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configure.ac
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configure.ac
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dnl Copyright © 2011-2014 Intel Corporation
dnl Copyright © 2011-2014 Emil Velikov <emil.l.velikov@gmail.com>
dnl Copyright © 2007-2010 Dan Nicholson
dnl Copyright © 2010-2014 Marek Olšák <maraeo@gmail.com>
dnl Copyright © 2010-2014 Christian König
dnl Copyright © 2012-2014 Tom Stellard <tstellar@gmail.com>
dnl Copyright © 2009-2012 Jakob Bornecrantz
dnl Copyright © 2009-2014 Jon TURNEY
dnl Copyright © 2011-2012 Benjamin Franzke
dnl Copyright © 2008-2014 David Airlie
dnl Copyright © 2009-2013 Brian Paul
dnl
dnl Permission is hereby granted, free of charge, to any person obtaining a
dnl copy of this software and associated documentation files (the "Software"),
dnl to deal in the Software without restriction, including without limitation
dnl the rights to use, copy, modify, merge, publish, distribute, sublicense,
dnl and/or sell copies of the Software, and to permit persons to whom the
dnl Software is furnished to do so, subject to the following conditions:
dnl
dnl The above copyright notice and this permission notice (including the next
dnl paragraph) shall be included in all copies or substantial portions of the
dnl Software.
dnl
dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dnl IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dnl FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
dnl THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dnl LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
dnl DEALINGS IN THE SOFTWARE.
dnl
dnl Process this file with autoconf to create configure.
AC_PREREQ([2.60])
dnl Tell the user about autoconf.html in the --help output
m4_divert_once([HELP_END], [
See docs/autoconf.html for more details on the options for Mesa.])
m4_define(MESA_VERSION, m4_normalize(m4_include(VERSION)))
AC_INIT([Mesa], [MESA_VERSION],
[https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa])
AC_CONFIG_AUX_DIR([bin])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE([foreign tar-ustar dist-xz subdir-objects])
dnl We only support native Windows builds (MinGW/MSVC) through SCons.
case "$host_os" in
mingw*)
AC_MSG_ERROR([MinGW build not supported through autoconf/automake, use SCons instead])
;;
esac
# Support silent build rules, requires at least automake-1.11. Disable
# by either passing --disable-silent-rules to configure or passing V=1
# to make
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
[AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
dnl Set internal versions
OSMESA_VERSION=8
AC_SUBST([OSMESA_VERSION])
OPENCL_VERSION=1
AC_SUBST([OPENCL_VERSION])
dnl Versions for external dependencies
LIBDRM_REQUIRED=2.4.66
LIBDRM_RADEON_REQUIRED=2.4.56
LIBDRM_AMDGPU_REQUIRED=2.4.63
LIBDRM_INTEL_REQUIRED=2.4.61
LIBDRM_NVVIEUX_REQUIRED=2.4.66
LIBDRM_NOUVEAU_REQUIRED=2.4.66
LIBDRM_FREEDRENO_REQUIRED=2.4.74
LIBDRM_VC4_REQUIRED=2.4.69
LIBDRM_ETNAVIV_REQUIRED=2.4.74
DRI2PROTO_REQUIRED=2.6
DRI3PROTO_REQUIRED=1.0
PRESENTPROTO_REQUIRED=1.0
GLPROTO_REQUIRED=1.4.14
LIBOMXIL_BELLAGIO_REQUIRED=0.0
LIBVA_REQUIRED=0.38.0
VDPAU_REQUIRED=1.1
WAYLAND_REQUIRED=1.11
XCB_REQUIRED=1.9.3
XCBDRI2_REQUIRED=1.8
XCBGLX_REQUIRED=1.8.1
XSHMFENCE_REQUIRED=1.1
XVMC_REQUIRED=1.0.6
PYTHON_MAKO_REQUIRED=0.8.0
LIBSENSORS_REQUIRED=4.0.0
dnl LLVM versions
LLVM_REQUIRED_GALLIUM=3.3.0
LLVM_REQUIRED_OPENCL=3.6.0
LLVM_REQUIRED_R600=3.6.0
LLVM_REQUIRED_RADEONSI=3.6.0
LLVM_REQUIRED_RADV=3.9.0
LLVM_REQUIRED_SWR=3.6.0
dnl Check for progs
AC_PROG_CPP
AC_PROG_CC
AC_PROG_CXX
AM_PROG_CC_C_O
AM_PROG_AS
AX_CHECK_GNU_MAKE
AC_CHECK_PROGS([PYTHON2], [python2.7 python2 python])
AC_PROG_SED
AC_PROG_MKDIR_P
AC_SYS_LARGEFILE
LT_PREREQ([2.2])
LT_INIT([disable-static])
AC_CHECK_PROG(RM, rm, [rm -f])
AC_CHECK_PROG(XXD, xxd, [xxd])
AX_PROG_BISON([],
AS_IF([test ! -f "$srcdir/src/compiler/glsl/glcpp/glcpp-parse.c"],
[AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))
AX_PROG_FLEX([],
AS_IF([test ! -f "$srcdir/src/compiler/glsl/glcpp/glcpp-lex.c"],
[AC_MSG_ERROR([flex not found - unable to compile glcpp-lex.l])]))
AC_CHECK_PROG(INDENT, indent, indent, cat)
if test "x$INDENT" != "xcat"; then
# Only GNU indent is supported
INDENT_VERSION=`indent --version | grep GNU`
if test $? -eq 0; then
AC_SUBST(INDENT_FLAGS, '-i4 -nut -br -brs -npcs -ce -TGLubyte -TGLbyte -TBool')
else
INDENT="cat"
fi
fi
AX_CHECK_PYTHON_MAKO_MODULE($PYTHON_MAKO_REQUIRED)
if test -z "$PYTHON2"; then
if test ! -f "$srcdir/src/util/format_srgb.c"; then
AC_MSG_ERROR([Python not found - unable to generate sources])
fi
else
if test "x$acv_mako_found" = xno; then
if test ! -f "$srcdir/src/mesa/main/format_unpack.c"; then
AC_MSG_ERROR([Python mako module v$PYTHON_MAKO_REQUIRED or higher not found])
fi
fi
fi
AC_PROG_INSTALL
dnl We need a POSIX shell for parts of the build. Assume we have one
dnl in most cases.
