Merge pull request #386 from lz4/parallelMake

`make test` compatible with parallel execution (`-j#`)

6 files changed, 139 insertions, 285 deletions

diff --git a/.travis.yml b/.travis.yml
index dc61505..2724e92 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,7 +11,7 @@ matrix:
     # Container-based 12.04 LTS Server Edition 64 bit (doesn't support 32-bit includes)
     - os: linux
       sudo: false
-      env: Ubu=12.04cont Cmd='make -C tests test-lz4 test-lz4c test-fasttest test-fullbench' COMPILER=cc
+      env: Ubu=12.04cont Cmd='make -C tests test-lz4 test-lz4c test-fullbench' COMPILER=cc
 
     - os: linux
       sudo: false
diff --git a/README.md b/README.md
index ec99630..d7e8fb6 100644
--- a/README.md
+++ b/README.md
@@ -82,6 +82,7 @@ make install     # this command may require root access
 
 LZ4's `Makefile` supports standard [Makefile conventions],
 including [staged installs], [redirection], or [command redefinition].
+It is compatible with parallel builds (`'-j#'`).
 
 [Makefile conventions]: https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html
 [staged installs]: https://www.gnu.org/prep/standards/html_node/DESTDIR.html
diff --git a/circle.yml b/circle.yml
index b3faae0..9a0d1ec 100644
--- a/circle.yml
+++ b/circle.yml
@@ -19,7 +19,6 @@ test:
     - make cmake               && make clean
     - make -C tests test-lz4
     - make -C tests test-lz4c
-    - make -C tests test-fasttest
     - make -C tests test-frametest
     - make -C tests test-fullbench
     - make -C tests test-fuzzer && make clean
diff --git a/programs/Makefile b/programs/Makefile
index 71b18b9..29408f1 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -1,6 +1,6 @@
 # ##########################################################################
 # LZ4 programs - Makefile
-# Copyright (C) Yann Collet 2011-2016
+# Copyright (C) Yann Collet 2011-2017
 #
 # This Makefile is validated for Linux, macOS, *BSD, Hurd, Solaris, MSYS2 targets
 #
@@ -42,7 +42,8 @@ LIBVER_PATCH := $(shell echo $(LIBVER_PATCH_SCRIPT))
 LIBVER   := $(shell echo $(LIBVER_SCRIPT))
 
 SRCFILES := $(wildcard $(LZ4DIR)/*.c) $(wildcard *.c)
-OBJFILES := $(patsubst %.c,%.o,$(SRCFILES))
+#OBJFILES := $(patsubst %.c,%.o,$(SRCFILES))
+OBJFILES := $(SRCFILES:.c=.o)
 
 CPPFLAGS += -I$(LZ4DIR) -DXXH_NAMESPACE=LZ4_
 CFLAGS   ?= -O3
@@ -81,13 +82,13 @@ lz4: $(OBJFILES)
 lz4-release: DEBUGFLAGS=
 lz4-release: lz4
 
+lz4c: lz4
+	ln -s lz4 lz4c
+
 lz4c32: CFLAGS += -m32
 lz4c32 : $(SRCFILES)
 	$(CC) $(FLAGS) $^ -o $@$(EXT)
 
-lz4c: lz4
-	ln -s lz4 lz4c
-
 lz4.1: lz4.1.md
 	cat $^ | $(MD2ROFF) $(MD2ROFF_FLAGS) | sed -n '/^\.\\\".*/!p' > $@
 
diff --git a/tests/Makefile b/tests/Makefile
index f00778f..e870fcf 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,6 +1,6 @@
 # ##########################################################################
 # LZ4 programs - Makefile
-# Copyright (C) Yann Collet 2011-2016
+# Copyright (C) Yann Collet 2011-2017
 #
 # This Makefile is validated for Linux, macOS, *BSD, Hurd, Solaris, MSYS2 targets
 #
@@ -30,19 +30,14 @@
 # datagen : generates synthetic data samples for tests & benchmarks
 # ##########################################################################
 
