From 27526c7201bc4cf1b5ad66ad746e20671cab3ae1 Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Wed, 1 Mar 2017 17:02:49 -0800
Subject: [PATCH] make : added target shortest

shortest only run fast part of playTests.sh .
cc @iburinoc
---
 Makefile           | 6 +++++-
 tests/Makefile     | 3 +++
 tests/playTests.sh | 3 ++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index c73393cd..0f97e6c5 100644
--- a/Makefile
+++ b/Makefile
@@ -63,6 +63,10 @@ zstdmt:
 zlibwrapper:
 	$(MAKE) -C $(ZWRAPDIR) test
 
+.PHONY: shortest
+shortest:
+	$(MAKE) -C $(TESTDIR) $@
+
 .PHONY: test
 test:
 	$(MAKE) -C $(TESTDIR) $@
@@ -173,7 +177,7 @@ ppcinstall:
 arminstall:
 	APT_PACKAGES="qemu-system-arm qemu-user-static gcc-powerpc-linux-gnu gcc-arm-linux-gnueabi libc6-dev-armel-cross gcc-aarch64-linux-gnu libc6-dev-arm64-cross" $(MAKE) apt-install
 
-valgrindinstall: 
+valgrindinstall:
 	APT_PACKAGES="valgrind" $(MAKE) apt-install
 
 libc6install:
diff --git a/tests/Makefile b/tests/Makefile
index 30b2a04a..88c58fce 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -253,6 +253,9 @@ zstd-playTests: datagen
 	file $(ZSTD)
 	ZSTD="$(QEMU_SYS) $(ZSTD)" ./playTests.sh $(ZSTDRTTEST)
 
+shortest: ZSTDRTTEST=
+shortest: test-zstd
+
 test: test-zstd test-fullbench test-fuzzer test-zstream test-invalidDictionaries test-legacy test-decodecorpus
 ifeq ($(QEMU_SYS),)
 test: test-pool
diff --git a/tests/playTests.sh b/tests/playTests.sh
index 5933b14e..653aaf3c 100755
--- a/tests/playTests.sh
+++ b/tests/playTests.sh
@@ -316,8 +316,9 @@ $ECHO "\n**** gzip compatibility tests **** "
 GZIPMODE=1
 $ZSTD --format=gzip -V || GZIPMODE=0
 if [ $GZIPMODE -eq 1 ]; then
+    $ECHO "gzip support detected"
     GZIPEXE=1
-    which gzip || GZIPEXE=0
+    gzip -V || GZIPEXE=0
     if [ $GZIPEXE -eq 1 ]; then
         ./datagen > tmp
         $ZSTD --format=gzip -f tmp