case "$host_os" in
solaris*)
# Solaris /bin/sh is too old/non-POSIX compliant
AC_PATH_PROGS(POSIX_SHELL, [ksh93 ksh sh])
SHELL="$POSIX_SHELL"
;;
esac
dnl clang is mostly GCC-compatible, but its version is much lower,
dnl so we have to check for it.
AC_MSG_CHECKING([if compiling with clang])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [[
#ifndef __clang__
not clang
#endif
]])],
[acv_mesa_CLANG=yes], [acv_mesa_CLANG=no])
AC_MSG_RESULT([$acv_mesa_CLANG])
dnl If we're using GCC, make sure that it is at least version 4.2.0. Older
dnl versions are explictly not supported.
GEN_ASM_OFFSETS=no
USE_GNU99=no
if test "x$GCC" = xyes -a "x$acv_mesa_CLANG" = xno; then
AC_MSG_CHECKING([whether gcc version is sufficient])
major=0
minor=0
GCC_VERSION=`$CC -dumpversion`
if test $? -eq 0; then
GCC_VERSION_MAJOR=`echo $GCC_VERSION | cut -d. -f1`
GCC_VERSION_MINOR=`echo $GCC_VERSION | cut -d. -f2`
fi
if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 2 ; then
AC_MSG_RESULT([no])
AC_MSG_ERROR([If using GCC, version 4.2.0 or later is required.])
else
AC_MSG_RESULT([yes])
fi
if test $GCC_VERSION_MAJOR -lt 4 -o $GCC_VERSION_MAJOR -eq 4 -a $GCC_VERSION_MINOR -lt 6 ; then
USE_GNU99=yes
fi
if test "x$cross_compiling" = xyes; then
GEN_ASM_OFFSETS=yes
fi
fi
dnl We don't support building Mesa with Sun C compiler
dnl https://bugs.freedesktop.org/show_bug.cgi?id=93189
AC_CHECK_DECL([__SUNPRO_C], [SUNCC=yes], [SUNCC=no])
if test "x$SUNCC" = xyes; then
AC_MSG_ERROR([Building with Sun C compiler is not supported, use GCC instead.])
fi
dnl Check for compiler builtins
AX_GCC_BUILTIN([__builtin_bswap32])
AX_GCC_BUILTIN([__builtin_bswap64])
AX_GCC_BUILTIN([__builtin_clz])
AX_GCC_BUILTIN([__builtin_clzll])
AX_GCC_BUILTIN([__builtin_ctz])
AX_GCC_BUILTIN([__builtin_expect])
AX_GCC_BUILTIN([__builtin_ffs])
AX_GCC_BUILTIN([__builtin_ffsll])
AX_GCC_BUILTIN([__builtin_popcount])
AX_GCC_BUILTIN([__builtin_popcountll])
AX_GCC_BUILTIN([__builtin_unreachable])
AX_GCC_FUNC_ATTRIBUTE([const])
AX_GCC_FUNC_ATTRIBUTE([flatten])
AX_GCC_FUNC_ATTRIBUTE([format])
AX_GCC_FUNC_ATTRIBUTE([malloc])
AX_GCC_FUNC_ATTRIBUTE([packed])
AX_GCC_FUNC_ATTRIBUTE([pure])
AX_GCC_FUNC_ATTRIBUTE([returns_nonnull])
AX_GCC_FUNC_ATTRIBUTE([unused])
AX_GCC_FUNC_ATTRIBUTE([visibility])
AX_GCC_FUNC_ATTRIBUTE([warn_unused_result])
AX_GCC_FUNC_ATTRIBUTE([weak])
AX_GCC_FUNC_ATTRIBUTE([alias])
AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
dnl Make sure the pkg-config macros are defined
m4_ifndef([PKG_PROG_PKG_CONFIG],
[m4_fatal([Could not locate the pkg-config autoconf macros.
