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Diffstat (limited to 'qemu/pixman/configure.ac')
| -rw-r--r-- | qemu/pixman/configure.ac | 1128 |
1 files changed, 1128 insertions, 0 deletions
diff --git a/qemu/pixman/configure.ac b/qemu/pixman/configure.ac new file mode 100644 index 000000000..dce76b3b2 --- /dev/null +++ b/qemu/pixman/configure.ac @@ -0,0 +1,1128 @@ +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 even 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], 32) +m4_define([pixman_micro], 6) + +m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro]) + +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])]) + +AC_CONFIG_HEADERS(config.h) + +AC_CANONICAL_HOST + +test_CFLAGS=${CFLAGS+set} # We may override autoconf default CFLAGS. + +AC_PROG_CC +AM_PROG_AS +AC_PROG_LIBTOOL +AC_CHECK_FUNCS([getisax]) +AC_C_BIGENDIAN +AC_C_INLINE + +dnl PIXMAN_LINK_WITH_ENV(env-setup, program, true-action, false-action) +dnl +dnl Compiles and links the given program in the environment setup by env-setup +dnl and executes true-action on success and false-action on failure. +AC_DEFUN([PIXMAN_LINK_WITH_ENV],[dnl + save_CFLAGS="$CFLAGS" + save_LDFLAGS="$LDFLAGS" + save_LIBS="$LIBS" + CFLAGS="" + LDFLAGS="" + LIBS="" + $1 + CFLAGS="$save_CFLAGS $CFLAGS" + LDFLAGS="$save_LDFLAGS $LDFLAGS" + LIBS="$save_LIBS $LIBS" + AC_LINK_IFELSE( + [AC_LANG_SOURCE([$2])], + [pixman_cc_stderr=`test -f conftest.err && cat conftest.err` + pixman_cc_flag=yes], + [pixman_cc_stderr=`test -f conftest.err && cat conftest.err` + pixman_cc_flag=no]) + + if test "x$pixman_cc_stderr" != "x"; then + pixman_cc_flag=no + fi + + if test "x$pixman_cc_flag" = "xyes"; then + ifelse([$3], , :, [$3]) + else + ifelse([$4], , :, [$4]) + fi + CFLAGS="$save_CFLAGS" + LDFLAGS="$save_LDFLAGS" + LIBS="$save_LIBS" +]) + +dnl Find a -Werror for catching warnings. +WERROR= +for w in -Werror -errwarn; do + if test "z$WERROR" = "z"; then + AC_MSG_CHECKING([whether the compiler supports $w]) + PIXMAN_LINK_WITH_ENV( + [CFLAGS=$w], + [int main(int c, char **v) { (void)c; (void)v; return 0; }], + [WERROR=$w; yesno=yes], [yesno=no]) + AC_MSG_RESULT($yesno) + fi +done + +dnl PIXMAN_CHECK_CFLAG(flag, [program]) +dnl Adds flag to CFLAGS if the given program links without warnings or errors. +AC_DEFUN([PIXMAN_CHECK_CFLAG], [dnl + AC_MSG_CHECKING([whether the compiler supports $1]) + PIXMAN_LINK_WITH_ENV( + [CFLAGS="$WERROR $1"], + [$2 + int main(int c, char **v) { (void)c; (void)v; return 0; } + ], + [_yesno=yes], + [_yesno=no]) + if test "x$_yesno" = xyes; then + CFLAGS="$CFLAGS $1" + fi + AC_MSG_RESULT($_yesno) +]) + +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 $SUNCC = yes && \ + test "x$test_CFLAGS" = "x" && \ + test "$CFLAGS" = "-g" +then + CFLAGS="-O -g" +fi + +# +# We ignore pixman_major in the version here because the major version should +# always be encoded in the actual library name. Ie., the soname is: +# +# pixman-$(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 + +PIXMAN_CHECK_CFLAG([-Wall]) +PIXMAN_CHECK_CFLAG([-Wdeclaration-after-statement]) +PIXMAN_CHECK_CFLAG([-fno-strict-aliasing]) + +dnl ========================================================================= +dnl OpenMP for the test suite? +dnl + +# Check for OpenMP support only when autoconf support that (require autoconf >=2.62) +OPENMP_CFLAGS= +m4_ifdef([AC_OPENMP], [AC_OPENMP]) + +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 + +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> + + 