Re: AC_LIBTOOL_SYS_DYNAMIC_LINKER "gcc -print-search-dirs" problem

[Bob Friesenhahn]

On Wed, 13 Sep 2006, Kate Minola wrote:

> On my x86_64-unknown-linux-gnu system, the m4 macro
> AC_LIBTOOL_SYS_DYNAMIC_LINKER in libtool.m4
> uses "gcc -print-search-dirs" to set  sys_lib_search_path_spec.
>
> Unfortunately, -print-search-dirs lists -m32 library directories,
> but gcc is in (default) -m64 mode on my system.  Consequently libtool
> tries to link with the wrong library (32 bit when it should be using 64 bit).
> The particular error message I get is

I think that this is really a GCC bug.  I have the same problem under 
Solaris.  Libtool should work around the GCC bug by detecting 64-bit 
compilation and expanding the search path to look in the 64-bit 
library directories first.

Bob
======================================
Bob Friesenhahn
address@hidden, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/