Initial commits from diff I submitted earlier

5 files changed, 221 insertions, 33 deletions

diff --git a/Makefile b/Makefile
index f3c6ce2..51b4216 100644
--- a/Makefile
+++ b/Makefile
@@ -36,15 +36,50 @@ TESTDIR = tests
 EXDIR   = examples
 
 
-# Define nul output
-ifneq (,$(filter Windows%,$(OS)))
+# Define *.exe as extension for targetting Windows systems
+TARGET_OS ?= $(shell uname)
+ifeq ($(TARGET_OS),)
+  TARGET_OS ?= $(OS)
+endif
+
+ifneq (,$(filter Windows%,$(TARGET_OS)))
+LIBLZ4 = liblz4-$(LIBVER_MAJOR)
+EXT  = .exe
+else
+EXT  = .exe
+ifneq (,$(filter MINGW%,$(TARGET_OS)))
+EXT  = .exe
+else
+ifneq (,$(filter MSYS%,$(TARGET_OS)))
+EXT  = .exe
+else
+ifneq (,$(filter CYGWIN%,$(TARGET_OS)))
 EXT  = .exe
-VOID = nul
 else
 EXT  =
-VOID = /dev/null
+endif
+endif
+endif
 endif
 
+#determine if dev/nul based on host environment
+ifneq (,$(filter MINGW%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter MSYS%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter CYGWIN%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter Windows%,$(OS)))
+VOID := nul
+else
+VOID  := /dev/null
+endif
+endif
+endif
+endif
 
 .PHONY: default
 default: lib-release lz4-release
@@ -93,7 +128,7 @@ clean:
 #-----------------------------------------------------------------------------
 # make install is validated only for Linux, OSX, BSD, Hurd and Solaris targets
 #-----------------------------------------------------------------------------
-ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD MINGW32_NT-6.1 MINGW64_NT-6.1 MINGW32_NT-10.0 MINGW64_NT-10.0))
+ifneq (,$(filter Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD MINGW32% MINGW64% CYGWIN% MSYS%,$(shell uname)))
 HOST_OS = POSIX
 
 .PHONY: install uninstall
@@ -181,6 +216,14 @@ gpptest gpptest32: clean
 	CC=$(CC) $(MAKE) -C $(PRGDIR)  all CFLAGS="$(CFLAGS)"
 	CC=$(CC) $(MAKE) -C $(TESTDIR) all CFLAGS="$(CFLAGS)"
 
+cxx17build : CC = "$(CXX) -Wno-deprecated"
+cxx17build : CFLAGS = -std=c++17 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror -pedantic
+cxx17build : clean
+	$(CXX) -v
+	CC=$(CC) $(MAKE) -C $(LZ4DIR)  all CFLAGS="$(CFLAGS)"
+	CC=$(CC) $(MAKE) -C $(PRGDIR)  all CFLAGS="$(CFLAGS)"
+	CC=$(CC) $(MAKE) -C $(TESTDIR) all CFLAGS="$(CFLAGS)"
+
 ctocpptest: LIBCC="$(CC)"
 ctocpptest: TESTCC="$(CXX)"
 ctocpptest: CFLAGS=""
diff --git a/examples/Makefile b/examples/Makefile
index 103e7ec..26aaafd 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -38,14 +38,51 @@ LZ4       = ../programs/lz4
 
 
 # Define *.exe as extension for Windows systems
-ifneq (,$(filter Windows%,$(OS)))
-EXT =.exe
-VOID = nul
+
+# Define *.exe as extension for targetting Windows systems
+TARGET_OS ?= $(shell uname)
+ifeq ($(TARGET_OS),)
+  TARGET_OS ?= $(OS)
+endif
+
+ifneq (,$(filter Windows%,$(TARGET_OS)))
+LIBLZ4 = liblz4-$(LIBVER_MAJOR)
+EXT  = .exe
+else
+EXT  = .exe
+ifneq (,$(filter MINGW%,$(TARGET_OS)))
+EXT  = .exe
 else
-EXT =
-VOID = /dev/null
+ifneq (,$(filter MSYS%,$(TARGET_OS)))
+EXT  = .exe
+else
+ifneq (,$(filter CYGWIN%,$(TARGET_OS)))
+EXT  = .exe
+else
+EXT  =
+endif
+endif
+endif
 endif
 
