diff --git a/ChangeLog b/ChangeLog
index 6f46ce1d86..7d79d759f5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2012-04-25  Joseph Myers  <joseph@codesourcery.com>
 
+	* Makerules (native-compile): Use $(BUILD_LDFLAGS).
+	(ALL_BUILD_CFLAGS): Use $(BUILD_CPPFLAGS) -D_GNU_SOURCE
+	-DIS_IN_build.
+
 	* timezone/README: Update upstream location and email address for
 	tzcode and tzdata.
 	* timezone/zdump.c: Update from tzcode 2012b.
diff --git a/Makerules b/Makerules
index 72667dbc70..18aeb9e71e 100644
--- a/Makerules
+++ b/Makerules
@@ -1118,11 +1118,12 @@ install: install-no-libc.a-nosubdir
 define native-compile
 $(make-target-directory)
 $(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \
-	    $< $(OUTPUT_OPTION)
+	    $< $(OUTPUT_OPTION) $(BUILD_LDFLAGS)
 endef
 
 # We always want to use configuration definitions.
-ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) -include $(common-objpfx)config.h
+ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -D_GNU_SOURCE \
+		   -DIS_IN_build -include $(common-objpfx)config.h
 
 # Support the GNU standard name for this target.
 .PHONY: check