star-uvm

commit 93c9500b098375c9912a61a8b6c44ec6c61fbcde
parent 73c132afcd98c51b16777ff35eaee0aa3df45993
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Wed, 11 Oct 2023 16:38:05 +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
@@ -47,10 +47,14 @@ $(DEP) $(OBJ): config.mk
 $(LIBNAME_SHARED): $(OBJ)
 	$(CC) -std=c99 $(CFLAGS) $(DPDC_CFLAGS) -o $@ $(OBJ) $(LDFLAGS) $(SOFLAGS) $(DPDC_LIBS)
 
-$(LIBNAME_STATIC): $(OBJ)
+$(LIBNAME_STATIC): libsuvm.o
 	$(AR) -rc $@ $?
 	$(RANLIB) $@
 
+libsuvm.o: $(OBJ)
+	$(LD) -r $(OBJ) -o $@
+	$(OBJCOPY) $(OCPFLAGS) $@
+
 .config: config.mk
 	@if ! $(PKG_CONFIG) --atleast-version $(EMBREE_VERSION) embree4; then \
 	  echo "embree4 $(EMBREE_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
 
@@ -65,6 +67,6 @@ 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))