configure.ac

   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([2.63])
  22 AC_INIT([libdrm],
  23         [2.4.32],
  24         [https://bugs.freedesktop.org/enter_bug.cgi?product=DRI],
  25         [libdrm])
  26
  27 AC_CONFIG_HEADERS([config.h])
  28 AC_CONFIG_SRCDIR([Makefile.am])
  29 AC_CONFIG_MACRO_DIR([m4])
  30 AC_CONFIG_AUX_DIR([build-aux])
  31
  32 AM_INIT_AUTOMAKE([1.10 foreign dist-bzip2])
  33 AM_MAINTAINER_MODE([enable])
  34
  35 # Enable quiet compiles on automake 1.11.
  36 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  37
  38 # Check for programs
  39 AC_PROG_CC
  40
  41 AC_USE_SYSTEM_EXTENSIONS
  42 AC_SYS_LARGEFILE
  43 AC_FUNC_ALLOCA
  44
  45 # Initialize libtool
  46 LT_PREREQ([2.2])
  47 LT_INIT([disable-static])
  48
  49
  50 PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
  51 AC_SUBST(PTHREADSTUBS_CFLAGS)
  52 AC_SUBST(PTHREADSTUBS_LIBS)
  53
  54 pkgconfigdir=${libdir}/pkgconfig
  55 AC_SUBST(pkgconfigdir)
  56 AC_ARG_ENABLE([udev],
  57               [AS_HELP_STRING([--enable-udev],
  58                               [Enable support for using udev instead of mknod (default: disabled)])],
  59               [UDEV=$enableval], [UDEV=no])
  60
  61 AC_ARG_ENABLE(libkms,
  62               AS_HELP_STRING([--disable-libkms],
  63               [Disable KMS mm abstraction library (default: auto)]),
  64               [LIBKMS=$enableval], [LIBKMS=auto])
  65
  66 AC_ARG_ENABLE(intel,
  67               AS_HELP_STRING([--disable-intel],
  68               [Enable support for intel's KMS API (default: auto)]),
  69               [INTEL=$enableval], [INTEL=auto])
  70
  71 AC_ARG_ENABLE(radeon,
  72               AS_HELP_STRING([--disable-radeon],
  73               [Enable support for radeon's KMS API (default: auto)]),
  74               [RADEON=$enableval], [RADEON=auto])
  75
  76 AC_ARG_ENABLE(vmwgfx-experimental-api,
  77               AS_HELP_STRING([--enable-vmwgfx-experimental-api],
  78               [Install vmwgfx's experimental kernel API header (default: disabled)]),
  79               [VMWGFX=$enableval], [VMWGFX=no])
  80
  81 AC_ARG_ENABLE(nouveau-experimental-api,
  82               AS_HELP_STRING([--enable-nouveau-experimental-api],
  83               [Enable support for nouveau's experimental API (default: disabled)]),
  84               [NOUVEAU=$enableval], [NOUVEAU=no])
  85
  86
  87 dnl ===========================================================================
  88 dnl check compiler flags
  89 AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
  90   AC_MSG_CHECKING([whether $CC supports $1])
  91
  92   libdrm_save_CFLAGS="$CFLAGS"
  93   CFLAGS="$CFLAGS $1"
  94
  95   AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
  96   CFLAGS="$libdrm_save_CFLAGS"
  97
  98   if test "x$libdrm_cc_flag" = "xyes"; then
  99     ifelse([$2], , :, [$2])
 100   else
 101     ifelse([$3], , :, [$3])
 102   fi
 103   AC_MSG_RESULT([$libdrm_cc_flag])
 104 ])
 105
 106 dnl We use clock_gettime to check for timeouts in drmWaitVBlank
 107
 108 AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
 109                [AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
 110                              [AC_MSG_ERROR([Couldn't find clock_gettime])])])
 111 AC_SUBST([CLOCK_LIB])
 112
 113 AC_CHECK_FUNCS([open_memstream], [HAVE_OPEN_MEMSTREAM=yes])
 114
 115 dnl Use lots of warning flags with with gcc and compatible compilers
 116
 117 dnl Note: if you change the following variable, the cache is automatically
 118 dnl skipped and all flags rechecked.  So there's no need to do anything
 119 dnl else.  If for any reason you need to force a recheck, just change
 120 dnl MAYBE_WARN in an ignorable way (like adding whitespace)
 121
 122 MAYBE_WARN="-Wall -Wextra \
 123 -Wsign-compare -Werror-implicit-function-declaration \
 124 -Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
 125 -Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
 126 -Wpacked -Wswitch-enum -Wmissing-format-attribute \
 127 -Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
 128 -Wdeclaration-after-statement -Wold-style-definition \
 129 -Wno-missing-field-initializers -Wno-unused-parameter \
 130 -Wno-attributes -Wno-long-long -Winline"
 131
 132 # invalidate cached value if MAYBE_WARN has changed
 133 if test "x$libdrm_cv_warn_maybe" != "x$MAYBE_WARN"; then
 134         unset libdrm_cv_warn_cflags
 135 fi
 136 AC_CACHE_CHECK([for supported warning flags], libdrm_cv_warn_cflags, [
 137         echo
 138         WARN_CFLAGS=""
 139
 140         # Some warning options are not supported by all versions of
 141         # gcc, so test all desired options against the current
 142         # compiler.
