diff options
Diffstat (limited to 'm4/ul.m4')
-rw-r--r-- | m4/ul.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -154,6 +154,35 @@ AC_DEFUN([UL_REQUIRES_LINUX], [ fi ]) + +dnl UL_EXCLUDE_ARCH(NAME, ARCH, VARSUFFIX = $1]) +dnl +dnl Modifies $build_<name> variable according to $enable_<name> and $host. The +dnl $enable_<name> could be "yes", "no" and "check". If build_<name> is "no" then +dnl all checks are skiped. +dnl +dnl The default <name> for $build_ and $enable_ could be overwrited by option $3. +dnl +AC_DEFUN([UL_EXCLUDE_ARCH], [ + m4_define([suffix], m4_default([$3],$1)) + if test "x$[build_]suffix" != xno; then + AC_REQUIRE([AC_CANONICAL_HOST]) + case $[enable_]suffix:"$host" in #( + no:*) + [build_]suffix=no ;; + yes:$2) + AC_MSG_ERROR([$1 selected for unsupported architecture]);; + yes:*) + [build_]suffix=yes ;; + check:$2) + AC_MSG_WARN([exclude for $host architecture; do not build $1]) + [build_]suffix=no ;; + check:*) + [build_]suffix=yes ;; + esac + fi +]) + dnl UL_REQUIRES_HAVE(NAME, HAVENAME, HAVEDESC [VARSUFFIX=$1]) dnl dnl Modifies $build_<name> variable according to $enable_<name> and |