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further refine check_gcc usage so it is only called the bare min number of times
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11
Rules.mak
11
Rules.mak
@ -106,8 +106,11 @@ ifeq ($(filter $(noconfig_targets),$(MAKECMDGOALS)),)
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endif
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# A nifty macro to make testing gcc features easier
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check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
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then echo "$(1)"; else echo "$(2)"; fi)
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check_gcc=$(shell \
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if [ "$(1)" != "" ]; then \
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if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
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then echo "$(1)"; else echo "$(2)"; fi \
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fi)
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# Setup some shortcuts so that silent mode is silent like it should be
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ifeq ($(subst s,,$(MAKEFLAGS)),$(MAKEFLAGS))
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@ -124,7 +127,7 @@ endif
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# for OPTIMIZATION...
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# use '-Os' optimization if available, else use -O2
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OPTIMIZATION:=${call check_gcc,-Os,-O2}
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OPTIMIZATION:=$(call check_gcc,-Os,-O2)
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# Some nice architecture specific optimizations
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ifeq ($(strip $(TARGET_ARCH)),arm)
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@ -136,7 +139,7 @@ ifeq ($(strip $(TARGET_ARCH)),i386)
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OPTIMIZATION+=$(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,\
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-malign-functions=0 -malign-jumps=0 -malign-loops=0)
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endif
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OPTIMIZATIONS=$(OPTIMIZATION) -fomit-frame-pointer
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OPTIMIZATIONS:=$(OPTIMIZATION) -fomit-frame-pointer
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#
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#--------------------------------------------------------
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