>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. --- ChangeLog | 8 +++++++- m4/spawn_h.m4 | 10 +++++++++- modules/posix_spawn | 3 +++ 3 files changed, 19 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 448f882..9836c82 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2014-01-14 Pádraig Brady + + 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. + 2014-01-03 Jim Meyering maint.mk: adapt openat.h-include-without-use test @@ -59,7 +66,6 @@ directory now passes for me. 2014-01-03 Paul Eggert - doc: use ASCII in .texi files where UTF-8 isn't needed * doc/posix-functions/crypt.texi, doc/posix-functions/encrypt.texi: * doc/posix-functions/setkey.texi, doc/regex.texi: 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 $ac_cv_func_posix_spawn != yes; then HAVE_POSIX_SPAWN=0 fi diff --git a/modules/posix_spawn b/modules/posix_spawn index ec8eac1..62b0956 100644 --- a/modules/posix_spawn +++ b/modules/posix_spawn @@ -23,6 +23,9 @@ Makefile.am: Include: +Link: +$(LIB_POSIX_SPAWN) + License: LGPLv2+ -- 1.7.7.6