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|
#-*- tab-width: 4; -*-
# ex:ts=4
#
# bsd.gcc.mk - Support for smarter USE_GCC usage.
#
# Created by: Edwin Groothuis <edwin@freebsd.org>
#
# To request the use of a current version of GCC, specify USE_GCC=yes in
# your port/system configuration. This is the preferred use of USE_GCC.
# It uses the canonical version of GCC defined in bsd.default-versions.mk.
#
# If your port needs a specific (minimum) version of GCC, you can easily
# specify that with a USE_GCC= statement. Unless absolutely necessary
# do so by specifying USE_GCC=X+ which requests at least GCC version X.
# To request a specific version omit the trailing + sign.
#
# Optionally comma-separated arguments follow the version specifier.
# Currently we support:
# build ... which adds GCC as a build dependency (BUILD_DEPENDS) only.
#
# If no arguments are specified, GCC is added as both a build dependency
# and a run time dependency.
#
#
# Examples:
# USE_GCC= yes # port requires a current version of GCC
# # as defined in bsd.default-versions.mk.
# USE_GCC= 11+ # port requires GCC 11 or later.
# USE_GCC= 9 # port requires GCC 9.
# USE_GCC= yes:build # port requires a current version of GCC at
# # build time only.
# USE_GCC= 10:build # port requires GCC 10 at build time only.
# USE_GCC= 11+:build # port requires GCC 11 or later at build
# # time only.
#
# If you are wondering what your port exactly does, use "make test-gcc"
# to see some debugging.
GCC_Include_MAINTAINER= gerald@FreeBSD.org
# All GCC versions supported by this framework.
#
# When updating this, keep Mk/bsd.default-versions.mk in sync.
GCCVERSIONS= 4.8 8 9 10 11 12
# No configurable parts below this. ####################################
#
# Split arguments
.if defined(USE_GCC)
__USE_GCC:= ${USE_GCC:C/\:.*//}
_USE_GCC_ARGS:= ${USE_GCC:C/^[^\:]*(\:|\$)//:S/,/ /g}
USE_GCC= ${__USE_GCC}
.endif
.if ${_USE_GCC_ARGS:Mbuild}
_USE_GCC_ARGS:= ${_USE_GCC_ARGS:Nbuild}
.else
_USE_GCC_RUN_DEPENDS= yes
.endif
.if !empty(_USE_GCC_ARGS)
IGNORE= bad target specification in USE_GCC; only "build" is supported
.endif
.if defined(USE_GCC) && !defined(FORCE_BASE_CC_FOR_TESTING)
# Handle USE_GCC=yes.
.if ${USE_GCC} == yes
USE_GCC= ${GCC_DEFAULT}+
.endif
# See if we can use a later version or exclusively the one specified.
_USE_GCC:= ${USE_GCC:S/+//}
.if ${USE_GCC} != ${_USE_GCC}
_GCC_ORLATER:= true
.endif
# See whether we have the specific version requested installed already
# and save that into _GCC_FOUND. In parallel, check if USE_GCC refers
# to a valid version to begin with.
.for v in ${GCCVERSIONS}
. if ${_USE_GCC} == ${v}
_GCCVERSION_OKAY= true
. if exists(${LOCALBASE}/bin/gcc${v:S/.//})
_GCC_FOUND:= ${_USE_GCC}
. endif
. endif
.endfor
.if !defined(_GCCVERSION_OKAY)
IGNORE= Unknown version of GCC specified (USE_GCC=${USE_GCC})
.endif
# If the GCC package defined in USE_GCC does not exist, but a later
# version is allowed (for example 8+), go and use the default.
.if defined(_GCC_ORLATER)
. if !defined(_GCC_FOUND) && ${_USE_GCC} < ${GCC_DEFAULT}
_USE_GCC:= ${GCC_DEFAULT}
. endif
.endif # defined(_GCC_ORLATER)
# A concrete version has been selected. Set proper ports dependencies,
# CC, CXX, CPP, and flags.
V:= ${_USE_GCC:S/.//}
. if ${V} == 12
_GCC_PORT:= gcc${V}-devel
. else
_GCC_PORT:= gcc${V}
. endif
CC:= gcc${V}
CXX:= g++${V}
CPP:= cpp${V}
_GCC_RUNTIME:= ${LOCALBASE}/lib/gcc${V}
. if ${PORTNAME} == gcc
# We don't want the rpath stuff while building GCC itself
# so we do not set the FLAGS as done in the else part.
# When building a GCC, we want the target libraries to be used and not the
# host GCC libraries.
. else
CFLAGS+= -Wl,-rpath=${_GCC_RUNTIME}
CXXFLAGS+= -Wl,-rpath=${_GCC_RUNTIME}
LDFLAGS+= -Wl,-rpath=${_GCC_RUNTIME} -L${_GCC_RUNTIME}
. endif
.undef V
# Now filter unsupported flags for CC and CXX.
CFLAGS:= ${CFLAGS:N-mretpoline}
CXXFLAGS:= ${CXXFLAGS:N-mretpoline}
.if defined(_GCC_PORT)
BUILD_DEPENDS+= ${CC}:lang/${_GCC_PORT}
. if defined(_USE_GCC_RUN_DEPENDS)
RUN_DEPENDS+= ${CC}:lang/${_GCC_PORT}
. endif
# GCC ports already depend on binutils; make sure whatever we build
# leverages this as well.
USE_BINUTILS= yes
.endif
.endif # defined(_USE_GCC) && !defined(FORCE_BASE_CC_FOR_TESTING)
test-gcc:
@echo USE_GCC=${USE_GCC}
.if defined(IGNORE)
@echo "IGNORE: ${IGNORE}"
.else
.if defined(USE_GCC)
.if defined(_GCC_ORLATER)
@echo Port can use later versions.
.else
@echo Port cannot use later versions.
.endif
@echo Using GCC version ${_USE_GCC}
.endif
@echo CC=${CC} - CXX=${CXX} - CPP=${CPP}
@echo CFLAGS=\"${CFLAGS}\"
@echo CXXFLAGS=\"${CXXFLAGS}\"
@echo LDFLAGS=\"${LDFLAGS}\"
@echo "BUILD_DEPENDS=${BUILD_DEPENDS}"
@echo "RUN_DEPENDS=${RUN_DEPENDS}"
.endif
|
