From 9e5b6c43b13a561b09908d2a57edb6c96e4fedaf Mon Sep 17 00:00:00 2001
From: Jason Parker <jparker@digium.com>
Date: Tue, 12 Feb 2013 14:00:13 -0600
Subject: Add support for building and using shared libraries.

---
 pjlib-util/build/Makefile | 58 +++++++++++++++++++++++++++++------------------
 1 file changed, 36 insertions(+), 22 deletions(-)

(limited to 'pjlib-util')

diff --git a/pjlib-util/build/Makefile b/pjlib-util/build/Makefile
index 6c37979..aef1e8e 100644
--- a/pjlib-util/build/Makefile
+++ b/pjlib-util/build/Makefile
@@ -6,10 +6,24 @@ include ../../build.mak
 include ../../version.mak
 include $(PJDIR)/build/common.mak
 
+export LIBDIR := ../lib
+export BINDIR := ../bin
+
 RULES_MAK := $(PJDIR)/build/rules.mak
 
 PJLIB_LIB:=$(PJDIR)/pjlib/lib/libpj-$(TARGET_NAME)$(LIBEXT)
-export PJLIB_UTIL_LIB:=../lib/libpjlib-util-$(TARGET_NAME)$(LIBEXT)
+
+export PJLIB_UTIL_LIB := libpjlib-util-$(TARGET_NAME)$(LIBEXT)
+
+ifeq ($(PJ_SHARED_LIBRARIES),)
+PJLIB_LDLIB := -lpj-$(TARGET_NAME)
+PJLIB_UTIL_LDLIB := -lpjlib-util-$(TARGET_NAME)
+else
+export PJLIB_UTIL_SONAME := libpjlib-util.$(SHLIB_SUFFIX)
+export PJLIB_UTIL_SHLIB := $(PJLIB_UTIL_SONAME).$(PJ_VERSION_MAJOR)
+PJLIB_LDLIB := -lpj
+PJLIB_UTIL_LDLIB := -lpjlib-util
+endif
 
 ###############################################################################
 # Gather all flags.
@@ -18,10 +32,8 @@ export _CFLAGS 	:= $(CC_CFLAGS) $(OS_CFLAGS) $(HOST_CFLAGS) $(M_CFLAGS) \
 		   $(CFLAGS) $(CC_INC)../include $(CC_INC)../../pjlib/include
 export _CXXFLAGS:= $(_CFLAGS) $(CC_CXXFLAGS) $(OS_CXXFLAGS) $(M_CXXFLAGS) \
 		   $(HOST_CXXFLAGS) $(CXXFLAGS)
-export _LDFLAGS := $(subst /,$(HOST_PSEP),$(PJLIB_UTIL_LIB)) \
-		   $(subst /,$(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-UTIL library
@@ -41,8 +53,8 @@ export UTIL_TEST_SRCDIR = ../src/pjlib-util-test
 export UTIL_TEST_OBJS += xml.o encryption.o stun.o resolver_test.o test.o \
 		http_client.o
 export UTIL_TEST_CFLAGS += $(_CFLAGS)
-export UTIL_TEST_LDFLAGS += $(_LDFLAGS)
-export UTIL_TEST_EXE:=../bin/pjlib-util-test-$(TARGET_NAME)$(HOST_EXE)
+export UTIL_TEST_LDFLAGS += $(PJLIB_UTIL_LDLIB) $(PJLIB_LDLIB) $(_LDFLAGS)
+export UTIL_TEST_EXE:=pjlib-util-test-$(TARGET_NAME)$(HOST_EXE)
 
 	
 export CC_OUT CC AR RANLIB HOST_MV HOST_RM HOST_RMDIR HOST_MKDIR OBJEXT LD LDOUT 
@@ -51,7 +63,7 @@ export CC_OUT CC AR RANLIB HOST_MV HOST_RM HOST_RMDIR HOST_MKDIR OBJEXT LD LDOUT
 #
 # $(TARGET) is defined in os-$(OS_NAME).mak file in current directory.
 #
-TARGETS := pjlib-util pjlib-util-test
+TARGETS := $(PJLIB_UTIL_LIB) $(PJLIB_UTIL_SONAME) $(UTIL_TEST_EXE)
 
 all: $(TARGETS)
 
