liz/flipperzero-firmware
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[FL-1241] Build optimization (#459)

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* Makefile: enable space optimization with debug, cleanup double includes, explicitly define cpp runtime options
* Toolchain: add printf support
* Toolchain: explicit standard declaration
This commit is contained in:
あく
2021-05-12 10:59:20 +03:00
committed by GitHub
parent aa24484b99
commit 3671c68b79
3 changed files with 10 additions and 9 deletions
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17
make/toolchain.mk
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@@ -6,8 +6,8 @@ PREFIX = $(GCC_PATH)/$(PREFIX)
endif
endif
CC = $(PREFIX)gcc
CPP = $(PREFIX)g++
CC = $(PREFIX)gcc -std=gnu17
CPP = $(PREFIX)g++ -std=gnu++17
LD = $(PREFIX)g++
AS = $(PREFIX)gcc -x assembler-with-cpp
CP = $(PREFIX)objcopy
@@ -16,12 +16,15 @@ HEX = $(CP) -O ihex
BIN = $(CP) -O binary -S
DEBUG ?= 1
COMPACT ?= 0
ifeq ($(DEBUG), 1)
CFLAGS += -DDEBUG -g
CFLAGS += -DDEBUG -Og -g
else ifeq ($(COMPACT), 1)
CFLAGS += -DNDEBUG -DLFS_NO_ASSERT -Os
else
CFLAGS += -DNDEBUG -Os
CFLAGS += -DNDEBUG -DLFS_NO_ASSERT -Og
endif
CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
CPPFLAGS += -fno-threadsafe-statics
LDFLAGS += -Wl,-Map=$(OBJ_DIR)/$(PROJECT).map,--cref -Wl,--gc-sections -Wl,--undefined=uxTopUsedPriority
CFLAGS += -fdata-sections -ffunction-sections -fno-math-errno -fstack-usage -MMD -MP -MF"$(@:%.o=%.d)"
CPPFLAGS += -fno-threadsafe-statics -fno-use-cxa-atexit -fno-exceptions -fno-rtti
LDFLAGS += -Wl,-Map=$(OBJ_DIR)/$(PROJECT).map,--cref -Wl,--gc-sections -Wl,--undefined=uxTopUsedPriority -u _printf_float