#
# - Released development versions have an odd MINOR number
#
-# - Released stable versions have an event MINOR number
+# - Released stable versions have an even MINOR number
#
# - Versions that break ABI must have a new MAJOR number
#
#
m4_define([pixman_major], 0)
-m4_define([pixman_minor], 13)
+m4_define([pixman_minor], 19)
m4_define([pixman_micro], 1)
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])
+AC_INIT(pixman, pixman_version, "pixman@lists.freedesktop.org", pixman)
+AM_INIT_AUTOMAKE([foreign dist-bzip2])
+
+# Suppress verbose compile lines
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AM_CONFIG_HEADER(config.h)
+AC_CANONICAL_HOST
+
+test_CFLAGS=${CFLAGS+set} # We may override autoconf default CFLAGS.
+
AC_PROG_CC
+AM_PROG_AS
AC_PROG_LIBTOOL
AC_CHECK_FUNCS([getisax])
AC_C_BIGENDIAN
AC_C_INLINE
+
+AC_CHECK_SIZEOF(long)
+
+# Checks for Sun Studio compilers
+AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
+AC_CHECK_DECL([__amd64], [AMD64_ABI="yes"], [AMD64_ABI="no"])
+
+# Default CFLAGS to -O -g rather than just the -g from AC_PROG_CC
+# if we're using Sun Studio and neither the user nor a config.site
+# has set CFLAGS.
+if test $SUNCC = yes && \
+ test "$test_CFLAGS" == "" && \
+ test "$CFLAGS" = "-g"
+then
+ CFLAGS="-O -g"
+fi
+
#
# We ignore pixman_major in the version here because the major version should
# always be encoded in the actual library name. Ie., the soname is:
changequote(,)dnl
if test "x$GCC" = "xyes"; then
+
case " $CFLAGS " in
*[\ \ ]-Wall[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wall" ;;
- esac fi changequote([,])dnl
+ esac
+
+ case " $CFLAGS " in
+ *[\ \ ]-fno-strict-aliasing[\ \ ]*) ;;
+ *) CFLAGS="$CFLAGS -fno-strict-aliasing" ;;
+ esac
+
+fi changequote([,])dnl
AC_PATH_PROG(PERL, perl, no)
if test "x$PERL" = xno; then
dnl ===========================================================================
dnl Check for MMX
-MMX_CFLAGS="-mmmx -Winline"
+if test "x$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=$CFLAGS
-CFLAGS="$CFLAGS $MMX_CFLAGS"
+CFLAGS="$MMX_CFLAGS $CFLAGS"
AC_COMPILE_IFELSE([
#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4))
error "Need GCC >= 3.4 for MMX intrinsics"
dnl ===========================================================================
dnl Check for SSE2
-SSE2_CFLAGS="-mmmx -msse2 -Winline"
+if test "x$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=$CFLAGS
-CFLAGS="$CFLAGS -msse2 $SSE2_CFLAGS"
+CFLAGS="$SSE2_CFLAGS $CFLAGS"
AC_COMPILE_IFELSE([
#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2))
#include <xmmintrin.h>
#include <emmintrin.h>
int main () {
- __m128i a, b, c;
+ __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c;
c = _mm_xor_si128 (a, b);
return 0;
}], have_sse2_intrinsics=yes)
AM_CONDITIONAL(USE_SSE2, test $have_sse2_intrinsics = yes)
-dnl ========================================================
+dnl ===========================================================================
+dnl Other special flags needed when building code using MMX or SSE instructions
+case $host_os in
+ solaris*)
+ # When building 32-bit binaries, apply a mapfile to ensure that the
+ # binaries aren't flagged as only able to run on MMX+SSE capable CPUs
+ # since they check at runtime before using those instructions.
+ # Not all linkers grok the mapfile format so we check for that first.