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 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) \ + 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); + checksum += crc; + } + printf("%u\n", checksum); + return 0; + } + ]) + + PIXMAN_LINK_WITH_ENV( + [CFLAGS="$OPENMP_CFLAGS" LDFLAGS="$OPENMP_CFLAGS"], + [openmp_test_program], + [have_openmp=yes], + [have_openmp=no]) + if test "x$have_openmp" = "xyes" ; then + AC_DEFINE(USE_OPENMP, 1, [use OpenMP in the test suite]) + fi +fi +AC_SUBST(OPENMP_CFLAGS) + +dnl ========================================================================= +dnl -fvisibility stuff + +PIXMAN_CHECK_CFLAG([-fvisibility=hidden], [dnl +#if defined(__GNUC__) && (__GNUC__ >= 4) +#ifdef _WIN32 +#error Have -fvisibility but it is ignored and generates a warning +#endif +#else +#error Need GCC 4.0 for visibility +#endif +]) + +PIXMAN_CHECK_CFLAG([-xldscope=hidden], [dnl +#if defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550) +#else +#error Need Sun Studio 8 for visibility +#endif +]) + +dnl =========================================================================== +dnl Check for Loongson Multimedia Instructions + +if test "x$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_LINK_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 + 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 $CFLAGS" +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)) +#error "Need GCC >= 3.4 for MMX intrinsics" +#endif +#include <mmintrin.h> +int main () { + __m64 v = _mm_cvtsi32_si64 (1); + __m64 w; + + /* Some versions of clang will choke on K */ + asm ("pshufw %2, %1, %0\n\t" + : "=y" (w) + : "y" (v), "K" (5) + ); + + /* Some versions of clang will choke on this */ + asm ("pmulhuw %1, %0\n\t" + : "+y" (w) + : "y" (v) + ); + + return _mm_cvtsi64_si32 (v); +}]])], have_mmx_intrinsics=yes) +CFLAGS=$xserver_save_CFLAGS + +AC_ARG_ENABLE(mmx, + [AC_HELP_STRING([--disable-mmx], + [disable x86 MMX fast paths])], + [enable_mmx=$enableval], [enable_mmx=auto]) + +if test $enable_mmx = no ; then + have_mmx_intrinsics=disabled +fi + +if test $have_mmx_intrinsics = yes ; then + AC_DEFINE(USE_X86_MMX, 1, [use x86 MMX compiler intrinsics]) +else + MMX_CFLAGS= +fi + +AC_MSG_RESULT($have_mmx_intrinsics) +if test $enable_mmx = yes && test $have_mmx_intrinsics = no ; then + AC_MSG_ERROR([x86 MMX intrinsics not detected]) +fi + +AM_CONDITIONAL(USE_X86_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="-msse2 -Winline" + fi +fi + +have_sse2_intrinsics=no +AC_MSG_CHECKING(whether to use SSE2 intrinsics) +xserver_save_CFLAGS=$CFLAGS +CFLAGS="$SSE2_CFLAGS $CFLAGS" + +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)) +# if !defined(__amd64__) && !defined(__x86_64__) +# error "Need GCC >= 4.2 for SSE2 intrinsics on x86" +# endif +#endif +#include <mmintrin.h> +#include <xmmintrin.h> +#include <emmintrin.h> +int main () { + __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c; + c = _mm_xor_si128 (a, b); + return 0; +}]])], have_sse2_intrinsics=yes) +CFLAGS=$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 $have_sse2_intrinsics = yes) + +dnl =========================================================================== +dnl Check for SSSE3 + +if test "x$SSSE3_CFLAGS" = "x" ; then + SSSE3_CFLAGS="-mssse3 -Winline" +fi + +have_ssse3_intrinsics=no +AC_MSG_CHECKING(whether to use SSSE3 intrinsics) +xserver_save_CFLAGS=$CFLAGS +CFLAGS="$SSSE3_CFLAGS $CFLAGS" + +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#include <mmintrin.h> +#include <xmmintrin.h> +#include <emmintrin.h> +#include <tmmintrin.h> +int main () { + __m128i a = _mm_set1_epi32 (0), b = _mm_set1_epi32 (0), c; + c = _mm_maddubs_epi16 (a, b); + return 0; +}]])], have_ssse3_intrinsics=yes) +CFLAGS=$xserver_save_CFLAGS + +AC_ARG_ENABLE(ssse3, + [AC_HELP_STRING([--disable-ssse3], + [disable SSSE3 fast paths])], + [enable_ssse3=$enableval], [enable_ssse3=auto]) + +if test $enable_ssse3 = no ; then + have_ssse3_intrinsics=disabled +fi + +if test $have_ssse3_intrinsics = yes ; then + AC_DEFINE(USE_SSSE3, 1, [use SSSE3 compiler intrinsics]) +fi + +AC_MSG_RESULT($have_ssse3_intrinsics) +if test $enable_ssse3 = yes && test $have_ssse3_intrinsics = no ; then + AC_MSG_ERROR([SSSE3 intrinsics not detected]) +fi + +AM_CONDITIONAL(USE_SSSE3, test $have_ssse3_intrinsics = yes) + +dnl =========================================================================== +dnl Other special flags needed when building code using MMX or SSE instructions +case $host_os in + solaris*) + # When building 32-bit binaries, apply a mapfile to ensure that the + # binaries aren't flagged as only able to run on MMX+SSE capable CPUs + # since they check at runtime before using those instructions. + # Not all linkers grok the mapfile format so we check for that first. + if test "$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="$LDFLAGS -Wl,-M,pixman/solaris-hwcap.mapfile" + AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])], + use_hwcap_mapfile=yes, + HWCAP_LDFLAGS="") + LDFLAGS="$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="$HWCAP_LDFLAGS" + fi + ;; +esac + +AC_SUBST(LS_CFLAGS) +AC_SUBST(IWMMXT_CFLAGS) +AC_SUBST(MMX_CFLAGS) +AC_SUBST(MMX_LDFLAGS) +AC_SUBST(SSE2_CFLAGS) +AC_SUBST(SSE2_LDFLAGS) +AC_SUBST(SSSE3_CFLAGS) + +dnl =========================================================================== +dnl Check for VMX/Altivec +if test -n "`$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=$CFLAGS +CFLAGS="$VMX_CFLAGS $CFLAGS" +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)) +#error "Need GCC >= 3.4 for sane altivec support" +#endif +#include <altivec.h> +int main () { + vector unsigned int v = vec_splat_u32 (1); + v = vec_sub (v, v); + return 0; +}]])], have_vmx_intrinsics=yes) +CFLAGS=$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 $have_vmx_intrinsics = yes) + +dnl ========================================================================== +dnl Check if assembler is gas compatible and supports ARM SIMD instructions +have_arm_simd=no +AC_MSG_CHECKING(whether to use ARM SIMD assembler) +xserver_save_CFLAGS=$CFLAGS +CFLAGS="-x assembler-with-cpp $CFLAGS" +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +.text +.arch armv6 +.object_arch armv4 +.arm +.altmacro +#ifndef __ARM_EABI__ +#error EABI is required (to be sure that calling conventions are compatible) +#endif +pld [r0] +uqadd8 r0, r0, r0]])], have_arm_simd=yes) +CFLAGS=$xserver_save_CFLAGS + +AC_ARG_ENABLE(arm-simd, + [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 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 $have_arm_simd = no ; then + AC_MSG_ERROR([ARM SIMD intrinsics not detected]) +fi + +dnl ========================================================================== +dnl Check if assembler is gas compatible and supports NEON instructions +have_arm_neon=no +AC_MSG_CHECKING(whether to use ARM NEON assembler) +xserver_save_CFLAGS=$CFLAGS +CFLAGS="-x assembler-with-cpp $CFLAGS" +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +.text +.fpu neon +.arch armv7a +.object_arch armv4 +.eabi_attribute 10, 0 +.arm +.altmacro +#ifndef __ARM_EABI__ +#error EABI is required (to be sure that calling conventions are compatible) +#endif +pld [r0] +vmovn.u16 d0, q0]])], have_arm_neon=yes) +CFLAGS=$xserver_save_CFLAGS + +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 $have_arm_neon = no ; then + AC_MSG_ERROR([ARM NEON intrinsics not detected]) +fi + +dnl =========================================================================== +dnl Check for IWMMXT + +AC_ARG_ENABLE(arm-iwmmxt, + [AC_HELP_STRING([--disable-arm-iwmmxt], + [disable ARM IWMMXT fast paths])], + [enable_iwmmxt=$enableval], [enable_iwmmxt=auto]) + +AC_ARG_ENABLE(arm-iwmmxt2, + [AC_HELP_STRING([--disable-arm-iwmmxt2], + [build ARM IWMMXT fast paths with -march=iwmmxt instead of -march=iwmmxt2])], + [enable_iwmmxt2=$enableval], [enable_iwmmxt2=auto]) + +if test "x$IWMMXT_CFLAGS" = "x" ; then + IWMMXT_CFLAGS="-flax-vector-conversions -Winline -march=iwmmxt" + if test $enable_iwmmxt2 != no ; then + IWMMXT_CFLAGS="${IWMMXT_CFLAGS}2" + fi +fi + +have_iwmmxt_intrinsics=no +AC_MSG_CHECKING(whether to use ARM IWMMXT intrinsics) +xserver_save_CFLAGS=$CFLAGS +CFLAGS="$CFLAGS $IWMMXT_CFLAGS" +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#ifndef __arm__ +#error "IWMMXT is only available on ARM" +#endif +#ifndef __IWMMXT__ +#error "IWMMXT not enabled (with -march=iwmmxt)" +#endif +#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)) +#error "Need GCC >= 4.8 for IWMMXT intrinsics" +#endif +#include <mmintrin.h> +int main () { + union { + __m64 v; + char c[8]; + } a = { .c = {1, 2, 3, 4, 5, 6, 7, 8} }; + int b = 4; + __m64 c = _mm_srli_si64 (a.v, b); +}]])], have_iwmmxt_intrinsics=yes) +CFLAGS=$xserver_save_CFLAGS + +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 $have_mips_dspr2 = no ; then + AC_MSG_ERROR([MIPS DSPr2 instructions not detected]) +fi + +dnl ========================================================================================= +dnl Check for GNU-style inline assembly support + +have_gcc_inline_asm=no +AC_MSG_CHECKING(whether to use GNU-style inline assembler) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +int main () { + /* Most modern architectures have a NOP instruction, so this is a fairly generic test. */ + asm volatile ( "\tnop\n" : : : "cc", "memory" ); + return 0; +}]])], have_gcc_inline_asm=yes) + +AC_ARG_ENABLE(gcc-inline-asm, + [AC_HELP_STRING([--disable-gcc-inline-asm], + [disable GNU-style inline assembler])], + [enable_gcc_inline_asm=$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 $have_gcc_inline_asm = yes) + +dnl ============================================== +dnl Static test programs + +AC_ARG_ENABLE(static-testprogs, + [AC_HELP_STRING([--enable-static-testprogs], + [build test programs as static binaries [default=no]])], + [enable_static_testprogs=$enableval], [enable_static_testprogs=no]) + +TESTPROGS_EXTRA_LDFLAGS= +if test "x$enable_static_testprogs" = "xyes" ; then + TESTPROGS_EXTRA_LDFLAGS="-all-static" +fi +AC_SUBST(TESTPROGS_EXTRA_LDFLAGS) + +dnl ============================================== +dnl Timers + +AC_ARG_ENABLE(timers, + [AC_HELP_STRING([--enable-timers], + [enable TIMER_BEGIN and TIMER_END macros [default=no]])], + [enable_timers=$enableval], [enable_timers=no]) + +if test $enable_timers = yes ; then + AC_DEFINE(PIXMAN_TIMERS, 1, [enable TIMER_BEGIN/TIMER_END