Re: first draft of "relocatable" module

[Bruno Haible]

Ralf Wildenhues wrote:
> I tried some compilers now.  All those I tried coped well with multiple
> source files listed.  But just as well, none except GCC are intelligent
> enough by themselves to not stomp upon each others' object files, and
> most do not clean up.
> 
> compiler             creates objects in pwd   leaves behind objects
> AIX 4.3.3 xlc        yes                      no
> AIX 5.3 xlc          yes                      no
> HP-UX 10.20 cc       yes                      yes
> HP-UX 11.23/IA cc    yes                      yes
> IRIX 6.5 cc          yes                      yes
> Solaris 2.6 cc       yes                      yes
> Solaris 10 cc        yes                      yes
> Tru64 4.0D cc        yes                      yes
> Tru64 5.1 cc         yes                      yes
> GCC                  no                       no

Thanks for the investigations. To cope with the right column, I'm applying
this. To cope with the middle column, it should be sufficient if the user
does not attempt to use parallel make, right?

Bruno


2007-03-01  Bruno Haible  <address@hidden>

        * build-aux/install-reloc: Remove object files left over by some
        compilers.
        Reported by Ralf Wildenhues.

*** build-aux/install-reloc     2 Mar 2007 01:40:17 -0000       1.3
--- build-aux/install-reloc     2 Mar 2007 01:45:09 -0000
***************
*** 140,147 ****
               "$srcdir"/setenv.c \
               "$srcdir"/strerror.c \
               "$srcdir"/c-ctype.c \
!              -o "$destprog.wrapper$exeext" \
!   || exit $?
  
  # Rename $destprog.wrapper -> $destprog -> $destprog.bin.
  ln -f "$destprog$exeext" "$destprog.bin$exeext" \
--- 140,160 ----
               "$srcdir"/setenv.c \
               "$srcdir"/strerror.c \
               "$srcdir"/c-ctype.c \
!              -o "$destprog.wrapper$exeext"
! rc=$?
! # Clean up object files left over in the current directory by the native C
! # compilers on Solaris, HP-UX, OSF/1, IRIX.
! rm -f relocwrapper.o \
!       progname.o \
!       progreloc.o \
!       xreadlink.o \
!       canonicalize-lgpl.o \
!       allocsa.o \
!       relocatable.o \
!       setenv.o \
!       strerror.o \
!       c-ctype.o
! test $rc = 0 || exit $?
  
  # Rename $destprog.wrapper -> $destprog -> $destprog.bin.
  ln -f "$destprog$exeext" "$destprog.bin$exeext" \