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Added gc-sections. Now unused functions are being garbage collected.

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This commit is contained in:
Piotr Esden-Tempski
2010-12-27 21:30:12 +01:00
parent 81045ff279
commit 600d8c3458
2 changed files with 8 additions and 5 deletions
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10
examples/Makefile.include
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@@ -26,11 +26,11 @@ OBJDUMP = $(PREFIX)-objdump
# Uncomment this line if you want to use the installed (not local) library.
# TOOLCHAIN_DIR = `dirname \`which $(CC)\``/../$(PREFIX)
TOOLCHAIN_DIR = ../../..
CFLAGS = -O0 -g -Wall -Wextra -I$(TOOLCHAIN_DIR)/include -fno-common \
-mcpu=cortex-m3 -mthumb
CFLAGS += -Os -g -Wall -Wextra -I$(TOOLCHAIN_DIR)/include -fno-common \
-mcpu=cortex-m3 -mthumb
LDSCRIPT = $(BINARY).ld
LDFLAGS = -L$(TOOLCHAIN_DIR)/lib -T$(LDSCRIPT) -nostartfiles
#LDFLAGS = -T$(LDSCRIPT) -nostartfiles
LDFLAGS += -L$(TOOLCHAIN_DIR)/lib -T$(LDSCRIPT) -nostartfiles \
-Wl,--gc-sections
OBJS += $(BINARY).o
OOCD ?= openocd
@@ -41,6 +41,8 @@ OOCD_BOARD ?= olimex_stm32_h103
ifneq ($(V),1)
Q := @
NULL := 2>/dev/null
else
LDFLAGS += -Wl,--print-gc-sections
endif
.SUFFIXES: .elf .bin .hex .srec .list .images