From: David Dykstra <dwd@samba.org>
Date: Thu, 29 Oct 1998 22:28:56 +0000 (+0000)
Subject: Fix for systems such as Unixware that have a cc that does not support -o
X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/commitdiff_plain/692da0b555f68e295bb588ab3a02c2354c2daba0

Fix for systems such as Unixware that have a cc that does not support -o
with -c.
---

diff --git a/Makefile.in b/Makefile.in
index d9cabcbb..078f6db6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -31,7 +31,9 @@ OBJS=$(OBJS1) $(OBJS2) $(DAEMON_OBJ) $(LIBOBJ) $(ZLIBOBJ)
 
 # note that the -I. is needed to handle config.h when using VPATH
 .c.o:
-	$(CC) -I. -I$(srcdir) $(CFLAGS) -c $< -o $@
+@OBJ_SAVE@
+	$(CC) -I. -I$(srcdir) $(CFLAGS) -c $< @CC_SHOBJ_FLAG@
+@OBJ_RESTORE@
 
 all: rsync
 
diff --git a/configure.in b/configure.in
index adc04ab6..bb28f5da 100644
--- a/configure.in
+++ b/configure.in
@@ -127,5 +127,30 @@ if test "$ac_cv_lib_socket_connect" = "yes" ||
   AC_DEFINE(HAVE_CONNECT)
 fi])
 
+#
+# The following test was mostly taken from the tcl/tk plus patches
+#
+echo $ac_n "checking whether -c -o works ... $ac_c"
+rm -rf conftest*
+cat > conftest.$ac_ext <<EOF
+int main() { return 0; }
+EOF
+${CC-cc} -c -o conftest..o conftest.$ac_ext
+if test -f conftest..o; then
+    OBJ_SAVE="#"
+    OBJ_RESTORE="#"
+    CC_SHOBJ_FLAG='-o $@'
+    echo yes
+else
+    OBJ_SAVE='	@b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
+    OBJ_RESTORE='	@b=`basename $@ .o`;if test "$$b.o" != "$@"; then mv $$b.o $@; if test -f $$b.o.sav; then mv $$b.o.sav $$b.o; fi; fi'
+    CC_SHOBJ_FLAG=""
+    echo no
+fi
+rm -rf conftest*
+AC_SUBST(OBJ_SAVE)
+AC_SUBST(OBJ_RESTORE)
+AC_SUBST(CC_SHOBJ_FLAG)
+
 
 AC_OUTPUT(Makefile lib/dummy zlib/dummy)