@@ -69,26 +81,29 @@ doc:
 dep: depend
 distclean: realclean
 
-.PHONY: dep depend clean realclean distclean
+.PHONY: all dep depend clean realclean distclean
 .PHONY: $(TARGETS)
-.PHONY: $(PJLIB_UTIL_LIB) $(UTIL_TEST_EXE)
+.PHONY: $(PJLIB_UTIL_LIB) $(PJLIB_UTIL_SHLIB) $(PJLIB_UTIL_SONAME)
+.PHONY: $(UTIL_TEST_EXE)
 
 pjlib-util: $(PJLIB_UTIL_LIB)
-$(PJLIB_UTIL_LIB):
-	$(MAKE) -f $(RULES_MAK) APP=PJLIB_UTIL app=pjlib-util $(PJLIB_UTIL_LIB)
+$(PJLIB_UTIL_SHLIB): $(PJLIB_UTIL_SONAME)
+$(PJLIB_UTIL_SONAME): $(PJLIB_UTIL_LIB)
+$(PJLIB_UTIL_LIB) $(PJLIB_UTIL_SHLIB) $(PJLIB_UTIL_SONAME):
+	$(MAKE) -f $(RULES_MAK) APP=PJLIB_UTIL app=pjlib-util $(subst /,$(HOST_PSEP),$(LIBDIR)/$@)
 
 pjlib-util-test: $(UTIL_TEST_EXE)
-$(UTIL_TEST_EXE): $(PJLIB_UTIL_LIB)
-	$(MAKE) -f $(RULES_MAK) APP=UTIL_TEST app=pjlib-util-test $(UTIL_TEST_EXE)
+$(UTIL_TEST_EXE): $(PJLIB_UTIL_LIB) $(PJLIB_UTIL_SONAME)
+	$(MAKE) -f $(RULES_MAK) APP=UTIL_TEST app=pjlib-util-test $(subst /,$(HOST_PSEP),$(BINDIR)/$@)
 
-.PHONY: ../lib/pjlib-util.ko
-../lib/pjlib-util.ko:
+.PHONY: pjlib-util.ko
+pjlib-util.ko:
 	echo Making $@
-	$(MAKE) -f $(RULES_MAK) APP=PJLIB_UTIL app=pjlib-util $@
+	$(MAKE) -f $(RULES_MAK) APP=PJLIB_UTIL app=pjlib-util $(subst /,$(HOST_PSEP),$(LIBDIR)/$@)
 
-.PHONY: ../lib/pjlib-util-test.ko
-../lib/pjlib-util-test.ko:
-	$(MAKE) -f $(RULES_MAK) APP=UTIL_TEST app=pjlib-util-test $@
+.PHONY: pjlib-util-test.ko
+pjlib-util-test.ko:
+	$(MAKE) -f $(RULES_MAK) APP=UTIL_TEST app=pjlib-util-test $(subst /,$(HOST_PSEP),$(LIBDIR)/$@)
 
 clean:
 	$(MAKE) -f $(RULES_MAK) APP=PJLIB_UTIL app=pjlib-util $@
@@ -103,6 +118,5 @@ realclean:
 depend:
 	$(MAKE) -f $(RULES_MAK) APP=PJLIB_UTIL app=pjlib-util $@
 	$(MAKE) -f $(RULES_MAK) APP=UTIL_TEST app=pjlib-util-test $@
-	echo '$(UTIL_TEST_EXE): $(PJLIB_UTIL_LIB) $(PJLIB_LIB)' >> .pjlib-util-test-$(TARGET_NAME).depend; \
-
+	echo '$(BINDIR)/$(UTIL_TEST_EXE): $(LIBDIR)/$(PJLIB_UTIL_LIB) $(PJLIB_LIB)' >> .pjlib-util-test-$(TARGET_NAME).depend; \
 
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