#
# - The version in git has an odd MICRO version number
#
-# - Released versions both development and stable have an even MICRO
-# version number
+# - Released versions, both development and stable, have an
+# even MICRO version number
#
# - Released development versions have an odd MINOR number
#
#
m4_define([pixman_major], 0)
-m4_define([pixman_minor], 21)
-m4_define([pixman_micro], 6)
+m4_define([pixman_minor], 27)
+m4_define([pixman_micro], 1)
m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])
LIBS=""
$1
AC_LINK_IFELSE(
- [$2],
+ [AC_LANG_SOURCE([$2])],
[pixman_cc_stderr=`test -f conftest.err && cat conftest.err`
pixman_cc_flag=yes],
[pixman_cc_stderr=`test -f conftest.err && cat conftest.err`
[CFLAGS=$w],
[int main(int c, char **v) { (void)c; (void)v; return 0; }],
[WERROR=$w; yesno=yes], [yesno=no])
- AC_MSG_RESULT($_yesno)
+ AC_MSG_RESULT($yesno)
fi
done
# 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 "x$test_CFLAGS" = "x" && \
test "$CFLAGS" = "-g"
then
CFLAGS="-O -g"
dnl OpenMP for the test suite?
dnl
-# Check for OpenMP support (only supported by autoconf >=2.62)
+# Check for OpenMP support only when autoconf support that (require autoconf >=2.62)
OPENMP_CFLAGS=
m4_ifdef([AC_OPENMP], [AC_OPENMP])
-m4_define([openmp_test_program],[dnl
-#include <stdio.h>
+if test "x$enable_openmp" = "xyes" && test "x$ac_cv_prog_c_openmp" = "xunsupported" ; then
+ AC_MSG_WARN([OpenMP support requested but found unsupported])
+fi
-extern unsigned int lcg_seed;
-#pragma omp threadprivate(lcg_seed)
-unsigned int lcg_seed;
+dnl May not fail to link without -Wall -Werror added
+dnl So try to link only when openmp is supported
+dnl ac_cv_prog_c_openmp is not defined when --disable-openmp is used
+if test "x$ac_cv_prog_c_openmp" != "xunsupported" && test "x$ac_cv_prog_c_openmp" != "x"; then
+ m4_define([openmp_test_program],[dnl
+ #include <stdio.h>
-unsigned function(unsigned a, unsigned b)
-{
+ extern unsigned int lcg_seed;
+ #pragma omp threadprivate(lcg_seed)
+ unsigned int lcg_seed;
+
+ unsigned function(unsigned a, unsigned b)
+ {
lcg_seed ^= b;
return ((a + b) ^ a ) + lcg_seed;
-}
+ }
-int main(int argc, char **argv)
-{
+ int main(int argc, char **argv)
+ {
int i;
int n1 = 0, n2 = argc;
unsigned checksum = 0;
int verbose = argv != NULL;
unsigned (*test_function)(unsigned, unsigned);
test_function = function;
- #pragma omp parallel for reduction(+:checksum) default(none) \
+ #pragma omp parallel for reduction(+:checksum) default(none) \
shared(n1, n2, test_function, verbose)
for (i = n1; i < n2; i++)
- {
+ {
unsigned crc = test_function (i, 0);
if (verbose)
printf ("%d: %08X\n", i, crc);
}
printf("%u\n", checksum);
return 0;
-}
-])
+ }
+ ])
-PIXMAN_LINK_WITH_ENV(
+ PIXMAN_LINK_WITH_ENV(
[CFLAGS="$OPENMP_CFLAGS" LDFLAGS="$OPENMP_CFLAGS"],
[openmp_test_program],
[have_openmp=yes],
[have_openmp=no])
-if test "x$have_openmp" = "xyes"; then
- AC_DEFINE(USE_OPENMP, 1, [use OpenMP in the test suite])
-else
- OPENMP_CFLAGS=""
+ if test "x$have_openmp" = "xyes" ; then
+ AC_DEFINE(USE_OPENMP, 1, [use OpenMP in the test suite])
+ fi
fi
