From 90ea30a3e9902eb7fc918ea26e738cdfe011aefa Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 17 Jan 2009 12:20:00 +0000
Subject: merges r21628 from trunk into ruby_1_9_1. * configure.in (darwin):
 get rid of strange settings issue of   apple gcc port, which searches
 /usr/local/include always but   /usr/local/lib not.

* ext/readline/readline.c (Init_readline): suppress warnings with
  libedit.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@21634 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index de740bab99..f548204d5c 100644
--- a/configure.in
+++ b/configure.in
@@ -1400,6 +1400,14 @@ if test "$with_dln_a_out" != yes; then
 	darwin*)	: ${LDSHARED='cc -dynamic -bundle -undefined suppress -flat_namespace'}
 			: ${LDFLAGS=""}
 			: ${LIBPATHENV=DYLD_LIBRARY_PATH}
+			# /usr/local/include is always searched for
+			# some reason, but /usr/local/lib is not.
+			hdr=`find /usr/local/include -name \*.h -type f | sed 's:^/usr/local/include/::;q'`
+			if test -n "$hdr" && $CC -E -include "$hdr" -xc /dev/null | fgrep -q "$hdr"; then
+			    $CC -print-search-dirs | grep -q '^libraries:.*:/usr/local/lib/*' ||
+			    echo " $LDFLAGS " | grep -q ' -L */usr/local/lib/* ' ||
+			    LDFLAGS="${LDFLAGS:+$LDFLAGS }-L/usr/local/lib"
+			fi
 			rb_cv_dlopen=yes ;;
         aix*)           if test "$GCC" = yes; then
 			    : ${LDSHARED='$(CC) -shared'}
-- 
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