53 lines
1.4 KiB
Makefile
53 lines
1.4 KiB
Makefile
# $Id: cpuflags.mk,v 1.20 2009/01/28 23:30:50 abs Exp $
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# Makefile include fragment to simplify use of cpuflags in pkgsrc
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# abs@absd.org - freely distributable, no warrenties, stick no bills.
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# Try to optimise based on CPU
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# Does not affect any package that overrides CFLAGS/CXXFLAGS/CCOPTIONS
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# Sets five variables:
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#
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# CPU_FLAGS The output of cpuflags
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# CFLAGS Has CPU_FLAGS appended
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# CXXFLAGS Has CPU_FLAGS appended
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#
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# CPU_DIR CPU_FLAGS with spaces stripped (eg: for use in PACKAGES)
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.ifndef CPU_FLAGS
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. if exists(${.PARSEDIR}/cpuflags.sh)
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_CPUFLAGS_SH=${SH} ${.PARSEDIR}/cpuflags.sh
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. else
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_CPUFLAGS_SH=@PREFIX@/bin/cpuflags
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. endif
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. if defined(CCPATH)
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CPU_FLAGS!=${_CPUFLAGS_SH} ${CCPATH}
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. elif defined(BSD_PKG_MK) || ${USETOOLS:Uyes} == "no"
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CPU_FLAGS!=${_CPUFLAGS_SH} ${CC}
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. else
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CPU_FLAGS!=${_CPUFLAGS_SH}
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. endif
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_CPUFLAGS_SH=
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.endif # CPU_FLAGS
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.ifndef CPU_DIR
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CPU_DIR!=echo ${CPU_FLAGS} | sed 's/ //g'
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.endif
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.if !defined(MAKEFLAGS) || empty(MAKEFLAGS:MCPU_FLAGS)
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MAKEFLAGS+=CPU_FLAGS=${CPU_FLAGS:Q} CPU_DIR=${CPU_DIR:Q} # For sub makes
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.endif
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.ifdef BSD_PKG_MK # Try to catch various package opts
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CFLAGS+=${CPU_FLAGS}
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CXXFLAGS+=${CPU_FLAGS}
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MAKE_FLAGS+=CCOPTIONS="${CPU_FLAGS}" # Override CCOPTIONS for imake
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.elif !defined(IMAGESIZE) && ${DBG} != "-Os"
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# Assume in base system & not building space optimised distrib, set COPTS
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COPTS?=${CPU_FLAGS} ${DEFCOPTS}
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# Include ${DEFCOPTS} and set ?= to allow overriding in kernel builds
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.endif
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