star-vx

commit 8bd370eaf87fbda8bb8e73751df604328ae22e23
parent bc13af1357652128087a499a794ac1dce899c377
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Wed, 11 Oct 2023 15:52:03 +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:
M
Makefile
 | 
6
+++++-
M
config.mk
 | 
8
+++++---

2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/Makefile b/Makefile
@@ -50,10 +50,14 @@ $(DEP) $(OBJ): config.mk
 $(LIBNAME_SHARED): $(OBJ)
 	$(CC) $(CFLAGS) $(RSYS_CFLAGS) -o $@ $(OBJ) $(LDFLAGS) $(SOFLAGS) $(RSYS_LIBS) -lm
 
-$(LIBNAME_STATIC): $(OBJ)
+$(LIBNAME_STATIC): libsvx.o
 	$(AR) -rc $@ $?
 	$(RANLIB) $@
 
+libsvx.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
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
 
@@ -55,6 +57,6 @@ CFLAGS = $(CFLAGS_$(BUILD_TYPE))
 ################################################################################
 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))