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xenocara/lib/pixman/configure.ac
matthieu b9575da0ef OpenBSD's gcc 3.3 is capable of handling the MMX code of pixman. 
Change the configure test so that it gets enabled.

Tested by marco@ ajacoutot@ ckuethe@ and others.
2009-07-28 19:01:29 +00:00

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dnl Copyright 2005 Red Hat, Inc.
dnl
dnl Permission to use, copy, modify, distribute, and sell this software and its
dnl documentation for any purpose is hereby granted without fee, provided that
dnl the above copyright notice appear in all copies and that both that
dnl copyright notice and this permission notice appear in supporting
dnl documentation, and that the name of Red Hat not be used in
dnl advertising or publicity pertaining to distribution of the software without
dnl specific, written prior permission. Red Hat makes no
dnl representations about the suitability of this software for any purpose. It
dnl is provided "as is" without express or implied warranty.
dnl
dnl RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
dnl INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
dnl EVENT SHALL RED HAT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
dnl CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
dnl DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
dnl TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
dnl PERFORMANCE OF THIS SOFTWARE.
dnl
dnl Process this file with autoconf to create configure.
AC_PREREQ([2.57])
# Pixman versioning scheme
#
# - The version in git has an odd MICRO version number
#
# - Released versions both development and stable have an even MICRO
# version number
#
# - Released development versions have an odd MINOR number
#
# - Released stable versions have an event MINOR number
#
# - Versions that break ABI must have a new MAJOR number
#
# - If you break the ABI, then at least this must be done:
#
# - increment MAJOR
#
# - In the first development release where you break ABI, find
# all instances of "pixman-n" and change them to pixman-(n+1)
#
# This needs to be done at least in
# configure.ac
# all Makefile.am's
# pixman-n.pc.in
#
# This ensures that binary incompatible versions can be installed
# in parallel. See http://www106.pair.com/rhp/parallel.html for
# more information
#
m4_define([pixman_major], 0)
m4_define([pixman_minor], 15)
m4_define([pixman_micro], 8)
m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])
AC_INIT(pixman, pixman_version, "sandmann@daimi.au.dk", pixman)
AM_INIT_AUTOMAKE([dist-bzip2])
AM_CONFIG_HEADER(config.h)
AC_CANONICAL_HOST
AC_PROG_CC
AC_PROG_LIBTOOL
AC_CHECK_FUNCS([getisax])
AC_C_BIGENDIAN
AC_C_INLINE
# Checks for Sun Studio compilers
AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
AC_CHECK_DECL([__amd64], [AMD64_ABI="yes"], [AMD64_ABI="no"])
#
# We ignore pixman_major in the version here because the major version should
# always be encoded in the actual library name. Ie., the soname is:
#
# pixman-$(pixman_major).0.minor.micro
#
m4_define([lt_current], [pixman_minor])
m4_define([lt_revision], [pixman_micro])
m4_define([lt_age], [pixman_minor])
LT_VERSION_INFO="lt_current:lt_revision:lt_age"
PIXMAN_VERSION_MAJOR=pixman_major()
AC_SUBST(PIXMAN_VERSION_MAJOR)
PIXMAN_VERSION_MINOR=pixman_minor()
AC_SUBST(PIXMAN_VERSION_MINOR)
PIXMAN_VERSION_MICRO=pixman_micro()
AC_SUBST(PIXMAN_VERSION_MICRO)
AC_SUBST(LT_VERSION_INFO)
# Check for dependencies
#PKG_CHECK_MODULES(DEP, x11)
changequote(,)dnl
if test "x$GCC" = "xyes"; then
case " $CFLAGS " in
*[\ \ ]-Wall[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wall" ;;
esac fi changequote([,])dnl
AC_PATH_PROG(PERL, perl, no)
if test "x$PERL" = xno; then
AC_MSG_ERROR([Perl is required to build pixman.])
