cf: Check cc support of -Werror=enum-conversion

lib/asn1/Makefile.am

@@ -2,7 +2,7 @@
 
 include $(top_srcdir)/Makefile.am.common
 
-WFLAGS += -Wno-error=enum-conversion
+WFLAGS += $(WFLAGS_ENUM_CONV)
 
 YFLAGS = -d -t
 

lib/gssapi/Makefile.am

@@ -2,7 +2,7 @@
 
 include $(top_srcdir)/Makefile.am.common
 
-WFLAGS += -Wno-error=enum-conversion
+WFLAGS += $(WFLAGS_ENUM_CONV)
 
 AUTOMAKE_OPTIONS = subdir-objects
 

lib/hcrypto/Makefile.am

@@ -16,7 +16,7 @@ AM_CPPFLAGS += -I$(top_srcdir)/lib/hx509 \
 WFLAGS += $(WFLAGS_LITE) -Wno-error=unused-function
 # XXX: Make these not necessary:
 WFLAGS += -Wno-error=unused-result -Wno-error=deprecated-declarations
-WFLAGS += -Wno-unused-but-set-variable
+WFLAGS += $(WFLAGS_UNUSED_BUT_SET_VAR)
 
 lib_LTLIBRARIES = libhcrypto.la
 check_LTLIBRARIES = libhctest.la

lib/hdb/Makefile.am

@@ -2,7 +2,7 @@
 
 include $(top_srcdir)/Makefile.am.common
 
-WFLAGS += -Wno-error=enum-conversion
+WFLAGS += $(WFLAGS_ENUM_CONV)
 
 AM_CPPFLAGS += -I../asn1 -I$(srcdir)/../asn1
 AM_CPPFLAGS += $(INCLUDE_openldap) -DHDB_DB_DIR=\"$(DIR_hdbdir)\"

lib/kafs/Makefile.am

@@ -2,7 +2,7 @@
 
 include $(top_srcdir)/Makefile.am.common
 
-WFLAGS += -Wno-error=enum-conversion
+WFLAGS += $(WFLAGS_ENUM_CONV)
 
 AM_CPPFLAGS += $(AFS_EXTRA_DEFS) $(ROKEN_RENAME)
 

lib/krb5/Makefile.am

@@ -2,7 +2,7 @@
 
 include $(top_srcdir)/Makefile.am.common
 
-WFLAGS += -Wno-error=enum-conversion
+WFLAGS += $(WFLAGS_ENUM_CONV)
 
 AM_CPPFLAGS += -I../com_err -I$(srcdir)/../com_err $(INCLUDE_sqlite3) $(INCLUDE_libintl) $(INCLUDE_openssl_crypto)