 143         #
 144         # Note that there are some order dependencies
 145         # here. Specifically, an option that disables a warning will
 146         # have no net effect if a later option then enables that
 147         # warnings, (perhaps implicitly). So we put some grouped
 148         # options (-Wall and -Wextra) up front and the -Wno options
 149         # last.
 150
 151         for W in $MAYBE_WARN; do
 152                 LIBDRM_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
 153         done
 154
 155         libdrm_cv_warn_cflags=$WARN_CFLAGS
 156         libdrm_cv_warn_maybe=$MAYBE_WARN
 157
 158         AC_MSG_CHECKING([which warning flags were supported])])
 159 WARN_CFLAGS="$libdrm_cv_warn_cflags"
 160
 161 if test "x$UDEV" = xyes; then
 162         AC_DEFINE(UDEV, 1, [Have UDEV support])
 163 fi
 164
 165 AC_CANONICAL_HOST
 166 if test "x$LIBKMS" = xauto ; then
 167         case $host_os in
 168                 linux*)         LIBKMS="yes" ;;
 169                 *)              LIBKMS="no" ;;
 170         esac
 171 fi
 172
 173 AM_CONDITIONAL(HAVE_LIBKMS, [test "x$LIBKMS" = xyes])
 174
 175 AM_CONDITIONAL(HAVE_VMWGFX, [test "x$VMWGFX" = xyes])
 176 if test "x$VMWGFX" = xyes; then
 177         AC_DEFINE(HAVE_VMWGFX, 1, [Have vmwgfx kernel headers])
 178 fi
 179
 180 AM_CONDITIONAL(HAVE_NOUVEAU, [test "x$NOUVEAU" = xyes])
 181 if test "x$NOUVEAU" = xyes; then
 182         AC_DEFINE(HAVE_NOUVEAU, 1, [Have nouveau (nvidia) support])
 183 fi
 184
 185 PKG_CHECK_MODULES(CAIRO, cairo, [HAVE_CAIRO=yes], [HAVE_CAIRO=no])
 186 if test "x$HAVE_CAIRO" = xyes; then
 187         AC_DEFINE(HAVE_CAIRO, 1, [Have cairo support])
 188 fi
 189 AM_CONDITIONAL(HAVE_CAIRO, [test "x$HAVE_CAIRO" = xyes])
 190
 191 # For enumerating devices in test case
 192 PKG_CHECK_MODULES(LIBUDEV, libudev, [HAVE_LIBUDEV=yes], [HAVE_LIBUDEV=no])
 193 if test "x$HAVE_LIBUDEV" = xyes; then
 194         AC_DEFINE(HAVE_LIBUDEV, 1, [Have libudev support])
 195 fi
 196 AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes])
 197
 198 if test "x$INTEL" != "xno" -o "x$RADEON" != "xno"; then
 199     # Check for atomic intrinsics
 200     AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives,
 201     [
 202             drm_cv_atomic_primitives="none"
 203
 204             AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 205     int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }
 206     int atomic_cmpxchg(int i, int j, int k) { return __sync_val_compare_and_swap (&i, j, k); }
 207                                             ]],[[]])],
 208                            [drm_cv_atomic_primitives="Intel"],[])
 209
 210             if test "x$drm_cv_atomic_primitives" = "xnone"; then
 211                     AC_CHECK_HEADER([atomic_ops.h], drm_cv_atomic_primitives="libatomic-ops")
 212             fi
 213
 214             # atomic functions defined in <atomic.h> & libc on Solaris
 215             if test "x$drm_cv_atomic_primitives" = "xnone"; then
 216                     AC_CHECK_FUNC([atomic_cas_uint],
 217                                   drm_cv_atomic_primitives="Solaris")
 218             fi
 219
 220     ])
 221     if test "x$drm_cv_atomic_primitives" = xIntel; then
 222             AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
 223                       [Enable if your compiler supports the Intel __sync_* atomic primitives])
 224     fi
 225     if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then
