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# $FreeBSD$
# Setup variables for the compiler
#
# COMPILTER_TYPE is the major type of compiler. Currently gcc and clang support
# automatic detetion. Other compiler types can be shoe-horned in, but require explicit
# setting of the compiler type. The compiler type can also be set explicitly if, say,
# you install gcc as clang...
#
# COMPILER_VERSION is a numeric constant equal to major * 10000 + minor * 100 + tiny. It
# too can be overriden on the command line. When testing it, be sure to make sure that you
# are limiting the test to a specific compiler. Testing against 30300 for gcc likely isn't
# what you wanted (since versions of gcc prior to 4.2 likely have no prayer of working).
#
# COMPILER_FEATURES will contain one or more of the following, based on compiler support
# for that feature: c++11 (supports full (or nearly full) C++11 programming environment).
#
# This file may be included multiple times, but only has effect the first time.
#
.if !target(__<bsd.compiler.mk>__)
__<bsd.compiler.mk>__:
.if ${MACHINE} == "common"
COMPILER_TYPE= none
COMPILER_VERSION= 0
.else
_v!= ${CC} --version 2>/dev/null || echo 0.0.0
.endif
.if !defined(COMPILER_TYPE)
. if ${CC:T:M*gcc*}
COMPILER_TYPE:= gcc
. elif ${CC:T:M*clang*}
COMPILER_TYPE:= clang
. elif ${_v:Mgcc}
COMPILER_TYPE:= gcc
. elif ${_v:M\(GCC\)}
COMPILER_TYPE:= gcc
. elif ${_v:Mclang}
COMPILER_TYPE:= clang
. else
.error Unable to determine compiler type for ${CC}. Consider setting COMPILER_TYPE.
. endif
.endif
.if !defined(COMPILER_VERSION)
COMPILER_VERSION!=echo ${_v:M[1-9].[0-9]*} | awk -F. '{print $$1 * 10000 + $$2 * 100 + $$3;}'
.endif
.undef _v
.if ${COMPILER_TYPE} == "clang" || \
(${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 40800)
COMPILER_FEATURES= c++11
.else
COMPILER_FEATURES=
.endif
.endif # !target(__<bsd.compiler.mk>__)
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