AC_SUBST(OPENMP_CFLAGS)
#error Have -fvisibility but it is ignored and generates a warning
#endif
#else
-error Need GCC 4.0 for visibility
+#error Need GCC 4.0 for visibility
#endif
])
PIXMAN_CHECK_CFLAG([-xldscope=hidden], [dnl
#if defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
#else
-error Need Sun Studio 8 for visibility
+#error Need Sun Studio 8 for visibility
#endif
])
dnl ===========================================================================
+dnl Check for Loongson Multimedia Instructions
+
+if test "x$LS_CFLAGS" = "x" ; then
+ LS_CFLAGS="-march=loongson2f"
+fi
+
+have_loongson_mmi=no
+AC_MSG_CHECKING(whether to use Loongson MMI assembler)
+
+xserver_save_CFLAGS=$CFLAGS
+CFLAGS=" $LS_CFLAGS $CFLAGS -I$srcdir"
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#ifndef __mips_loongson_vector_rev
+#error "Loongson Multimedia Instructions are only available on Loongson"
+#endif
+#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 4))
+#error "Need GCC >= 4.4 for Loongson MMI compilation"
+#endif
+#include "pixman/loongson-mmintrin.h"
+int main () {
+ union {
+ __m64 v;
+ char c[8];
+ } a = { .c = {1, 2, 3, 4, 5, 6, 7, 8} };
+ int b = 4;
+ __m64 c = _mm_srli_pi16 (a.v, b);
+ return 0;
+}]])], have_loongson_mmi=yes)
+CFLAGS=$xserver_save_CFLAGS
+
+AC_ARG_ENABLE(loongson-mmi,
+ [AC_HELP_STRING([--disable-loongson-mmi],
+ [disable Loongson MMI fast paths])],
+ [enable_loongson_mmi=$enableval], [enable_loongson_mmi=auto])
+
+if test $enable_loongson_mmi = no ; then
+ have_loongson_mmi=disabled
+fi
+
+if test $have_loongson_mmi = yes ; then
+ AC_DEFINE(USE_LOONGSON_MMI, 1, [use Loongson Multimedia Instructions])
+else
+ LS_CFLAGS=
+fi
+
+AC_MSG_RESULT($have_loongson_mmi)
+if test $enable_loongson_mmi = yes && test $have_loongson_mmi = no ; then
+ AC_MSG_ERROR([Loongson MMI not detected])
+fi
+
+AM_CONDITIONAL(USE_LOONGSON_MMI, test $have_loongson_mmi = yes)
+
+dnl ===========================================================================
dnl Check for MMX
if test "x$MMX_CFLAGS" = "x" ; then
AC_MSG_CHECKING(whether to use MMX intrinsics)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="$MMX_CFLAGS $CFLAGS"
-AC_COMPILE_IFELSE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4))
-error "Need GCC >= 3.4 for MMX intrinsics"
+#error "Need GCC >= 3.4 for MMX intrinsics"
#endif
#include <mmintrin.h>
int main () {
__m64 v = _mm_cvtsi32_si64 (1);
+ __m64 w;
+ signed char x = 0;
+
+ /* Some versions of clang will choke on K */
+ asm ("pshufw %2, %1, %0\n\t"
+ : "=y" (w)
+ : "y" (v), "K" (x)
+ );
+
return _mm_cvtsi64_si32 (v);
-}], have_mmx_intrinsics=yes)
+}]])], have_mmx_intrinsics=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(mmx,
[AC_HELP_STRING([--disable-mmx],
- [disable MMX fast paths])],
+ [disable x86 MMX fast paths])],
[enable_mmx=$enableval], [enable_mmx=auto])
if test $enable_mmx = no ; then
fi
if test $have_mmx_intrinsics = yes ; then
- AC_DEFINE(USE_MMX, 1, [use MMX compiler intrinsics])
+ AC_DEFINE(USE_X86_MMX, 1, [use x86 MMX compiler intrinsics])
else
MMX_CFLAGS=
fi
AC_MSG_RESULT($have_mmx_intrinsics)