fi
AC_SUBST(PERL)
dnl =========================================================================
dnl -fvisibility stuff
have_gcc4=no
AC_MSG_CHECKING(for -fvisibility)
AC_COMPILE_IFELSE([
#if defined(__GNUC__) && (__GNUC__ >= 4)
#else
error Need GCC 4.0 for visibility
#endif
int main () { return 0; }
], have_gcc4=yes)
if test "x$have_gcc4" = "xyes"; then
CFLAGS="$CFLAGS -fvisibility=hidden"
fi
AC_MSG_RESULT($have_gcc4)
have_sunstudio8=no
AC_MSG_CHECKING([for -xldscope (Sun compilers)])
AC_COMPILE_IFELSE([
#if defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
#else
error Need Sun Studio 8 for visibility
#endif
int main () { return 0; }
], have_sunstudio8=yes)
if test "x$have_sunstudio8" = "xyes"; then
CFLAGS="$CFLAGS -xldscope=hidden"
fi
AC_MSG_RESULT($have_sunstudio8)
dnl ===========================================================================
dnl Check for MMX
if test "x$MMX_CFLAGS" = "x" ; then
if test "x$SUNCC" = "xyes"; then
# Sun Studio doesn't have an -xarch=mmx flag, so we have to use sse
# but if we're building 64-bit, mmx & sse support is on by default and
# -xarch=sse throws an error instead
if test "$AMD64_ABI" = "no" ; then
MMX_CFLAGS="-xarch=sse"
fi
else
MMX_CFLAGS="-mmmx -Winline"
fi
fi
have_mmx_intrinsics=no
AC_MSG_CHECKING(whether to use MMX intrinsics)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="$MMX_CFLAGS $CFLAGS"
AC_COMPILE_IFELSE([
#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 3))
error "Need GCC >= 3.3 for MMX intrinsics"
#endif
#include <mmintrin.h>
int main () {
__m64 v = _mm_cvtsi32_si64 (1);
return _mm_cvtsi64_si32 (v);
}], have_mmx_intrinsics=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(mmx,
[AC_HELP_STRING([--disable-mmx],
[disable MMX fast paths])],
[enable_mmx=$enableval], [enable_mmx=auto])
if test $enable_mmx = no ; then
have_mmx_intrinsics=disabled
fi
if test $have_mmx_intrinsics = yes ; then
AC_DEFINE(USE_MMX, 1, [use MMX compiler intrinsics])
else
MMX_CFLAGS=
fi
AC_MSG_RESULT($have_mmx_intrinsics)
if test $enable_mmx = yes && test $have_mmx_intrinsics = no ; then
AC_MSG_ERROR([MMX intrinsics not detected])
fi
AM_CONDITIONAL(USE_MMX, test $have_mmx_intrinsics = yes)
dnl ===========================================================================
dnl Check for SSE2
if test "x$SSE2_CFLAGS" = "x" ; then
if test "x$SUNCC" = "xyes"; then
# SSE2 is enabled by default in the Sun Studio 64-bit environment
if test "$AMD64_ABI" = "no" ; then
SSE2_CFLAGS="-xarch=sse2"
fi
else
SSE2_CFLAGS="-mmmx -msse2 -Winline"
fi
fi
have_sse2_intrinsics=no
AC_MSG_CHECKING(whether to use SSE2 intrinsics)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="$SSE2_CFLAGS $CFLAGS"
AC_COMPILE_IFELSE([
#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2))
# if !defined(__amd64__) && !defined(__x86_64__)
# error "Need GCC >= 4.2 for SSE2 intrinsics on x86"
# endif
#endif
#include <mmintrin.h>
#include <xmmintrin.h>
#include <emmintrin.h>
int main () {
__m128i a, b, c;
c = _mm_xor_si128 (a, b);