+#determine if dev/nul based on host environment
+ifneq (,$(filter MINGW%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter MSYS%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter CYGWIN%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter Windows%,$(OS)))
+VOID := nul
+else
+VOID  := /dev/null
+endif
+endif
+endif
+endif
 
 default: all
 
diff --git a/lib/Makefile b/lib/Makefile
index cb1571c..4e96b57 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -45,7 +45,10 @@ LIBVER  := $(shell echo $(LIBVER_SCRIPT))
 BUILD_SHARED:=yes
 BUILD_STATIC:=yes
 
-OS ?= $(shell uname)
+TARGET_OS ?= $(shell uname)
+ifeq ($(TARGET_OS),)
+  TARGET_OS ?= $(OS)
+endif
 CPPFLAGS+= -DXXH_NAMESPACE=LZ4_
 CFLAGS  ?= -O3
 DEBUGFLAGS:= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
@@ -71,10 +74,26 @@ else
 	SHARED_EXT_VER = $(SHARED_EXT).$(LIBVER)
 endif
 
-ifneq (,$(filter Windows%,$(OS)))
+WINBASED = yes
+ifneq (,$(filter Windows%,$(TARGET_OS)))
 LIBLZ4 = liblz4-$(LIBVER_MAJOR)
+LIBLZ4_EXP = liblz4.lib
+else
+LIBLZ4_EXP = liblz4.dll.a
+ifneq (,$(filter MINGW%,$(TARGET_OS)))
+LIBLZ4 = liblz4
+else
+ifneq (,$(filter MSYS%,$(TARGET_OS)))
+LIBLZ4 = msys-lz4-$(LIBVER_MAJOR)
+else
+ifneq (,$(filter CYGWIN%,$(TARGET_OS)))
+LIBLZ4 = cyglz4-$(LIBVER_MAJOR)
 else
 LIBLZ4 = liblz4.$(SHARED_EXT_VER)
+WINBASED = no
+endif
+endif
+endif
 endif
 
 .PHONY: default
@@ -106,8 +125,8 @@ endif
 $(LIBLZ4): $(SRCFILES)
 ifeq ($(BUILD_SHARED),yes)  # can be disabled on command line
 	@echo compiling dynamic library $(LIBVER)
-ifneq (,$(filter Windows%,$(OS)))
-	$(Q)$(CC) $(FLAGS) -DLZ4_DLL_EXPORT=1 -shared $^ -o dll/$@.dll -Wl,--out-implib,dll/liblz4.lib
+ifeq ($(WINBASED),yes)
+	$(Q)$(CC) $(FLAGS) -DLZ4_DLL_EXPORT=1 -shared $^ -o dll/$@.dll -Wl,--out-implib,dll/$(LIBLZ4_EXP)
 else
 	$(Q)$(CC) $(FLAGS) -shared $^ -fPIC -fvisibility=hidden $(SONAME_FLAGS) -o $@
 	@echo creating versioned links
@@ -116,18 +135,19 @@ else
 endif
 endif
 
+ifeq (,$(filter MINGW%,$(TARGET_OS)))
 liblz4: $(LIBLZ4)
+endif
 
 clean:
-	$(Q)$(RM) core *.o liblz4.pc dll/liblz4.dll dll/liblz4.lib
+	$(Q)$(RM) core *.o liblz4.pc dll/$(LIBLZ4).dll dll/$(LIBLZ4_EXP)
 	$(Q)$(RM) *.a *.$(SHARED_EXT) *.$(SHARED_EXT_MAJOR) *.$(SHARED_EXT_VER)
 	@echo Cleaning library completed
 
-
 #-----------------------------------------------------------------------------
 # make install is validated only for Linux, OSX, BSD, Hurd and Solaris targets
 #-----------------------------------------------------------------------------
-ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD MINGW32_NT-6.1 MINGW64_NT-6.1 MINGW32_NT-10.0 MINGW64_NT-10.0))
+ifneq (,$(filter Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD MINGW32_NT% MINGW64_NT% MSYS% CYGWIN_NT%,$(shell uname)))
 
