getcwd: fix compile error in configure check

Introduced in commit ca369c8d, 2013-02-03

* m4/getcwd-abort-bug.m4 (gl_FUNC_GETCWD_ABORT_BUG): Include errno.h

diff --git a/ChangeLog b/ChangeLog
index 3a7feac..0c07831 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2013-12-04  Pádraig Brady <P@draigBrady.com>
 
+       getcwd: fix compile error in configure check
+       * m4/getcwd-abort-bug.m4 (gl_FUNC_GETCWD_ABORT_BUG): Include errno.h
+
+2013-12-04  Pádraig Brady <P@draigBrady.com>
+
        regex: suppress core dumps from detection code
        * m4/regex.m4 (gl_REGEX): Catch the SIGABRT and convert to SIGTERM
        to suppress core dumps that may well occur on glibc systems.

diff --git a/m4/getcwd-abort-bug.m4 b/m4/getcwd-abort-bug.m4
index 9b3b563..544b037 100644 (file)
--- a/m4/getcwd-abort-bug.m4
+++ b/m4/getcwd-abort-bug.m4
@@ -27,6 +27,7 @@ AC_DEFUN([gl_FUNC_GETCWD_ABORT_BUG],
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE(
           [[
+#include <errno.h>
 #include <stdlib.h>
 #if HAVE_UNISTD_H
 # include <unistd.h>