These are usually located in /usr/share/aclocal/pkg.m4. If your macros
are in a different location, try setting the environment variable
ACLOCAL="aclocal -I/other/macro/dir" before running autoreconf.])])
PKG_PROG_PKG_CONFIG()
dnl LIB_DIR - library basename
LIB_DIR=`echo $libdir | $SED 's%.*/%%'`
AC_SUBST([LIB_DIR])
dnl Cache LDFLAGS and CPPFLAGS so we can add to them and restore later
_SAVE_LDFLAGS="$LDFLAGS"
_SAVE_CPPFLAGS="$CPPFLAGS"
dnl Compiler macros
DEFINES="-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
AC_SUBST([DEFINES])
android=no
case "$host_os" in
*-android)
android=yes
;;
linux*|*-gnu*|gnu*|cygwin*)
DEFINES="$DEFINES -D_GNU_SOURCE"
;;
solaris*)
DEFINES="$DEFINES -DSVR4"
;;
esac
AM_CONDITIONAL(HAVE_ANDROID, test "x$android" = xyes)
dnl Add flags for gcc and g++
if test "x$GCC" = xyes; then
CFLAGS="$CFLAGS -Wall"
if test "x$USE_GNU99" = xyes; then
CFLAGS="$CFLAGS -std=gnu99"
else
CFLAGS="$CFLAGS -std=c99"
fi
# Enable -Werror=implicit-function-declaration and
# -Werror=missing-prototypes, if available, or otherwise, just
# -Wmissing-prototypes. This is particularly useful to avoid
# generating a loadable driver module that has undefined symbols.
save_CFLAGS="$CFLAGS"
AC_MSG_CHECKING([whether $CC supports -Werror=missing-prototypes])
CFLAGS="$CFLAGS -Werror=implicit-function-declaration"
CFLAGS="$CFLAGS -Werror=missing-prototypes"
AC_LINK_IFELSE([AC_LANG_PROGRAM()],
AC_MSG_RESULT([yes]),
[CFLAGS="$save_CFLAGS -Wmissing-prototypes";
AC_MSG_RESULT([no])]);
# Enable -fvisibility=hidden if using a gcc that supports it
save_CFLAGS="$CFLAGS"
AC_MSG_CHECKING([whether $CC supports -fvisibility=hidden])
VISIBILITY_CFLAGS="-fvisibility=hidden"
CFLAGS="$CFLAGS $VISIBILITY_CFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
[VISIBILITY_CFLAGS=""; AC_MSG_RESULT([no])]);
# Restore CFLAGS; VISIBILITY_CFLAGS are added to it where needed.
CFLAGS=$save_CFLAGS
# We don't want floating-point math functions to set errno or trap
CFLAGS="$CFLAGS -fno-math-errno -fno-trapping-math"
# Flags to help ensure that certain portions of the code -- and only those
# portions -- can be built with MSVC:
# - src/util, src/gallium/auxiliary, rc/gallium/drivers/llvmpipe, and
# - non-Linux/Posix OpenGL portions needs to build on MSVC 2013 (which
# supports most of C99)
# - the rest has no compiler compiler restrictions
MSVC2013_COMPAT_CFLAGS="-Werror=pointer-arith"
MSVC2013_COMPAT_CXXFLAGS="-Werror=pointer-arith"
# Enable -Werror=vla if compiler supports it
save_CFLAGS="$CFLAGS"
AC_MSG_CHECKING([whether $CC supports -Werror=vla])
CFLAGS="$CFLAGS -Werror=vla"
AC_LINK_IFELSE([AC_LANG_PROGRAM()],
[MSVC2013_COMPAT_CFLAGS="$MSVC2013_COMPAT_CFLAGS -Werror=vla";
MSVC2013_COMPAT_CXXFLAGS="$MSVC2013_COMPAT_CXXFLAGS -Werror=vla";
AC_MSG_RESULT([yes])],
AC_MSG_RESULT([no]));
CFLAGS="$save_CFLAGS"
fi
if test "x$GXX" = xyes; then
CXXFLAGS="$CXXFLAGS -Wall"
# Enable -fvisibility=hidden if using a gcc that supports it
save_CXXFLAGS="$CXXFLAGS"
AC_MSG_CHECKING([whether $CXX supports -fvisibility=hidden])
VISIBILITY_CXXFLAGS="-fvisibility=hidden"
CXXFLAGS="$CXXFLAGS $VISIBILITY_CXXFLAGS"
AC_LANG_PUSH([C++])
AC_LINK_IFELSE([AC_LANG_PROGRAM()], AC_MSG_RESULT([yes]),
[VISIBILITY_CXXFLAGS="" ; AC_MSG_RESULT([no])]);
AC_LANG_POP([C++])
