commit c72ef7410990aec4b72c20910b1fcd1dd4ffbefc
parent 53feb1c137831ae026b3d2d7b05aad673b94d473
Author: Vincent Forest <vincent.forest@meso-star.com>
Date: Fri, 27 Oct 2023 14:50:41 +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
@@ -65,10 +65,14 @@ $(DEP) $(OBJ): config.mk .simd
$(LIBNAME_SHARED): $(OBJ)
$(CC) $(CFLAGS) $(CFLAGS_SIMD) $(DPDC_CFLAGS) -o $@ $(OBJ) $(LDFLAGS) $(SOFLAGS) $(DPDC_LIBS)
-$(LIBNAME_STATIC): $(OBJ)
+$(LIBNAME_STATIC): libssf.o
$(AR) -rc $@ $?
$(RANLIB) $@
+libssf.o: $(OBJ)
+ $(LD) -r $(OBJ) -o $@
+ $(OBJCOPY) $(OCPFLAGS) $@
+
.config: config.mk .simd
@if [ "$(SIMD_WIDTH)" = "128" ] || [ "$(SIMD_WIDTH)" = "256" ]; then \
if ! $(PKG_CONFIG) --atleast-version $(RSIMD_VERSION) rsimd; then \
@@ -95,7 +99,8 @@ $(LIBNAME_STATIC): $(OBJ)
all: build_library build_tests
clean: clean_test
- rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME) .config .simd .test ssf.pc ssf-local.pc
+ rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME)
+ rm -f .config .simd .test libssf.o ssf.pc ssf-local.pc
distclean: clean
rm -f $(DEP) $(TEST_DEP)
diff --git a/config.mk b/config.mk
@@ -17,6 +17,8 @@ BUILD_TYPE = RELEASE
################################################################################
AR = ar
CC = cc
+LD = ld
+OBJCOPY = objcopy
PKG_CONFIG = pkg-config
RANLIB = ranlib
@@ -84,3 +86,7 @@ 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))