 .PHONY: listL120
 listL120:  # extract lines >= 120 characters in *.{c,h}, by Takayuki Matsuoka (note : $$, for Makefile compatibility)
@@ -184,9 +204,9 @@ ifeq ($(BUILD_SHARED),yes)
 # Traditionnally, one installs the DLLs in the bin directory as programs
 # search them first in their directory. This allows to not pollute system
 # directories (like c:/windows/system32), nor modify the PATH variable.
-ifneq (,$(filter Windows%,$(OS)))
+ifeq ($(WINBASED),yes)
 	$(Q)$(INSTALL_PROGRAM) dll/$(LIBLZ4).dll $(DESTDIR)$(bindir)
-	$(Q)$(INSTALL_PROGRAM) dll/liblz4.lib $(DESTDIR)$(libdir)
+	$(Q)$(INSTALL_PROGRAM) dll/$(LIBLZ4_EXP) $(DESTDIR)$(libdir)
 else
 	$(Q)$(INSTALL_PROGRAM) liblz4.$(SHARED_EXT_VER) $(DESTDIR)$(libdir)
 	$(Q)ln -sf liblz4.$(SHARED_EXT_VER) $(DESTDIR)$(libdir)/liblz4.$(SHARED_EXT_MAJOR)
@@ -201,9 +221,9 @@ endif
 
 uninstall:
 	$(Q)$(RM) $(DESTDIR)$(pkgconfigdir)/liblz4.pc
-ifneq (,$(filter Windows%,$(OS)))
+ifeq (WINBASED,1)
 	$(Q)$(RM) $(DESTDIR)$(bindir)/$(LIBLZ4).dll
-	$(Q)$(RM) $(DESTDIR)$(libdir)/liblz4.lib
+	$(Q)$(RM) $(DESTDIR)$(libdir)/$(LIBLZ4_EXP)
 else
 	$(Q)$(RM) $(DESTDIR)$(libdir)/liblz4.$(SHARED_EXT)
 	$(Q)$(RM) $(DESTDIR)$(libdir)/liblz4.$(SHARED_EXT_MAJOR)
diff --git a/programs/Makefile b/programs/Makefile
index 92fd683..47912d8 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -56,17 +56,48 @@ LZ4_VERSION=$(LIBVER)
 MD2ROFF   = ronn
 MD2ROFF_FLAGS = --roff --warnings --manual="User Commands" --organization="lz4 $(LZ4_VERSION)"
 
+TARGET_OS ?= $(shell uname)
+ifeq ($(TARGET_OS),)
+  TARGET_OS ?= $(OS)
+endif
 
 # Define *.exe as extension for Windows systems
-ifneq (,$(filter Windows%,$(OS)))
+ifneq (,$(filter Windows%,$(TARGET_OS)))
+EXT  :=.exe
+else
+ifneq (,$(filter MINGW%,$(TARGET_OS)))
+EXT  :=.exe
+else
+ifneq (,$(filter MSYS%,$(TARGET_OS)))
+EXT  :=.exe
+else
+ifneq (,$(filter CYGWIN%,$(TARGET_OS)))
 EXT  :=.exe
-VOID := nul
 else
 EXT  :=
-VOID := /dev/null
+endif
+endif
+endif
 endif
 
-
+#determine if dev/nul based on host environment
+ifneq (,$(filter MINGW%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter MSYS%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter CYGWIN%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter Windows%,$(OS)))
+VOID := nul
+else
+VOID  := /dev/null
+endif
+endif
+endif
+endif
 
 default: lz4-release
 
@@ -109,7 +140,7 @@ clean:
 #-----------------------------------------------------------------------------
 # make install is validated only for Linux, OSX, BSD, Hurd and Solaris targets
 #-----------------------------------------------------------------------------
-ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD MINGW32_NT-6.1 MINGW64_NT-6.1 MINGW32_NT-10.0 MINGW64_NT-10.0))
+ifneq (,$(filter Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD MINGW32_NT% MINGW64_NT% MSYS% CYGWIN_NT%,$(shell uname)))
 
 unlz4: lz4
 	ln -s lz4$(EXT) unlz4$(EXT)
diff --git a/tests/Makefile b/tests/Makefile
index 70cae63..d8104de 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -43,15 +43,72 @@ CFLAGS  += $(DEBUGFLAGS) $(MOREFLAGS)
 CPPFLAGS+= -I$(LZ4DIR) -I$(PRGDIR) -DXXH_NAMESPACE=LZ4_
 FLAGS    = $(CFLAGS) $(CPPFLAGS) $(LDFLAGS)
 
