diff --git a/cleanup b/cleanup
new file mode 100644
index 000000000..fd8332cef
--- /dev/null
+++ b/cleanup
@@ -0,0 +1,2 @@
+#!/bin/sh
+rm -f src/Makevars configure.log autobrew
diff --git a/src/Makevars.in b/src/Makevars.in
index 8edc349e0..43edae3ca 100644
--- a/src/Makevars.in
+++ b/src/Makevars.in
@@ -5,6 +5,7 @@ LIBMSOC = cryptography/msoc/msocdll.o
 
 STATLIB = cryptography/libmsoc.a
 
+# PKG_CXXFLAGS= -Wall -pedantic
 all: clean
 
 all: $(SHLIB)
diff --git a/src/cryptography/cybozu/crypto.hpp b/src/cryptography/cybozu/crypto.hpp
index 78c95e081..5705b530b 100644
--- a/src/cryptography/cybozu/crypto.hpp
+++ b/src/cryptography/cybozu/crypto.hpp
@@ -14,8 +14,8 @@
 #endif
 
 #ifdef __APPLE__
-	#pragma GCC diagnostic push
-	#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+	// #pragma GCC diagnostic push
+	// #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 #endif
 #if 0 //#ifdef __APPLE__
 	#define COMMON_DIGEST_FOR_OPENSSL