Added : lz4cat utility for posx systems

OS-X compatible dynamic library, thanks to Jan Stepien
corrected : relative symbolic link for versioned library

git-svn-id: https://lz4.googlecode.com/svn/trunk@115 650e7d94-2a16-8b24-b05c-7c0b3f6821cd

4 files changed, 38 insertions, 16 deletions

diff --git a/Makefile b/Makefile
index 380e1fe..e130e4c 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,7 @@
 #  - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c
 # ################################################################
 
-export RELEASE=r114
+export RELEASE=r115
 LIBVER_MAJOR=1
 LIBVER_MINOR=0
 LIBVER_PATCH=0
@@ -54,6 +54,16 @@ else
 EXT =
 endif
 
+# OS X linker doesn't support -soname, and use different extension
+# see : https://developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/DynamicLibraries/100-Articles/DynamicLibraryDesignGuidelines.html
+ifeq ($(shell uname), Darwin)
+	SONAME_FLAGS =
+	SHARED_EXT = dylib
+else
+	SONAME_FLAGS = -Wl,-soname=liblz4.$(SHARED_EXT).$(LIBVER_MAJOR)
+	SHARED_EXT = so
+endif
+
 TEXT = lz4.c lz4.h lz4hc.c lz4hc.h \
 	lz4_format_description.txt Makefile NEWS LICENSE \
 	cmake_unofficial/CMakeLists.txt \
@@ -71,7 +81,7 @@ default: liblz4
 
 all: liblz4 lz4programs
 
-liblz4: liblz4.a liblz4.so
+liblz4: liblz4.a liblz4.$(SHARED_EXT)
 
 lz4programs: lz4.c lz4hc.c
 	@cd $(PRGDIR); $(MAKE) -e all
@@ -80,14 +90,14 @@ liblz4.a: lz4.c lz4hc.c
 	$(CC) $(CFLAGS) -c $^
 	ar rcs liblz4.a lz4.o lz4hc.o
 
-liblz4.so: lz4.c lz4hc.c
-	$(CC) $(CFLAGS) -shared $^ -fPIC -Wl,-soname=liblz4.so.$(LIBVER_MAJOR) -o $@.$(LIBVER)
+liblz4.$(SHARED_EXT): lz4.c lz4hc.c
+	$(CC) $(CFLAGS) -shared $^ -fPIC $(SONAME_FLAGS) -o $@.$(LIBVER)
 	@ln -s $@.$(LIBVER) $@.$(LIBVER_MAJOR)
 	@ln -s $@.$(LIBVER) $@
 
 clean:
-	@rm -f core *.o *.a *.so *.so.* $(DISTRIBNAME)
-	@cd $(PRGDIR); make clean
+	@rm -f core *.o *.a *.$(SHARED_EXT) *.$(SHARED_EXT).* $(DISTRIBNAME) *.sha1
+	@cd $(PRGDIR); $(MAKE) clean
 	@echo Cleaning completed
 
 
@@ -97,23 +107,23 @@ ifneq (,$(filter $(shell uname),Linux Darwin))
 install: liblz4
 	@install -d -m 755 $(DESTDIR)$(LIBDIR)/ $(DESTDIR)$(INCLUDEDIR)/
 	@install -m 755 liblz4.a $(DESTDIR)$(LIBDIR)/liblz4.a
-	@install -m 755 liblz4.so.$(LIBVER) $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER)
-	@install -m 755 liblz4.so.$(LIBVER_MAJOR) $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER_MAJOR)
-	@install -m 755 liblz4.so $(DESTDIR)$(LIBDIR)/liblz4.so
+	@install -m 755 liblz4.$(SHARED_EXT).$(LIBVER) $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT).$(LIBVER)
+	@cp -a liblz4.$(SHARED_EXT).$(LIBVER_MAJOR) $(DESTDIR)$(LIBDIR)
+	@cp -a liblz4.$(SHARED_EXT) $(DESTDIR)$(LIBDIR)
 	@install -m 755 lz4.h $(DESTDIR)$(INCLUDEDIR)/lz4.h
 	@install -m 755 lz4hc.h $(DESTDIR)$(INCLUDEDIR)/lz4hc.h
 	@echo lz4 static and shared library installed
-	@cd $(PRGDIR); make install
+	@cd $(PRGDIR); $(MAKE) -e install
 
 uninstall:
 	[ -x $(DESTDIR)$(LIBDIR)/liblz4.a ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.a
-	[ -x $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER) ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER)
-	[ -x $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER_MAJOR) ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.so.$(LIBVER_MAJOR)
-	[ -x $(DESTDIR)$(LIBDIR)/liblz4.so ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.so
+	rm -f $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT)
+	rm -f $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT).$(LIBVER_MAJOR)
+	[ -x $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT).$(LIBVER) ] && rm -f $(DESTDIR)$(LIBDIR)/liblz4.$(SHARED_EXT).$(LIBVER)
 	[ -f $(DESTDIR)$(INCLUDEDIR)/lz4.h ] && rm -f $(DESTDIR)$(INCLUDEDIR)/lz4.h
 	[ -f $(DESTDIR)$(INCLUDEDIR)/lz4hc.h ] && rm -f $(DESTDIR)$(INCLUDEDIR)/lz4hc.h
 	@echo lz4 libraries successfully uninstalled
-	@cd $(PRGDIR); make uninstall
+	@cd $(PRGDIR); $(MAKE) uninstall
 
