Updated FSE

Added clang and g++ tests

Makefile

@@ -32,7 +32,7 @@
 # ################################################################
 
 # Version number
-export VERSION=0.0.1
+export VERSION=0.0.2
 export RELEASE=r$(VERSION)
 
 DESTDIR?=
@@ -51,6 +51,8 @@ TRAVIS_TARGET=$(ZSTD_TRAVIS_CI_ENV)
 endif
 
 
+.PHONY: clean
+
 default: zstdprograms
 
 all: 
@@ -90,4 +92,11 @@ test-travis: $(TRAVIS_TARGET)
 prg-travis:
 	@cd $(PRGDIR); $(MAKE) -e $(ZSTD_TRAVIS_CI_ENV)
 
+clangtest: clean
+	$(MAKE) all CC=clang MOREFLAGS="-Werror -Wconversion -Wno-sign-conversion"
+
+gpptest: clean
+	$(MAKE) all CC=g++ CFLAGS="-O3 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror"
+
+
 endif