From: nobu@...
Date: 2007-04-17T04:17:59+09:00
Subject: Re: [ ruby-Bugs-10140 ] Cannot build with extra library path if previous version already installed

Hi,

At Tue, 17 Apr 2007 00:32:51 +0900,
Michal Suchanek wrote in [ruby-core:10933]:
> I tried building with LDFLAGS=-L/sw/lib which is the standard
> way to build a package with libraries outside of system
> library locations.
> 
> There is apparently already a libruby_static in there because
> the build has failed on an undefined symbol which was defined
> in ./libruby_static.a
> 
> I modified the Makefile so that it puts XLDFLAGS before
> LDFLAGS. That way I get -L. -L/sw/lib and the build
> works. However, if XLDFLAGS contained some linker options
> meant to override options in LDFLAGS it would not work this
> way.

Do you consider that -L. always should take precedence to other
linker flags?


Index: configure.in
===================================================================
--- configure.in	(revision 12175)
+++ configure.in	(working copy)
@@ -150,4 +150,9 @@ fi
 AC_PROG_CC
 AC_PROG_GCC_TRADITIONAL
+if test "$GCC" = yes; then
+    linker_flag=-Wl,
+else
+    linker_flag=
+fi
 
 RUBY_PROG_GNU_LD
@@ -1392,12 +1397,8 @@ if test "$enable_shared" = 'yes'; then
 fi
 if test "$enable_rpath" = yes; then
-    if test "$GCC" = yes; then
-       LIBRUBYARG_SHARED='-Wl,-R -Wl,$(libdir) -L$(libdir) -L. '"$LIBRUBYARG_SHARED"
-    else
-       LIBRUBYARG_SHARED='-R $(libdir) -L$(libdir) -L. '"$LIBRUBYARG_SHARED"
-    fi
+    LIBRUBYARG_SHARED="${linker_flag}-R ${linker_flag}\$(libdir) -L. -L\$(libdir) $LIBRUBYARG_SHARED"
 fi
 
-XLDFLAGS="$XLDFLAGS -L."
+LDFLAGS="-L. $LDFLAGS"
 AC_SUBST(ARCHFILE)
 


-- 
Nobu Nakada