 dist: clean
 	@install -dD -m 700 lz4-$(RELEASE)/programs/
@@ -128,6 +138,7 @@ dist: clean
 	done
 	@tar -czf $(DISTRIBNAME) lz4-$(RELEASE)/
 	@rm -rf lz4-$(RELEASE)
+	@sha1sum $(DISTRIBNAME) > $(DISTRIBNAME).sha1
 	@echo Distribution $(DISTRIBNAME) built
 
 endif
diff --git a/NEWS b/NEWS
index 092acf2..9336101 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+r115:
+Added : lz4cat utility, installed on POSX systems (issue 118)
+OS-X compatible compilation of dynamic library (issue 115)
+
 r114:
 Makefile : library correctly compiled with -O3 switch (issue 114)
 Makefile : library compilation compatible with clang
diff --git a/programs/Makefile b/programs/Makefile
index 868c5fb..54a19cf 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -86,11 +86,13 @@ ifneq (,$(filter $(shell uname),Linux Darwin))
 install: lz4 lz4c
 	@install -d -m 755 $(DESTDIR)$(BINDIR)/ $(DESTDIR)$(MANDIR)/
 	@install -m 755 lz4   $(DESTDIR)$(BINDIR)/lz4
+	@ln -s $(DESTDIR)$(BINDIR)/lz4 $(DESTDIR)$(BINDIR)/lz4cat
 	@install -m 755 lz4c  $(DESTDIR)$(BINDIR)/lz4c
 	@install -m 644 lz4.1 $(DESTDIR)$(MANDIR)/lz4.1
 	@echo lz4 installation completed
 
 uninstall:
+	rm -f $(DESTDIR)$(BINDIR)/lz4cat
 	[ -x $(DESTDIR)$(BINDIR)/lz4 ] && rm -f $(DESTDIR)$(BINDIR)/lz4
 	[ -x $(DESTDIR)$(BINDIR)/lz4c ] && rm -f $(DESTDIR)$(BINDIR)/lz4c
 	[ -f $(DESTDIR)$(MANDIR)/lz4.1 ] && rm -f $(DESTDIR)$(MANDIR)/lz4.1
diff --git a/programs/lz4cli.c b/programs/lz4cli.c
index 26e0111..fc5bd81 100644
--- a/programs/lz4cli.c
+++ b/programs/lz4cli.c
@@ -109,11 +109,12 @@
 //****************************
 #define COMPRESSOR_NAME "LZ4 Compression CLI"
 #ifndef LZ4_VERSION
-#  define LZ4_VERSION "v1.1.3"
+#  define LZ4_VERSION "v1.1.5"
 #endif
 #define AUTHOR "Yann Collet"
 #define WELCOME_MESSAGE "*** %s %i-bits %s, by %s (%s) ***\n", COMPRESSOR_NAME, (int)(sizeof(void*)*8), LZ4_VERSION, AUTHOR, __DATE__
 #define LZ4_EXTENSION ".lz4"
+#define LZ4_CAT "lz4cat"
 
 #define KB *(1U<<10)
 #define MB *(1U<<20)
@@ -310,6 +311,10 @@ int main(int argc, char** argv)
     LZ4IO_setOverwrite(0);
     blockSize = LZ4IO_setBlockSizeID(LZ4_BLOCKSIZEID_DEFAULT);
 
+    // lz4cat behavior
+    if (!strcmp(programName, LZ4_CAT)) { decode=1; forceStdout=1; output_filename=stdoutmark; displayLevel=1; }
+
+    // command switches
     for(i=1; i<argc; i++)
     {
         char* argument = argv[i];
@@ -335,7 +340,7 @@ int main(int argc, char** argv)
                 if ((argument[0]=='c') && (argument[1]=='0')) { cLevel=0; argument++; continue; }          // -c0 (fast compression)
                 if ((argument[0]=='c') && (argument[1]=='1')) { cLevel=9; argument++; continue; }          // -c1 (high compression)
                 if ((argument[0]=='h') && (argument[1]=='c')) { cLevel=9; argument++; continue; }          // -hc (high compression)
-                if (*argument=='y') { LZ4IO_setOverwrite(1); continue; }                                             // -y (answer 'yes' to overwrite permission)
+                if (*argument=='y') { LZ4IO_setOverwrite(1); continue; }                                   // -y (answer 'yes' to overwrite permission)
                 if (*argument=='s') { displayLevel=1; continue; }                                          // -s (silent mode)
 #endif // DISABLE_LZ4C_LEGACY_OPTIONS