cairo/build/configure.ac.system
Behdad Esfahbod d84752605a Make sure (and check) that all private headers include some cairo header first
The macros CAIRO_BEGIN_DECLS and CAIRO_END_DECLS are declared in two
places: config.h and cairo.h.  On Win32 build there is no config.h.  So,
we can't rely on pulling CAIRO_BEGIN_DECLS from there.  Hence, we now:

  * Not add those declarations to config.h anymore,

  * Test that every cairo private header includes some other cairo
    header before any other includes.

These two are fairly enough to ensure that cairo.h is seen from all
private headers.  There's still the case of headers not including
any header file at all.  I'll fix that later.
2008-09-19 17:19:10 -04:00

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dnl
dnl Non-failing checks for functions, headers, libraries, etc go here
dnl
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)