if test $enable_mmx = yes && test $have_mmx_intrinsics = no ; then
- AC_MSG_ERROR([MMX intrinsics not detected])
+ AC_MSG_ERROR([x86 MMX intrinsics not detected])
fi
-AM_CONDITIONAL(USE_MMX, test $have_mmx_intrinsics = yes)
+AM_CONDITIONAL(USE_X86_MMX, test $have_mmx_intrinsics = yes)
dnl ===========================================================================
dnl Check for SSE2
xserver_save_CFLAGS=$CFLAGS
CFLAGS="$SSE2_CFLAGS $CFLAGS"
-AC_COMPILE_IFELSE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2))
# if !defined(__amd64__) && !defined(__x86_64__)
# error "Need GCC >= 4.2 for SSE2 intrinsics on x86"
__m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c;
c = _mm_xor_si128 (a, b);
return 0;
-}], have_sse2_intrinsics=yes)
+}]])], have_sse2_intrinsics=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(sse2,
hwcap_save_LDFLAGS="$LDFLAGS"
HWCAP_LDFLAGS='-Wl,-M,$(srcdir)/solaris-hwcap.mapfile'
LDFLAGS="$LDFLAGS -Wl,-M,pixman/solaris-hwcap.mapfile"
- AC_LINK_IFELSE([int main() { return 0; }],
+ AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
use_hwcap_mapfile=yes,
HWCAP_LDFLAGS="")
LDFLAGS="$hwcap_save_LDFLAGS"
;;
esac
+AC_SUBST(LS_CFLAGS)
+AC_SUBST(IWMMXT_CFLAGS)
AC_SUBST(MMX_CFLAGS)
AC_SUBST(MMX_LDFLAGS)
AC_SUBST(SSE2_CFLAGS)
AC_MSG_CHECKING(whether to use VMX/Altivec intrinsics)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="$VMX_CFLAGS $CFLAGS"
-AC_COMPILE_IFELSE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4))
-error "Need GCC >= 3.4 for sane altivec support"
+#error "Need GCC >= 3.4 for sane altivec support"
#endif
#include <altivec.h>
int main () {
vector unsigned int v = vec_splat_u32 (1);
v = vec_sub (v, v);
return 0;
-}], have_vmx_intrinsics=yes)
+}]])], have_vmx_intrinsics=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(vmx,
AC_MSG_CHECKING(whether to use ARM SIMD assembler)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="-x assembler-with-cpp $CFLAGS"
-AC_COMPILE_IFELSE([[
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
.text
.arch armv6
.object_arch armv4
#error EABI is required (to be sure that calling conventions are compatible)
#endif
pld [r0]
-uqadd8 r0, r0, r0]], have_arm_simd=yes)
+uqadd8 r0, r0, r0]])], have_arm_simd=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(arm-simd,
AC_MSG_CHECKING(whether to use ARM NEON assembler)
xserver_save_CFLAGS=$CFLAGS
CFLAGS="-x assembler-with-cpp $CFLAGS"
-AC_COMPILE_IFELSE([[
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
.text
.fpu neon
.arch armv7a
#error EABI is required (to be sure that calling conventions are compatible)
#endif
pld [r0]
-vmovn.u16 d0, q0]], have_arm_neon=yes)
+vmovn.u16 d0, q0]])], have_arm_neon=yes)
CFLAGS=$xserver_save_CFLAGS
AC_ARG_ENABLE(arm-neon,
AC_MSG_ERROR([ARM NEON intrinsics not detected])
fi
+dnl ===========================================================================
+dnl Check for IWMMXT
+
+if test "x$IWMMXT_CFLAGS" = "x" ; then
+ IWMMXT_CFLAGS="-march=iwmmxt -flax-vector-conversions -Winline"
+fi
+
+have_iwmmxt_intrinsics=no
+AC_MSG_CHECKING(whether to use ARM IWMMXT intrinsics)
