configure.ac revision f220fa62 
1# Copyright © 2011 Intel Corporation
2#
3# Permission is hereby granted, free of charge, to any person obtaining a
4# copy of this software and associated documentation files (the "Software"),
5# to deal in the Software without restriction, including without limitation
6# the rights to use, copy, modify, merge, publish, distribute, sublicense,
7# and/or sell copies of the Software, and to permit persons to whom the
8# Software is furnished to do so, subject to the following conditions:
9#
10# The above copyright notice and this permission notice (including the next
11# paragraph) shall be included in all copies or substantial portions of the
12# Software.
13#
14# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
20# IN THE SOFTWARE.
21
22AC_PREREQ([2.60])
23AC_INIT([glu],
24        [9.0.0],
25        [https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa&component=GLU])
26AC_CONFIG_SRCDIR([Makefile.am])
27AC_CANONICAL_HOST
28
29AM_INIT_AUTOMAKE([dist-bzip2 foreign subdir-objects])
30
31LT_PREREQ([2.2])
32LT_INIT
33
34dnl Check for progs
35AC_PROG_CPP
36AC_PROG_CC
37AC_PROG_CXX
38
39dnl Enable quiet compiles on automake 1.11.
40m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
41
42AC_ARG_ENABLE(debug,
43              AS_HELP_STRING([--enable-debug],
44                [Enable debugging information]),
45              [CFLAGS="$CFLAGS -g -O0"
46               CXXFLAGS="$CXXFLAGS -g -O0"],
47              [])
48
49dnl Make sure the pkg-config macros are defined
50m4_ifndef([PKG_PROG_PKG_CONFIG],
51    [m4_fatal([Could not locate the pkg-config autoconf macros.
52  These are usually located in /usr/share/aclocal/pkg.m4. If your macros
53  are in a different location, try setting the environment variable
54  ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])])
55PKG_PROG_PKG_CONFIG()
56
57AC_ARG_ENABLE(osmesa,
58              AS_HELP_STRING([--enable-osmesa],
59                [Enable use of OSMesa instead of libGL]),
60              [OSMESA="$enableval"],
61              [OSMESA=no])
62
63dnl Get the pkg-config definitions for libGL/OSMesa.  We include a fallback
64dnl path for implementations that don't provide a .pc file
65if test "x$OSMESA" = "xyes"; then
66    GLU_REQUIRES="osmesa"
67    PKG_CHECK_MODULES(OSMESA, [osmesa], [], [
68          AC_CHECK_LIB([OSMesa],
69                   [glBegin],
70                   [OSMESA_LIBS=-lOSMesa],
71                   AC_MSG_ERROR([OSMesa required]))
72          ])
73else
74    GLU_REQUIRES="gl"
75    PKG_CHECK_MODULES(GL, [gl], [], [
76          AC_CHECK_HEADER([GL/gl.h],
77                  [],
78                  AC_MSG_ERROR([GL not found]))
79          AC_CHECK_LIB([GL],
80                   [glBegin],
81                   [GL_LIBS=-lGL],
82                   AC_MSG_ERROR([GL required]))
83          ])
84fi
85AC_SUBST([GLU_REQUIRES])
86
87dnl Set up C warning and visibility flags.
88if test "x$GCC" = xyes; then
89    WARNCFLAGS="-Wall"
90
91    # Enable -fvisibility=hidden if using a gcc that supports it
92    save_CFLAGS="$CFLAGS"
93    AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
94    VISIBILITY_CFLAGS="-fvisibility=hidden"
95    CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
96    AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
97                   [VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
98
99    # Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
100    CFLAGS=$save_CFLAGS
101
102    if test "x$GXX" = xyes; then
103        WARNCXXFLAGS="-Wall"
104
105        # Enable -fvisibility=hidden if using a gcc that supports it
106        save_CXXFLAGS="$CXXFLAGS"
107        AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden])
108        VISIBILITY_CXXFLAGS="-fvisibility=hidden"
109        CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS"
110        AC_LANG_PUSH([C++])
111        AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
112                       [VISIBILITY_CXXFLAGS=""; AC_MSG_RESULT([no])]);
113        AC_LANG_POP([C++])
114
115        # Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
116        CXXFLAGS=$save_CXXFLAGS
117    fi
118else
119    AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
120    if test "x$SUNCC" = "xyes"; then
121        WARNCFLAGS="-v"
122        WARNCXXFLAGS="-v"
123    fi
124fi
125AC_SUBST([WARNCFLAGS])
126AC_SUBST([WARNCXXFLAGS])
127AC_SUBST([VISIBILITY_CFLAGS])
128AC_SUBST([VISIBILITY_CXXFLAGS])
129
130AC_OUTPUT([
131    Makefile
132    glu.pc
133])
134