1 # Copyright 2005 Adam Jackson. 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 # 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: 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 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. 20 21 AC_PREREQ(2.60) 22 AC_INIT([libdrm], 2.4.14, [dri-devel (a] lists.sourceforge.net], libdrm) 23 AC_USE_SYSTEM_EXTENSIONS 24 AC_CONFIG_SRCDIR([Makefile.am]) 25 AM_INIT_AUTOMAKE([dist-bzip2]) 26 27 AM_CONFIG_HEADER([libdrm/config.h]) 28 29 AC_DISABLE_STATIC 30 AC_PROG_LIBTOOL 31 AC_PROG_CC 32 33 AC_HEADER_STDC 34 AC_SYS_LARGEFILE 35 36 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs) 37 AC_SUBST(PTHREADSTUBS_CFLAGS) 38 AC_SUBST(PTHREADSTUBS_LIBS) 39 40 pkgconfigdir=${libdir}/pkgconfig 41 AC_SUBST(pkgconfigdir) 42 AC_ARG_ENABLE(udev, AS_HELP_STRING([--enable-udev], 43 [Enable support for using udev instead of mknod (default: disabled)]), 44 [UDEV=$enableval], [UDEV=no]) 45 46 AC_ARG_ENABLE(nouveau-experimental-api, 47 AS_HELP_STRING([--enable-nouveau-experimental-api], 48 [Enable support for nouveau's experimental API (default: disabled)]), 49 [NOUVEAU=$enableval], [NOUVEAU=no]) 50 51 AC_ARG_ENABLE(radeon-experimental-api, 52 AS_HELP_STRING([--enable-radeon-experimental-api], 53 [Enable support for radeon's KMS API (default: disabled)]), 54 [RADEON=$enableval], [RADEON=no]) 55 56 dnl =========================================================================== 57 dnl check compiler flags 58 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [ 59 AC_MSG_CHECKING([whether $CC supports $1]) 60 61 libdrm_save_CFLAGS="$CFLAGS" 62 CFLAGS="$CFLAGS $1" 63 64 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no]) 65 CFLAGS="$libdrm_save_CFLAGS" 66 67 if test "x$libdrm_cc_flag" = "xyes"; then 68 ifelse([$2], , :, [$2]) 69 else 70 ifelse([$3], , :, [$3]) 71 fi 72 AC_MSG_RESULT([$libdrm_cc_flag]) 73 ]) 74 75 dnl We use clock_gettime to check for timeouts in drmWaitVBlank 76 77 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=], 78 [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt], 79 [AC_MSG_ERROR([Couldn't find clock_gettime])])]) 80 AC_SUBST([CLOCK_LIB]) 81 82 dnl Use lots of warning flags with with gcc and compatible compilers 83 84 dnl Note: if you change the following variable, the cache is automatically 85 dnl skipped and all flags rechecked. So there's no need to do anything 86 dnl else. If for any reason you need to force a recheck, just change 87 dnl MAYBE_WARN in an ignorable way (like adding whitespace) 88 89 MAYBE_WARN="-Wall -Wextra \ 90 -Wsign-compare -Werror-implicit-function-declaration \ 91 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \ 92 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \ 93 -Wpacked -Wswitch-enum -Wmissing-format-attribute \ 94 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \ 95 -Wdeclaration-after-statement -Wold-style-definition \ 96 -Wno-missing-field-initializers -Wno-unused-parameter \ 97 -Wno-attributes -Wno-long-long -Winline" 98 99 # invalidate cached value if MAYBE_WARN has changed 100 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then 101 unset libdrm_cv_warn_cflags 102 fi 103 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [ 104 echo 105 WARN_CFLAGS="" 106 107 # Some warning options are not supported by all versions of 108 # gcc, so test all desired options against the current 109 # compiler. 110 # 111 # Note that there are some order dependencies 112 # here. Specifically, an option that disables a warning will 113 # have no net effect if a later option then enables that 114 # warnings, (perhaps implicitly). So we put some grouped 115 # options (-Wall and -Wextra) up front and the -Wno options 116 # last. 117 118 for W in $MAYBE_WARN; do 119 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"]) 120 done 121 122 libdrm_cv_warn_cflags=$WARN_CFLAGS 123 libdrm_cv_warn_maybe=$MAYBE_WARN 124 125 AC_MSG_CHECKING([which warning flags were supported])]) 126 WARN_CFLAGS="$libdrm_cv_warn_cflags" 127 128 if test "x$UDEV" = xyes; then 129 AC_DEFINE(UDEV, 1, [Have UDEV support]) 130 fi 131 132 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes]) 133 134 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" = xyes]) 135 136 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no]) 137 if test "x$HAVE_CAIRO" = xyes; then 138 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support]) 139 fi 140 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes]) 141 142 # For enumerating devices in test case 143 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no]) 144 if test "x$HAVE_LIBUDEV" = xyes; then 145 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support]) 146 fi 147 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes]) 148 149 AC_SUBST(WARN_CFLAGS) 150 AC_OUTPUT([ 151 Makefile 152 libdrm/Makefile 153 libdrm/intel/Makefile 154 libdrm/radeon/Makefile 155 libdrm/radeon/libdrm_radeon.pc 156 libdrm/nouveau/Makefile 157 libdrm/nouveau/libdrm_nouveau.pc 158 shared-core/Makefile 159 tests/Makefile 160 tests/modeprint/Makefile 161 tests/modetest/Makefile 162 libdrm.pc 163 libdrm_intel.pc]) 164