-
 # Define *.exe as extension for Windows systems
+TARGET_OS ?= $(shell uname)
+ifeq ($(TARGET_OS),)
+  TARGET_OS ?= $(OS)
+endif
+
+ifneq (,$(filter Windows%,$(TARGET_OS)))
+EXT  :=.exe
+else
+ifneq (,$(filter MINGW%,$(TARGET_OS)))
+EXT  :=.exe
+else
+ifneq (,$(filter MSYS%,$(TARGET_OS)))
+EXT  :=.exe
+else
+ifneq (,$(filter CYGWIN%,$(TARGET_OS)))
+EXT  :=.exe
+else
+EXT  :=
+endif
+endif
+endif
+endif
+
+# determine name of .DLL for the target
+WINBASED = yes
+ifneq (,$(filter Windows%,$(TARGET_OS)))
+LIBLZ4 = liblz4-$(LIBVER_MAJOR)
+LIBLZ4_EXP = liblz4.lib
+else
+LIBLZ4_EXP = liblz4.dll.a
+ifneq (,$(filter MINGW%,$(TARGET_OS)))
+LIBLZ4 = liblz4
+else
+ifneq (,$(filter MSYS%,$(TARGET_OS)))
+LIBLZ4 = msys-lz4-$(LIBVER_MAJOR)
+else
+ifneq (,$(filter CYGWIN%,$(TARGET_OS)))
+LIBLZ4 = cyglz4-$(LIBVER_MAJOR)
+else
+LIBLZ4 = liblz4.$(SHARED_EXT_VER)
+WINBASED = no
+endif
+endif
+endif
+endif
+
+#determine if dev/nul based on host environment
+ifneq (,$(filter MINGW%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter MSYS%,$(shell uname)))
+VOID := /dev/null
+else
+ifneq (,$(filter CYGWIN%,$(shell uname)))
+VOID := /dev/null
+else
 ifneq (,$(filter Windows%,$(OS)))
-EXT  =.exe
-VOID = nul
+VOID := nul
 else
-EXT  =
-VOID = /dev/null
+VOID  := /dev/null
+endif
 endif
+endif
+endif
+
 LZ4 := $(PRGDIR)/lz4$(EXT)
 
 
@@ -95,7 +152,7 @@ fullbench-lib: fullbench.c $(LZ4DIR)/liblz4.a
 
 fullbench-dll: fullbench.c $(LZ4DIR)/xxhash.c
 	$(MAKE) -C $(LZ4DIR) liblz4
-	$(CC) $(FLAGS) $^ -o $@$(EXT) -DLZ4_DLL_IMPORT=1 $(LZ4DIR)/dll/liblz4.dll
+	$(CC) $(FLAGS) $^ -o $@$(EXT) -DLZ4_DLL_IMPORT=1 $(LZ4DIR)/dll/$(LIBLZ4).dll
 
 fuzzer  : lz4.o lz4hc.o xxhash.o fuzzer.c
 	$(CC) $(FLAGS) $^ -o $@$(EXT)
@@ -137,7 +194,7 @@ checkTag: checkTag.c $(LZ4DIR)/lz4.h
 #-----------------------------------------------------------------------------
 # validated only for Linux, OSX, BSD, Hurd and Solaris targets
 #-----------------------------------------------------------------------------
-ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD))
+ifneq (,$(filter Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD MINGW32% MINGW64% CYGWIN% MSYS%,$(shell uname)))
 
 MD5:=md5sum
 ifneq (,$(filter $(shell uname), Darwin ))