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(2.57) 22 AC_INIT([libdrm], 2.4.11, [dri-devel (a] lists.sourceforge.net], libdrm) 23 AC_CONFIG_SRCDIR([Makefile.am]) 24 AM_INIT_AUTOMAKE([dist-bzip2]) 25 26 AM_CONFIG_HEADER([libdrm/config.h]) 27 28 AC_DISABLE_STATIC 29 AC_PROG_LIBTOOL 30 AC_PROG_CC 31 32 AC_HEADER_STDC 33 AC_SYS_LARGEFILE 34 35 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs) 36 AC_SUBST(PTHREADSTUBS_CFLAGS) 37 AC_SUBST(PTHREADSTUBS_LIBS) 38 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]) 44 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]) 49 50 dnl =========================================================================== 51 dnl check compiler flags 52 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [ 53 AC_MSG_CHECKING([whether $CC supports $1]) 54 55 libdrm_save_CFLAGS="$CFLAGS" 56 CFLAGS="$CFLAGS $1" 57 58 AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no]) 59 CFLAGS="$libdrm_save_CFLAGS" 60 61 if test "x$libdrm_cc_flag" = "xyes"; then 62 ifelse([$2], , :, [$2]) 63 else 64 ifelse([$3], , :, [$3]) 65 fi 66 AC_MSG_RESULT([$libdrm_cc_flag]) 67 ]) 68 69 dnl We use clock_gettime to check for timeouts in drmWaitVBlank 70 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])])]) 74 AC_SUBST([CLOCK_LIB]) 75 76 dnl Use lots of warning flags with with gcc and compatible compilers 77 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) 82 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" 92 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 96 fi 97 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [ 98 echo 99 WARN_CFLAGS="" 100 101 # Some warning options are not supported by all versions of 102 # gcc, so test all desired options against the current 103 # compiler. 104 # 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 110 # last. 111 112 for W in $MAYBE_WARN; do 113 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"]) 114 done 115 116 libdrm_cv_warn_cflags=$WARN_CFLAGS 117 libdrm_cv_warn_maybe=$MAYBE_WARN 118 119 AC_MSG_CHECKING([which warning flags were supported])]) 120 WARN_CFLAGS="$libdrm_cv_warn_cflags" 121 122 if test "x$UDEV" = xyes; then 123 AC_DEFINE(UDEV, 1, [Have UDEV support]) 124 fi 125 126 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes]) 127 128 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no]) 129 if test "x$HAVE_CAIRO" = xyes; then 130 AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support]) 131 fi 132 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes]) 133 134 # For enumerating devices in test case 135 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no]) 136 if test "x$HAVE_LIBUDEV" = xyes; then 137 AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support]) 138 fi 139 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes]) 140 141 142 AC_SUBST(WARN_CFLAGS) 143 AC_OUTPUT([ 144 Makefile 145 libdrm/Makefile 146 libdrm/intel/Makefile 147 libdrm/nouveau/Makefile 148 libdrm/nouveau/libdrm_nouveau.pc 149 shared-core/Makefile 150 tests/Makefile 151 tests/modeprint/Makefile 152 tests/modetest/Makefile 153 libdrm.pc 154 libdrm_intel.pc]) 155
Indexes created Sun Sep 21 15:09:59 GMT 2025