4 files changed, 35 insertions, 5 deletions
diff --git a/.gitignore b/.gitignore
index 072827c..0ee6f2e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 *.gcno
 *.gcda
 *.test
+*.dylib
diff --git a/Makefile b/Makefile
index d5db58a..f17e587 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,16 @@
 CONFIGFILE = config.mk
 include $(CONFIGFILE)
 
+OS = linux
+# linux = Linux
+# macos = Mac OS
+include $(OS).mk
+
+LIB_MAJOR = 1
+LIB_MINOR = 0
+LIB_VERSION = $(LIB_MAJOR).$(LIB_MINOR)
+
+
 LANG =\
 	swedish
 
@@ -11,6 +21,9 @@ OBJ =\
 	libnumtext_remove_separators.o\
 	$(LANG:=.o)
 
+LOBJ =\
+	$(OBJ:.o=.lo)
+
 HDR =\
 	libnumtext.h\
 	common.h
@@ -22,9 +35,9 @@ TEST_OBJ =\
 	$(TEST:=.o)
 
 
-all: libnumtext.a
+all: libnumtext.a libnumtext.$(LIBEXT)
 $(OBJ): $(HDR)
-$(OBJ:.o=.lo): $(HDR)
+$(LOBJ): $(HDR)
 $(TEST_OBJ): libnumtext.h
 $(TEST): libnumtext.a
 
@@ -41,6 +54,9 @@ libnumtext.a: $(OBJ)
 	@rm -f -- $@
 	$(AR) rc $@ $(OBJ)
 
+libnumtext.$(LIBEXT): $(LOBJ)
+	$(CC) $(LIBFLAGS) -o $@ $(LOBJ) $(LDFLAGS)
+
 check: $(TEST)
 	@set -e &&\
 	for t in $(TEST); do\
@@ -48,18 +64,21 @@ check: $(TEST)
 		"./$$t" || exit 1;\
 	done
 
-install: libnumtext.a
+install: libnumtext.a libnumtext.$(LIBEXT)
 	mkdir -p -- "$(DESTDIR)$(PREFIX)/lib"
 	mkdir -p -- "$(DESTDIR)$(PREFIX)/include"
 	cp -- libnumtext.a "$(DESTDIR)$(PREFIX)/lib/"
+	cp -- libnumtext.$(LIBEXT) "$(DESTDIR)$(PREFIX)/lib/libnumtext.$(LIBMINOREXT)"
+	ln -sf -- libnumtext.$(LIBMINOREXT) "$(DESTDIR)$(PREFIX)/lib/libnumtext.$(LIBMAJOREXT)"
+	ln -sf -- libnumtext.$(LIBMINOREXT) "$(DESTDIR)$(PREFIX)/lib/libnumtext.$(LIBEXT)"
 	cp -- libnumtext.h "$(DESTDIR)$(PREFIX)/include/"
 
 uninstall:
-	-rm -f -- "$(DESTDIR)$(PREFIX)/lib/libnumtext.a"
+	-rm -f -- "$(DESTDIR)$(PREFIX)/lib/libnumtext".*
 	-rm -f -- "$(DESTDIR)$(PREFIX)/include/libnumtext.h"
 
 clean:
-	-rm -f -- *.o *.a *.lo *.su *.so *.so.* *.gch *.gcov *.gcno *.gcda *.test
+	-rm -f -- *.o *.a *.lo *.su *.so *.so.* *.gch *.gcov *.gcno *.gcda *.test *.dylib
 
 .SUFFIXES:
 .SUFFIXES: .lo .o .c .test .test.o
diff --git a/linux.mk b/linux.mk
new file mode 100644
index 0000000..2659516
--- /dev/null
+++ b/linux.mk
@@ -0,0 +1,5 @@
+LIBEXT = so
+LIBFLAGS = -shared -Wl,-soname,libnumtext.$(LIBEXT).$(LIB_MAJOR)
+
+LIBMAJOREXT = $(LIBEXT).$(LIB_MAJOR)
+LIBMINOREXT = $(LIBEXT).$(LIB_VERSION)
diff --git a/macos.mk b/macos.mk
new file mode 100644
index 0000000..b475197
--- /dev/null
+++ b/macos.mk
@@ -0,0 +1,5 @@
+LIBEXT = dylib
+LIBFLAGS = -dynamiclib
+
+LIBMAJOREXT = $(LIB_MAJOR).$(LIBEXT)
+LIBMINOREXT = $(LIB_VERSION).$(LIBEXT)