build: with --enable-gcc-warnings, use -Werror

* Makefile.am (AM_CFLAGS): Enable $(WERROR_CFLAGS).
* lib/Makefile.am (AM_CFLAGS): Enable both $(WARN_CFLAGS) and
$(WERROR_CFLAGS).

diff --git a/Makefile.am b/Makefile.am
index cfde8e0ddbe77ef6c8307d0330e6a50ab285f157..406e344c43f179a9b7a5bfd82e4f0c49e76035c7 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,7 +19,7 @@
 SUBDIRS = lib doc
 ACLOCAL_AMFLAGS = -I m4
 AM_CPPFLAGS = -I$(top_srcdir)/lib
-AM_CFLAGS = $(WARN_CFLAGS) # $(WERROR_CFLAGS)
+AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
 
 man_MANS = gunzip.1 gzexe.1 gzip.1 \
   zcat.1 zcmp.1 zdiff.1 zforce.1 zgrep.1 zless.1 zmore.1 znew.1

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 22e4c80aff5b5457eeee014b96e3fb20f37e0807..f149ac6337796ce2a396ab8998471e87af24497b 100644 (file)
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -21,6 +21,7 @@ include gnulib.mk
 
 libgzip_a_LIBADD += $(LIBOBJS)
 libgzip_a_DEPENDENCIES += $(LIBOBJS)
+AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS)
 
 match.$(OBJEXT): match.c
        cp $(srcdir)/match.c _match.S