-DESTDIR ?=
-PREFIX  ?= /usr/local
-BINDIR  := $(PREFIX)/bin
-MANDIR  := $(PREFIX)/share/man/man1
 LZ4DIR  := ../lib
 PRGDIR  := ../programs
-VOID    := /dev/null
 TESTDIR := versionsTest
 PYTHON  ?= python3
 
 CFLAGS  ?= -O3 # can select custom optimization flags. For example : CFLAGS=-O2 make
-CFLAGS  += -g -Wall -Wextra -Wundef -Wcast-qual -Wcast-align -Wshadow -Wswitch-enum \
-           -Wdeclaration-after-statement -Wstrict-prototypes \
+CFLAGS  += -g -Wall -Wextra -Wundef -Wcast-qual -Wcast-align -Wshadow \
+           -Wswitch-enum -Wdeclaration-after-statement -Wstrict-prototypes \
            -Wpointer-arith -Wstrict-aliasing=1
 CFLAGS  += $(MOREFLAGS)
 CPPFLAGS:= -I$(LZ4DIR) -I$(PRGDIR) -DXXH_NAMESPACE=LZ4_
@@ -51,9 +46,11 @@ FLAGS    = $(CFLAGS) $(CPPFLAGS) $(LDFLAGS)
 
 # Define *.exe as extension for Windows systems
 ifneq (,$(filter Windows%,$(OS)))
-EXT =.exe
+EXT  =.exe
+VOID = nul
 else
-EXT =
+EXT  =
+VOID = /dev/null
 endif
 LZ4     := $(PRGDIR)/lz4$(EXT)
 
@@ -66,20 +63,19 @@ NB_LOOPS     ?= -i1
 
 default: all
 
-all: fullbench fuzzer frametest datagen fasttest
+all: fullbench fuzzer frametest datagen
 
 all32: CFLAGS+=-m32
 all32: all
 
 lz4:
-	$(MAKE) -C $(PRGDIR) clean $@ CFLAGS="$(CFLAGS)"
+	$(MAKE) -C $(PRGDIR) $@ CFLAGS="$(CFLAGS)"
 
-lz4c:
-	$(MAKE) -C $(PRGDIR) clean $@ CFLAGS="$(CFLAGS)"
+lz4c unlz4 lz4cat: lz4
+	ln -sf $(LZ4) $(PRGDIR)/$@
 
 lz4c32:   # create a 32-bits version for 32/64 interop tests
-	$(MAKE) -C $(PRGDIR) clean $@ CFLAGS="-m32 $(CFLAGS)"
-	cp $(LZ4) $(LZ4)c32
+	$(MAKE) -C $(PRGDIR) $@ CFLAGS="-m32 $(CFLAGS)"
 
 fullbench  : $(LZ4DIR)/lz4.o $(LZ4DIR)/lz4hc.o $(LZ4DIR)/lz4frame.o $(LZ4DIR)/xxhash.o fullbench.c
 	$(CC) $(FLAGS) $^ -o $@$(EXT)
@@ -98,9 +94,6 @@ fuzzer  : $(LZ4DIR)/lz4.o $(LZ4DIR)/lz4hc.o $(LZ4DIR)/xxhash.o fuzzer.c
 frametest: $(LZ4DIR)/lz4frame.o $(LZ4DIR)/lz4.o $(LZ4DIR)/lz4hc.o $(LZ4DIR)/xxhash.o frametest.c
 	$(CC) $(FLAGS) $^ -o $@$(EXT)
 
-fasttest: $(LZ4DIR)/lz4.o fasttest.c
-	$(CC) $(FLAGS) $^ -o $@$(EXT)
-
 datagen : $(PRGDIR)/datagen.c datagencli.c
 	$(CC) $(FLAGS) -I$(PRGDIR) $^ -o $@$(EXT)
 
@@ -122,7 +115,7 @@ versionsTest:
 
 
 #-----------------------------------------------------------------------------
-# make install is validated only for Linux, OSX, BSD, Hurd and Solaris targets
+# validated only for Linux, OSX, BSD, Hurd and Solaris targets
 #-----------------------------------------------------------------------------
 ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS))
 