macros]) +fi +AC_SUBST(PIXMAN_TIMERS) + +dnl =================================== +dnl GTK+ + +AC_ARG_ENABLE(gtk, + [AC_HELP_STRING([--enable-gtk], + [enable tests using GTK+ [default=auto]])], + [enable_gtk=$enableval], [enable_gtk=auto]) + +PKG_PROG_PKG_CONFIG + +if test $enable_gtk = yes ; then + AC_CHECK_LIB([pixman-1], [pixman_version_string]) + PKG_CHECK_MODULES(GTK, [gtk+-2.0 >= 2.16 pixman-1]) +fi + +if test $enable_gtk = auto ; then + AC_CHECK_LIB([pixman-1], [pixman_version_string], [enable_gtk=auto], [enable_gtk=no]) +fi + +if test $enable_gtk = auto ; then + PKG_CHECK_MODULES(GTK, [gtk+-2.0 >= 2.16 pixman-1], [enable_gtk=yes], [enable_gtk=no]) +fi + +AM_CONDITIONAL(HAVE_GTK, [test "x$enable_gtk" = xyes]) + +AC_SUBST(GTK_CFLAGS) +AC_SUBST(GTK_LIBS) + +dnl ===================================== +dnl posix_memalign, sigaction, alarm, gettimeofday + +AC_CHECK_FUNC(posix_memalign, have_posix_memalign=yes, have_posix_memalign=no) +if test x$have_posix_memalign = xyes; then + AC_DEFINE(HAVE_POSIX_MEMALIGN, 1, [Whether we have posix_memalign()]) +fi + +AC_CHECK_FUNC(sigaction, have_sigaction=yes, have_sigaction=no) +if test x$have_sigaction = xyes; then + AC_DEFINE(HAVE_SIGACTION, 1, [Whether we have sigaction()]) +fi + +AC_CHECK_FUNC(alarm, have_alarm=yes, have_alarm=no) +if test x$have_alarm = xyes; then + AC_DEFINE(HAVE_ALARM, 1, [Whether we have alarm()]) +fi + +AC_CHECK_HEADER([sys/mman.h], + [AC_DEFINE(HAVE_SYS_MMAN_H, [1], [Define to 1 if we have <sys/mman.h>])]) + +AC_CHECK_FUNC(mmap, have_mmap=yes, have_mmap=no) +if test x$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$have_mprotect = xyes; then + AC_DEFINE(HAVE_MPROTECT, 1, [Whether we have mprotect()]) +fi + +AC_CHECK_FUNC(getpagesize, have_getpagesize=yes, have_getpagesize=no) +if test x$have_getpagesize = xyes; then + AC_DEFINE(HAVE_GETPAGESIZE, 1, [Whether we have getpagesize()]) +fi + +AC_CHECK_HEADER([fenv.h], + [AC_DEFINE(HAVE_FENV_H, [1], [Define to 1 if we have <fenv.h>])]) + +AC_CHECK_LIB(m, feenableexcept, have_feenableexcept=yes, have_feenableexcept=no) +if test x$have_feenableexcept = xyes; then + AC_DEFINE(HAVE_FEENABLEEXCEPT, 1, [Whether we have feenableexcept()]) +fi + +AC_CHECK_FUNC(gettimeofday, have_gettimeofday=yes, have_gettimeofday=no) +AC_CHECK_HEADER(sys/time.h, have_sys_time_h=yes, have_sys_time_h=no) +if test x$have_gettimeofday = xyes && test x$have_sys_time_h = xyes; then + AC_DEFINE(HAVE_GETTIMEOFDAY, 1, [Whether we have gettimeofday()]) +fi + +dnl ===================================== +dnl Check for missing sqrtf() as, e.g., for Solaris 9 + +AC_SEARCH_LIBS([sqrtf], [m], [], + [AC_DEFINE([sqrtf], [sqrt], + [Define to sqrt if you do not have the `sqrtf' function.])]) + +dnl ===================================== +dnl Thread local storage + +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 + +int $kw test;], [], [ac_cv_tls=$kw; break]) + done +]) +AC_MSG_RESULT($ac_cv_tls) + +if test "$ac_cv_tls" != "none"; then + AC_DEFINE_UNQUOTED([TLS], $ac_cv_tls, [The compiler supported TLS storage class]) +fi + +dnl +dnl posix tls +dnl + +m4_define([pthread_test_program],AC_LANG_SOURCE([[dnl +#include <stdlib.h> +#include <pthread.h> + +static pthread_once_t once_control = PTHREAD_ONCE_INIT; +static pthread_key_t key; + +static void +make_key (void) +{ + pthread_key_create (&key, NULL); +} + +int +main () +{ + void *value = NULL; + + if (pthread_once (&once_control, make_key) != 0) + { + value = NULL; + } + else + { + value = pthread_getspecific (key); + if (!value) + { + value = malloc (100); + pthread_setspecific (key, value); + } + } + return 0; +} +]])) + +AC_DEFUN([PIXMAN_CHECK_PTHREAD],[dnl + if test "z$support_for_pthreads" != "zyes"; then + PIXMAN_LINK_WITH_ENV( + [$1], [pthread_test_program], + [PTHREAD_CFLAGS="$CFLAGS" + PTHREAD_LIBS="$LIBS" + PTHREAD_LDFLAGS="$LDFLAGS" + support_for_pthreads=yes]) + fi +]) + +support_for_pthreads=no + +AC_MSG_CHECKING(for pthreads) + +PIXMAN_CHECK_PTHREAD([CFLAGS="-pthread"; LDFLAGS="-pthread"]) +PIXMAN_CHECK_PTHREAD([CFLAGS="-D_REENTRANT"; LIBS="-lpthread"]) +PIXMAN_CHECK_PTHREAD([CFLAGS="-D_REENTRANT"; LDFLAGS="-lroot"]) + +if test $support_for_pthreads = yes; then + AC_DEFINE([HAVE_PTHREADS], [], [Whether pthreads is supported]) + if test $ac_cv_tls = none ; then + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + fi +fi + +AC_MSG_RESULT($support_for_pthreads) + +AC_SUBST(TOOLCHAIN_SUPPORTS__THREAD) +AC_SUBST(HAVE_PTHREADS) +AC_SUBST(PTHREAD_LDFLAGS) +AC_SUBST(PTHREAD_LIBS) +AC_SUBST(PTHREAD_CFLAGS) + +dnl ===================================== +dnl __attribute__((constructor)) + +support_for_attribute_constructor=no + +AC_MSG_CHECKING(for __attribute__((constructor))) +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 + */ +static int x = 1; +static void __attribute__((constructor)) constructor_function () { x = 0; } +int main (void) { return x; } +#else +#error not gcc or gcc version is older than 2.7 +#endif +]])], support_for_attribute_constructor=yes) + +if test x$support_for_attribute_constructor = xyes; then + AC_DEFINE([TOOLCHAIN_SUPPORTS_ATTRIBUTE_CONSTRUCTOR], + [],[Whether the tool chain supports __attribute__((constructor))]) +fi + +AC_MSG_RESULT($support_for_attribute_constructor) +AC_SUBST(TOOLCHAIN_SUPPORTS_ATTRIBUTE_CONSTRUCTOR) + +dnl ===================================== +dnl __float128 + +support_for_float128=no + +AC_MSG_CHECKING(for __float128) +AC_LINK_IFELSE([AC_LANG_SOURCE([[ +__float128 a = 1.0Q, b = 2.0Q; int main (void) { return a + b; } +]])], support_for_float128=yes) + +if test x$support_for_float128 = xyes; then + AC_DEFINE([HAVE_FLOAT128], [], [Whether the tool chain supports __float128]) +fi + +AC_MSG_RESULT($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 + +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$have_libpng = xyes; then + AC_DEFINE([HAVE_LIBPNG], [1], [Whether we have libpng]) +fi + +AC_SUBST(HAVE_LIBPNG) + +AC_OUTPUT([pixman-1.pc + pixman-1-uninstalled.pc + Makefile + pixman/Makefile + pixman/pixman-version.h + demos/Makefile + test/Makefile]) + +m4_if(m4_eval(pixman_minor % 2), [1], [ + echo + echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" + echo + echo " Thanks for testing this development snapshot of pixman. Please" + echo " report any problems you find, either by sending email to " + echo + echo " pixman@lists.freedesktop.org" + echo + echo " or by filing a bug at " + echo + echo " https://bugs.freedesktop.org/enter_bug.cgi?product=pixman " + echo + echo " If you are looking for a stable release of pixman, please note " + echo " that stable releases have _even_ minor version numbers. Ie., " + echo " pixman-0.]m4_eval(pixman_minor & ~1)[.x are stable releases, whereas pixman-$PIXMAN_VERSION_MAJOR.$PIXMAN_VERSION_MINOR.$PIXMAN_VERSION_MICRO is a " + echo " development snapshot that may contain bugs and experimental " + echo " features. " + echo + echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" + echo +]) |