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Makefile: Generate build_cfg.h without echo -ne

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Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2022-03-09 22:15:09 +09:00
parent 24b1fd9b22
commit ca04d8c9f4
1 changed files with 3 additions and 3 deletions
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6
Makefile
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@ -38,7 +38,7 @@ CFLAGS := -O2 -Wall -g -Wundef -Werror=strict-prototypes -fno-common -fno-PIE \
CFG :=
ifeq ($(RELEASE),1)
CFG += \#define RELEASE\\n
CFG += RELEASE
endif
# Required for no_std + alloc for now
@ -46,7 +46,7 @@ export RUSTUP_TOOLCHAIN=nightly
RUST_LIB := librust.a
RUST_LIBS :=
ifeq ($(CHAINLOADING),1)
CFG += \#define CHAINLOADING\\n
CFG += CHAINLOADING
RUST_LIBS += $(RUST_LIB)
endif
@ -178,7 +178,7 @@ update_tag:
update_cfg:
@mkdir -p build
@echo -ne "$(CFG)" > build/build_cfg.tmp
@for i in $(CFG); do echo "#define $$i"; done > build/build_cfg.tmp
@cmp -s build/build_cfg.h build/build_cfg.tmp 2>/dev/null || \
( mv -f build/build_cfg.tmp build/build_cfg.h && echo " CFG build/build_cfg.h" )