From e943a89efd63dcfb80a0ab8d9a4db37f523f508e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <vondruch@redhat.com>
Date: Fri, 8 Feb 2013 22:48:41 +0100
Subject: [PATCH] Prevent duplicated paths when empty version string is
 configured.

---
 configure.in |  3 +++
 version.c    | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/configure.in b/configure.in
index 5850bbf..7604bb8 100644
--- a/configure.in
+++ b/configure.in
@@ -3367,6 +3367,9 @@ unexpand_shvar exec_prefix         prefix
 if test ${RUBY_LIB_VERSION_STYLE+set}; then
     AC_DEFINE_UNQUOTED(RUBY_LIB_VERSION_STYLE, $RUBY_LIB_VERSION_STYLE !<verconf>!)
 else
+    if test "x${ruby_version}" = 'x'; then
+        AC_DEFINE(RUBY_LIB_VERSION_BLANK, 1)
+    fi
     AC_DEFINE_UNQUOTED(RUBY_LIB_VERSION, [$RUBY_LIB_VERSION] !<verconf>!)
 fi
 AC_DEFINE_UNQUOTED(RUBY_EXEC_PREFIX, ${RUBY_EXEC_PREFIX})
diff --git a/version.c b/version.c
index 282960d..54c4513 100644
--- a/version.c
+++ b/version.c
@@ -39,9 +39,15 @@
 #define RUBY_VENDOR_LIB RUBY_LIB_PREFIX"/vendor_ruby"
 #endif
 
+#ifdef RUBY_LIB_VERSION_BLANK
+#define RUBY_LIB                    RUBY_LIB_PREFIX
+#define RUBY_SITE_LIB2              RUBY_SITE_LIB
+#define RUBY_VENDOR_LIB2            RUBY_VENDOR_LIB
+#else
 #define RUBY_LIB                    RUBY_LIB_PREFIX  "/"RUBY_LIB_VERSION
 #define RUBY_SITE_LIB2              RUBY_SITE_LIB    "/"RUBY_LIB_VERSION
 #define RUBY_VENDOR_LIB2            RUBY_VENDOR_LIB  "/"RUBY_LIB_VERSION
+#endif
 #ifndef RUBY_ARCH_LIB_FOR
 #define RUBY_ARCH_LIB_FOR(arch)        RUBY_LIB         "/"arch
 #endif
@@ -77,8 +83,10 @@ const char ruby_initial_load_paths[] =
     RUBY_SITE_ARCH_LIB_FOR(RUBY_THINARCH) "\0"
 #endif
     RUBY_SITE_ARCH_LIB_FOR(RUBY_SITEARCH) "\0"
+#ifndef RUBY_LIB_VERSION_BLANK
     RUBY_SITE_LIB "\0"
 #endif
+#endif
 
 #ifndef NO_RUBY_VENDOR_LIB
     RUBY_VENDOR_LIB2 "\0"
@@ -86,8 +94,10 @@ const char ruby_initial_load_paths[] =
     RUBY_VENDOR_ARCH_LIB_FOR(RUBY_THINARCH) "\0"
 #endif
     RUBY_VENDOR_ARCH_LIB_FOR(RUBY_SITEARCH) "\0"
+#ifndef RUBY_LIB_VERSION_BLANK
     RUBY_VENDOR_LIB "\0"
 #endif
+#endif
 
     RUBY_LIB "\0"
 #ifdef RUBY_THINARCH
-- 
1.8.1.2