+xserver_save_CFLAGS=$CFLAGS
+CFLAGS="$IWMMXT_CFLAGS $CFLAGS"
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#ifndef __arm__
+#error "IWMMXT is only available on ARM"
+#endif
+#ifndef __IWMMXT__
+#error "IWMMXT not enabled (with -march=iwmmxt)"
+#endif
+#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 5))
+#error "Need GCC >= 4.5 for IWMMXT intrinsics"
+#endif
+#include <mmintrin.h>
+int main () {
+ union {
+ __m64 v;
+ char c[8];
+ } a = { .c = {1, 2, 3, 4, 5, 6, 7, 8} };
+ int b = 4;
+ __m64 c = _mm_srli_si64 (a.v, b);
+}]])], have_iwmmxt_intrinsics=yes)
+CFLAGS=$xserver_save_CFLAGS
+
+AC_ARG_ENABLE(arm-iwmmxt,
+ [AC_HELP_STRING([--disable-arm-iwmmxt],
+ [disable ARM IWMMXT fast paths])],
+ [enable_iwmmxt=$enableval], [enable_iwmmxt=auto])
+
+if test $enable_iwmmxt = no ; then
+ have_iwmmxt_intrinsics=disabled
+fi
+
+if test $have_iwmmxt_intrinsics = yes ; then
+ AC_DEFINE(USE_ARM_IWMMXT, 1, [use ARM IWMMXT compiler intrinsics])
+else
+ IWMMXT_CFLAGS=
+fi
+
+AC_MSG_RESULT($have_iwmmxt_intrinsics)
+if test $enable_iwmmxt = yes && test $have_iwmmxt_intrinsics = no ; then
+ AC_MSG_ERROR([IWMMXT intrinsics not detected])
+fi
+
+AM_CONDITIONAL(USE_ARM_IWMMXT, test $have_iwmmxt_intrinsics = yes)
+
+dnl ==========================================================================
+dnl Check if assembler is gas compatible and supports MIPS DSPr2 instructions
+
+have_mips_dspr2=no
+AC_MSG_CHECKING(whether to use MIPS DSPr2 assembler)
+xserver_save_CFLAGS=$CFLAGS
+CFLAGS="-mdspr2 $CFLAGS"
+
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#if !(defined(__mips__) && __mips_isa_rev >= 2)
+#error MIPS DSPr2 is currently only available on MIPS32r2 platforms.
+#endif
+int
+main ()
+{
+ int c = 0, a = 0, b = 0;
+ __asm__ __volatile__ (
+ "precr.qb.ph %[c], %[a], %[b] \n\t"
+ : [c] "=r" (c)
+ : [a] "r" (a), [b] "r" (b)
+ );
+ return c;
+}]])], have_mips_dspr2=yes)
+CFLAGS=$xserver_save_CFLAGS
+
+AC_ARG_ENABLE(mips-dspr2,
+ [AC_HELP_STRING([--disable-mips-dspr2],
+ [disable MIPS DSPr2 fast paths])],
+ [enable_mips_dspr2=$enableval], [enable_mips_dspr2=auto])
+
+if test $enable_mips_dspr2 = no ; then
+ have_mips_dspr2=disabled
+fi
+
+if test $have_mips_dspr2 = yes ; then
+ AC_DEFINE(USE_MIPS_DSPR2, 1, [use MIPS DSPr2 assembly optimizations])
+fi
+
+AM_CONDITIONAL(USE_MIPS_DSPR2, test $have_mips_dspr2 = yes)
+
+AC_MSG_RESULT($have_mips_dspr2)
+if test $enable_mips_dspr2 = yes && test $have_mips_dspr2 = no ; then
+ AC_MSG_ERROR([MIPS DSPr2 instructions not detected])
+fi
+
dnl =========================================================================================
dnl Check for GNU-style inline assembly support
have_gcc_inline_asm=no
AC_MSG_CHECKING(whether to use GNU-style inline assembler)
-AC_COMPILE_IFELSE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
int main () {
/* Most modern architectures have a NOP instruction, so this is a fairly generic test. */
asm volatile ( "\tnop\n" : : : "cc", "memory" );
return 0;
-}], have_gcc_inline_asm=yes)
+}]])], have_gcc_inline_asm=yes)
AC_ARG_ENABLE(gcc-inline-asm,
[AC_HELP_STRING([--disable-gcc-inline-asm],
