diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index f5cb7685f..30f03c3af 100644 --- a/configure.ac +++ b/configure.ac @@ -994,6 +994,17 @@ AC_DEFINE_UNQUOTED([LIBX11_SO], "${x_lib_location:-libX11.$acl_cv_shlibext}", [T x_lib_location="`ls -1 "${x_libraries:-/usr/local/lib}/libXv.$acl_cv_shlibext"* "${x_libraries:-/usr/lib}/libXv.$acl_cv_shlibext"* 2>/dev/null | sed -e \"${soname_script}\"`" AC_DEFINE_UNQUOTED([LIBXV_SO], "${x_lib_location:-libXv.$acl_cv_shlibext}", [The soname of libXv, needed for dlopen()]) +dnl Does X11 need XLockDisplay () to prevent deadlocks? +AC_MSG_CHECKING([for thread safe X11]) +x_is_thread_safe=no +if test -n "$PKG_CONFIG" ; then + if "$PKG_CONFIG" --atleast-version 1.9 xcb && "$PKG_CONFIG" --atleast-version 1.4.99.901 x11 ; then + x_is_thread_safe=yes + AC_DEFINE([HAVE_THREAD_SAFE_X11], [1], [Define this if x11 does without XLockDisplay ().]) + fi +fi +AC_MSG_RESULT([$x_is_thread_safe]) + dnl _FILE_OFFSET_BITS (AC_SYS_LARGEFILE; ac_cv_sys_file_offset_bits) dnl _LARGE_FILES (AC_SYS_LARGEFILE; ac_cv_sys_large_files) dnl _LARGEFILE_SOURCE (AC_FUNC_SEEKO; ac_cv_sys_largfile_source) |