@@ -137,159 +130,152 @@ DIFF:=gdiff
 endif
 
 
-test: test-lz4 test-lz4c test-fasttest test-frametest test-fullbench test-fuzzer
+test: test-lz4 test-lz4c test-frametest test-fullbench test-fuzzer
 
 test32: CFLAGS+=-m32
 test32: test
 
 test-lz4-sparse: lz4 datagen
 	@echo "\n ---- test sparse file support ----"
-	./datagen -g5M  -P100 > tmpSrc
-	$(LZ4) -B4D tmpSrc | $(LZ4) -dv --sparse > tmpB4
-	$(DIFF) -s tmpSrc tmpB4
-	$(LZ4) -B5D tmpSrc | $(LZ4) -dv --sparse > tmpB5
-	$(DIFF) -s tmpSrc tmpB5
-	$(LZ4) -B6D tmpSrc | $(LZ4) -dv --sparse > tmpB6
-	$(DIFF) -s tmpSrc tmpB6
-	$(LZ4) -B7D tmpSrc | $(LZ4) -dv --sparse > tmpB7
-	$(DIFF) -s tmpSrc tmpB7
-	$(LZ4) tmpSrc | $(LZ4) -dv --no-sparse > tmpNoSparse
-	$(DIFF) -s tmpSrc tmpNoSparse
-	ls -ls tmp*
-	./datagen -s1 -g1200007 -P100 | $(LZ4) | $(LZ4) -dv --sparse > tmpOdd   # Odd size file (to generate non-full last block)
-	./datagen -s1 -g1200007 -P100 | $(DIFF) -s - tmpOdd
-	ls -ls tmpOdd
-	@$(RM) tmp*
+	./datagen -g5M  -P100 > tmplsdg5M
+	$(LZ4) -B4D tmplsdg5M | $(LZ4) -dv --sparse > tmplscB4
+	$(DIFF) -s tmplsdg5M tmplscB4
+	$(LZ4) -B5D tmplsdg5M | $(LZ4) -dv --sparse > tmplscB5
+	$(DIFF) -s tmplsdg5M tmplscB5
+	$(LZ4) -B6D tmplsdg5M | $(LZ4) -dv --sparse > tmplscB6
+	$(DIFF) -s tmplsdg5M tmplscB6
+	$(LZ4) -B7D tmplsdg5M | $(LZ4) -dv --sparse > tmplscB7
+	$(DIFF) -s tmplsdg5M tmplscB7
+	$(LZ4) tmplsdg5M | $(LZ4) -dv --no-sparse > tmplsnosparse
+	$(DIFF) -s tmplsdg5M tmplsnosparse
+	ls -ls tmpls*
+	./datagen -s1 -g1200007 -P100 | $(LZ4) | $(LZ4) -dv --sparse > tmplsodd   # Odd size file (to generate non-full last block)
+	./datagen -s1 -g1200007 -P100 | $(DIFF) -s - tmplsodd
+	ls -ls tmplsodd
+	@$(RM) tmpls*
 	@echo "\n Compatibility with Console :"
 	echo "Hello World 1 !" | $(LZ4) | $(LZ4) -d -c
 	echo "Hello World 2 !" | $(LZ4) | $(LZ4) -d | cat
 	echo "Hello World 3 !" | $(LZ4) --no-frame-crc | $(LZ4) -d -c
 	@echo "\n Compatibility with Append :"
-	./datagen -P100 -g1M > tmp1M
-	cat tmp1M tmp1M > tmp2M
-	$(LZ4) -B5 -v tmp1M tmpC
-	$(LZ4) -d -v tmpC tmpR
-	$(LZ4) -d -v tmpC >> tmpR
+	./datagen -P100 -g1M > tmplsdg1M
+	cat tmplsdg1M tmplsdg1M > tmpls2M
+	$(LZ4) -B5 -v tmplsdg1M tmplsc
+	$(LZ4) -d -v tmplsc tmplsr
+	$(LZ4) -d -v tmplsc >> tmplsr
 	ls -ls tmp*
-	$(DIFF) tmp2M tmpR
-	@$(RM) tmp*
+	$(DIFF) tmpls2M tmplsr
+	@$(RM) tmpls*
 
