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Add a new form of USE_GCC, USE_GCC=yes, which generically requests

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a current version of GCC.  This reduces churn for individual ports
and further increases consistency (in line with a canonical version
that we introduced with GCC_DEFAULT_VERSION earlier on and the older
USE_FORTRAN=yes).

On the way, make some comments more consistent.

Discussed with:	linimon
This commit is contained in:
Gerald Pfeifer 2012-12-22 21:35:35 +00:00
parent 2d250bb95e
commit 4de6b07579
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=309406
1 changed files with 14 additions and 4 deletions
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18
Mk/bsd.gcc.mk
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@ -5,14 +5,20 @@
#
# Created by: Edwin Groothuis <edwin@freebsd.org>
#
# For port developers:
# 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 defines a canonical, default version of GCC; the same version of
# GCC is also implied by USE_FORTRAN=yes.
#
# 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.Y+" which requests at least GCC version
# specify that with a USE_GCC= statement. Unless absolutely necessary
# do so by specifying USE_GCC=X.Y+ which requests at least GCC version
# X.Y. To request a specific version omit the trailing + sign. Use of
# a Fortran compiler is declared by the USE_FORTRAN knob, not USE_GCC.
#
# Examples:
# USE_GCC= yes # port requires a current version of GCC
# # (4.6 as of today, subject to change).
# USE_GCC= 4.2+ # port requires GCC 4.2 or later.
# USE_GCC= 4.7 # port requires GCC 4.7.
#
@ -54,6 +60,10 @@ GCC_DEFAULT_V= ${GCC_DEFAULT_VERSION:S/.//}
# No configurable parts below this. ####################################
#
.if ${USE_GCC} == yes
USE_GCC= ${GCC_DEFAULT_VERSION}+
.endif
# Extract the fields from GCCVERSION_...
.for v in ${GCCVERSIONS}
. for j in ${GCCVERSION_${v}}
@ -104,7 +114,7 @@ MAKE_ENV+= F77="${F77}" FC="${FC}" FFLAGS="${FFLAGS}"
. if ${USE_GCC} == any
# enable the clang-is-cc workaround. default to the last gcc imported
# Enable the clang-is-cc workaround. Default to the last GCC imported
# into base.
_USE_GCC:= 4.2
_GCC_ORLATER:= true