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Significantly simplify the logic to determine which port (or base version)

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of GCC to use based on the specification of USE_GCC.

This is based on the observation that we now only have a single version
of GCC in base, namely GCC 4.2, which is not in ports any longer.  And
we limit our choice to either the specific version requested or the
default version of GCC in the ports tree; i.e., we no longer consider
an installed port of any version in between (which is a fringe case
extremely few, if any, users would have experienced, and then only
outside a clean build environment in any case).

Streamline some debugging output accordingly.

Overall this removes some 25 lines of largely complex logic.
This commit is contained in:
Gerald Pfeifer 2020-02-22 10:15:04 +00:00
parent e4b9fd1f3b
commit 8b31f24443
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=526751
1 changed files with 10 additions and 37 deletions
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47
Mk/bsd.gcc.mk
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@ -82,18 +82,17 @@ _GCC_ORLATER:= true
. endif # ${USE_GCC} == any
# Initialize _GCC_FOUND${v}. In parallel, check if USE_GCC points to a
# valid version to begin with.
# 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 ${GCCVERSIONS}
. if exists(${LOCALBASE}/bin/gcc${_GCCVERSION_${v}_V:S/.//})
_GCC_FOUND${v}= port
. elif ${OSVERSION} < ${_GCCVERSION_${v}_R}
. if exists(/usr/bin/gcc)
_GCC_FOUND${v}= base
. endif
. endif
. if ${_USE_GCC}==${_GCCVERSION_${v}_V}
_GCCVERSION_OKAY= true
. if exists(${LOCALBASE}/bin/gcc${_GCCVERSION_${v}_V:S/.//})
_GCC_FOUND:= ${_USE_GCC}
. elif ${OSVERSION} < ${_GCCVERSION_${v}_R} && exists(/usr/bin/gcc)
_GCC_FOUND:= ${_USE_GCC}
. endif
. endif
.endfor
@ -102,31 +101,9 @@ IGNORE= Unknown version of GCC specified (USE_GCC=${USE_GCC})
.endif
# If the GCC package defined in USE_GCC does not exist, but a later
# version is allowed (for example 4.7+), see if there is a later.
# First check if the base installed version is good enough, otherwise
# get the first available version.
#
# version is allowed (for example 8+), go and use the default.
.if defined(_GCC_ORLATER)
. for v in ${GCCVERSIONS}
. if ${_USE_GCC} == ${_GCCVERSION_${v}_V}
_GCC_MIN1:= true
. endif
. if defined(_GCC_MIN1) && defined(_GCC_FOUND${v}) && ${_GCC_FOUND${v}}=="base" && !defined(_GCC_FOUND)
_GCC_FOUND:= ${_GCCVERSION_${v}_V}
. endif
. endfor
. for v in ${GCCVERSIONS}
. if ${_USE_GCC} == ${_GCCVERSION_${v}_V}
_GCC_MIN2:= true
. endif
. if defined(_GCC_MIN2) && defined(_GCC_FOUND${v}) && !defined(_GCC_FOUND)
_GCC_FOUND:= ${_GCCVERSION_${v}_V}
. endif
. endfor
. if defined(_GCC_FOUND)
_USE_GCC:= ${_GCC_FOUND}
. elif ${_USE_GCC} < ${GCC_DEFAULT}
. if !defined(_GCC_FOUND) && ${_USE_GCC} < ${GCC_DEFAULT}
_USE_GCC:= ${GCC_DEFAULT}
. endif
.endif # defined(_GCC_ORLATER)
@ -198,11 +175,7 @@ test-gcc:
.endif
.for v in ${GCCVERSIONS}
@echo -n "GCC version: ${_GCCVERSION_${v}_V} "
.if defined(_GCC_FOUND${v})
@echo -n "(${_GCC_FOUND${v}}) "
.endif
@echo "- OSVERSION up to ${_GCCVERSION_${v}_R}"
# @echo ${v} - ${_GCC_FOUND${v}} - up to ${_GCCVERSION_${v}_R} - ${_GCCVERSION_${v}_V}
.endfor
@echo Using GCC version ${_USE_GCC}
.endif