commit 51e4481753953e10a3b361a3fbf40d048631dee0
parent 81fea4337720392a42488d54ec652e0241cecac0
Author: Vincent Forest <vincent.forest@meso-star.com>
Date: Sat, 14 Oct 2023 15:30:56 +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
@@ -42,10 +42,14 @@ $(DEP) $(OBJ): config.mk
$(LIBNAME_SHARED): $(OBJ)
$(CC) $(CFLAGS_SO) $(RSYS_CFLAGS) -o $@ $(OBJ) $(LDFLAGS_SO) $(RSYS_LIBS)
-$(LIBNAME_STATIC): $(OBJ)
+$(LIBNAME_STATIC): libsars.o
$(AR) -rc $@ $?
$(RANLIB) $@
+libsars.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
@@ -96,7 +100,8 @@ uninstall:
all: build_library build_tests
clean: clean_test
- rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME) .config .test sars.pc sars-local.pc
+ rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME)
+ rm -f .config .test libsars.o sars.pc sars-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
@@ -66,3 +68,7 @@ LDFLAGS_RELEASE = -s $(LDFLAGS_HARDENED)
LDFLAGS_SO = $(LDFLAGS_$(BUILD_TYPE)) -shared -Wl,--no-undefined
LDFLAGS_EXE = $(LDFLAGS_$(BUILD_TYPE)) -pie
+
+OCPFLAGS_DEBUG = --localize-hidden
+OCPFLAGS_RELEASE = --localize-hidden --strip-unneeded
+OCPFLAGS = $(OCPFLAGS_$(BUILD_TYPE))
