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libtool doesn't hardcode libg2c when linking with g77

From: John David Anglin
Subject: libtool doesn't hardcode libg2c when linking with g77
Date: Thu, 15 Aug 2002 19:39:35 -0400 (EDT)

I observed this while testing a patch for 64-bit hpux:

=== Running f77demo-make.test
Making in ../f77demo
make[3]: Entering directory `/xxx/gnu/libtool-1.4e/objdir64/f77demo'
g77  -O2 -c /xxx/gnu/libtool-1.4e/tests/../f77demo/fprogram.f
/bin/sh ./libtool --mode=link g77  -O2  -o fprogram  fprogram.o 
g77 -O2 -o fprogram fprogram.o  ./.libs/libfoo.a
=== Running f77demo-exec.test
Executing uninstalled programs in ../f77demo
/usr/lib/pa20_64/ Unable to find library ''.

# chatr fprogram
         64-bit ELF executable
         shared library dynamic path search:
             LD_LIBRARY_PATH    enabled  first 
             SHLIB_PATH         enabled  second
             embedded path      enabled  third  Not Defined
         shared library list:
             libc.2 is not installed in a directory that the dynamic loader
automatically searches.  If LD_LIBRARY_PATH is appropriately defined,
then the program executes correctly.  However, I think libtool should
have hardcoded the patch for  If I manually add
"-Wl,-rpath,/opt/gnu64/lib" to the link command, then the path
gets added to the embedded path list and the program will execute
without having to set LD_LIBRARY_PATH.

The same problem is apparent under hppa-linux.

I see that there is a autoconf macro, AC_F77_LIBRARY_LDFLAGS, but
libtool doesn't seem to make use of it.

J. David Anglin                                  address@hidden
National Research Council of Canada              (613) 990-0752 (FAX: 952-6605)

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