libcap: disable programs

Disable libcap programs since they use fork and fail on !MMU systems.
They're not usually used, if someone wants them they can add an option.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libcap/libcap.mk

@@ -25,9 +25,15 @@ endef
 define LIBCAP_INSTALL_TARGET_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) LIBATTR=no DESTDIR=$(TARGET_DIR) \
 		prefix=/usr lib=lib install
-	rm -f $(addprefix $(TARGET_DIR)/usr/sbin/,capsh getpcaps)
 endef
 
+# progs use fork()
+define LIBCAP_DISABLE_PROGS
+	$(SED) '/-C progs/d' $(@D)/Makefile
+endef
+
+LIBCAP_POST_PATCH_HOOKS += LIBCAP_DISABLE_PROGS
+
 define HOST_LIBCAP_BUILD_CMDS
 	$(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) -C $(@D) LIBATTR=no
 endef