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# 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.
AC_PREREQ([2.60])
AC_INIT([glu],
[9.0.1],
[https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa&component=GLU])
AC_CONFIG_SRCDIR([Makefile.am])
AC_CANONICAL_HOST
AM_INIT_AUTOMAKE([dist-xz foreign subdir-objects])
LT_PREREQ([2.2])
LT_INIT
dnl Check for progs
AC_PROG_CPP
AC_PROG_CC
AC_PROG_CXX
dnl Enable quiet compiles on automake 1.11.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_ARG_ENABLE(debug,
AS_HELP_STRING([--enable-debug],
[Enable debugging information]),
[if test x$enableval = xyes; then
CFLAGS="$CFLAGS -g -O0 -DDEBUG"
CXXFLAGS="$CXXFLAGS -g -O0 -DDEBUG"; else
CFLAGS="$CFLAGS -DNDEBUG"
CXXFLAGS="$CXXFLAGS -DNDEBUG"; fi],
[CFLAGS="$CFLAGS -DNDEBUG"
CXXFLAGS="$CXXFLAGS -DNDEBUG"])
dnl Make sure the pkg-config macros are defined
m4_ifndef([PKG_PROG_PKG_CONFIG],
[m4_fatal([Could not locate the pkg-config autoconf macros.
These are usually located in /usr/share/aclocal/pkg.m4. If your macros
are in a different location, try setting the environment variable
ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])])
PKG_PROG_PKG_CONFIG()
AC_ARG_ENABLE(osmesa,
AS_HELP_STRING([--enable-osmesa],
[Enable use of OSMesa instead of libGL]),
[OSMESA="$enableval"],
[OSMESA=no])
dnl Get the pkg-config definitions for libGL/OSMesa. We include a fallback
dnl path for implementations that don't provide a .pc file
if test "x$OSMESA" = "xyes"; then
GLU_REQUIRES="osmesa"
PKG_CHECK_MODULES(OSMESA, [osmesa], [], [
AC_CHECK_LIB([OSMesa],
[glBegin],
[OSMESA_LIBS=-lOSMesa],
AC_MSG_ERROR([OSMesa required]))
])
else
GLU_REQUIRES="gl"
PKG_CHECK_MODULES(GL, [gl], [], [
AC_CHECK_HEADER([GL/gl.h],
[],
AC_MSG_ERROR([GL not found]))
AC_CHECK_LIB([GL],
[glBegin],
[GL_LIBS=-lGL],
AC_MSG_ERROR([GL required]))
])
fi
AC_SUBST([GLU_REQUIRES])
dnl Set up C warning and visibility flags.
if test "x$GCC" = xyes; then
WARNCFLAGS="-Wall"
# Enable -fvisibility=hidden if using a gcc that supports it
save_CFLAGS="$CFLAGS"
AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
VISIBILITY_CFLAGS="-fvisibility=hidden"
CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
[VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
# Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
CFLAGS=$save_CFLAGS
if test "x$GXX" = xyes; then
WARNCXXFLAGS="-Wall"
# Enable -fvisibility=hidden if using a gcc that supports it
save_CXXFLAGS="$CXXFLAGS"
AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden])
VISIBILITY_CXXFLAGS="-fvisibility=hidden"
CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS"
AC_LANG_PUSH([C++])
AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
[VISIBILITY_CXXFLAGS=""; AC_MSG_RESULT([no])]);
AC_LANG_POP([C++])
# Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
CXXFLAGS=$save_CXXFLAGS
fi
else
AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
if test "x$SUNCC" = "xyes"; then
WARNCFLAGS="-v"
WARNCXXFLAGS="-v"
fi
fi
AC_SUBST([WARNCFLAGS])
AC_SUBST([WARNCXXFLAGS])
AC_SUBST([VISIBILITY_CFLAGS])
AC_SUBST([VISIBILITY_CXXFLAGS])
AC_OUTPUT([
Makefile
glu.pc
])
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