1 # Copyright 2005 Adam Jackson.
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 # on the rights to use, copy, modify, merge, publish, distribute, sub
7 # license, and/or sell copies of the Software, and to permit persons to whom
8 # the Software is furnished to do so, subject to the following conditions:
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
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 NON-INFRINGEMENT. IN NO EVENT SHALL
17 # ADAM JACKSON BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
18 # IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 AC_INIT([libdrm], 2.4.4, [dri-devel@lists.sourceforge.net], libdrm)
23 AC_CONFIG_SRCDIR([Makefile.am])
24 AM_INIT_AUTOMAKE([dist-bzip2])
26 AM_CONFIG_HEADER([libdrm/config.h])
35 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
36 AC_SUBST(PTHREADSTUBS_CFLAGS)
37 AC_SUBST(PTHREADSTUBS_LIBS)
39 pkgconfigdir=${libdir}/pkgconfig
40 AC_SUBST(pkgconfigdir)
41 AC_ARG_ENABLE(udev, AS_HELP_STRING([--enable-udev],
42 [Enable support for using udev instead of mknod (default: disabled)]),
43 [UDEV=$enableval], [UDEV=no])
46 dnl ===========================================================================
47 dnl check compiler flags
48 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
49 AC_MSG_CHECKING([whether $CC supports $1])
51 libdrm_save_CFLAGS="$CFLAGS"
54 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
55 CFLAGS="$libdrm_save_CFLAGS"
57 if test "x$libdrm_cc_flag" = "xyes"; then
58 ifelse([$2], , :, [$2])
60 ifelse([$3], , :, [$3])
62 AC_MSG_RESULT([$libdrm_cc_flag])
65 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
67 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
68 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
69 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
72 dnl Use lots of warning flags with with gcc and compatible compilers
74 dnl Note: if you change the following variable, the cache is automatically
75 dnl skipped and all flags rechecked. So there's no need to do anything
76 dnl else. If for any reason you need to force a recheck, just change
77 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
79 MAYBE_WARN="-Wall -Wextra \
80 -Wsign-compare -Werror-implicit-function-declaration \
81 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
82 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
83 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
84 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
85 -Wdeclaration-after-statement -Wold-style-definition \
86 -Wno-missing-field-initializers -Wno-unused-parameter \
87 -Wno-attributes -Wno-long-long -Winline"
89 # invalidate cached value if MAYBE_WARN has changed
90 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
91 unset libdrm_cv_warn_cflags
93 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
97 # Some warning options are not supported by all versions of
98 # gcc, so test all desired options against the current
101 # Note that there are some order dependencies
102 # here. Specifically, an option that disables a warning will
103 # have no net effect if a later option then enables that
104 # warnings, (perhaps implicitly). So we put some grouped
105 # options (-Wall and -Wextra) up front and the -Wno options
108 for W in $MAYBE_WARN; do
109 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
112 libdrm_cv_warn_cflags=$WARN_CFLAGS
113 libdrm_cv_warn_maybe=$MAYBE_WARN
115 AC_MSG_CHECKING([which warning flags were supported])])
116 WARN_CFLAGS="$libdrm_cv_warn_cflags"
118 if test "x$UDEV" = xyes; then
119 AC_DEFINE(UDEV, 1, [Have UDEV support])
122 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
123 if test "x$HAVE_CAIRO" = xyes; then
124 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
126 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
129 AC_SUBST(WARN_CFLAGS)
133 libdrm/intel/Makefile
136 tests/modeprint/Makefile
137 tests/modetest/Makefile