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], 2.4.6, [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])
45 AC_ARG_ENABLE(nouveau-experimental-api,
46 AS_HELP_STRING([--enable-nouveau-experimental-api],
47 [Enable support for nouveau's experimental API (default: disabled)]),
48 [NOUVEAU=$enableval], [NOUVEAU=no])
50 dnl ===========================================================================
51 dnl check compiler flags
52 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
53 AC_MSG_CHECKING([whether $CC supports $1])
55 libdrm_save_CFLAGS="$CFLAGS"
58 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
59 CFLAGS="$libdrm_save_CFLAGS"
61 if test "x$libdrm_cc_flag" = "xyes"; then
62 ifelse([$2], , :, [$2])
64 ifelse([$3], , :, [$3])
66 AC_MSG_RESULT([$libdrm_cc_flag])
69 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
71 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
72 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
73 [AC_MSG_ERROR([Couldn't find clock_gettime])])])
76 dnl Use lots of warning flags with with gcc and compatible compilers
78 dnl Note: if you change the following variable, the cache is automatically
79 dnl skipped and all flags rechecked. So there's no need to do anything
80 dnl else. If for any reason you need to force a recheck, just change
81 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
83 MAYBE_WARN="-Wall -Wextra \
84 -Wsign-compare -Werror-implicit-function-declaration \
85 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
86 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
87 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
88 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
89 -Wdeclaration-after-statement -Wold-style-definition \
90 -Wno-missing-field-initializers -Wno-unused-parameter \
91 -Wno-attributes -Wno-long-long -Winline"
93 # invalidate cached value if MAYBE_WARN has changed
94 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
95 unset libdrm_cv_warn_cflags
97 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
101 # Some warning options are not supported by all versions of
102 # gcc, so test all desired options against the current
105 # Note that there are some order dependencies
106 # here. Specifically, an option that disables a warning will
107 # have no net effect if a later option then enables that
108 # warnings, (perhaps implicitly). So we put some grouped
109 # options (-Wall and -Wextra) up front and the -Wno options
112 for W in $MAYBE_WARN; do
113 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
116 libdrm_cv_warn_cflags=$WARN_CFLAGS
117 libdrm_cv_warn_maybe=$MAYBE_WARN
119 AC_MSG_CHECKING([which warning flags were supported])])
120 WARN_CFLAGS="$libdrm_cv_warn_cflags"
122 if test "x$UDEV" = xyes; then
123 AC_DEFINE(UDEV, 1, [Have UDEV support])
126 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
128 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
129 if test "x$HAVE_CAIRO" = xyes; then
130 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
132 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
134 # For enumerating devices in test case
135 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
136 if test "x$HAVE_LIBUDEV" = xyes; then
137 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
139 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
142 AC_SUBST(WARN_CFLAGS)
146 libdrm/intel/Makefile
147 libdrm/nouveau/Makefile
148 libdrm/nouveau/libdrm_nouveau.pc
151 tests/modeprint/Makefile
152 tests/modetest/Makefile