michaelh/zephyr
1
0
Fork 0
Code Releases Activity

build: create libzephyr.a and link it in instead of objects

Browse source 
Enabling building of the kernel archive as the first step towards
split kernel and app builds.
An application will be able to link against this archive in the final
step of the build process.

Change-Id: If0abc7002d19ca2ca10c7babd83fe1dc6fccebfa
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Anas Nashif 2015-12-06 19:27:22 -05:00 • committed by Andrew Boie
commit f4ed108ada
1 changed files with 6 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
Makefile
View file

@ -768,6 +768,10 @@ LINK_LIBS := $(foreach l,$(ALL_LIBS), -l$(l))
OUTPUT_FORMAT ?= elf32-i386
OUTPUT_ARCH ?= i386
libzephyr.a: $(zephyr-deps)
@rm -f $@
$(Q)$(AR) -rcT libzephyr.a $(KBUILD_ZEPHYR_MAIN)
quiet_cmd_create-lnk = LINK $@
cmd_create-lnk = \
( \
@ -780,8 +784,8 @@ quiet_cmd_create-lnk = LINK $@
echo "$(LINKFLAGPREFIX)--whole-archive"; \
echo "$(KBUILD_ZEPHYR_APP)"; \
echo "$(app-y)"; \
echo "libzephyr.a"; \
echo "$(LINKFLAGPREFIX)--no-whole-archive"; \
echo "$(KBUILD_ZEPHYR_MAIN)"; \
echo "$(objtree)/arch/$(ARCH)/core/offsets/offsets.o"; \
echo "$(LINKFLAGPREFIX)--end-group"; \
echo "$(LIB_INCLUDE_DIR) $(LINK_LIBS)"; \
@ -802,7 +806,7 @@ final-linker.cmd: $(zephyr-deps)
TMP_ELF = .tmp_$(KERNEL_NAME).prebuilt
$(TMP_ELF): $(zephyr-deps) $(KBUILD_ZEPHYR_APP) $(app-y) linker.cmd $(KERNEL_NAME).lnk
$(TMP_ELF): $(zephyr-deps) libzephyr.a $(KBUILD_ZEPHYR_APP) $(app-y) linker.cmd $(KERNEL_NAME).lnk
$(Q)$(CC) -T linker.cmd @$(KERNEL_NAME).lnk -o $@
quiet_cmd_gen_idt = SIDT $@