AC_CHECK_HEADER([sys/mman.h],
[AC_DEFINE(HAVE_SYS_MMAN_H, [1], [Define to 1 if we have <sys/mman.h>])])
+AC_CHECK_FUNC(mmap, have_mmap=yes, have_mmap=no)
+if test x$have_mmap = xyes; then
+ AC_DEFINE(HAVE_MMAP, 1, [Whether we have mmap()])
+fi
+
AC_CHECK_FUNC(mprotect, have_mprotect=yes, have_mprotect=no)
if test x$have_mprotect = xyes; then
AC_DEFINE(HAVE_MPROTECT, 1, [Whether we have mprotect()])
dnl =====================================
dnl Thread local storage
-support_for__thread=no
-
-AC_MSG_CHECKING(for __thread)
-AC_LINK_IFELSE([
+AC_MSG_CHECKING(for thread local storage (TLS) support)
+AC_CACHE_VAL(ac_cv_tls, [
+ ac_cv_tls=none
+ keywords="__thread __declspec(thread)"
+ for kw in $keywords ; do
+ AC_TRY_COMPILE([
#if defined(__MINGW32__) && !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5))
#error This MinGW version has broken __thread support
#endif
#ifdef __OpenBSD__
#error OpenBSD has broken __thread support
#endif
-static __thread int x ;
-int main () { x = 123; return x; }
-], support_for__thread=yes)
-if test $support_for__thread = yes; then
- AC_DEFINE([TOOLCHAIN_SUPPORTS__THREAD],[],[Whether the tool chain supports __thread])
-fi
+int $kw test;], [], ac_cv_tls=$kw)
+ done
+])
+AC_MSG_RESULT($ac_cv_tls)
-AC_MSG_RESULT($support_for__thread)
+if test "$ac_cv_tls" != "none"; then
+ AC_DEFINE_UNQUOTED([TLS], $ac_cv_tls, [The compiler supported TLS storage class])
+fi
dnl
dnl posix tls
dnl
-m4_define([pthread_test_program],[dnl
+m4_define([pthread_test_program],AC_LANG_SOURCE([[dnl
#include <stdlib.h>
#include <pthread.h>
}
return 0;
}
-])
+]]))
AC_DEFUN([PIXMAN_CHECK_PTHREAD],[dnl
if test "z$support_for_pthread_setspecific" != "zyes"; then
fi
])
-if test $support_for__thread = no; then
+if test $ac_cv_tls = none ; then
support_for_pthread_setspecific=no
AC_MSG_CHECKING(for pthread_setspecific)
support_for_attribute_constructor=no
AC_MSG_CHECKING(for __attribute__((constructor)))
-AC_LINK_IFELSE([
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
/* attribute 'constructor' is supported since gcc 2.7, but some compilers
* may only pretend to be gcc, so let's try to actually use it
#else
#error not gcc or gcc version is older than 2.7
#endif
-], support_for_attribute_constructor=yes)
+]])], support_for_attribute_constructor=yes)
if test x$support_for_attribute_constructor = xyes; then
AC_DEFINE([TOOLCHAIN_SUPPORTS_ATTRIBUTE_CONSTRUCTOR],
AC_MSG_RESULT($support_for_attribute_constructor)
AC_SUBST(TOOLCHAIN_SUPPORTS_ATTRIBUTE_CONSTRUCTOR)
+dnl ==================
+dnl libpng
+
+AC_ARG_ENABLE(libpng, AS_HELP_STRING([--enable-libpng], [Build support for libpng (default: auto)]),
+ [have_libpng=$enableval], [have_libpng=auto])
+
+case x$have_libpng in
+ xyes) PKG_CHECK_MODULES(PNG, [libpng]) ;;
+ xno) ;;
+ *) PKG_CHECK_MODULES(PNG, [libpng], have_libpng=yes, have_libpng=no) ;;
+esac
+
+if test x$have_libpng = xyes; then
+ AC_DEFINE([HAVE_LIBPNG], [1], [Whether we have libpng])
+fi
+
+AC_SUBST(HAVE_LIBPNG)
+
AC_OUTPUT([pixman-1.pc
pixman-1-uninstalled.pc
Makefile
projects / profile / ivi / pixman.git / blobdiff