AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
+dnl When switching to automake, replace the following with AM_ENABLE_MULTILIB.
+# Add --enable-multilib to configure.
+# Default to --enable-multilib
+AC_ARG_ENABLE(multilib,
+[ --enable-multilib build many library versions (default)],
+[case "$enableval" in
+ yes) multilib=yes ;;
+ no) multilib=no ;;
+ *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
+ esac],
+ [multilib=yes])
+
+# Even if the default multilib is not a cross compilation,
+# it may be that some of the other multilibs are.
+if test $cross_compiling = no && test $multilib = yes \
+ && test "x${with_multisubdir}" != x ; then
+ cross_compiling=maybe
+fi
+
GCC_NO_EXECUTABLES
AC_PROG_CC
AC_PROG_CPP_WERROR
-# Warn C++ incompatibilities if supported.
-AC_CACHE_CHECK(
- [whether ${CC} accepts -Wc++-compat],
- [ac_cv_prog_cc_w_cxx_compat],
- [save_CFLAGS="$CFLAGS"
- CFLAGS="-Wc++-compat"
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
- [ac_cv_prog_cc_w_cxx_compat=yes],
- [ac_cv_prog_cc_w_cxx_compat=no])
- CFLAGS="$save_CFLAGS"
- ])
-
-
-if test x$GCC = xyes; then
- ac_libiberty_warn_cflags='-W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes'
-fi
-if test $ac_cv_prog_cc_w_cxx_compat = yes ; then
- ac_libiberty_warn_cflags="${ac_libiberty_warn_cflags} -Wc++-compat"
-fi
-AC_SUBST(ac_libiberty_warn_cflags)
+ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
+ -Wstrict-prototypes], [ac_libiberty_warn_cflags])
+ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags])
AC_PROG_CC_C_O
# autoconf is lame and doesn't give us any substitution variable for this.
# Of the functions in $checkfuncs, VxWorks only has strerror.
AC_DEFINE(HAVE_STRERROR)
+ setobjs=yes
+ ;;
+
+ *-*-msdosdjgpp)
+ for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \
+ getcwd getpagesize getrusage gettimeofday gettimeofday \
+ index insque memchr memcmp memcpy memmove memset psignal \
+ putenv random rename rindex sbrk setenv stpcpy strcasecmp \
+ strchr strdup strerror strncasecmp strrchr strstr strtod \
+ strtol strtoul sysconf times tmpnam vfprintf vprintf \
+ vsprintf waitpid
+ do
+ n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+ AC_DEFINE_UNQUOTED($n)
+ done
+
+
setobjs=yes
;;