 test-lz4-contentSize: lz4 datagen
 	@echo "\n ---- test original size support ----"
-	./datagen -g15M > tmp
-	$(LZ4) -v tmp | $(LZ4) -t
-	$(LZ4) -v --content-size tmp | $(LZ4) -d > tmp2
-	$(DIFF) -s tmp tmp2
+	./datagen -g15M > tmplc1
+	$(LZ4) -v tmplc1 | $(LZ4) -t
+	$(LZ4) -v --content-size tmplc1 | $(LZ4) -d > tmplc2
+	$(DIFF) -s tmplc1 tmplc2
 	# test large size [2-4] GB
-	@./datagen -g3G -P100 | $(LZ4) -vv | $(LZ4) --decompress --force --sparse - tmp
-	@ls -ls tmp
-	@./datagen -g3G -P100 | $(LZ4) --quiet --content-size | $(LZ4) --verbose --decompress --force --sparse - tmp2
-	@ls -ls tmp2
-	$(DIFF) -s tmp tmp2
-	@$(RM) tmp*
+	@./datagen -g3G -P100 | $(LZ4) -vv | $(LZ4) --decompress --force --sparse - tmplc1
+	@ls -ls tmplc1
+	@./datagen -g3G -P100 | $(LZ4) --quiet --content-size | $(LZ4) --verbose --decompress --force --sparse - tmplc2
+	@ls -ls tmplc2
+	$(DIFF) -s tmplc1 tmplc2
+	@$(RM) tmplc*
 
 test-lz4-frame-concatenation: lz4 datagen
 	@echo "\n ---- test frame concatenation ----"
-	@echo -n > empty.test
-	@echo hi > nonempty.test
-	cat nonempty.test empty.test nonempty.test > orig.test
-	@$(LZ4) -zq empty.test > empty.lz4.test
-	@$(LZ4) -zq nonempty.test > nonempty.lz4.test
-	cat nonempty.lz4.test empty.lz4.test nonempty.lz4.test > concat.lz4.test
-	$(LZ4) -d concat.lz4.test > result.test
-	sdiff orig.test result.test
-	@$(RM) *.test
+	@echo -n > tmp-lfc-empty
+	@echo hi > tmp-lfc-nonempty
+	cat tmp-lfc-nonempty tmp-lfc-empty tmp-lfc-nonempty > tmp-lfc-src
+	@$(LZ4) -zq tmp-lfc-empty > tmp-lfc-empty.lz4
+	@$(LZ4) -zq tmp-lfc-nonempty > tmp-lfc-nonempty.lz4
+	cat tmp-lfc-nonempty.lz4 tmp-lfc-empty.lz4 tmp-lfc-nonempty.lz4 > tmp-lfc-concat.lz4
+	$(LZ4) -d tmp-lfc-concat.lz4 > tmp-lfc-result
+	sdiff tmp-lfc-src tmp-lfc-result
+	@$(RM) tmp-lfc-*
 	@echo frame concatenation test completed
 
 test-lz4-multiple: lz4 datagen
 	@echo "\n ---- test multiple files ----"
-	@./datagen -s1        > tmp1 2> $(VOID)
-	@./datagen -s2 -g100K > tmp2 2> $(VOID)
-	@./datagen -s3 -g1M   > tmp3 2> $(VOID)
-	$(LZ4) -f -m tmp*
-	ls -ls tmp*
-	@$(RM) tmp1 tmp2 tmp3
-	$(LZ4) -df -m *.lz4
-	ls -ls tmp*
-	$(LZ4) -f -m tmp1 notHere tmp2; echo $$?
-	@$(RM) tmp*
-
-unlz4:
-	@$(MAKE) -C $(PRGDIR) $@ CFLAGS="$(CFLAGS)"
-
-lz4cat:
-	@$(MAKE) -C $(PRGDIR) $@ CFLAGS="$(CFLAGS)"
+	@./datagen -s1        > tmp-tlm1 2> $(VOID)
+	@./datagen -s2 -g100K > tmp-tlm2 2> $(VOID)
+	@./datagen -s3 -g1M   > tmp-tlm3 2> $(VOID)
+	$(LZ4) -f -m tmp-tlm*
+	ls -ls tmp-tlm*
+	@$(RM) tmp-tlm1 tmp-tlm2 tmp-tlm3
+	$(LZ4) -df -m tmp-tlm*.lz4
+	ls -ls tmp-tlm*
+	$(LZ4) -f -m tmp-tlm1 notHere tmp-tlm2; echo $$?
+	@$(RM) tmp-tlm*
 
