From c09cdd9f5ed423fb69b2649fb6873491af6e0c6a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 5 Oct 2015 06:29:58 +0000
Subject: [PATCH] ruby-runner.c.in: ignore empty env

* template/ruby-runner.c.in (main): ignore empty or separator-only
  value.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52035 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 template/ruby-runner.c.in | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/template/ruby-runner.c.in b/template/ruby-runner.c.in
index c72a56bbbf..2b285bf540 100644
--- a/template/ruby-runner.c.in
+++ b/template/ruby-runner.c.in
@@ -14,6 +14,9 @@ main(int argc, char **argv)
     static const char builddir[] = BUILDDIR;
     const char *libpath = getenv(LIBPATHENV);
     if (libpath) {
+	while (*libpath == PATH_SEP) ++libpath;
+    }
+    if (libpath && *libpath) {
 	size_t n = strlen(libpath);
 	char *e = malloc(sizeof(builddir)+n+1);
 	memcpy(e, builddir, sizeof(builddir)-1);