commit 6af803dcfefe89efafb130cbfbfc591593fb2489
parent 5d9f325555ed24599841dcc0578475f88649a3ad
Author: Vincent Forest <vincent.forest@meso-star.com>
Date: Fri, 27 Oct 2023 11:37:51 +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) $(RSYS_CFLAGS) -o $@ $(OBJ) $(LDFLAGS) $(SOFLAGS) $(RSYS_LIBS)
-$(LIBNAME_STATIC): $(OBJ)
+$(LIBNAME_STATIC): libsmsh.o
$(AR) -rc $@ $?
$(RANLIB) $@
+libsmsh.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 smsh.pc smsh-local.pc
+ rm -f $(OBJ) $(TEST_OBJ) $(LIBNAME)
+ rm -f .config .test libsmsh.o smsh.pc smsh-local.pc
rm -f test_file.smsh
distclean: clean
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))