 test-lz4-basic: lz4 datagen unlz4 lz4cat
 	@echo "\n ---- test lz4 basic compression/decompression ----"
-	./datagen -g0     | $(LZ4) -v     | $(LZ4) -t
-	./datagen -g16KB  | $(LZ4) -9     | $(LZ4) -t
-	./datagen -g20KB > tmpSrc
-	$(LZ4) < tmpSrc   | $(LZ4) -d > tmpRes
-	$(DIFF) -q tmpSrc tmpRes
-	$(LZ4) --no-frame-crc < tmpSrc | $(LZ4) -d > tmpRes
-	$(DIFF) -q tmpSrc tmpRes
-	./datagen         | $(LZ4)        | $(LZ4) -t
-	./datagen -g6M -P99 | $(LZ4) -9BD | $(LZ4) -t
-	./datagen -g17M   | $(LZ4) -9v    | $(LZ4) -qt
-	./datagen -g33M   | $(LZ4) --no-frame-crc | $(LZ4) -t
-	./datagen -g256MB | $(LZ4) -vqB4D | $(LZ4) -t
-	@echo "hello world" > tmp
-	$(LZ4) --rm -f tmp tmp.lz4
-	test ! -f tmp                      # must fail (--rm)
-	test   -f tmp.lz4
-	$(PRGDIR)/lz4cat tmp.lz4           # must display hello world
-	test   -f tmp.lz4
-	$(PRGDIR)/unlz4 --rm tmp.lz4 tmp
-	test   -f tmp
-	test ! -f tmp.lz4                  # must fail (--rm)
-	test ! -f tmp.lz4.lz4              # must fail (unlz4)
-	$(PRGDIR)/lz4cat tmp               # pass-through mode
-	test   -f tmp
-	test ! -f tmp.lz4                  # must fail (lz4cat)
-	$(LZ4) tmp tmp.lz4                 # creates tmp.lz4
-	$(PRGDIR)/lz4cat < tmp.lz4 > tmp3  # checks lz4cat works with stdin (#285)
-	$(DIFF) -q tmp tmp3
-	$(PRGDIR)/lz4cat < tmp > tmp2      # checks lz4cat works with stdin (#285)
-	$(DIFF) -q tmp tmp2
-	cp tmp ./-d
-	$(LZ4) --rm -- -d -d.lz4           # compresses ./d into ./-d.lz4
+	./datagen -g0       | $(LZ4) -v     | $(LZ4) -t
+	./datagen -g16KB    | $(LZ4) -9     | $(LZ4) -t
+	./datagen -g20KB > tmp-tlb-dg20k
+	$(LZ4) < tmp-tlb-dg20k | $(LZ4) -d > tmp-tlb-dec
+	$(DIFF) -q tmp-tlb-dg20k tmp-tlb-dec
+	$(LZ4) --no-frame-crc < tmp-tlb-dg20k | $(LZ4) -d > tmp-tlb-dec
+	$(DIFF) -q tmp-tlb-dg20k tmp-tlb-dec
+	./datagen           | $(LZ4)        | $(LZ4) -t
+	./datagen -g6M -P99 | $(LZ4) -9BD   | $(LZ4) -t
+	./datagen -g17M     | $(LZ4) -9v    | $(LZ4) -qt
+	./datagen -g33M     | $(LZ4) --no-frame-crc | $(LZ4) -t
+	./datagen -g256MB   | $(LZ4) -vqB4D | $(LZ4) -t
+	@echo "hello world" > tmp-tlb-hw
+	$(LZ4) --rm -f tmp-tlb-hw tmp-tlb-hw.lz4
+	test ! -f tmp-tlb-hw                      # must fail (--rm)
+	test   -f tmp-tlb-hw.lz4
+	$(PRGDIR)/lz4cat tmp-tlb-hw.lz4           # must display hello world
+	test   -f tmp-tlb-hw.lz4
+	$(PRGDIR)/unlz4 --rm tmp-tlb-hw.lz4 tmp-tlb-hw
+	test   -f tmp-tlb-hw
+	test ! -f tmp-tlb-hw.lz4                  # must fail (--rm)
+	test ! -f tmp-tlb-hw.lz4.lz4              # must fail (unlz4)
+	$(PRGDIR)/lz4cat tmp-tlb-hw               # pass-through mode
+	test   -f tmp-tlb-hw
+	test ! -f tmp-tlb-hw.lz4                  # must fail (lz4cat)
+	$(LZ4) tmp-tlb-hw tmp-tlb-hw.lz4          # creates tmp-tlb-hw.lz4
+	$(PRGDIR)/lz4cat < tmp-tlb-hw.lz4 > tmp-tlb3  # checks lz4cat works with stdin (#285)
+	$(DIFF) -q tmp-tlb-hw tmp-tlb3
+	$(PRGDIR)/lz4cat < tmp-tlb-hw > tmp-tlb2      # checks lz4cat works in pass-through mode
+	$(DIFF) -q tmp-tlb-hw tmp-tlb2
+	cp tmp-tlb-hw ./-d
+	$(LZ4) --rm -- -d -d.lz4               # compresses ./d into ./-d.lz4
 	test   -f ./-d.lz4
 	test ! -f ./-d
 	mv ./-d.lz4 ./-z
-	$(LZ4) -d --rm -- -z tmp4          # uncompresses ./-z into tmp4
+	$(LZ4) -d --rm -- -z tmp-tlb4          # uncompresses ./-z into tmp-tlb4
 	test ! -f ./-z
-	$(DIFF) -q tmp tmp4
-	$(LZ4) -f tmp
-	cat tmp >> tmp.lz4
-	$(LZ4) -f tmp.lz4         # uncompress valid frame followed by invalid data
-	$(LZ4) -BX tmp -c -q | $(LZ4) -tv  # test block checksum
-	@$(RM) tmp*
+	$(DIFF) -q tmp-tlb-hw tmp-tlb4
+	$(LZ4) -f tmp-tlb-hw
+	cat tmp-tlb-hw >> tmp-tlb-hw.lz4
+	$(LZ4) -f tmp-tlb-hw.lz4               # uncompress valid frame followed by invalid data
+	$(LZ4) -BX tmp-tlb-hw -c -q | $(LZ4) -tv  # test block checksum
+	@$(RM) tmp-tlb*
 
