atrtp

commit 56cc33e1deba40d90b9f82a8266580a137f7fc7f
parent 9b147fa4e5e3af56720777c7e6e1854b2b3f5714
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Tue, 31 Oct 2023 10:29:07 +0100

Partially link static library object files

Make hidden symbols local to the relocatable object to avoid conflicts
with internal symbols in another static library. In release mode, delete
all symbols not required for relocation processing, but keep them in
debug mode.

Diffstat:
M
Makefile
 | 
9
+++++++--
M
config.mk
 | 
6
++++++

2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
@@ -43,10 +43,14 @@ $(DEP) $(OBJ): config.mk
 $(LIBNAME_SHARED): $(OBJ)
 	$(CC) $(CFLAGS) $(RSYS_CFLAGS) -o $@ $(OBJ) $(LDFLAGS) $(SOFLAGS) $(RSYS_LIBS)
 
-$(LIBNAME_STATIC): $(OBJ)
+$(LIBNAME_STATIC): libatrtp.o
 	$(AR) -rc $@ $?
 	$(RANLIB) $@
 
+libatrtp.o: $(OBJ)
+	$(LD) -r $(OBJ) -o $@
+	$(OBJCOPY) $(OCPFLAGS) $@
+
 .config: config.mk
 	@if ! $(PKG_CONFIG) --atleast-version $(RSYS_VERSION) rsys; then \
 	  echo "rsys $(RSYS_VERSION) not found" >&2; exit 1; fi
@@ -97,7 +101,8 @@ uninstall:
 all: build_library build_tests
 
 clean: clean_test
-	rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME) .config .test atrtp.pc atrtp-local.pc
+	rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME)
+	rm -f .config .test libatrtp.o atrtp.pc atrtp-local.pc
 
 distclean: clean
 	rm -f $(DEP) $(TEST_DEP)
diff --git a/config.mk b/config.mk
@@ -12,6 +12,8 @@ BUILD_TYPE = RELEASE
 ################################################################################
 AR = ar
 CC = cc
+LD = ld
+OBJCOPY = objcopy
 PKG_CONFIG = pkg-config
 RANLIB = ranlib
 
@@ -58,3 +60,7 @@ SOFLAGS = -shared -Wl,--no-undefined
 LDFLAGS_DEBUG =
 LDFLAGS_RELEASE = -s
 LDFLAGS = $(LDFLAGS_$(BUILD_TYPE))
+
+OCPFLAGS_DEBUG = --localize-hidden
+OCPFLAGS_RELEASE = --localize-hidden --strip-unneeded
+OCPFLAGS = $(OCPFLAGS_$(BUILD_TYPE))