From 71cf16e435bf5db64abcf81a9dc6dc36ce37d58d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A1draig=20Brady?= Date: Tue, 14 Jan 2014 16:59:07 +0000 Subject: [PATCH] spawn: fix link error on uclibc * m4/spawn_h.m4 (gl_HAVE_POSIX_SPAWN): use AC_SEARCH_LIBS, to incorporate -lrt if needed (on uclibc for example). * modules/posix_spawn: Reference the substituted LIB. Patch status: suggested by gnulib maintainer (http://article.gmane.org/gmane.comp.lib.gnulib.bugs/33610), not in upstream gnulib yet This issue should be fixed in coreutils version 8.23. Signed-off-by: Baruch Siach --- diff --git a/m4/spawn_h.m4 b/m4/spawn_h.m4 index 87fe122..3eb835c 100644 --- a/m4/spawn_h.m4 +++ b/m4/spawn_h.m4 @@ -64,7 +64,15 @@ AC_DEFUN([gl_HAVE_POSIX_SPAWN], dnl once only, before all statements that occur in other macros. AC_REQUIRE([gl_SPAWN_H_DEFAULTS]) - AC_CHECK_FUNCS_ONCE([posix_spawn]) + LIB_POSIX_SPAWN= + AC_SUBST([LIB_POSIX_SPAWN]) + gl_saved_libs=$LIBS + AC_SEARCH_LIBS([posix_spawn], [rt], + [test "$ac_cv_search_posix_spawn" = "none required" || + LIB_POSIX_SPAWN=$ac_cv_search_posix_spawn]) + AC_CHECK_FUNCS([posix_spawn]) + LIBS=$gl_saved_libs + if test $ac_cv_func_posix_spawn != yes; then HAVE_POSIX_SPAWN=0 fi -- 1.7.7.6