 test-lz4-hugefile: lz4 datagen
 	@echo "\n ---- test huge files compression/decompression ----"
 	./datagen -g6GB   | $(LZ4) -vB5D  | $(LZ4) -qt
 	./datagen -g6GB   | $(LZ4) -v5BD  | $(LZ4) -qt
-	@$(RM) tmp*
 
 test-lz4-testmode: lz4 datagen
 	@echo "\n ---- bench mode ----"
-	  $(LZ4) -bi1
+	$(LZ4) -bi1
 	@echo "\n ---- test mode ----"
 	! ./datagen | $(LZ4) -t
 	! ./datagen | $(LZ4) -tf
 	@echo "\n ---- pass-through mode ----"
 	! ./datagen | $(LZ4) -d  > $(VOID)
-	  ./datagen | $(LZ4) -df > $(VOID)
-	@echo "Hello World !" > tmp1
-	$(LZ4) -dcf tmp1
-	@echo "from underground..." > tmp2
-	$(LZ4) -dcfm tmp1 tmp2
-	@echo "\n ---- test cli ----"
+	./datagen | $(LZ4) -df > $(VOID)
+	@echo "Hello World !" > tmp-tlt1
+	$(LZ4) -dcf tmp-tlt1
+	@echo "from underground..." > tmp-tlt2
+	$(LZ4) -dcfm tmp-tlt1 tmp-tlt2
+	@echo "\n ---- non-existing source ----"
 	! $(LZ4)     file-does-not-exist
 	! $(LZ4) -f  file-does-not-exist
 	! $(LZ4) -fm file1-dne file2-dne
-	! $(LZ4) -fm file1-dne file2-dne
+	@$(RM) tmp-tlt
 