 226             AC_DEFINE(HAVE_LIB_ATOMIC_OPS, 1, [Enable if you have libatomic-ops-dev installed])
 227     fi
 228
 229     if test "x$drm_cv_atomic_primitives" = "xnone"; then
 230            if test "x$INTEL" != "xauto"; then
 231                    if test "x$INTEL" != "xno"; then
 232                         AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Intel GPUs by passing --disable-intel to ./configure])
 233                    fi
 234            else
 235                    AC_MSG_WARN([Disabling libdrm_intel. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
 236                    INTEL=no
 237            fi
 238            if test "x$RADEON" != "xauto"; then
 239                    if test "x$RADEON" != "xno"; then
 240                         AC_MSG_ERROR([libdrm_radeon depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package, or, failing both of those, disable support for Radeon support by passing --disable-radeon to ./configure])
 241                    fi
 242            else
 243                    AC_MSG_WARN([Disabling libdrm_radeon. It depends on atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or install the libatomics-op-dev package.])
 244                    RADEON=no
 245            fi
 246
 247     else
 248            if test "x$INTEL" != "xno"; then
 249                    case $host_cpu in
 250                            i?86|x86_64) INTEL=yes ;;
 251                            *) INTEL=no ;;
 252                    esac
 253            fi
 254            if test "x$RADEON" != "xno"; then
 255                    RADEON=yes
 256            fi
 257     fi
 258 fi
 259
 260 if test "x$INTEL" != "xno"; then
 261         PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
 262 fi
 263 AC_SUBST(PCIACCESS_CFLAGS)
 264 AC_SUBST(PCIACCESS_LIBS)
 265
 266 PKG_CHECK_MODULES(VALGRIND, [valgrind], [have_valgrind=yes], [have_valgrind=no])
 267 if test "x$have_valgrind" = "xyes"; then
 268         AC_DEFINE([HAVE_VALGRIND], 1, [Use valgrind intrinsics to suppress false warnings])
 269 fi
 270
 271 AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"])
 272 AM_CONDITIONAL(HAVE_RADEON, [test "x$RADEON" != "xno"])
 273 if test "x$RADEON" = xyes; then
 274         AC_DEFINE(HAVE_RADEON, 1, [Have radeon support])
 275 fi
 276
 277 AC_ARG_WITH([kernel-source],
 278             [AS_HELP_STRING([--with-kernel-source],
 279               [specify path to linux kernel source])],
 280             [kernel_source="$with_kernel_source"])
 281 AC_SUBST(kernel_source)
 282
 283 AC_SUBST(WARN_CFLAGS)
 284 AC_CONFIG_FILES([
 285         Makefile
 286         libkms/Makefile
 287         libkms/libkms.pc
 288         intel/Makefile
 289         intel/libdrm_intel.pc
 290         radeon/Makefile
 291         radeon/libdrm_radeon.pc
 292         nouveau/Makefile
 293         nouveau/libdrm_nouveau.pc
 294         tests/Makefile
 295         tests/modeprint/Makefile
 296         tests/modetest/Makefile
 297         tests/kmstest/Makefile
 298         tests/radeon/Makefile
 299         tests/vbltest/Makefile
 300         include/Makefile
 301         include/drm/Makefile
 302         libdrm.pc])
 303 AC_OUTPUT
 304
 305 echo ""
 306 echo "$PACKAGE_STRING will be compiled with:"
 307 echo ""
 308 echo "  libkms         $LIBKMS"
 309 echo "  Intel API      $INTEL"
 310 echo "  vmwgfx API     $VMWGFX"
 311 echo "  Radeon API     $RADEON"
 312 echo "  Nouveau API    $NOUVEAU"
 313 echo ""