# Restore CXXFLAGS; VISIBILITY_CXXFLAGS are added to it where needed.
CXXFLAGS=$save_CXXFLAGS
# We don't want floating-point math functions to set errno or trap
CXXFLAGS="$CXXFLAGS -fno-math-errno -fno-trapping-math"
fi
AC_SUBST([MSVC2013_COMPAT_CFLAGS])
AC_SUBST([MSVC2013_COMPAT_CXXFLAGS])
dnl even if the compiler appears to support it, using visibility attributes isn't
dnl going to do anything useful currently on cygwin apart from emit lots of warnings
case "$host_os" in
cygwin*)
VISIBILITY_CFLAGS=""
VISIBILITY_CXXFLAGS=""
;;
esac
AC_SUBST([VISIBILITY_CFLAGS])
AC_SUBST([VISIBILITY_CXXFLAGS])
dnl
dnl Optional flags, check for compiler support
dnl
SSE41_CFLAGS="-msse4.1"
dnl Code compiled by GCC with -msse* assumes a 16 byte aligned
dnl stack, but on x86-32 such alignment is not guaranteed.
case "$target_cpu" in
i?86)
SSE41_CFLAGS="$SSE41_CFLAGS -mstackrealign"
;;
esac
save_CFLAGS="$CFLAGS"
CFLAGS="$SSE41_CFLAGS $CFLAGS"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <smmintrin.h>
int param;
int main () {
__m128i a = _mm_set1_epi32 (param), b = _mm_set1_epi32 (param + 1), c;
c = _mm_max_epu32(a, b);
return _mm_cvtsi128_si32(c);
}]])], SSE41_SUPPORTED=1)
CFLAGS="$save_CFLAGS"
if test "x$SSE41_SUPPORTED" = x1; then
DEFINES="$DEFINES -DUSE_SSE41"
fi
AM_CONDITIONAL([SSE41_SUPPORTED], [test x$SSE41_SUPPORTED = x1])
AC_SUBST([SSE41_CFLAGS], $SSE41_CFLAGS)
dnl Check for new-style atomic builtins
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
int main() {
int n;
return __atomic_load_n(&n, __ATOMIC_ACQUIRE);
}]])], GCC_ATOMIC_BUILTINS_SUPPORTED=1)
if test "x$GCC_ATOMIC_BUILTINS_SUPPORTED" = x1; then
DEFINES="$DEFINES -DUSE_GCC_ATOMIC_BUILTINS"
fi
AM_CONDITIONAL([GCC_ATOMIC_BUILTINS_SUPPORTED], [test x$GCC_ATOMIC_BUILTINS_SUPPORTED = x1])
dnl Check for Endianness
AC_C_BIGENDIAN(
little_endian=no,
little_endian=yes,
little_endian=no,
little_endian=no
)
dnl Check for POWER8 Architecture
PWR8_CFLAGS="-mpower8-vector"
have_pwr8_intrinsics=no
AC_MSG_CHECKING(whether gcc supports -mpower8-vector)
save_CFLAGS=$CFLAGS
CFLAGS="$PWR8_CFLAGS $CFLAGS"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8))
#error "Need GCC >= 4.8 for sane POWER8 support"
#endif
#include <altivec.h>
int main () {
vector unsigned char r;
vector unsigned int v = vec_splat_u32 (1);
r = __builtin_vec_vgbbd ((vector unsigned char) v);
return 0;
}]])], have_pwr8_intrinsics=yes)
CFLAGS=$save_CFLAGS
AC_ARG_ENABLE(pwr8,
[AC_HELP_STRING([--disable-pwr8-inst],
[disable POWER8-specific instructions])],
[enable_pwr8=$enableval], [enable_pwr8=auto])
if test "x$enable_pwr8" = xno ; then
have_pwr8_intrinsics=disabled
fi
if test $have_pwr8_intrinsics = yes && test $little_endian = yes ; then
DEFINES="$DEFINES -D_ARCH_PWR8"
CXXFLAGS="$CXXFLAGS $PWR8_CFLAGS"
CFLAGS="$CFLAGS $PWR8_CFLAGS"
else
PWR8_CFLAGS=
fi
AC_MSG_RESULT($have_pwr8_intrinsics)
if test "x$enable_pwr8" = xyes && test $have_pwr8_intrinsics = no ; then
AC_MSG_ERROR([POWER8 compiler support not detected])
fi
if test $have_pwr8_intrinsics = yes && test $little_endian = no ; then
AC_MSG_WARN([POWER8 optimization is enabled only on POWER8 Little-Endian])
fi
AC_SUBST([PWR8_CFLAGS], $PWR8_CFLAGS)
dnl Can't have static and shared libraries, default to static if user
dnl explicitly requested. If both disabled, set to static since shared
dnl was explicitly requested.
