commit 2673d91e9cff6877579b5f0a1552d5b9ed8fbb02
parent 17042201e367e65f96b3561cac215a8a92f3214c
Author: Vincent Forest <vincent.forest@meso-star.com>
Date: Fri, 27 Oct 2023 14:22:14 +0200
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 for... debugging purposes.
Diffstat:
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
@@ -47,10 +47,14 @@ $(DEP) $(OBJ): config.mk
$(LIBNAME_SHARED): $(OBJ)
$(CC) $(CFLAGS) $(RSYS_CFLAGS) -o $@ $(OBJ) $(LDFLAGS) $(SOFLAGS) $(RSYS_LIBS) -lm
-$(LIBNAME_STATIC): $(OBJ)
+$(LIBNAME_STATIC): libs3dut.o
$(AR) -rc $@ $?
$(RANLIB) $@
+libs3dut.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
@@ -100,7 +104,8 @@ uninstall:
all: build_library build_tests
clean: clean_test
- rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME) .config .test s3dut.pc s3dut-local.pc
+ rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME)
+ rm -f .config .test libs3dut.o s3dut.pc s3dut-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))
