Add support for building and using shared libraries.

8 files changed, 44 insertions, 26 deletions

diff --git a/pjlib/build/Makefile b/pjlib/build/Makefile
index 272206d..926fea2 100644
--- a/pjlib/build/Makefile
+++ b/pjlib/build/Makefile
@@ -2,10 +2,20 @@ include ../../build.mak
 include ../../version.mak
 include $(PJDIR)/build/common.mak
 
+export LIBDIR := ../lib
+export BINDIR := ../bin
+
 RULES_MAK := $(PJDIR)/build/rules.mak
 
+export PJLIB_LIB := libpj-$(TARGET_NAME)$(LIBEXT)
 
-export PJLIB_LIB := ../lib/libpj-$(TARGET_NAME)$(LIBEXT)
+ifeq ($(PJ_SHARED_LIBRARIES),)
+PJLIB_LDLIB := -lpj-$(TARGET_NAME)
+else
+PJLIB_LDLIB := -lpj
+export PJLIB_SONAME := libpj.$(SHLIB_SUFFIX)
+export PJLIB_SHLIB := $(PJLIB_SONAME).$(PJ_VERSION_MAJOR)
+endif
 
 ###############################################################################
 # Gather all flags.
@@ -14,9 +24,9 @@ export _CFLAGS 	:= $(CC_CFLAGS) $(OS_CFLAGS) $(HOST_CFLAGS) $(M_CFLAGS) \
 		   $(CFLAGS) $(CC_INC)../include
 export _CXXFLAGS:= $(_CFLAGS) $(CC_CXXFLAGS) $(OS_CXXFLAGS) $(M_CXXFLAGS) \
 		   $(HOST_CXXFLAGS) $(CXXFLAGS)
-export _LDFLAGS := $(subst /,$(HOST_PSEP),$(PJLIB_LIB)) \
-		   $(CC_LDFLAGS) $(OS_LDFLAGS) $(M_LDFLAGS) $(HOST_LDFLAGS) \
-		   $(LDFLAGS) 
+export _LDFLAGS := $(CC_LDFLAGS) $(OS_LDFLAGS) $(M_LDFLAGS) $(HOST_LDFLAGS) \
+		   $(APP_LDFLAGS) $(LDFLAGS) 
+
 
 ###############################################################################
 # Defines for building PJLIB library
@@ -44,10 +54,10 @@ export TEST_OBJS += activesock.o atomic.o echo_clt.o errno.o exception.o \
 		    udp_echo_srv_sync.o udp_echo_srv_ioqueue.o \
 		    util.o
 export TEST_CFLAGS += $(_CFLAGS)
-export TEST_LDFLAGS += $(_LDFLAGS)
-export TEST_EXE := ../bin/pjlib-test-$(TARGET_NAME)$(HOST_EXE)
+export TEST_LDFLAGS += $(PJLIB_LDLIB) $(_LDFLAGS)
+export TEST_EXE := pjlib-test-$(TARGET_NAME)$(HOST_EXE)
+
 
-	
 export CC_OUT CC AR RANLIB HOST_MV HOST_RM HOST_RMDIR HOST_MKDIR OBJEXT LD LDOUT 
 ###############################################################################
 # Main entry
@@ -74,34 +84,39 @@ print:
 depend: ../include/pj/config_site.h
 	$(MAKE) -f $(RULES_MAK) APP=PJLIB app=pjlib depend
 	$(MAKE) -f $(RULES_MAK) APP=TEST app=pjlib-test depend
-	echo '$(TEST_EXE): $(PJLIB_LIB)' >> .pjlib-test-$(TARGET_NAME).depend
+	echo '$(BINDIR)/$(TEST_EXE): $(LIBDIR)/$(PJLIB_LIB)' >> .pjlib-test-$(TARGET_NAME).depend
 
 
-.PHONY: dep depend clean realclean distclean
+.PHONY: all dep depend clean realclean distclean
 .PHONY: $(TARGETS)
-.PHONY: $(PJLIB_LIB) $(TEST_EXE)
+.PHONY: $(PJLIB_LIB) $(PJLIB_SHLIB) $(PJLIB_SONAME)
+.PHONY: $(TEST_EXE)
 
 dep: depend
 
 pjlib: $(PJLIB_LIB)
 $(PJLIB_LIB): ../include/pj/config_site.h
-	$(MAKE) -f $(RULES_MAK) APP=PJLIB app=pjlib $(PJLIB_LIB)
+
+$(PJLIB_SHLIB): $(PJLIB_SONAME)
+$(PJLIB_SONAME): $(PJLIB_LIB)
+$(PJLIB_LIB) $(PJLIB_SHLIB) $(PJLIB_SONAME):
+	$(MAKE) -f $(RULES_MAK) APP=PJLIB app=pjlib $(subst /,$(HOST_PSEP),$(LIBDIR)/$@)
 
 ../include/pj/config_site.h:
 	touch ../include/pj/config_site.h
 
 pjlib-test: $(TEST_EXE)
-$(TEST_EXE): $(PJLIB_LIB)
-	$(MAKE) -f $(RULES_MAK) APP=TEST app=pjlib-test $(TEST_EXE)
+$(TEST_EXE): $(PJLIB_LIB) $(PJLIB_SONAME)
+	$(MAKE) -f $(RULES_MAK) APP=TEST app=pjlib-test $(subst /,$(HOST_PSEP),$(BINDIR)/$@)
 
