Packaging: version up to 0.38.4

[platform/upstream/pixman.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2dd4776..4cbd454 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -53,8 +53,8 @@ AC_PREREQ([2.57])
 #
 
 m4_define([pixman_major], 0)
-m4_define([pixman_minor], 31)
-m4_define([pixman_micro], 1)
+m4_define([pixman_minor], 38)
+m4_define([pixman_micro], 4)
 
 m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])
 
@@ -183,6 +183,8 @@ AC_SUBST(LT_VERSION_INFO)
 # Check for dependencies
 
 PIXMAN_CHECK_CFLAG([-Wall])
+PIXMAN_CHECK_CFLAG([-Wdeclaration-after-statement])
+PIXMAN_CHECK_CFLAG([-Wno-unused-local-typedefs])
 PIXMAN_CHECK_CFLAG([-fno-strict-aliasing])
 
 dnl =========================================================================
@@ -345,14 +347,32 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #error "Need GCC >= 3.4 for MMX intrinsics"
 #endif
 #include <mmintrin.h>
+#include <stdint.h>
+
+/* Check support for block expressions */
+#define _mm_shuffle_pi16(A, N)                                         \
+    ({                                                                 \
+       __m64 ret;                                                      \
+                                                                       \
+       /* Some versions of clang will choke on K */                    \
+       asm ("pshufw %2, %1, %0\n\t"                                    \
+            : "=y" (ret)                                               \
+            : "y" (A), "K" ((const int8_t)N)                           \
+       );                                                              \
+                                                                       \
+       ret;                                                            \
+    })
+
 int main () {
     __m64 v = _mm_cvtsi32_si64 (1);
     __m64 w;
 
-    /* Some versions of clang will choke on K */
-    asm ("pshufw %2, %1, %0\n\t"
-        : "=y" (w)
-        : "y" (v), "K" (5)
+    w = _mm_shuffle_pi16(v, 5);
+
+    /* Some versions of clang will choke on this */
+    asm ("pmulhuw %1, %0\n\t"
+       : "+y" (w)
+       : "y" (v)
     );
 
     return _mm_cvtsi64_si32 (v);
@@ -409,10 +429,11 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #include <mmintrin.h>
 #include <xmmintrin.h>
 #include <emmintrin.h>
+int param;
 int main () {
-    __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c;
+    __m128i a = _mm_set1_epi32 (param), b = _mm_set1_epi32 (param + 1), c;
        c = _mm_xor_si128 (a, b);
-    return 0;
+    return _mm_cvtsi128_si32(c);
 }]])], have_sse2_intrinsics=yes)
 CFLAGS=$xserver_save_CFLAGS
 
@@ -453,10 +474,11 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
 #include <xmmintrin.h>
 #include <emmintrin.h>
 #include <tmmintrin.h>
+int param;
 int main () {
-    __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c;
+    __m128i a = _mm_set1_epi32 (param), b = _mm_set1_epi32 (param + 1), c;
     c = _mm_maddubs_epi16 (a, b);
-    return 0;
+    return _mm_cvtsi128_si32(c);
 }]])], have_ssse3_intrinsics=yes)
 CFLAGS=$xserver_save_CFLAGS
 
@@ -812,6 +834,19 @@ fi
 AC_SUBST(PIXMAN_TIMERS)
 
 dnl ===================================
+dnl gnuplot
+
+AC_ARG_ENABLE(gnuplot,
+   [AC_HELP_STRING([--enable-gnuplot],
+                   [enable output of filters that can be piped to gnuplot [default=no]])],
+   [enable_gnuplot=$enableval], [enable_gnuplot=no])
+
+if test $enable_gnuplot = yes ; then
+   AC_DEFINE(PIXMAN_GNUPLOT, 1, [enable output that can be piped to gnuplot])
+fi
+AC_SUBST(PIXMAN_GNUPLOT)
+
+dnl ===================================
 dnl GTK+
 
 AC_ARG_ENABLE(gtk,
@@ -883,6 +918,11 @@ if test x$have_feenableexcept = xyes; then
    AC_DEFINE(HAVE_FEENABLEEXCEPT, 1, [Whether we have feenableexcept()])
 fi
 
+AC_CHECK_DECL([FE_DIVBYZERO],
+       [AC_DEFINE(HAVE_FEDIVBYZERO, 1, [Whether we have FE_DIVBYZERO])],
+       [],
+       [[#include <fenv.h>]])
+
 AC_CHECK_FUNC(gettimeofday, have_gettimeofday=yes, have_gettimeofday=no)
 AC_CHECK_HEADER(sys/time.h, have_sys_time_h=yes, have_sys_time_h=no)
 if test x$have_gettimeofday = xyes && test x$have_sys_time_h = xyes; then
@@ -1037,6 +1077,40 @@ fi
 
 AC_MSG_RESULT($support_for_float128)
 
+dnl =====================================
+dnl __builtin_clz
+
+support_for_builtin_clz=no
+
+AC_MSG_CHECKING(for __builtin_clz)
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
+unsigned int x = 11; int main (void) { return __builtin_clz(x); }
+]])], support_for_builtin_clz=yes)
+
+if test x$support_for_builtin_clz = xyes; then
+   AC_DEFINE([HAVE_BUILTIN_CLZ], [], [Whether the compiler supports __builtin_clz])
+fi
+
+AC_MSG_RESULT($support_for_builtin_clz)
+
+dnl =====================================
+dnl GCC vector extensions
+
+support_for_gcc_vector_extensions=no
+
+AC_MSG_CHECKING(for GCC vector extensions)
+AC_LINK_IFELSE([AC_LANG_SOURCE([[
+unsigned int __attribute__ ((vector_size(16))) e, a, b;
+int main (void) { e = a - ((b << 27) + (b >> (32 - 27))) + 1; return e[0]; }
+]])], support_for_gcc_vector_extensions=yes)
+
+if test x$support_for_gcc_vector_extensions = xyes; then
+   AC_DEFINE([HAVE_GCC_VECTOR_EXTENSIONS], [],
+             [Whether the compiler supports GCC vector extensions])
+fi
+
+AC_MSG_RESULT($support_for_gcc_vector_extensions)
+
 dnl ==================
 dnl libpng