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build: use full paths for generated libraries

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This change modifies the build rules for static libraries so that
individual rules which use those libraries depend directly on the
archive files that are generated, rather than their phony target aliases
and `-lX` link flags.

The goal of this is to clean up Make's view of the dependencies between
files, avoiding phony targets (which do not honour timestamps) making
their way into intermediate dependencies.

Change-Id: I96d655fcd94dc259ffa6e8970b2be7b8c7e11123
Signed-off-by: Chris Kay <chris.kay@arm.com>
This commit is contained in:
Chris Kay 2024-09-03 12:36:33 +00:00
parent 4ec2948fe3
commit 6e6228181e
4 changed files with 5 additions and 5 deletions
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2
Makefile
View file

@ -1736,7 +1736,7 @@ else
$(q)set MAKEFLAGS= && ${MSVC_NMAKE} /nologo /f ${FIPTOOLPATH}/Makefile.msvc FIPTOOLPATH=$(subst /,\,$(FIPTOOLPATH)) FIPTOOL=$(subst /,\,$(FIPTOOL))
endif #(UNIX_MK)
romlib.bin: libraries FORCE
$(BUILD_PLAT)/romlib/romlib.bin $(BUILD_PLAT)/lib/libwrappers.a $&: $(BUILD_PLAT)/lib/libmbedtls.a $(BUILD_PLAT)/lib/libfdt.a $(BUILD_PLAT)/lib/libc.a
$(q)${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES=$(call escape-shell,$(INCLUDES)) DEFINES=$(call escape-shell,$(DEFINES)) --no-print-directory -C ${ROMLIBPATH} all
memmap: all

2
lib/romlib/Makefile
View file

@ -12,7 +12,7 @@ ROMLIB_GEN = ./romlib_generator.py
BUILD_DIR = $(BUILD_PLAT)/romlib
LIB_DIR = $(BUILD_PLAT)/lib
WRAPPER_DIR = $(BUILD_PLAT)/libwrapper
LIBS = -lmbedtls -lfdt -lc
LIBS = $(LIB_DIR)/libmbedtls.a $(LIB_DIR)/libfdt.a $(LIB_DIR)/libc.a
INC = $(INCLUDES:-I%=-I../../%)
PPFLAGS = $(INC) $(DEFINES) -P -x assembler-with-cpp -D__LINKER__ -MD -MP -MT $(BUILD_DIR)/romlib.ld
OBJS = $(BUILD_DIR)/jmptbl.o $(BUILD_DIR)/init.o

2
make_helpers/build_macros.mk
View file

@ -516,7 +516,7 @@ $(eval $(foreach source,$(DEFAULT_LINKER_SCRIPT_SOURCE) $(LINKER_SCRIPT_SOURCES)
$(eval BL_LDFLAGS := $($(BL)_LDFLAGS))
ifeq ($(USE_ROMLIB),1)
$(ELF): romlib.bin | $$$$(@D)/
$(ELF): $(BUILD_PLAT)/romlib/romlib.bin | $$$$(@D)/
endif
# MODULE_OBJS can be assigned by vendors with different compiled

4
plat/arm/board/juno/platform.mk
View file

@ -130,10 +130,10 @@ ifneq (${RESET_TO_BL31},0)
endif
ifeq ($(USE_ROMLIB),1)
all : bl1_romlib.bin
all: $(BUILD_PLAT)/bl1_romlib.bin
endif
bl1_romlib.bin : $(BUILD_PLAT)/bl1.bin romlib.bin
$(BUILD_PLAT)/bl1_romlib.bin: $(BUILD_PLAT)/bl1.bin $(BUILD_PLAT)/romlib/romlib.bin
$(s)echo "Building combined BL1 and ROMLIB binary for Juno $@"
./lib/romlib/gen_combined_bl1_romlib.sh -o bl1_romlib.bin $(BUILD_PLAT)