-.PHONY: ../lib/pjlib.ko
-../lib/pjlib.ko:
+.PHONY: pjlib.ko
+pjlib.ko:
 	echo Making $@
-	$(MAKE) -f $(RULES_MAK) APP=PJLIB app=pjlib $@
+	$(MAKE) -f $(RULES_MAK) APP=PJLIB app=pjlib $(subst /,$(HOST_PSEP),$(LIBDIR)/$@)
 
-.PHONY: ../lib/pjlib-test.ko
-../lib/pjlib-test.ko:
-	$(MAKE) -f $(RULES_MAK) APP=TEST app=pjlib-test $@
+.PHONY: pjlib-test.ko
+pjlib-test.ko:
+	$(MAKE) -f $(RULES_MAK) APP=TEST app=pjlib-test $(subst /,$(HOST_PSEP),$(LIBDIR)/$@)
 
 clean:
 	$(MAKE) -f $(RULES_MAK) APP=PJLIB app=pjlib clean
diff --git a/pjlib/build/os-auto.mak.in b/pjlib/build/os-auto.mak.in
index a4a2b8a..8640255 100644
--- a/pjlib/build/os-auto.mak.in
+++ b/pjlib/build/os-auto.mak.in
@@ -29,7 +29,10 @@ export TEST_LDFLAGS += @LDFLAGS@ @LIBS@
 # TARGETS are make targets in the Makefile, to be executed for this given
 # operating system.
 #
-export TARGETS	    =	pjlib pjlib-test
+export TARGETS	    =	$(PJLIB_LIB) $(TEST_EXE)
+ifneq ($(PJ_SHARED_LIBRARIES),)
+export TARGETS += $(PJLIB_SONAME)
+endif
 
 
 
diff --git a/pjlib/build/os-darwinos.mak b/pjlib/build/os-darwinos.mak
index ee83dec..a0d99e7 100644
--- a/pjlib/build/os-darwinos.mak
+++ b/pjlib/build/os-darwinos.mak
@@ -33,5 +33,5 @@ export TEST_LDFLAGS += -lm
 # TARGETS are make targets in the Makefile, to be executed for this given
 # operating system.
 #
-export TARGETS	    =	pjlib pjlib-test
+export TARGETS	    =	$(PJLIB_LIB) $(PJLIB_SONAME) $(TEST_EXE)
 
diff --git a/pjlib/build/os-linux-kernel.mak b/pjlib/build/os-linux-kernel.mak
index 934c889..28cfbc7 100644
--- a/pjlib/build/os-linux-kernel.mak
+++ b/pjlib/build/os-linux-kernel.mak
@@ -42,6 +42,6 @@ export TEST_LDFLAGS += -lgcc
 # TARGETS are make targets in the Makefile, to be executed for this given
 # operating system.
 #
-export TARGETS :=	../lib/pjlib.ko ../lib/pjlib-test.ko
+export TARGETS :=	pjlib.ko pjlib-test.ko
 
 
diff --git a/pjlib/build/os-linux.mak b/pjlib/build/os-linux.mak
index 11c6fa7..78123ef 100644
--- a/pjlib/build/os-linux.mak
+++ b/pjlib/build/os-linux.mak
@@ -35,5 +35,5 @@ export TEST_LDFLAGS += -lm
 # TARGETS are make targets in the Makefile, to be executed for this given
 # operating system.
 #
-export TARGETS	    =	pjlib pjlib-test
+export TARGETS	    =	$(PJLIB_LIB) $(PJLIB_SONAME) $(TEST_EXE)
 
diff --git a/pjlib/build/os-rtems.mak b/pjlib/build/os-rtems.mak
index 1501dd9..30a81f9 100644
--- a/pjlib/build/os-rtems.mak
+++ b/pjlib/build/os-rtems.mak
@@ -40,7 +40,7 @@ export TEST_LDFLAGS +=
 # TARGETS are make targets in the Makefile, to be executed for this given
 # operating system.
 #
-export TARGETS	    =	pjlib pjlib-test
+export TARGETS	    =	$(PJLIB_LIB) $(TEST_EXE)
 
 
 
diff --git a/pjlib/build/os-sunos.mak b/pjlib/build/os-sunos.mak
index f0043ad..7aa658d 100644
--- a/pjlib/build/os-sunos.mak
+++ b/pjlib/build/os-sunos.mak
@@ -32,5 +32,5 @@ export TEST_LDFLAGS += -lm
 # TARGETS are make targets in the Makefile, to be executed for this given
 # operating system.
 #
-export TARGETS	    =	pjlib pjlib-test
+export TARGETS	    =	$(PJLIB_LIB) $(PJLIB_SONAME) $(TEST_EXE)
 
diff --git a/pjlib/build/os-win32.mak b/pjlib/build/os-win32.mak
index 0290fea..5be3c8e 100644
--- a/pjlib/build/os-win32.mak
+++ b/pjlib/build/os-win32.mak
@@ -29,5 +29,5 @@ export TEST_OBJS +=	main.o
 # TARGETS are make targets in the Makefile, to be executed for this given
 # operating system.
 #
-export TARGETS	    =	pjlib pjlib-test
+export TARGETS	    =	$(PJLIB_LIB) $(TEST_EXE)