From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 2 Jan 2005 16:48:12 +0000 (+0000)
Subject: (_AC_FEATURE_CHECK_LENGTH): If the variable to set is already set, set
X-Git-Tag: AUTOCONF-2.59c~520
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=348d99e09bb10a33d1fca45a98c6fcdb7ad6bd4e;p=thirdparty%2Fautoconf.git

(_AC_FEATURE_CHECK_LENGTH): If the variable to set is already set, set
ac_cv_path_$1 to the preset value.
---

diff --git a/lib/autoconf/programs.m4 b/lib/autoconf/programs.m4
index 9076b184b..ee14f58db 100644
--- a/lib/autoconf/programs.m4
+++ b/lib/autoconf/programs.m4
@@ -447,6 +447,8 @@ if test -z "$$1"; then
 m4_default([$4], [\$PATH])])
 fi
 AC_SUBST([$1])
+else
+  ac_cv_path_$1=$$1
 fi
 ])