+ if test "$AMD64_ABI" = "no" ; then
+ use_hwcap_mapfile=no
+ AC_MSG_CHECKING(whether to use a hardware capability map file)
+ hwcap_save_LDFLAGS="$LDFLAGS"
+ HWCAP_LDFLAGS='-Wl,-M,$(srcdir)/solaris-hwcap.mapfile'
+ LDFLAGS="$LDFLAGS -Wl,-M,pixman/solaris-hwcap.mapfile"
+ AC_LINK_IFELSE([int main() { return 0; }],
+ use_hwcap_mapfile=yes,
+ HWCAP_LDFLAGS="")
+ LDFLAGS="$hwcap_save_LDFLAGS"
+ AC_MSG_RESULT($use_hwcap_mapfile)
+ fi
+ if test "x$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"
have_vmx_intrinsics=no
AC_MSG_CHECKING(whether to use VMX/Altivec intrinsics)
xserver_save_CFLAGS=$CFLAGS
-CFLAGS="$CFLAGS $VMX_CFLAGS"
+CFLAGS="$VMX_CFLAGS $CFLAGS"
AC_COMPILE_IFELSE([
#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4))
error "Need GCC >= 3.4 for sane altivec support"
AM_CONDITIONAL(USE_VMX, test $have_vmx_intrinsics = yes)
-dnl Check for ARM SIMD instructions
-
+dnl ==========================================================================
+dnl Check if assembler is gas compatible and supports ARM SIMD instructions
have_arm_simd=no
AC_MSG_CHECKING(whether to use ARM SIMD assembler)
xserver_save_CFLAGS=$CFLAGS
-CFLAGS="$CFLAGS $ARM_CFLAGS"
-AC_COMPILE_IFELSE([
-int main () {
- asm("uqadd8 r1, r1, r2");
- return 0;
-}], have_arm_simd=yes)
+CFLAGS="-x assembler-with-cpp $CFLAGS"
+AC_COMPILE_IFELSE([[
+.text
+.arch armv6
+.object_arch armv4
+.arm
+.altmacro
+#ifndef __ARM_EABI__
+#error EABI is required (to be sure that calling conventions are compatible)
+#endif
+pld [r0]
+uqadd8 r0, r0, r0]], have_arm_simd=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(arm-simd,
fi
if test $have_arm_simd = yes ; then
- AC_DEFINE(USE_ARM_SIMD, 1, [use ARM SIMD compiler intrinsics])
-else
- ARM_CFLAGS=
+ AC_DEFINE(USE_ARM_SIMD, 1, [use ARM SIMD assembly optimizations])
fi
+AM_CONDITIONAL(USE_ARM_SIMD, test $have_arm_simd = yes)
+
AC_MSG_RESULT($have_arm_simd)
if test $enable_arm_simd = yes && test $have_arm_simd = no ; then
AC_MSG_ERROR([ARM SIMD intrinsics not detected])
fi
-AC_SUBST(ARM_CFLAGS)
+dnl ==========================================================================
+dnl Check if assembler is gas compatible and supports NEON instructions
+have_arm_neon=no
+AC_MSG_CHECKING(whether to use ARM NEON assembler)
+xserver_save_CFLAGS=$CFLAGS
+CFLAGS="-x assembler-with-cpp $CFLAGS"
+AC_COMPILE_IFELSE([[
+.text
+.fpu neon
+.arch armv7a
+.object_arch armv4
+.eabi_attribute 10, 0
+.arm
+.altmacro
+#ifndef __ARM_EABI__
+#error EABI is required (to be sure that calling conventions are compatible)
+#endif
+pld [r0]
+vmovn.u16 d0, q0]], have_arm_neon=yes)
+CFLAGS=$xserver_save_CFLAGS
-AM_CONDITIONAL(USE_ARM_SIMD, test $have_arm_simd = yes)
+AC_ARG_ENABLE(arm-neon,
+ [AC_HELP_STRING([--disable-arm-neon],
+ [disable ARM NEON fast paths])],
+ [enable_arm_neon=$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 assembly optimizations])
+fi
+
+AM_CONDITIONAL(USE_ARM_NEON, test $have_arm_neon = yes)
+
+AC_MSG_RESULT($have_arm_neon)
+if test $enable_arm_neon = yes && test $have_arm_neon = no ; then
+ AC_MSG_ERROR([ARM NEON intrinsics not detected])
+fi
+
