makefile improvements, enable dynamic library

IlyaGrebnov · Feb 4, 2025 · 4c16f47 · 4c16f47
1 parent cb2ceeb
commit 4c16f47
Showing 1 changed file with 38 additions and 24 deletions.
diff --git a/makefile b/makefile
@@ -1,10 +1,18 @@
 SHELL = /bin/sh
+UNAME_S := $(shell uname -s)
 
-CC = clang++
-AR = ar
-RANLIB = ranlib
+ifeq ($(UNAME_S),Darwin)
+    LIBEXT = dylib
+else
+    LIBEXT = so
+endif
 
-CFLAGS = -g -Wall
+CC ?= clang
+CXX ?= clang++
+AR ?= ar
+RANLIB ?= ranlib
+
+CFLAGS ?= -g -Wall
 
 # Comment out CFLAGS line below for compatability mode for 32bit file sizes
 # (less than 2GB) and systems that have compilers that treat int as 64bit
@@ -30,7 +38,7 @@ CFLAGS += -DLIBBSC_SORT_TRANSFORM_SUPPORT
 CFLAGS += -DLIBBSC_ALLOW_UNALIGNED_ACCESS
 
 # Where you want bsc installed when you do 'make install'
-PREFIX = /usr
+PREFIX ?= /usr
 
 OBJS = \
        adler32.o       \
@@ -46,21 +54,25 @@ OBJS = \
        st.o            \
        bwt.o           \
 
-all: libbsc.a bsc
+all: libbsc.a bsc libbsc.$(LIBEXT)
 
 bsc: libbsc.a bsc.cpp
-	$(CC) $(CFLAGS) bsc.cpp -o bsc -L. -lbsc
+	$(CXX) $(CFLAGS) $(LDFLAGS) bsc.cpp -o $@ $<
 
 libbsc.a: $(OBJS)
-	rm -f libbsc.a
-	$(AR) cq libbsc.a $(OBJS)
+	rm -f $@
+	$(AR) cq $@ $(OBJS)
 	@if ( test -f $(RANLIB) -o -f /usr/bin/ranlib -o \
 		-f /bin/ranlib -o -f /usr/ccs/bin/ranlib ) ; then \
-		echo $(RANLIB) libbsc.a ; \
-		$(RANLIB) libbsc.a ; \
+		echo $(RANLIB) $@ ; \
+		$(RANLIB) $@ ; \
 	fi
 
-install: libbsc.a bsc
+libbsc.$(LIBEXT): $(OBJS)
+	rm -f $@
+	$(CC) $(CFLAGS) -fPIC -shared $(LDFLAGS) -o $@ $(OBJS)
+
+install: libbsc.a bsc libbsc.$(LIBEXT)
 	if ( test ! -d $(DESTDIR)$(PREFIX)/bin ) ; then mkdir -p $(DESTDIR)$(PREFIX)/bin ; fi
 	if ( test ! -d $(DESTDIR)$(PREFIX)/lib ) ; then mkdir -p $(DESTDIR)$(PREFIX)/lib ; fi
 	if ( test ! -d $(DESTDIR)$(PREFIX)/include ) ; then mkdir -p $(DESTDIR)$(PREFIX)/include ; fi
@@ -70,42 +82,44 @@ install: libbsc.a bsc
 	chmod a+r $(DESTDIR)$(PREFIX)/include/libbsc.h
 	cp -f libbsc.a $(DESTDIR)$(PREFIX)/lib
 	chmod a+r $(DESTDIR)$(PREFIX)/lib/libbsc.a
+	cp -f libbsc.$(LIBEXT) $(DESTDIR)$(PREFIX)/lib
+	chmod a+r $(DESTDIR)$(PREFIX)/lib/libbsc.$(LIBEXT)
 
 clean:
-	rm -f *.o libbsc.a bsc
+	rm -rf *.o libbsc.a libbsc.$(LIBEXT) bsc bsc.dSYM
 
 adler32.o: libbsc/adler32/adler32.cpp
-	$(CC) $(CFLAGS) -c libbsc/adler32/adler32.cpp
+	$(CXX) $(CFLAGS) -c libbsc/adler32/adler32.cpp
 
 libsais.o: libbsc/bwt/libsais/libsais.c
 	$(CC) $(CFLAGS) -c libbsc/bwt/libsais/libsais.c
 
 coder.o: libbsc/coder/coder.cpp
-	$(CC) $(CFLAGS) -c libbsc/coder/coder.cpp
+	$(CXX) $(CFLAGS) -c libbsc/coder/coder.cpp
 
 qlfc.o: libbsc/coder/qlfc/qlfc.cpp
-	$(CC) $(CFLAGS) -c libbsc/coder/qlfc/qlfc.cpp
+	$(CXX) $(CFLAGS) -c libbsc/coder/qlfc/qlfc.cpp
 
 qlfc_model.o: libbsc/coder/qlfc/qlfc_model.cpp
-	$(CC) $(CFLAGS) -c libbsc/coder/qlfc/qlfc_model.cpp
+	$(CXX) $(CFLAGS) -c libbsc/coder/qlfc/qlfc_model.cpp
 
 detectors.o: libbsc/filters/detectors.cpp
-	$(CC) $(CFLAGS) -c libbsc/filters/detectors.cpp
+	$(CXX) $(CFLAGS) -c libbsc/filters/detectors.cpp
 
 preprocessing.o: libbsc/filters/preprocessing.cpp
-	$(CC) $(CFLAGS) -c libbsc/filters/preprocessing.cpp
+	$(CXX) $(CFLAGS) -c libbsc/filters/preprocessing.cpp
 
 libbsc.o: libbsc/libbsc/libbsc.cpp
-	$(CC) $(CFLAGS) -c libbsc/libbsc/libbsc.cpp
+	$(CXX) $(CFLAGS) -c libbsc/libbsc/libbsc.cpp
 
 lzp.o: libbsc/lzp/lzp.cpp
-	$(CC) $(CFLAGS) -c libbsc/lzp/lzp.cpp
+	$(CXX) $(CFLAGS) -c libbsc/lzp/lzp.cpp
 
 platform.o: libbsc/platform/platform.cpp
-	$(CC) $(CFLAGS) -c libbsc/platform/platform.cpp
+	$(CXX) $(CFLAGS) -c libbsc/platform/platform.cpp
 
 st.o: libbsc/st/st.cpp
-	$(CC) $(CFLAGS) -c libbsc/st/st.cpp
+	$(CXX) $(CFLAGS) -c libbsc/st/st.cpp
 
 bwt.o: libbsc/bwt/bwt.cpp
-	$(CC) $(CFLAGS) -c libbsc/bwt/bwt.cpp
+	$(CXX) $(CFLAGS) -c libbsc/bwt/bwt.cpp