Failure building .so on HP-UX 11.00 + cc

[Daniel Richard G.]

Working on an HP-UX/PA-RISC 11.00 system, with the native compiler:

        $ uname -a
        HP-UX hrdygrdy B.11.00 A 9000/785 2003934647 two-user license
        $ which cc
        /opt/ansic/bin/cc
        $ cc -V -c hello.c -o hello
        cpp.ansi: HP92453-01 A.11.01.20 HP C Preprocessor (ANSI)
        ccom: HP92453-01 A.11.01.20 HP C Compiler
        /usr/ccs/bin/ld: 92453-07 linker linker ld B.11.13 990903

Tried to build a shared library:

        ...
        /bin/sh ./libtool --tag=CC --mode=link cc -g -o libfoo.la -rpath 
/usr/local/lib foo.lo
        cc -b -Wl,+h -Wl,libfoo.sl.0 -Wl,+b -Wl,/usr/local/lib -o 
.libs/libfoo.sl.0.0 .libs/foo.o -lc
        cc: warning 422: Unknown option "b" ignored.
        /usr/ccs/bin/ld: Unsatisfied symbols:
           main
        *** Error exit code 1

cc(1) does not understand the -b option, and is attempting to link the 
library as an executable. This problem occurs with both 1.5.22 and CVS 
HEAD.

However, if I edit libtool.m4, and make it use the shared-library-link 
command designated for HP-UX 10.x, everything works:

        ...
        /bin/sh ./libtool --tag=CC --mode=link cc -g -o libfoo.la -rpath 
/usr/local/lib foo.lo
        libtool: link: /usr/ccs/bin/ld -b +h libfoo.sl.0 +b /usr/local/lib -o 
.libs/libfoo.sl.0.0 .libs/foo.o -lc
        libtool: link: (cd ".libs" && ...

Here is the problem: Libtool uses "ld -b" on HP-UX 10.x, and "cc -b" on 
HP-UX 11.x. The latter invocation works fine on a separate HP-UX/IA64 11.23 
system I have here. But the 11.00 system can only handle "ld -b". The major 
version of 11, in itself, does not guarantee that a sufficiently new 
version of the compiler is installed.

Something to consider: The "ld -b" syntax also works fine on 11.23. Is 
there any benefit to using "cc -b" at all?

I am attaching a patch (against CVS) that shows the one-line edit I made. 
It is not a full patch; it addresses only my particular case, and is 
intended more as illustration than a real fix.


--Daniel


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libtool-m4.patch
Description: Text document