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https://github.com/freebsd/freebsd-src
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Use CPUTYPE to add appropriate compiler flags to COPTFLAGS for kernel
builds. This may be disabled using the NO_CPU_COPTFLAGS variable. Reviewed by: arch
This commit is contained in:
Kris Kennaway
parent
dda83222fc
commit
5ca7924a91
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=74146
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@ -29,6 +29,7 @@
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#
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#CPUTYPE=i686
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#NO_CPU_CFLAGS= true # Don't add -march=<cpu> to CFLAGS automatically
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#NO_CPU_COPTFLAGS=true # Don't add -march=<cpu> to COPTFLAGS automatically
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#
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# CFLAGS controls the compiler settings used when compiling C code.
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# Note that optimization settings above -O (-O2, ...) are not recommended
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@ -29,6 +29,7 @@
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#
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#CPUTYPE=i686
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#NO_CPU_CFLAGS= true # Don't add -march=<cpu> to CFLAGS automatically
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#NO_CPU_COPTFLAGS=true # Don't add -march=<cpu> to COPTFLAGS automatically
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#
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# CFLAGS controls the compiler settings used when compiling C code.
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# Note that optimization settings above -O (-O2, ...) are not recommended
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@ -28,48 +28,54 @@ CPUTYPE = k7
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# after /etc/make.conf so it can react to the local value of CPUTYPE
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# defined therein.
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.if !defined(NO_CPU_CFLAGS)
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.if !defined(NO_CPU_CFLAGS) || !defined(NO_CPU_COPTFLAGS)
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. if ${MACHINE_ARCH} == "i386"
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. if ${CPUTYPE} == "k7"
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CFLAGS += -march=k6 # gcc doesn't support athlon yet, but it will
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_CPUCFLAGS = -march=k6 # gcc doesn't support athlon yet, but it will
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. elif ${CPUTYPE} == "k6-2"
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CFLAGS += -march=k6
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_CPUCFLAGS = -march=k6
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. elif ${CPUTYPE} == "k6"
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CFLAGS += -march=k6
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_CPUCFLAGS = -march=k6
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. elif ${CPUTYPE} == "k5"
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CFLAGS += -march=pentium
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_CPUCFLAGS = -march=pentium
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. elif ${CPUTYPE} == "p4"
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CFLAGS += -march=pentiumpro
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_CPUCFLAGS = -march=pentiumpro
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. elif ${CPUTYPE} == "p3"
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CFLAGS += -march=pentiumpro
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_CPUCFLAGS = -march=pentiumpro
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. elif ${CPUTYPE} == "p2"
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CFLAGS += -march=pentiumpro
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_CPUCFLAGS = -march=pentiumpro
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. elif ${CPUTYPE} == "i686"
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CFLAGS += -march=pentiumpro
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_CPUCFLAGS = -march=pentiumpro
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. elif ${CPUTYPE} == "i586/mmx"
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CFLAGS += -march=pentium
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_CPUCFLAGS = -march=pentium
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. elif ${CPUTYPE} == "i586"
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CFLAGS += -march=pentium
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_CPUCFLAGS = -march=pentium
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. elif ${CPUTYPE} == "i486"
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CFLAGS += -m486
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_CPUCFLAGS = -m486
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. endif
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. elif ${MACHINE_ARCH} == "alpha"
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. if ${CPUTYPE} == "ev6"
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CFLAGS += -mcpu=ev6
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_CPUCFLAGS = -mcpu=ev6
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. elif ${CPUTYPE} == "pca56"
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CFLAGS += -mcpu=pca56
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_CPUCFLAGS = -mcpu=pca56
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. elif ${CPUTYPE} == "ev56"
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CFLAGS += -mcpu=ev56
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_CPUCFLAGS = -mcpu=ev56
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. elif ${CPUTYPE} == "ev5"
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CFLAGS += -mcpu=ev5
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_CPUCFLAGS = -mcpu=ev5
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. elif ${CPUTYPE} == "ev45"
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CFLAGS += -mcpu=ev4 # No -mcpu=ev45 for gcc
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_CPUCFLAGS = -mcpu=ev4 # No -mcpu=ev45 for gcc
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. elif ${CPUTYPE} == "ev4"
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CFLAGS += -mcpu=ev4
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_CPUCFLAGS = -mcpu=ev4
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. endif
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. endif
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.endif
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# NB: COPTFLAGS is handled in /usr/src/sys/conf/Makefile.<arch>
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.if !defined(NO_CPU_CFLAGS)
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CFLAGS += ${_CPUCFLAGS}
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.endif
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# Set up the list of CPU features based on the CPU type. This is an
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# unordered list to make it easy for client makefiles to test for the
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# presence of a CPU feature.
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@ -37,7 +37,10 @@ M= ${MACHINE_ARCH}
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SIZE?= size
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OBJCOPY?= objcopy
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COPTFLAGS?=-O
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COPTFLAGS?=-O -pipe
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.if !defined(NO_CPU_COPTFLAGS)
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COPTFLAGS+= ${_CPUCFLAGS}
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.endif
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INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev
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# This hack is to allow kernel compiles to succeed on machines w/out srcdist
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.if exists($S/../include)
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@ -37,7 +37,10 @@ M= ${MACHINE_ARCH}
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SIZE?= size
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OBJCOPY?= objcopy
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COPTFLAGS?=-O
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COPTFLAGS?=-O -pipe
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.if !defined(NO_CPU_COPTFLAGS)
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COPTFLAGS+= ${_CPUCFLAGS}
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.endif
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INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev
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# This hack is to allow kernel compiles to succeed on machines w/out srcdist
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.if exists($S/../include)
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@ -47,7 +47,10 @@ M= ${MACHINE_ARCH}
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SIZE?= size
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OBJCOPY?= objcopy
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COPTFLAGS?=-O
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COPTFLAGS?=-O -pipe
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.if !defined(NO_CPU_COPTFLAGS)
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COPTFLAGS+= ${_CPUCFLAGS}
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.endif
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INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev
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# This hack is to allow kernel compiles to succeed on machines w/out srcdist
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.if exists($S/../include)
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@ -39,7 +39,10 @@ M= ${MACHINE_ARCH}
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SIZE?= size
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OBJCOPY?= objcopy
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COPTFLAGS?=-O
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COPTFLAGS?=-O -pipe
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.if !defined(NO_CPU_COPTFLAGS)
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COPTFLAGS+= ${_CPUCFLAGS}
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.endif
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INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev
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# This hack is to allow kernel compiles to succeed on machines w/out srcdist
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.if exists($S/../include)
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@ -37,7 +37,10 @@ M= ${MACHINE_ARCH}
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SIZE?= size
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OBJCOPY?= objcopy
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COPTFLAGS?=-O
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COPTFLAGS?=-O -pipe
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.if !defined(NO_CPU_COPTFLAGS)
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COPTFLAGS+= ${_CPUCFLAGS}
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.endif
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INCLUDES= -nostdinc -I- ${INCLMAGIC} -I. -I$S -I$S/dev
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# This hack is to allow kernel compiles to succeed on machines w/out srcdist
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.if exists($S/../include)
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