case "x$enable_static$enable_shared" in
xyesyes)
AC_MSG_ERROR([Cannot enable both static and shared. Building using --enable-shared is strongly recommended])
;;
xnono)
AC_MSG_ERROR([Cannot disable both static and shared. Building using --enable-shared is strongly recommended])
;;
esac
AM_CONDITIONAL(BUILD_SHARED, test "x$enable_shared" = xyes)
dnl
dnl other compiler options
dnl
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[use debug compiler flags and macros @<:@default=disabled@:>@])],
[enable_debug="$enableval"],
[enable_debug=no]
)
AC_ARG_ENABLE([profile],
[AS_HELP_STRING([--enable-profile],
[enable profiling of code @<:@default=disabled@:>@])],
[enable_profile="$enableval"],
[enable_profile=no]
)
if test "x$enable_profile" = xyes; then
DEFINES="$DEFINES -DPROFILE"
if test "x$GCC" = xyes; then
CFLAGS="$CFLAGS -fno-omit-frame-pointer"
fi
if test "x$GXX" = xyes; then
CXXFLAGS="$CXXFLAGS -fno-omit-frame-pointer"
fi
fi
if test "x$enable_debug" = xyes; then
DEFINES="$DEFINES -DDEBUG"
if test "x$enable_profile" = xyes; then
AC_MSG_WARN([Debug and Profile are enabled at the same time])
fi
if test "x$GCC" = xyes; then
if ! echo "$CFLAGS" | grep -q -e '-g'; then
CFLAGS="$CFLAGS -g"
fi
if ! echo "$CFLAGS" | grep -q -e '-O'; then
CFLAGS="$CFLAGS -O0"
fi
fi
if test "x$GXX" = xyes; then
if ! echo "$CXXFLAGS" | grep -q -e '-g'; then
CXXFLAGS="$CXXFLAGS -g"
fi
if ! echo "$CXXFLAGS" | grep -q -e '-O'; then
CXXFLAGS="$CXXFLAGS -O0"
fi
fi
else
DEFINES="$DEFINES -DNDEBUG"
fi
DEFAULT_GL_LIB_NAME=GL
dnl
dnl Check if linker supports -Bsymbolic
dnl
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-Bsymbolic"
AC_MSG_CHECKING([if ld supports -Bsymbolic])
AC_LINK_IFELSE(
[AC_LANG_SOURCE([int main() { return 0;}])],
[AC_MSG_RESULT([yes])
BSYMBOLIC="-Wl,-Bsymbolic";],
[AC_MSG_RESULT([no])
BSYMBOLIC="";])
LDFLAGS=$save_LDFLAGS
AC_SUBST([BSYMBOLIC])
dnl
dnl Check if linker supports garbage collection
dnl
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--gc-sections"
AC_MSG_CHECKING([whether ld supports --gc-sections])
AC_LINK_IFELSE(
[AC_LANG_SOURCE([static char UnusedFunc() { return 5; } int main() { return 0;}])],
[AC_MSG_RESULT([yes])
GC_SECTIONS="-Wl,--gc-sections";],
[AC_MSG_RESULT([no])
GC_SECTIONS="";])
LDFLAGS=$save_LDFLAGS
AC_SUBST([GC_SECTIONS])
dnl
dnl OpenBSD does not have DT_NEEDED entries for libc by design
dnl so when these flags are passed to ld via libtool the checks will fail
dnl
case "$host_os" in
openbsd* | darwin* )
LD_NO_UNDEFINED="" ;;
*)
LD_NO_UNDEFINED="-Wl,--no-undefined" ;;
esac
AC_SUBST([LD_NO_UNDEFINED])
dnl
dnl Check if linker supports version scripts
dnl
AC_MSG_CHECKING([if the linker supports version-scripts])
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
cat > conftest.map <<EOF
VERSION_1 {
global:
main;
local:
*;
};
EOF
AC_LINK_IFELSE(
[AC_LANG_SOURCE([int main() { return 0;}])],
[have_ld_version_script=yes;AC_MSG_RESULT(yes)],
[have_ld_version_script=no; AC_MSG_RESULT(no)])
LDFLAGS=$save_LDFLAGS
AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
dnl
dnl Check if linker supports dynamic list files
dnl
AC_MSG_CHECKING([if the linker supports --dynamic-list])
