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95ead803ed
We want to steer people towards current versions of GCC, so use GCC 12 in examples over GCC 10 and GCC 11 now that the default is GCC 13.
138 lines
3.7 KiB
Makefile
138 lines
3.7 KiB
Makefile
#-*- tab-width: 4; -*-
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# ex:ts=4
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#
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# bsd.gcc.mk - Support for smarter USE_GCC usage.
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#
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#
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# To request the use of a current version of GCC, specify USE_GCC=yes in
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# your port/system configuration. This is the preferred use of USE_GCC.
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# It uses the canonical version of GCC defined in bsd.default-versions.mk.
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#
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# If your port needs a specific version of GCC, you can instead specify
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# that using USE_GCC=X (where X is the version of GCC).
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#
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# Optionally comma-separated arguments follow the version specifier.
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# Currently we support:
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# build ... which adds GCC as a build dependency (BUILD_DEPENDS) only.
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#
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# If no arguments are specified, GCC is added as both a build dependency
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# and a run time dependency.
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#
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#
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# Examples:
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# USE_GCC= yes # port requires a current version of GCC
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# # as defined in bsd.default-versions.mk.
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# USE_GCC= 12 # port requires GCC 12.
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# USE_GCC= yes:build # port requires a current version of GCC at
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# # build time only.
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# USE_GCC= 12:build # port requires GCC 12 at build time only.
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#
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# If you are wondering what your port exactly does, use "make test-gcc"
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# to see some debugging.
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GCC_Include_MAINTAINER= gerald@FreeBSD.org
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# All GCC versions supported by this framework.
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#
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# When updating this, keep Mk/bsd.default-versions.mk in sync.
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GCCVERSIONS= 4.8 9 10 11 12 13 14
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# No configurable parts below this. ####################################
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#
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# Split arguments
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.if defined(USE_GCC)
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__USE_GCC:= ${USE_GCC:C/\:.*//}
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_USE_GCC_ARGS:= ${USE_GCC:C/^[^\:]*(\:|\$)//:S/,/ /g}
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USE_GCC= ${__USE_GCC}
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.endif
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.if ${_USE_GCC_ARGS:Mbuild}
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_USE_GCC_ARGS:= ${_USE_GCC_ARGS:Nbuild}
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.else
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_USE_GCC_RUN_DEPENDS= yes
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.endif
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.if !empty(_USE_GCC_ARGS)
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IGNORE= bad target specification in USE_GCC; only "build" is supported
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.endif
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.if defined(USE_GCC) && !defined(FORCE_BASE_CC_FOR_TESTING)
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# Handle USE_GCC=yes.
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. if ${USE_GCC} == yes
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USE_GCC= ${GCC_DEFAULT}
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. endif
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_USE_GCC:= ${USE_GCC}
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# See whether we have the specific version requested installed already
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# and save that into _GCC_FOUND. In parallel, check if USE_GCC refers
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# to a valid version to begin with.
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. for v in ${GCCVERSIONS}
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. if ${_USE_GCC} == ${v}
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_GCCVERSION_OKAY= true
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. if exists(${LOCALBASE}/bin/gcc${v:S/.//})
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_GCC_FOUND:= ${_USE_GCC}
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. endif
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. endif
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. endfor
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. if !defined(_GCCVERSION_OKAY)
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IGNORE= Unknown version of GCC specified (USE_GCC=${USE_GCC})
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. endif
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# A concrete version has been selected. Set proper ports dependencies,
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# CC, CXX, CPP, and flags.
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V:= ${_USE_GCC:S/.//}
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. if ${V} == 14
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_GCC_PORT:= gcc${V}-devel
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. else
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_GCC_PORT:= gcc${V}
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. endif
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CC:= gcc${V}
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CXX:= g++${V}
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CPP:= cpp${V}
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_GCC_RUNTIME:= ${LOCALBASE}/lib/gcc${V}
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. if ${PORTNAME} == gcc
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# We don't want the rpath stuff while building GCC itself
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# so we do not set the FLAGS as done in the else part.
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# When building a GCC, we want the target libraries to be used and not the
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# host GCC libraries.
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. else
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CFLAGS+= -Wl,-rpath=${_GCC_RUNTIME}
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CXXFLAGS+= -Wl,-rpath=${_GCC_RUNTIME}
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LDFLAGS+= -Wl,-rpath=${_GCC_RUNTIME} -L${_GCC_RUNTIME}
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. endif
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.undef V
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# Now filter unsupported flags for CC and CXX.
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CFLAGS:= ${CFLAGS:N-mretpoline}
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CXXFLAGS:= ${CXXFLAGS:N-mretpoline}
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BUILD_DEPENDS+= ${CC}:lang/${_GCC_PORT}
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. if defined(_USE_GCC_RUN_DEPENDS)
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RUN_DEPENDS+= ${CC}:lang/${_GCC_PORT}
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. endif
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# GCC ports already depend on binutils; make sure whatever we build
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# leverages this as well.
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USE_BINUTILS= yes
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.endif # defined(_USE_GCC) && !defined(FORCE_BASE_CC_FOR_TESTING)
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test-gcc:
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@echo USE_GCC=${USE_GCC}
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.if defined(IGNORE)
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@echo "IGNORE: ${IGNORE}"
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.else
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. if defined(USE_GCC)
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@echo Using GCC version ${_USE_GCC}
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. endif
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@echo CC=${CC} - CXX=${CXX} - CPP=${CPP}
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@echo CFLAGS=\"${CFLAGS}\"
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@echo CXXFLAGS=\"${CXXFLAGS}\"
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@echo LDFLAGS=\"${LDFLAGS}\"
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.endif
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