commit 96c51f0d8f244fd2d09ae2b4215d9eca8a29c62a
parent fe1793ff987d46678ed918aa42ce625dfea9a8f2
Author: Vincent Forest <vincent.forest@meso-star.com>
Date: Thu, 19 Oct 2023 11:05:22 +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.
Diffstat:
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
@@ -42,10 +42,14 @@ $(DEP) $(OBJ): config.mk
$(LIBNAME_SHARED): $(OBJ)
$(CC) $(CFLAGS) $(DPDC_CFLAGS) -o $@ $(OBJ) $(LDFLAGS) $(SOFLAGS) $(DPDC_LIBS)
-$(LIBNAME_STATIC): $(OBJ)
+$(LIBNAME_STATIC): libs3dstl.o
$(AR) -rc $@ $?
$(RANLIB) $@
+libs3dstl.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
@@ -104,7 +108,8 @@ uninstall:
all: build_library build_tests
clean: clean_test
- rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME) .config .test s3dstl.pc s3dstl-local.pc
+ rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME)
+ rm -f .config .test libs3dstl.o s3dstl.pc s3dstl-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
@@ -68,3 +70,7 @@ 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))