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--dynamic-list=conftest.dyn"
cat > conftest.dyn <<EOF
{
radeon_drm_winsys_create;
};
EOF
AC_LINK_IFELSE(
[AC_LANG_SOURCE([int main() { return 0;}])],
[have_ld_dynamic_list=yes;AC_MSG_RESULT(yes)],
[have_ld_dynamic_list=no; AC_MSG_RESULT(no)])
LDFLAGS=$save_LDFLAGS
AM_CONDITIONAL(HAVE_LD_DYNAMIC_LIST, test "$have_ld_dynamic_list" = "yes")
dnl
dnl compatibility symlinks
dnl
case "$host_os" in
linux* )
HAVE_COMPAT_SYMLINKS=yes ;;
* )
HAVE_COMPAT_SYMLINKS=no ;;
esac
AM_CONDITIONAL(HAVE_COMPAT_SYMLINKS, test "x$HAVE_COMPAT_SYMLINKS" = xyes)
DEFAULT_GL_LIB_NAME=GL
dnl
dnl Libglvnd configuration
dnl
AC_ARG_ENABLE([libglvnd],
[AS_HELP_STRING([--enable-libglvnd],
[Build for libglvnd @<:@default=disabled@:>@])],
[enable_libglvnd="$enableval"],
[enable_libglvnd=no])
AM_CONDITIONAL(USE_LIBGLVND_GLX, test "x$enable_libglvnd" = xyes)
#AM_COND_IF([USE_LIBGLVND_GLX], [DEFINES="${DEFINES} -DUSE_LIBGLVND_GLX=1"])
if test "x$enable_libglvnd" = xyes ; then
DEFINES="${DEFINES} -DUSE_LIBGLVND_GLX=1"
DEFAULT_GL_LIB_NAME=GLX_mesa
fi
dnl
dnl library names
dnl
dnl Unfortunately we need to do a few things that libtool can't help us with,
dnl so we need some knowledge of shared library filenames:
dnl
dnl LIB_EXT is the extension used when creating symlinks for alternate
dnl filenames for a shared library which will be dynamically loaded
dnl
dnl IMP_LIB_EXT is the extension used when checking for the presence of a
dnl the file for a shared library we wish to link with
dnl
case "$host_os" in
darwin* )
LIB_EXT='dylib'
IMP_LIB_EXT=$LIB_EXT
;;
cygwin* )
LIB_EXT='dll'
IMP_LIB_EXT='dll.a'
;;
aix* )
LIB_EXT='a'
IMP_LIB_EXT=$LIB_EXT
;;
* )
LIB_EXT='so'
IMP_LIB_EXT=$LIB_EXT
;;
esac
AC_SUBST([LIB_EXT])
AC_ARG_WITH([gl-lib-name],
[AS_HELP_STRING([--with-gl-lib-name@<:@=NAME@:>@],
[specify GL library name @<:@default=GL@:>@])],
[GL_LIB=$withval],
[GL_LIB="$DEFAULT_GL_LIB_NAME"])
AC_ARG_WITH([osmesa-lib-name],
[AS_HELP_STRING([--with-osmesa-lib-name@<:@=NAME@:>@],
[specify OSMesa library name @<:@default=OSMesa@:>@])],
[OSMESA_LIB=$withval],
[OSMESA_LIB=OSMesa])
AS_IF([test "x$GL_LIB" = xyes], [GL_LIB="$DEFAULT_GL_LIB_NAME"])
AS_IF([test "x$OSMESA_LIB" = xyes], [OSMESA_LIB=OSMesa])
dnl
dnl Mangled Mesa support
dnl
AC_ARG_ENABLE([mangling],
[AS_HELP_STRING([--enable-mangling],
[enable mangled symbols and library name @<:@default=disabled@:>@])],
[enable_mangling="${enableval}"],
[enable_mangling=no]
)
if test "x${enable_mangling}" = "xyes" ; then
DEFINES="${DEFINES} -DUSE_MGL_NAMESPACE"
GL_LIB="Mangled${GL_LIB}"
OSMESA_LIB="Mangled${OSMESA_LIB}"
fi
AC_SUBST([GL_LIB])
AC_SUBST([OSMESA_LIB])
dnl
dnl potentially-infringing-but-nobody-knows-for-sure stuff
dnl
AC_ARG_ENABLE([texture-float],
[AS_HELP_STRING([--enable-texture-float],
[enable floating-point textures and renderbuffers @<:@default=disabled@:>@])],
[enable_texture_float="$enableval"],
[enable_texture_float=no]
)
if test "x$enable_texture_float" = xyes; then
AC_MSG_WARN([Floating-point textures enabled.])
AC_MSG_WARN([Please consult docs/patents.txt with your lawyer before building Mesa.])
