From f21977c5e6af6897435dce5645e538c2e36a14ea Mon Sep 17 00:00:00 2001
From: Yann Collet <yann.collet.73@gmail.com>
Date: Sun, 29 Aug 2021 17:20:12 -0700
Subject: [PATCH] fix playTests.sh when EXE_PREFIX not null

---
 programs/Makefile  | 6 +++---
 tests/playTests.sh | 3 ++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/programs/Makefile b/programs/Makefile
index 599fb02f..ad05dbe1 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -156,7 +156,7 @@ endif
 
 # zlib detection
 NO_ZLIB_MSG := ==> no zlib, building zstd without .gz support
-HAVE_ZLIB := $(shell printf '$(NUM_SYMBOL)include <zlib.h>\nint main(void) { return 0; }' > have_zlib.c && $(CC) $(FLAGS) -o have_zlib$(EXT) have_zlib.c -lz 2> $(VOID) && rm have_zlib$(EXT) && echo 1 || echo 0; rm have_zlib.c)
+HAVE_ZLIB ?= $(shell printf '$(NUM_SYMBOL)include <zlib.h>\nint main(void) { return 0; }' > have_zlib.c && $(CC) $(FLAGS) -o have_zlib$(EXT) have_zlib.c -lz 2> $(VOID) && rm have_zlib$(EXT) && echo 1 || echo 0; rm have_zlib.c)
 ifeq ($(HAVE_ZLIB), 1)
   ZLIB_MSG := ==> building zstd with .gz compression support
   ZLIBCPP = -DZSTD_GZCOMPRESS -DZSTD_GZDECOMPRESS
@@ -167,7 +167,7 @@ endif
 
 # lzma detection
 NO_LZMA_MSG := ==> no liblzma, building zstd without .xz/.lzma support
-HAVE_LZMA := $(shell printf '$(NUM_SYMBOL)include <lzma.h>\nint main(void) { return 0; }' > have_lzma.c && $(CC) $(FLAGS) -o have_lzma$(EXT) have_lzma.c -llzma 2> $(VOID) && rm have_lzma$(EXT) && echo 1 || echo 0; rm have_lzma.c)
+HAVE_LZMA ?= $(shell printf '$(NUM_SYMBOL)include <lzma.h>\nint main(void) { return 0; }' > have_lzma.c && $(CC) $(FLAGS) -o have_lzma$(EXT) have_lzma.c -llzma 2> $(VOID) && rm have_lzma$(EXT) && echo 1 || echo 0; rm have_lzma.c)
 ifeq ($(HAVE_LZMA), 1)
   LZMA_MSG := ==> building zstd with .xz/.lzma compression support
   LZMACPP = -DZSTD_LZMACOMPRESS -DZSTD_LZMADECOMPRESS
@@ -178,7 +178,7 @@ endif
 
 # lz4 detection
 NO_LZ4_MSG := ==> no liblz4, building zstd without .lz4 support
-HAVE_LZ4 := $(shell printf '$(NUM_SYMBOL)include <lz4frame.h>\n$(NUM_SYMBOL)include <lz4.h>\nint main(void) { return 0; }' > have_lz4.c && $(CC) $(FLAGS) -o have_lz4$(EXT) have_lz4.c -llz4 2> $(VOID) && rm have_lz4$(EXT) && echo 1 || echo 0; rm have_lz4.c)
+HAVE_LZ4 ?= $(shell printf '$(NUM_SYMBOL)include <lz4frame.h>\n$(NUM_SYMBOL)include <lz4.h>\nint main(void) { return 0; }' > have_lz4.c && $(CC) $(FLAGS) -o have_lz4$(EXT) have_lz4.c -llz4 2> $(VOID) && rm have_lz4$(EXT) && echo 1 || echo 0; rm have_lz4.c)
 ifeq ($(HAVE_LZ4), 1)
   LZ4_MSG := ==> building zstd with .lz4 compression support
   LZ4CPP = -DZSTD_LZ4COMPRESS -DZSTD_LZ4DECOMPRESS
diff --git a/tests/playTests.sh b/tests/playTests.sh
index d83001fe..774655aa 100755
--- a/tests/playTests.sh
+++ b/tests/playTests.sh
@@ -166,7 +166,8 @@ if [ -z "${DATAGEN_BIN}" ]; then
   DATAGEN_BIN="$TESTDIR/datagen"
 fi
 
-ZSTD_BIN="$EXE_PREFIX$ZSTD_BIN"
+# Why was this line here ? Generates a strange ZSTD_BIN when EXE_PREFIX is non empty
+# ZSTD_BIN="$EXE_PREFIX$ZSTD_BIN"
 
 # assertions
 [ -n "$ZSTD_BIN" ] || die "zstd not found at $ZSTD_BIN! \n Please define ZSTD_BIN pointing to the zstd binary. You might also consider rebuilding zstd follwing the instructions in README.md"