MSG_ERROR([Can't locate Motif headers])])

        AC_CHECK_LIB([Xm], [XmGetPixmap], [MOTIF_LIBS="-lXm"],

            [AC_MSG_ERROR([Can't locate Motif Xm library])])

    fi

    # MOTIF_LIBS is prepended to GLW_LIB_DEPS since Xm needs Xt/X11

    GLW_PC_LIB_PRIV="$MOTIF_LIBS $GLW_PC_LIB_PRIV"

    GLW_PC_CFLAGS="$MOTIF_CFLAGS $GLW_PC_CFLAGS"

fi

AC_SUBST([GLW_PC_LIB_PRIV])

AC_SUBST([GLW_PC_CFLAGS])

CFLAGS="$CFLAGS $GL_CFLAGS"

LIBS="$LIBS $GL_LIBS $MOTIF_LIBS"

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

CFLAGS="$CFLAGS $CWARNFLAGS"

PKG_CHECK_MODULES(X11, [x11 xext], [x11_enabled=yes], [enable_x11=no])

AC_CONFIG_FILES([glw.pc])

AC_OUTPUT([

	Makefile

])