return 0;
}], have_sse2_intrinsics=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(sse2,
[AC_HELP_STRING([--disable-sse2],
[disable SSE2 fast paths])],
[enable_sse2=$enableval], [enable_sse2=auto])
if test $enable_sse2 = no ; then
have_sse2_intrinsics=disabled
fi
if test $have_sse2_intrinsics = yes ; then
AC_DEFINE(USE_SSE2, 1, [use SSE2 compiler intrinsics])
fi
AC_MSG_RESULT($have_sse2_intrinsics)
if test $enable_sse2 = yes && test $have_sse2_intrinsics = no ; then
AC_MSG_ERROR([SSE2 intrinsics not detected])
fi
AM_CONDITIONAL(USE_SSE2, test $have_sse2_intrinsics = yes)
dnl ===========================================================================
dnl Other special flags needed when building code using MMX or SSE instructions
case $host_os in
solaris*)
# When building 32-bit binaries, apply a mapfile to ensure that the
# binaries aren't flagged as only able to run on MMX+SSE capable CPUs
# since they check at runtime before using those instructions
if test "$AMD64_ABI" = "no" ; then
HWCAP_LDFLAGS='-Wl,-M,$(srcdir)/solaris-hwcap.mapfile'
fi
if test "x$MMX_LDFLAGS" = "x" ; then
MMX_LDFLAGS="$HWCAP_LDFLAGS"
fi
if test "x$SSE2_LDFLAGS" = "x" ; then
SSE2_LDFLAGS="$HWCAP_LDFLAGS"
fi
;;
esac
AC_SUBST(MMX_CFLAGS)
AC_SUBST(MMX_LDFLAGS)
AC_SUBST(SSE2_CFLAGS)
AC_SUBST(SSE2_LDFLAGS)
dnl ===========================================================================
dnl Check for VMX/Altivec
if test -n "`$CC -v 2>&1 | grep version | grep Apple`"; then
VMX_CFLAGS="-faltivec"
else
VMX_CFLAGS="-maltivec -mabi=altivec"
fi
have_vmx_intrinsics=no
AC_MSG_CHECKING(whether to use VMX/Altivec intrinsics)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $VMX_CFLAGS"
AC_COMPILE_IFELSE([
#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4))
error "Need GCC >= 3.4 for sane altivec support"
#endif
#include <altivec.h>
int main () {
vector unsigned int v = vec_splat_u32 (1);
v = vec_sub (v, v);
return 0;
}], have_vmx_intrinsics=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(vmx,
[AC_HELP_STRING([--disable-vmx],
[disable VMX fast paths])],
[enable_vmx=$enableval], [enable_vmx=auto])
if test $enable_vmx = no ; then
have_vmx_intrinsics=disabled
fi
if test $have_vmx_intrinsics = yes ; then
AC_DEFINE(USE_VMX, 1, [use VMX compiler intrinsics])
else
VMX_CFLAGS=
fi
AC_MSG_RESULT($have_vmx_intrinsics)
if test $enable_vmx = yes && test $have_vmx_intrinsics = no ; then
AC_MSG_ERROR([VMX intrinsics not detected])
fi
AC_SUBST(VMX_CFLAGS)
AM_CONDITIONAL(USE_VMX, test $have_vmx_intrinsics = yes)
dnl Check for ARM SIMD instructions
ARM_SIMD_CFLAGS=""
have_arm_simd=no
AC_MSG_CHECKING(whether to use ARM SIMD assembler)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $ARM_SIMD_CFLAGS"
AC_COMPILE_IFELSE([
int main () {
asm("uqadd8 r1, r1, r2");
return 0;
}], have_arm_simd=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(arm-simd,
[AC_HELP_STRING([--disable-arm-simd],
[disable ARM SIMD fast paths])],
