Makefile.in ($(DESTDIR)${archlibdir}): Convert spaces to TABs.

[bpt/emacs.git] / configure.in

diff --git a/configure.in b/configure.in
index b8ac8a5..aee62c0 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -757,6 +757,21 @@ CFLAGS="$SAVE_CFLAGS"
 unset has_option
 unset SAVE_CFLAGS
 
+### Use -Wold-style-definition if the compiler supports it
+# This can be removed when conversion to standard C is finished.
+AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
+SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wold-style-definition"
+AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
+if test $has_option = yes; then
+   C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
+fi
+AC_MSG_RESULT($has_option)
+CFLAGS="$SAVE_CFLAGS"
+unset has_option
+unset SAVE_CFLAGS
+
+
 #### Some other nice autoconf tests.
 
 dnl checks for programs
@@ -890,6 +905,8 @@ AC_SUBST(CANNOT_DUMP)
 
 UNEXEC_OBJ=unexelf.o
 case "$opsys" in
+  # MSDOS uses unexec.o
+  # MSWindows uses unexw32.o
   aix4-2)
    UNEXEC_OBJ=unexaix.o
    ;;
@@ -3358,8 +3375,6 @@ case "$opsys" in
 esac
 
 
-PRE_EDIT_LDFLAGS=
-POST_EDIT_LDFLAGS=
 if test "x$ORDINARY_LINK" = "xyes"; then
 
   LINKER="\$(CC)"
@@ -3378,17 +3393,7 @@ elif test "x$GCC" = "xyes" && test "x$LINKER" = "x"; then
   ## searching for libraries in its internal directories, so we have to
   ## ask GCC explicitly where to find libgcc.a (LIB_GCC below).
   LINKER="\$(CC) -nostdlib"
-  ## GCC passes any argument prefixed with -Xlinker directly to the linker.
-  ## See prefix-args.c for an explanation of why we do not do this with the
-  ## shell''s ``for'' construct.  Note that sane people do not have '.' in
-  ## their paths, so we must use ./prefix-args.
-  ## TODO either make prefix-args check ORDINARY_LINK internally,
-  ## or remove it altogether (bug#6184), removing the need for this hack.
-  PRE_EDIT_LDFLAGS='`./prefix-args -Xlinker'
-  POST_EDIT_LDFLAGS='`'
-fi
-AC_SUBST(PRE_EDIT_LDFLAGS)
-AC_SUBST(POST_EDIT_LDFLAGS)
+fi
 
 test "x$LINKER" = "x" && LINKER=ld
 ## FIXME? What setting of EDIT_LDFLAGS should this have?