+dnl =========================================================================================
+dnl Check for GNU-style inline assembly support
+
+have_gcc_inline_asm=no
+AC_MSG_CHECKING(whether to use GNU-style inline assembler)
+AC_COMPILE_IFELSE([
+int main () {
+ /* Most modern architectures have a NOP instruction, so this is a fairly generic test. */
+ asm volatile ( "\tnop\n" : : : "cc", "memory" );
+ return 0;
+}], have_gcc_inline_asm=yes)
+
+AC_ARG_ENABLE(gcc-inline-asm,
+ [AC_HELP_STRING([--disable-gcc-inline-asm],
+ [disable GNU-style inline assembler])],
+ [enable_gcc_inline_asm=$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
+
+AM_CONDITIONAL(USE_GCC_INLINE_ASM, test $have_gcc_inline_asm = yes)
+
+dnl ==============================================
+dnl Timers
+
+AC_ARG_ENABLE(timers,
+ [AC_HELP_STRING([--enable-timers],
+ [enable TIMER_BEGIN and TIMER_END macros [default=no]])],
+ [enable_timers=$enableval], [enable_timers=no])
+
+if test $enable_timers = yes ; then
+ AC_DEFINE(PIXMAN_TIMERS, 1, [enable TIMER_BEGIN/TIMER_END macros])
+fi
+AC_SUBST(PIXMAN_TIMERS)
+dnl ===================================
+dnl GTK+
AC_ARG_ENABLE(gtk,
[AC_HELP_STRING([--enable-gtk],
AC_SUBST(GTK_LIBS)
AC_SUBST(DEP_CFLAGS)
AC_SUBST(DEP_LIBS)
-
+
+dnl =====================================
+dnl posix_memalign
+
+AC_CHECK_FUNC(posix_memalign, have_posix_memalign=yes, have_posix_memalign=no)
+if test x$have_posix_memalign = xyes; then
+ AC_DEFINE(HAVE_POSIX_MEMALIGN, 1, [Whether we have posix_memalign()])
+fi
+
+dnl =====================================
+dnl Thread local storage
+
+support_for__thread=no
+
+AC_MSG_CHECKING(for __thread)
+AC_COMPILE_IFELSE([
+#ifdef __MINGW32__
+#error MinGW has broken __thread support
+#endif
+__thread int x ;
+int main () { return 0; }
+], support_for__thread=yes)
+
+if test $support_for__thread = yes; then
+ AC_DEFINE([TOOLCHAIN_SUPPORTS__THREAD],[],[Whether the tool chain supports __thread])
+fi
+
+AC_MSG_RESULT($support_for__thread)
+
+dnl posix tls
+
+if test $support_for__thread = no; then
+
+support_for_pthread_setspecific=no
+
+AC_MSG_CHECKING(for pthread_setspecific)
+
+save_LDFLAGS=$LDFLAGS
+
+LDFLAGS="-pthread"
+
+AC_LINK_IFELSE([
+#include <pthread.h>
+
+#include <stdlib.h>
+#include <pthread.h>
+
+static pthread_once_t once_control = PTHREAD_ONCE_INIT;
+static pthread_key_t key;
+
+static void
+make_key (void)
+{
+ pthread_key_create (&key, NULL);
+}
+
+int
+main ()
+{
+ void *value = NULL;
+
+ if (pthread_once (&once_control, make_key) != 0)
+ {
+ value = NULL;
+ }
+ else
+ {
+ value = pthread_getspecific (key);
+ if (!value)
+ {
+ value = malloc (100);
+ pthread_setspecific (key, value);
+ }
+ }
+}
+], support_for_pthread_setspecific=yes);
+
+LDFLAGS=$save_LDFLAGS
+
+if test $support_for_pthread_setspecific = yes; then
+ PTHREAD_LDFLAGS="-pthread"
+ AC_DEFINE([HAVE_PTHREAD_SETSPECIFIC], [], [Whether pthread_setspecific() is supported])
+fi
+
+AC_MSG_RESULT($support_for_pthread_setspecific);
+
+fi
+
+AC_SUBST(TOOLCHAIN_SUPPORTS__THREAD)
+AC_SUBST(HAVE_PTHREAD_SETSPECIFIC)
+AC_SUBST(PTHREAD_LDFLAGS)
+
AC_OUTPUT([pixman-1.pc
pixman-1-uninstalled.pc
Makefile