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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$cross_compiling" = "xyes")
CAIRO_BIGENDIAN
AC_ARG_ENABLE(atomic,
[AS_HELP_STRING([--disable-atomic],
[disable use of native atomic operations])],
[use_atomic=$enableval], [use_atomic=yes])
AS_IF([test "x$use_atomic" = "xyes"], [
CAIRO_CHECK_NATIVE_ATOMIC_PRIMITIVES
CAIRO_CHECK_ATOMIC_OP_NEEDS_MEMORY_BARRIER
])
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(size_t)
AC_MSG_CHECKING([for native Win32])
case "$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 $LIBM"
AC_CHECK_LIB(rt, sched_yield)
has_shm_open=
AC_CHECK_LIB(rt, shm_open, [
SHM_LIBS=-lrt
has_shm_open=yes
], [SHM_LIBS=])
AM_CONDITIONAL(HAVE_SHM, test "x$has_shm_open" = "xyes")
AC_SUBST(SHM_LIBS)
AC_CHECK_LIB(socket, connect, [SOCKET_LIBS=-lsocket], [SOCKET_LIBS=])
CAIROBOILERPLATE_LIBS=$SOCKET_LIBS
AC_SUBST(CAIROBOILERPLATE_LIBS)
dnl ====================================================================
dnl Header/function checks
dnl ====================================================================
dnl check if we have a __builtin_return_address for the cairo-trace
dnl utility.
AC_MSG_CHECKING([for __builtin_return_address(0)])
AC_TRY_COMPILE([],[__builtin_return_address(0);],
[have_builtin_return_address=yes],
[have_builtin_return_address=no])
AC_MSG_RESULT($have_builtin_return_address)
if test "x$have_builtin_return_address" = "xyes"; then
AC_DEFINE(HAVE_BUILTIN_RETURN_ADDRESS, 1,
[Define to 1 if your compiler supports the __builtin_return_address() intrinsic.])
fi
dnl Checks for precise integer types
AC_CHECK_HEADERS([stdint.h inttypes.h sys/int_types.h])
AC_CHECK_TYPES([uint64_t, uint128_t, __uint128_t])
dnl Check for socket support for any2ppm daemon
AC_CHECK_HEADERS([fcntl.h unistd.h signal.h sys/stat.h sys/socket.h sys/poll.h sys/un.h])
dnl Check for infinite loops
AC_CHECK_FUNCS([alarm])
dnl check for CPU affinity support
AC_CHECK_HEADERS([sched.h], [AC_CHECK_FUNCS([sched_getaffinity])])
dnl check for mmap support
AC_CHECK_HEADERS([sys/mman.h], [AC_CHECK_FUNCS([mmap])])
dnl check for clock_gettime() support
AC_CHECK_HEADERS([time.h], [AC_CHECK_FUNCS([clock_gettime])])
dnl check for GNU-extensions to fenv
AC_CHECK_HEADER(fenv.h,
[AC_CHECK_FUNCS(feenableexcept fedisableexcept feclearexcept)])
dnl check for misc headers and functions
AC_CHECK_HEADERS([libgen.h byteswap.h signal.h setjmp.h fenv.h sys/wait.h])
AC_CHECK_FUNCS([ctime_r drand48 flockfile funlockfile getline link strndup])
dnl check for win32 headers (this detects mingw as well)
AC_CHECK_HEADERS([windows.h], have_windows=yes, have_windows=no)
dnl Possible headers for mkdir
AC_CHECK_HEADERS([sys/stat.h io.h])
AC_CHECK_FUNC(mkdir,
[AC_MSG_CHECKING([mkdir variant])
mkdir_variant="unknown"
save_CFLAGS="$CFLAGS"
CFLAGS=$WARN_CFLAGS
AC_TRY_COMPILE([
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_IO_H
#include <io.h>
#endif
],
[mkdir ("hello.world", 0777)],
mkdir_variant="mkdir(path, mode)",
[AC_TRY_COMPILE([
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_IO_H
#include <io.h>
#endif
],
[mkdir ("hello.world")],
mkdir_variant="mkdir(path)")])
AC_MSG_RESULT([$mkdir_variant])
CFLAGS="$save_CFLAGS"
if test "x$mkdir_variant" = "xmkdir(path, mode)"; then
AC_DEFINE(HAVE_MKDIR, 2,
[Define to non-zero if your system has mkdir, and to 2 if your version of mkdir requires a mode parameter])
else
AC_DEFINE(HAVE_MKDIR, 1,
[Define to non-zero if your system has mkdir, and to 2 if your version of mkdir requires a mode parameter])
fi])
dnl ===========================================================================
dnl
dnl Test for the tools required for building one big test binary
dnl
AC_CHECK_FUNCS(fork waitpid raise)
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