src/Makefile.am: remove .bak files before autogenerating

This avoids errors due to files pre-existing but not being
writable.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

diff --git a/src/Makefile.am b/src/Makefile.am
index 35a3855c00912840a524f3c2b04b812ec2a764d8..eb3c578648cccadc66649506d8ed4111203488e7 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -282,9 +282,11 @@ SUFFIXES = .stamp .def .c.bak .h.bak
        touch $@
 
 .c.c.bak:
+       -@rm -f $@
        $(AM_V_GEN) cp -p $< $@
 
 .h.h.bak:
+       -@rm -f $@
        $(AM_V_GEN) cp -p $< $@
 
 danetool-args.h: danetool-args.stamp