 test-lz4-opt-parser: lz4 datagen
 	@echo "\n ---- test opt-parser ----"
@@ -304,12 +290,13 @@ test-lz4-opt-parser: lz4 datagen
 	./datagen -g16M -P90  | $(LZ4) -11B5    | $(LZ4) -t
 	./datagen -g32M -P10  | $(LZ4) -11B5D   | $(LZ4) -t
 
-test-lz4: lz4 datagen test-lz4-opt-parser test-lz4-basic test-lz4-multiple test-lz4-sparse \
-          test-lz4-frame-concatenation test-lz4-testmode test-lz4-contentSize \
-          test-lz4-hugefile
+test-lz4: lz4 datagen test-lz4-basic test-lz4-opt-parser test-lz4-multiple \
+          test-lz4-sparse test-lz4-frame-concatenation test-lz4-testmode \
+          test-lz4-contentSize test-lz4-hugefile
+	@$(RM) tmp*
 
 test-lz4c: lz4c datagen
-	@echo "\n ---- test lz4c version ----"
+	@echo "\n ---- test lz4c variant ----"
 	./datagen -g256MB | $(LZ4)c -l -v    | $(LZ4)c   -t
 
 test-lz4c32: CFLAGS+=-m32
@@ -359,25 +346,22 @@ test-frametest: frametest
 test-frametest32: CFLAGS += -m32
 test-frametest32: test-frametest
 
-test-fasttest: fasttest
-	./fasttest
-
 test-mem: lz4 datagen fuzzer frametest fullbench
 	@echo "\n ---- valgrind tests : memory analyzer ----"
 	valgrind --leak-check=yes --error-exitcode=1 ./datagen -g50M > $(VOID)
-	./datagen -g16KB > tmp
-	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -9 -BD -f tmp $(VOID)
-	./datagen -g16KB -s2 > tmp2
-	./datagen -g16KB -s3 > tmp3
-	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) --force --multiple tmp tmp2 tmp3
-	./datagen -g16MB > tmp
-	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -9 -B5D -f tmp tmp2
-	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -t tmp2
-	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -bi1 tmp
-	valgrind --leak-check=yes --error-exitcode=1 ./fullbench -i1 tmp tmp2
-	./datagen -g256MB > tmp
-	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -B4D -f -vq tmp $(VOID)
-	$(RM) tmp*
+	./datagen -g16KB > ftmdg16K
+	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -9 -BD -f ftmdg16K $(VOID)
+	./datagen -g16KB -s2 > ftmdg16K2
+	./datagen -g16KB -s3 > ftmdg16K3
+	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) --force --multiple ftmdg16K ftmdg16K2 ftmdg16K3
+	./datagen -g16MB > ftmdg16M
+	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -9 -B5D -f ftmdg16M ftmdg16K2
+	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -t ftmdg16K2
+	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -bi1 ftmdg16M
+	valgrind --leak-check=yes --error-exitcode=1 ./fullbench -i1 ftmdg16M ftmdg16K2
+	./datagen -g256MB > ftmdg256M
+	valgrind --leak-check=yes --error-exitcode=1 $(LZ4) -B4D -f -vq ftmdg256M $(VOID)
+	$(RM) ftm*
 	valgrind --leak-check=yes --error-exitcode=1 ./fuzzer -i64 -t1
 	valgrind --leak-check=yes --error-exitcode=1 ./frametest -i256
 
