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dnl
dnl Non-failing checks for functions, headers, libraries, etc go here
dnl
CAIRO_BEGINEND_DECLS
dnl ====================================================================
dnl Feature checks
dnl ====================================================================
AM_CONDITIONAL(CROSS_COMPILING, test "x$cross_compiling" = "xyes")
CAIRO_BIGENDIAN
CAIRO_CHECK_NATIVE_ATOMIC_PRIMITIVES
CAIRO_CHECK_ATOMIC_OP_NEEDS_MEMORY_BARRIER
AC_MSG_CHECKING([for native Win32])
case "$host" in
*-*-mingw*)
cairo_os_win32=yes
;;
*)
cairo_os_win32=no
;;
esac
AC_MSG_RESULT([$cairo_os_win32])
AM_CONDITIONAL(OS_WIN32, test "$cairo_os_win32" = "yes")
AC_MSG_CHECKING([for Sun Solaris (non-POSIX ctime_r)])
case "$host" in
*-*-solaris*)
CFLAGS="$CFLAGS -D_POSIX_PTHREAD_SEMANTICS"
solaris_posix_pthread=yes
;;
*)
solaris_posix_pthread=no
;;
esac
AC_MSG_RESULT([$solaris_posix_pthread])
dnl ====================================================================
dnl Library checks
dnl ====================================================================
AC_CHECK_LIBM
LIBS="$LIBS $LIBM"
AC_CHECK_LIB(rt, sched_yield, [RT_LIBS=-lrt], [RT_LIBS=])
CAIROPERF_LIBS=$RT_LIBS
AC_SUBST(CAIROPERF_LIBS)
dnl ====================================================================
dnl Header/function checks
dnl ====================================================================
dnl Checks for precise integer types
AC_CHECK_HEADERS([stdint.h inttypes.h sys/int_types.h])
AC_CHECK_TYPES([uint64_t, uint128_t])
dnl Check for socket support for any2ppm daemon
AC_CHECK_HEADERS([fcntl.h unistd.h signal.h sys/stat.h sys/socket.h sys/poll.h sys/un.h])
dnl check for CPU affinity support
AC_CHECK_HEADERS([sched.h],
[AC_CHECK_FUNCS([sched_getaffinity])])
dnl check for GNU-extensions to fenv
AC_CHECK_HEADER(fenv.h,
[AC_CHECK_FUNCS(feenableexcept fedisableexcept)])
dnl check for misc headers and functions
AC_CHECK_HEADERS([libgen.h byteswap.h signal.h setjmp.h])
AC_CHECK_FUNCS([vasnprintf link ctime_r drand48 flockfile])
dnl check for win32 headers (this detects mingw as well)
AC_CHECK_HEADERS([windows.h], have_windows=yes, have_windows=no)
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