Ensure that the build process aborts if there is an error in one of
the plugin subdirectories.

2010-09-01 Martin von Gagern

References:
http://bugs.gentoo.org/334727

Index: ppp-2.4.5/pppd/plugins/Makefile.linux
===================================================================
--- ppp-2.4.5.orig/pppd/plugins/Makefile.linux
+++ ppp-2.4.5/pppd/plugins/Makefile.linux
@@ -20,7 +20,7 @@ include .depend
 endif
 
 all:	$(PLUGINS)
-	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d all; done
+	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d all || exit $?; done
 
 %.so: %.c
 	$(CC) -o $@ $(LDFLAGS) $(CFLAGS) $^
@@ -30,12 +30,12 @@ VERSION = $(shell awk -F '"' '/VERSION/
 install: $(PLUGINS)
 	$(INSTALL) -d $(LIBDIR)
 	$(INSTALL) $? $(LIBDIR)
-	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d install; done
+	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d install || exit $?; done
 
 clean:
 	rm -f *.o *.so *.a
-	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d clean; done
+	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d clean || exit $?; done
 
 depend:
 	$(CPP) -M $(CFLAGS) *.c >.depend
-	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d depend; done
+	for d in $(SUBDIRS); do $(MAKE) $(MFLAGS) -C $$d depend || exit $?; done