diff --git a/tests/fasttest.c b/tests/fasttest.c
deleted file mode 100644
index a165293..0000000
--- a/tests/fasttest.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/**************************************
- * Compiler Options
- **************************************/
-#ifdef _MSC_VER    /* Visual Studio */
-#  define _CRT_SECURE_NO_WARNINGS // for MSVC
-#  define snprintf sprintf_s
-#endif
-#ifdef __GNUC__
-#  pragma GCC diagnostic ignored "-Wmissing-braces"   /* GCC bug 53119 : doesn't accept { 0 } as initializer (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119) */
-#endif
-
-
-/**************************************
- * Includes
- **************************************/
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include "lz4.h"
-
-
-/* Returns non-zero on failure. */
-int test_compress(const char *input, int inSize, char *output, int outSize)
-{
-    LZ4_stream_t lz4Stream_body = { 0 };
-    LZ4_stream_t* lz4Stream = &lz4Stream_body;
-
-    int inOffset = 0;
-    int outOffset = 0;
-
-    if (inSize & 3) return -1;
-
-    while (inOffset < inSize) {
-        const int length = inSize >> 2;
-        if (inSize > 1024) return -2;
-        if (outSize - (outOffset + 8) < LZ4_compressBound(length)) return -3;
-        {
-            const int outBytes = LZ4_compress_fast_continue(
-                lz4Stream, input + inOffset, output + outOffset + 8, length, outSize-outOffset, 1);
-            if(outBytes <= 0) return -4;
-            memcpy(output + outOffset, &length, 4); /* input length */
-            memcpy(output + outOffset + 4, &outBytes, 4); /* output length */
-            inOffset += length;
-            outOffset += outBytes + 8;
-        }
-    }
-    if (outOffset + 8 > outSize) return -5;
-    memset(output + outOffset, 0, 4);
-    memset(output + outOffset + 4, 0, 4);
-    return 0;
-}
-
-/* Returns non-zero on failure. Not a safe function. */
-int test_decompress(const char *uncompressed, const char *compressed)
-{
-    char outBufferA[1024];
-    char spacing; /* So prefixEnd != dest */
-    char outBufferB[1024];
-    char *output = outBufferA;
-    char *lastOutput = outBufferB;
-    LZ4_streamDecode_t lz4StreamDecode_body = { 0 };
-    LZ4_streamDecode_t* lz4StreamDecode = &lz4StreamDecode_body;
-    int offset = 0;
-    int unOffset = 0;
-    int lastBytes = 0;
-
-    (void)spacing;
-
-    for(;;) {
-        int32_t bytes;
-        int32_t unBytes;
-        /* Read uncompressed size and compressed size */
-        memcpy(&unBytes, compressed + offset, 4);
-        memcpy(&bytes, compressed + offset + 4, 4);
-        offset += 8;
-        /* Check if we reached end of stream or error */
-        if(bytes == 0 && unBytes == 0) return 0;
-        if(bytes <= 0 || unBytes <= 0 || unBytes > 1024) return 1;
-
-        /* Put the last output in the dictionary */
-        LZ4_setStreamDecode(lz4StreamDecode, lastOutput, lastBytes);
-        /* Decompress */
-        bytes = LZ4_decompress_fast_continue(
-            lz4StreamDecode, compressed + offset, output, unBytes);
-        if(bytes <= 0) return 2;
-        /* Check result */
-        {   int const r = memcmp(uncompressed + unOffset, output, unBytes);
-            if (r) return 3;
-        }
-        { char* const tmp = output; output = lastOutput; lastOutput = tmp; }
-        offset += bytes;
-        unOffset += unBytes;
-        lastBytes = unBytes;
-    }
-}
-
-
-int main(int argc, char **argv)
-{
-    char input[] =
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello!"
-        "Hello Hello Hello Hello Hello Hello Hello Hello";
-    char output[LZ4_COMPRESSBOUND(4096)];
-    int r;
-
-    (void)argc;
-    (void)argv;
-
-    if ((r = test_compress(input, sizeof(input), output, sizeof(output)))) {
-        return r;
-    }
-    if ((r = test_decompress(input, output))) {
-        return r;
-    }
-    return 0;
-}