DEFINES="$DEFINES -DTEXTURE_FLOAT_ENABLED"
fi
dnl
dnl Arch/platform-specific settings
dnl
AC_ARG_ENABLE([asm],
[AS_HELP_STRING([--disable-asm],
[disable assembly usage @<:@default=enabled on supported plaforms@:>@])],
[enable_asm="$enableval"],
[enable_asm=yes]
)
asm_arch=""
AC_MSG_CHECKING([whether to enable assembly])
test "x$enable_asm" = xno && AC_MSG_RESULT([no])
# disable if cross compiling on x86/x86_64 since we must run gen_matypes
if test "x$enable_asm" = xyes -a "x$cross_compiling" = xyes; then
case "$host_cpu" in
i?86 | x86_64 | amd64)
if test "x$host_cpu" != "x$target_cpu"; then
enable_asm=no
AC_MSG_RESULT([no, cross compiling])
fi
;;
esac
fi
# check for supported arches
if test "x$enable_asm" = xyes; then
case "$host_cpu" in
i?86)
case "$host_os" in
linux* | *freebsd* | dragonfly* | *netbsd* | openbsd* | gnu*)
asm_arch=x86
;;
esac
;;
x86_64|amd64)
case "$host_os" in
linux* | *freebsd* | dragonfly* | *netbsd* | openbsd*)
asm_arch=x86_64
;;
esac
;;
sparc*)
case "$host_os" in
linux*)
asm_arch=sparc
;;
esac
;;
esac
case "$asm_arch" in
x86)
DEFINES="$DEFINES -DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
AC_MSG_RESULT([yes, x86])
;;
x86_64|amd64)
DEFINES="$DEFINES -DUSE_X86_64_ASM"
AC_MSG_RESULT([yes, x86_64])
;;
sparc)
DEFINES="$DEFINES -DUSE_SPARC_ASM"
AC_MSG_RESULT([yes, sparc])
;;
*)
AC_MSG_RESULT([no, platform not supported])
;;
esac
fi
AC_HEADER_MAJOR
AC_CHECK_HEADER([xlocale.h], [DEFINES="$DEFINES -DHAVE_XLOCALE_H"])
AC_CHECK_HEADER([sys/sysctl.h], [DEFINES="$DEFINES -DHAVE_SYS_SYSCTL_H"])
AC_CHECK_FUNC([strtof], [DEFINES="$DEFINES -DHAVE_STRTOF"])
AC_CHECK_FUNC([mkostemp], [DEFINES="$DEFINES -DHAVE_MKOSTEMP"])
dnl Check to see if dlopen is in default libraries (like Solaris, which
dnl has it in libc), or if libdl is needed to get it.
AC_CHECK_FUNC([dlopen], [DEFINES="$DEFINES -DHAVE_DLOPEN"],
[AC_CHECK_LIB([dl], [dlopen],
[DEFINES="$DEFINES -DHAVE_DLOPEN"; DLOPEN_LIBS="-ldl"])])
AC_SUBST([DLOPEN_LIBS])
dnl Check if that library also has dladdr
save_LIBS="$LIBS"
LIBS="$LIBS $DLOPEN_LIBS"
AC_CHECK_FUNCS([dladdr])
LIBS="$save_LIBS"
case "$host_os" in
darwin*)
;;
*)
AC_CHECK_FUNCS([clock_gettime], [CLOCK_LIB=],
[AC_CHECK_LIB([rt], [clock_gettime], [CLOCK_LIB=-lrt],
[AC_MSG_ERROR([Could not find clock_gettime])])])
AC_SUBST([CLOCK_LIB])
;;
esac
dnl See if posix_memalign is available
AC_CHECK_FUNC([posix_memalign], [DEFINES="$DEFINES -DHAVE_POSIX_MEMALIGN"])
dnl Check for pthreads
AX_PTHREAD
if test "x$ax_pthread_ok" = xno; then
AC_MSG_ERROR([Building mesa on this platform requires pthreads])
fi
dnl AX_PTHREADS leaves PTHREAD_LIBS empty for gcc and sets PTHREAD_CFLAGS
dnl to -pthread, which causes problems if we need -lpthread to appear in
dnl pkgconfig files. Since Android doesn't have a pthread lib, this check
dnl is not valid for that platform.
if test "x$android" = xno; then
test -z "$PTHREAD_LIBS" && PTHREAD_LIBS="-lpthread"
fi
dnl pthread-stubs is mandatory on targets where it exists
case "$host_os" in
cygwin* )
pthread_stubs_possible="no"
;;
* )
pthread_stubs_possible="yes"
;;
esac
if test "x$pthread_stubs_possible" = xyes; then
PKG_CHECK_MODULES(PTHREADSTUBS, pthread-stubs)
AC_SUBST(PTHREADSTUBS_CFLAGS)
AC_SUBST(PTHREADSTUBS_LIBS)
fi
dnl SELinux awareness.
