Paolo Bonzini wrote: > >> With AC_SEARCH_LIBS, which of [action-if-found] or [action-if-not-found] >> is executed if the function is found in the standard c library i.e. >> "calling >> `AC_LINK_IFELSE([AC_LANG_CALL([], [function])])' first with no >> libraries"? >> Is the answer neither? If the answer is [action-if-found], won't the >> NEEDS_LIBGEN=YesPlease be set when the function is found in the c >> library? > > It evaluates the action-if-found and adds nothing to LIBS. Instead, if > it is found in a library, it evaluates the action-if-found after adding > (actually prepending) -lBLAH to LIBS. That's what I suspected. It means we can't have NEEDS_SOMETHING=true in the action-if-found parameter when using AC_SEARCH_LIBS since that may cause the Makefile to append a library requirement when none is necessary. -brandon -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html