[enable_arm_simd=$enableval], [enable_arm_simd=auto])
if test $enable_arm_simd = no ; then
have_arm_simd=disabled
fi
if test $have_arm_simd = yes ; then
AC_DEFINE(USE_ARM_SIMD, 1, [use ARM SIMD compiler intrinsics])
else
ARM_SIMD_CFLAGS=
fi
AC_MSG_RESULT($have_arm_simd)
if test $enable_arm_simd = yes && test $have_arm_simd = no ; then
AC_MSG_ERROR([ARM SIMD intrinsics not detected])
fi
dnl Check for ARM NEON instructions
ARM_NEON_CFLAGS="-mfpu=neon -mfloat-abi=softfp"
have_arm_neon=no
AC_MSG_CHECKING(whether to use ARM NEON)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $ARM_NEON_CFLAGS"
AC_COMPILE_IFELSE([
#include <arm_neon.h>
int main () {
uint8x8_t neon_test=vmov_n_u8(0);
return 0;
}], have_arm_neon=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(arm-neon,
[AC_HELP_STRING([--disable-arm-neon],
[disable ARM NEON fast paths])],
[enable_arm_neon=$enableval], [enable_arm_neon=auto])
if test $enable_arm_neon = no ; then
have_arm_neon=disabled
fi
if test $have_arm_neon = yes ; then
AC_DEFINE(USE_ARM_NEON, 1, [use ARM NEON compiler intrinsics])
else
ARM_NEON_CFLAGS=
fi
AC_MSG_RESULT($have_arm_neon)
if test $enable_arm_neon = yes && test $have_arm_neon = no ; then
AC_MSG_ERROR([ARM NEON intrinsics not detected])
fi
dnl Check for GNU-style inline assembly support
have_gcc_inline_asm=no
AC_MSG_CHECKING(whether to use GNU-style inline assembler)
AC_COMPILE_IFELSE([
int main () {
/* Most modern architectures have a NOP instruction, so this is a fairly generic test. */
asm volatile ( "\tnop\n" : : : "cc", "memory" );
return 0;
}], have_gcc_inline_asm=yes)
AC_ARG_ENABLE(gcc-inline-asm,
[AC_HELP_STRING([--disable-gcc-inline-asm],
[disable GNU-style inline assembler])],
[enable_gcc_inline_asm=$enableval], [enable_gcc_inline_asm=auto])
if test $enable_gcc_inline_asm = no ; then
have_gcc_inline_asm=disabled
fi
if test $have_gcc_inline_asm = yes ; then
AC_DEFINE(USE_GCC_INLINE_ASM, 1, [use GNU-style inline assembler])
fi
AC_MSG_RESULT($have_gcc_inline_asm)
if test $enable_gcc_inline_asm = yes && test $have_gcc_inline_asm = no ; then
AC_MSG_ERROR([GNU-style inline assembler not detected])
fi
AC_SUBST(ARM_SIMD_CFLAGS)
AC_SUBST(ARM_NEON_CFLAGS)
AM_CONDITIONAL(USE_ARM_SIMD, test $have_arm_simd = yes)
AM_CONDITIONAL(USE_ARM_NEON, test $have_arm_neon = yes)
AM_CONDITIONAL(USE_GCC_INLINE_ASM, test $have_gcc_inline_asm = yes)
AC_ARG_ENABLE(gtk,
[AC_HELP_STRING([--enable-gtk],
[enable tests using GTK+ [default=auto]])],
[enable_gtk=$enableval], [enable_gtk=auto])
PKG_PROG_PKG_CONFIG
if test $enable_gtk = auto ; then
PKG_CHECK_EXISTS([gtk+-2.0], [enable_gtk=yes], [enable_gtk=no])
fi
if test $enable_gtk = yes ; then
PKG_CHECK_MODULES(GTK, [gtk+-2.0])
fi
AM_CONDITIONAL(HAVE_GTK, [test "x$enable_gtk" = xyes])
AC_SUBST(GTK_CFLAGS)
AC_SUBST(GTK_LIBS)
AC_SUBST(DEP_CFLAGS)
AC_SUBST(DEP_LIBS)
AC_OUTPUT([pixman-1.pc
pixman-1-uninstalled.pc
Makefile
pixman/Makefile
pixman/pixman-version.h
test/Makefile])
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