1dnl ###################################################################### 2dnl Specify additional cpp options based on the OS and the compiler 3AC_DEFUN([AMU_OS_CPPFLAGS], 4[ 5AC_CACHE_CHECK(additional preprocessor flags, 6ac_cv_os_cppflags, 7[ 8case "${host_os}" in 9# off for now, posix may be a broken thing for nextstep3... 10# nextstep* ) 11# ac_cv_os_cppflags="-D_POSIX_SOURCE" 12# ;; 13 * ) ac_cv_os_cppflags="" ;; 14esac 15]) 16CPPFLAGS="$CPPFLAGS $ac_cv_os_cppflags" 17]) 18dnl ====================================================================== 19