mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2025-12-22 04:30:11 +01:00
99 lines
2.6 KiB
Text
99 lines
2.6 KiB
Text
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dnl
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dnl Check for functions, headers, libraries, etc go here
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dnl
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AM_CONDITIONAL(CROSS_COMPILING, test "x$cross_compiling" = "xyes")
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CAIRO_BIGENDIAN
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AC_STDC_HEADERS
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dnl Checks for precise integer types
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AC_CHECK_HEADERS([stdint.h signal.h setjmp.h inttypes.h sys/int_types.h])
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AC_CHECK_TYPES([uint64_t, uint128_t])
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dnl Check for socket support for any2ppm daemon
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AC_CHECK_HEADERS([fcntl.h unistd.h signal.h sys/stat.h sys/socket.h sys/poll.h sys/un.h])
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dnl Checks for misc headers
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AC_CHECK_HEADERS([libgen.h byteswap.h])
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dnl check for CPU affinity support
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AC_CHECK_HEADERS([sched.h], [
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AC_CHECK_FUNCS([sched_getaffinity], [
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AC_DEFINE([HAVE_SCHED_GETAFFINITY], [1],
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[Define to 1 if you have Linux compatible sched_getaffinity])
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])
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])
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AC_CHECK_FUNCS(vasnprintf link ctime_r drand48 flockfile)
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AC_CHECK_LIB(rt, sched_yield, [RT_LIBS=-lrt], [RT_LIBS=])
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CAIROPERF_LIBS=$RT_LIBS
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# check for GNU-extensions to fenv
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AC_CHECK_HEADER(fenv.h, [AC_CHECK_FUNCS(feenableexcept fedisableexcept)])
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AC_MSG_CHECKING([for Sun Solaris (non-POSIX ctime_r)])
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case "$host" in
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*-*-solaris*)
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CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
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solaris_posix_pthread=yes
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;;
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*)
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solaris_posix_pthread=no
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;;
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esac
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AC_MSG_RESULT([$solaris_posix_pthread])
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dnl ===========================================================================
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dnl
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dnl Test for native atomic operations.
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dnl
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AC_CACHE_CHECK([for native atomic primitives], cairo_cv_atomic_primitives, [
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cairo_cv_atomic_primitives="none"
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AC_TRY_LINK([int atomic_add(int i) { return __sync_fetch_and_add (&i, 1); }], [],
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cairo_cv_atomic_primitives="Intel"
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)
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])
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if test "x$cairo_cv_atomic_primitives" = xIntel; then
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AC_DEFINE(CAIRO_HAS_INTEL_ATOMIC_PRIMITIVES, 1, [Enable if your compiler supports the Intel __sync_* atomic primitives])
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fi
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AC_CACHE_CHECK([whether atomic ops require a memory barrier], cairo_cv_atomic_op_needs_memory_barrier, [
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case $host_cpu in
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i?86)
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cairo_cv_atomic_op_needs_memory_barrier="no"
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;;
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x86_64)
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cairo_cv_atomic_op_needs_memory_barrier="no"
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;;
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arm*)
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cairo_cv_atomic_op_needs_memory_barrier="no"
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;;
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*)
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cairo_cv_atomic_op_needs_memory_barrier="yes"
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;;
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esac
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])
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if test "x$cairo_cv_atomic_op_needs_memory_barrier" = "xyes"; then
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AC_DEFINE_UNQUOTED(CAIRO_ATOMIC_OP_NEEDS_MEMORY_BARRIER, 1,
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[whether Cairo needs memory barriers around atomic ops])
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fi
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AC_MSG_CHECKING([for native Win32])
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case "$host" in
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*-*-mingw*)
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cairo_os_win32=yes
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;;
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*)
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cairo_os_win32=no
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;;
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esac
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AC_MSG_RESULT([$cairo_os_win32])
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AM_CONDITIONAL(OS_WIN32, test "$cairo_os_win32" = "yes")
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AC_CHECK_HEADERS([windows.h], have_windows=yes, have_windows=no)
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