217 lines
6.2 KiB
Makefile
217 lines
6.2 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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# Created by: Edwin Groothuis <edwin@freebsd.org>
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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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# USE_GCC=any is similar, except that it also accepts the old GCC 4.2-
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# based system compiler in older versions of FreeBSD.
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#
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# If your port needs a specific (minimum) version of GCC, you can easily
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# specify that with a USE_GCC= statement. Unless absolutely necessary
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# do so by specifying USE_GCC=X+ which requests at least GCC version X.
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# To request a specific version omit the trailing + sign.
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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= any # port requires GCC 4.2 or later.
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# USE_GCC= 7+ # port requires GCC 7 or later.
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# USE_GCC= 6 # port requires GCC 6.
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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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#
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# $FreeBSD$
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GCC_Include_MAINTAINER= gerald@FreeBSD.org
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# All GCC versions supported by the ports framework. Keep them in
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# ascending order and in sync with the table below.
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# When adding a version, please keep the comment in
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# Mk/bsd.default-versions.mk in sync.
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GCCVERSIONS= 040200 040800 060000 070000 080000 090000
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# The first field is the OSVERSION in which it disappeared from the base.
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# The second field is the version as USE_GCC would use.
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GCCVERSION_040200= 9999999 4.2
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GCCVERSION_040800= 0 4.8
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GCCVERSION_060000= 0 6
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GCCVERSION_070000= 0 7
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GCCVERSION_080000= 0 8
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GCCVERSION_090000= 0 9
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# No configurable parts below this. ####################################
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#
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.if defined(USE_GCC) && ${USE_GCC} == yes
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USE_GCC= ${GCC_DEFAULT}+
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.endif
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# Extract the fields from GCCVERSION_...
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.for v in ${GCCVERSIONS}
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. for j in ${GCCVERSION_${v}}
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. if !defined(_GCCVERSION_${v}_R)
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_GCCVERSION_${v}_R= ${j}
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. elif !defined(_GCCVERSION_${v}_V)
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_GCCVERSION_${v}_V= ${j}
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. endif
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. endfor
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.endfor
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.if defined(USE_GCC) && !defined(FORCE_BASE_CC_FOR_TESTING)
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. if ${USE_GCC} == any
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# Enable the clang-is-cc workaround. Default to the last GCC imported
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# into base.
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_USE_GCC:= 4.2
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_GCC_ORLATER:= true
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. else # ${USE_GCC} == any
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# See if we can use a later version or exclusively the one specified.
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_USE_GCC:= ${USE_GCC:S/+//}
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.if ${USE_GCC} != ${_USE_GCC}
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_GCC_ORLATER:= true
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.endif
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. endif # ${USE_GCC} == any
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# Initialize _GCC_FOUND${v}. In parallel, check if USE_GCC points to a
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# valid version to begin with.
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.for v in ${GCCVERSIONS}
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. if exists(${LOCALBASE}/bin/gcc${_GCCVERSION_${v}_V:S/.//})
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_GCC_FOUND${v}= port
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. elif ${OSVERSION} < ${_GCCVERSION_${v}_R}
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. if exists(/usr/bin/gcc)
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_GCC_FOUND${v}= base
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. endif
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. endif
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. if ${_USE_GCC}==${_GCCVERSION_${v}_V}
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_GCCVERSION_OKAY= true
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. endif
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.endfor
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.if !defined(_GCCVERSION_OKAY)
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IGNORE= Unknown version of GCC specified (USE_GCC=${USE_GCC})
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.endif
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# If the GCC package defined in USE_GCC does not exist, but a later
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# version is allowed (for example 4.7+), see if there is a later.
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# First check if the base installed version is good enough, otherwise
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# get the first available version.
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#
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.if defined(_GCC_ORLATER)
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. for v in ${GCCVERSIONS}
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. if ${_USE_GCC} == ${_GCCVERSION_${v}_V}
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_GCC_MIN1:= true
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. endif
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. if defined(_GCC_MIN1) && defined(_GCC_FOUND${v}) && ${_GCC_FOUND${v}}=="base" && !defined(_GCC_FOUND)
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_GCC_FOUND:= ${_GCCVERSION_${v}_V}
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. endif
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. endfor
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. for v in ${GCCVERSIONS}
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. if ${_USE_GCC} == ${_GCCVERSION_${v}_V}
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_GCC_MIN2:= true
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. endif
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. if defined(_GCC_MIN2) && defined(_GCC_FOUND${v}) && !defined(_GCC_FOUND)
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_GCC_FOUND:= ${_GCCVERSION_${v}_V}
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. endif
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. endfor
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. if defined(_GCC_FOUND)
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_USE_GCC:= ${_GCC_FOUND}
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. elif ${_USE_GCC} < ${GCC_DEFAULT}
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_USE_GCC:= ${GCC_DEFAULT}
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. endif
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.endif # defined(_GCC_ORLATER)
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.endif # defined(USE_GCC)
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.if defined(_USE_GCC)
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# A concrete version has been selected. Determine if the installed OS
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# features this version in the base, and if not then set proper ports
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# dependencies, CC, CXX, CPP, and flags.
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.for v in ${GCCVERSIONS}
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. if ${_USE_GCC} == ${_GCCVERSION_${v}_V}
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. if ${OSVERSION} > ${_GCCVERSION_${v}_R} || !exists(/usr/bin/gcc)
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V:= ${_GCCVERSION_${v}_V:S/.//}
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_GCC_PORT_DEPENDS:= gcc${V}
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_GCC_PORT:= gcc${V}
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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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. else # Use GCC in base.
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CC:= gcc
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CXX:= g++
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. if exists(/usr/bin/gcpp)
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CPP:= gcpp
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. else
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CPP:= cpp
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. endif
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. endif # Use GCC in base.
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. endif # ${_USE_GCC} == ${_GCCVERSION_${v}_V}
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.endfor
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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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.if defined(_GCC_PORT_DEPENDS)
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BUILD_DEPENDS+= ${_GCC_PORT_DEPENDS}:lang/${_GCC_PORT}
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RUN_DEPENDS+= ${_GCC_PORT_DEPENDS}:lang/${_GCC_PORT}
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# Later GCC ports already depend on binutils; make sure whatever we
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# build leverages this as well.
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USE_BINUTILS= yes
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.endif
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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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.if defined(_GCC_ORLATER)
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@echo Port can use later versions.
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.else
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@echo Port cannot use later versions.
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.endif
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.for v in ${GCCVERSIONS}
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@echo -n "GCC version: ${_GCCVERSION_${v}_V} "
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.if defined(_GCC_FOUND${v})
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@echo -n "(${_GCC_FOUND${v}}) "
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.endif
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@echo "- OSVERSION up to ${_GCCVERSION_${v}_R}"
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# @echo ${v} - ${_GCC_FOUND${v}} - up to ${_GCCVERSION_${v}_R} - ${_GCCVERSION_${v}_V}
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.endfor
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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=\"${LDFLAGS}\"
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@echo "BUILD_DEPENDS=${BUILD_DEPENDS}"
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@echo "RUN_DEPENDS=${RUN_DEPENDS}"
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.endif
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