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dnl libtoolhack.m4--hack to make libtool behave better
dnl Rob Earhart
dnl $Id: libtoolhack.m4,v 1.3 2002/05/25 19:57:42 leg Exp $
dnl Libtool tries to compile an empty file to see whether it can build
dnl shared libraries, and treats *any* warning as a problem.
dnl Solaris's and HP's cc complains about the empty file. So we hack
dnl the CFLAGS to make cc not complain.
AC_DEFUN(CMU_PROG_LIBTOOL, [
AC_REQUIRE([AC_PROG_CC])
if test "$ac_cv_prog_gcc" = no; then
case "$host_os" in
solaris2*)
save_cflags="${CFLAGS}"
CFLAGS="-erroff=E_EMPTY_TRANSLATION_UNIT ${CFLAGS}"
;;
hpux*)
save_cflags="${CFLAGS}"
CFLAGS="-w"
;;
esac
fi
AM_PROG_LIBTOOL
if test "$ac_cv_prog_gcc" = no; then
case "$host_os" in
solaris2*|hpux*)
CFLAGS="${save_cflags}"
esac
fi
])
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