AC_ARG_ENABLE([selinux],
[AS_HELP_STRING([--enable-selinux],
[Build SELinux-aware Mesa @<:@default=disabled@:>@])],
[MESA_SELINUX="$enableval"],
[MESA_SELINUX=no])
if test "x$enable_selinux" = "xyes"; then
PKG_CHECK_MODULES([SELINUX], [libselinux], [],
[AC_CHECK_HEADER([selinux/selinux.h],[],
[AC_MSG_ERROR([SELinux headers not found])])
AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
[AC_MSG_ERROR([SELinux library not found])])
SELINUX_LIBS="-lselinux"])
DEFINES="$DEFINES -DMESA_SELINUX"
fi
AC_SUBST([SELINUX_CFLAGS])
AC_SUBST([SELINUX_LIBS])
dnl
dnl LLVM
dnl
AC_ARG_ENABLE([llvm-shared-libs],
[AS_HELP_STRING([--enable-llvm-shared-libs],
[link with LLVM shared libraries @<:@default=enabled@:>@])],
[enable_llvm_shared_libs="$enableval"],
[enable_llvm_shared_libs=yes])
AC_ARG_WITH([llvm-prefix],
[AS_HELP_STRING([--with-llvm-prefix],
[Prefix for LLVM installations in non-standard locations])],
[llvm_prefix="$withval"],
[llvm_prefix=''])
PKG_CHECK_MODULES([LIBELF], [libelf], [have_libelf=yes], [have_libelf=no])
if test "x$have_libelf" = xno; then
LIBELF_LIBS=''
LIBELF_CFLAGS=''
AC_CHECK_LIB([elf], [elf_memory], [have_libelf=yes;LIBELF_LIBS=-lelf], [have_libelf=no])
AC_SUBST([LIBELF_LIBS])
AC_SUBST([LIBELF_CFLAGS])
fi
if test -z "$LLVM_CONFIG"; then
if test -n "$llvm_prefix"; then
AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no], ["$llvm_prefix/bin"])
else
AC_PATH_TOOL([LLVM_CONFIG], [llvm-config], [no])
fi
fi
llvm_add_component() {
new_llvm_component=$1
driver_name=$2
if $LLVM_CONFIG --components | grep -iqw $new_llvm_component ; then
LLVM_COMPONENTS="${LLVM_COMPONENTS} ${new_llvm_component}"
else
AC_MSG_ERROR([LLVM component '$new_llvm_component' not enabled in your LLVM build. Required by $driver_name.])
fi
}
llvm_add_default_components() {
driver_name=$1
# Required default components
llvm_add_component "bitwriter" $driver_name
llvm_add_component "engine" $driver_name
llvm_add_component "mcdisassembler" $driver_name
llvm_add_component "mcjit" $driver_name
# Optional default components
if $LLVM_CONFIG --components | grep -iqw inteljitevents ; then
LLVM_COMPONENTS="$LLVM_COMPONENTS inteljitevents"
fi
}
llvm_add_target() {
new_llvm_target=$1
driver_name=$2
if $LLVM_CONFIG --targets-built | grep -iqw $new_llvm_target ; then
llvm_add_component $new_llvm_target $driver_name
else
AC_MSG_ERROR([LLVM target '$new_llvm_target' not enabled in your LLVM build. Required by $driver_name.])
fi
}
# Call this inside ` ` to get the return value.
# $1 is the llvm-config command with arguments.
strip_unwanted_llvm_flags() {
# Use \> (marks the end of the word)
echo " `$1`" | sed \
-e 's/\s\+-m\S*//g' \
-e 's/\s\+-DNDEBUG\>//g' \
-e 's/\s\+-D_GNU_SOURCE\>//g' \
-e 's/\s\+-pedantic\>//g' \
-e 's/\s\+-W\S*//g' \
-e 's/\s\+-O\S*//g' \
-e 's/\s\+-g\S*//g' \
-e 's/-fno-rtti\>/-Fno-rtti/g' \
-e 's/\s\+-f\S*//g' \
-e 's/-Fno-rtti\>/-fno-rtti/g' \
-e 's/^ //'
}
llvm_set_environment_variables() {
if test "x$LLVM_CONFIG" != xno; then
LLVM_VERSION=`$LLVM_CONFIG --version | egrep -o '^[[0-9.]]+'`
LLVM_BINDIR=`$LLVM_CONFIG --bindir`
LLVM_CPPFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cppflags"`
LLVM_INCLUDEDIR=`$LLVM_CONFIG --includedir`
LLVM_LIBDIR=`$LLVM_CONFIG --libdir`
# We need to respect LLVM_CPPFLAGS when compiling LLVM headers.
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $LLVM_CPPFLAGS"
AC_COMPUTE_INT([LLVM_VERSION_MAJOR], [LLVM_VERSION_MAJOR],
[#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
AC_COMPUTE_INT([LLVM_VERSION_MINOR], [LLVM_VERSION_MINOR],
[#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
AC_COMPUTE_INT([LLVM_VERSION_PATCH], [LLVM_VERSION_PATCH],
[#include "${LLVM_INCLUDEDIR}/llvm/Config/llvm-config.h"])
CFLAGS="$save_CFLAGS"
# Only needed for LLVM < 3.6.0
if test -z "$LLVM_VERSION_PATCH"; then
LLVM_VERSION_PATCH=0
fi
if test "$LLVM_VERSION_MINOR" -lt 10; then
LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}"
else
LLVM_VERSION_INT="${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR}"
fi
FOUND_LLVM=yes
else
FOUND_LLVM=no
LLVM_VERSION_INT=0
fi
}
require_llvm() {
if test "x$enable_gallium_llvm" != "xyes"; then