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|
# $FreeBSD$
#
# Allows to feature determine the compiler used
#
# MAINTAINER: portmgr@FreeBSD.org
#
# Feature: compiler
# Usage: USES=compiler or USES=compiler:ARGS
# Valid ARGS: env (default, implicit) c++11-lib c++11-lang c11 openmp features
#
# c++11-lang: The port need a compiler understanding C++11
# c++11-lib: The port need a compiler understanding C++11 and with a C++11 ready standard library
# c11: The port need a compiler understanding c11
# openmp: The port need a compiler understanding openmp
# features: The port will determine the features supported by the default compiler
#
# Variable to test after <bsd.port.pre.mk>
#
# COMPILER_TYPE: can be gcc or clang
# COMPILER_VERSION: 2 first digit of the version: 33 for clang 3.3.*, 46 for gcc 4.6.*
#
# COMPILER_FEATURES: the list of features supported by the compiler include the standard C++ library.
.if !defined(_INCLUDE_USES_COMPILER_MK)
_INCLUDE_USES_COMPILER_MK= yes
.if !defined(compiler_ARGS)
compiler_ARGS= env
.endif
VALID_ARGS= c++11-lib c++11-lang c11 features openmp env
.if ${compiler_ARGS} == c++11-lib
_COMPILER_ARGS+= features c++11-lib
.elif ${compiler_ARGS} == c++11-lang
_COMPILER_ARGS+= features c++11-lang
.elif ${compiler_ARGS} == c11
_COMPILER_ARGS+= features c11
.elif ${compiler_ARGS} == features
_COMPILER_ARGS+= features
.elif ${compiler_ARGS} == env
_COMPILER_ARGS+= env
.elif ${compiler_ARGS} == openmp
_COMPILER_ARGS+= env openmp
.else
IGNORE= Invalid argument "${compiler_ARGS}", valid arguments are: ${VALID_ARGS}
_COMPILER_ARGS= #
.endif
.if ${_COMPILER_ARGS:Mc++11*} || ${_COMPILER_ARGS:Mc11}
_COMPILER_ARGS+= features
.endif
_CCVERSION!= ${CC} --version
COMPILER_VERSION= ${_CCVERSION:M[0-9].[0-9]*:C/([0-9]).([0-9]).*/\1\2/g}
.if ${_CCVERSION:Mclang}
COMPILER_TYPE= clang
.else
COMPILER_TYPE= gcc
.endif
ALT_COMPILER_VERSION= 0
ALT_COMPILER_TYPE= none
_ALTCCVERSION=
.if ${COMPILER_TYPE} == gcc && exists(/usr/bin/clang)
_ALTCCVERSION!= /usr/bin/clang --version
.elif ${COMPILER_TYPE} == clang && exists(/usr/bin/gcc)
_ALTCCVERSION!= /usr/bin/gcc --version
.endif
ALT_COMPILER_VERSION= ${_ALTCCVERSION:M[0-9].[0-9]*:C/([0-9]).([0-9]).*/\1\2/g}
.if ${_ALTCCVERSION:Mclang}
ALT_COMPILER_TYPE= clang
.elif !empty(_ALTCCVERSION)
ALT_COMPILER_TYPE= gcc
.endif
.if ${_COMPILER_ARGS:Mopenmp}
.if ${COMPILER_TYPE} == clang
USE_GCC= yes
.endif
.endif
.if ${_COMPILER_ARGS:Mfeatures}
_CXXINTERNAL!= ${CXX} -\#\#\# /dev/null 2>&1
.if ${_CXXINTERNAL:M\"-lc++\"}
COMPILER_FEATURES= libc++
.else
COMPILER_FEATURES= libstdc++
.endif
CSTD= c89 c99 c11 gnu89 gnu99 gnu11
CXXSTD= c++98 c++11 gnu++98 gnu++11
.for std in ${CSTD} ${CXXSTD}
_LANG=c
.if ${CXXSTD:M${std}}
_LANG=c++
.endif
OUTPUT_${std}!= echo | ${CC} -std=${std} -c -x ${_LANG} /dev/null -o /dev/null 2>&1; echo
.if !${OUTPUT_${std}:M*error*}
COMPILER_FEATURES+= ${std}
.endif
.endfor
.endif
.if ${_COMPILER_ARGS:Mc++11-lib}
.if !${COMPILER_FEATURES:Mc++11}
USE_GCC= yes
.elif ${COMPILER_TYPE} == clang && ${COMPILER_FEATURES:Mlibstdc++}
USE_GCC= yes
.endif
.endif
.if ${_COMPILER_ARGS:Mc++11-lang}
.if !${COMPILER_FEATURES:Mc++11}
.if defined(FAVORITE_COMPILER) && ${FAVORITE_COMPILER} == gcc
USE_GCC= yes
.elif (${COMPILER_TYPE} == clang && ${COMPILER_VERSION} < 33) || ${COMPILER_TYPE} == gcc
.if ${ALT_COMPILER_TYPE} == clang && ${ALT_COMPILER_VERSION} >= 33
CPP= clang-cpp
CC= clang
CXX= clang++
.else
BUILD_DEPENDS+= ${LOCALBASE}/bin/clang33:${PORTSDIR}/lang/clang33
CPP= ${LOCALBASE}/bin/clang-cpp33
CC= ${LOCALBASE}/bin/clang33
CXX= ${LOCALBASE}/bin/clang++33
.if ${OSVERSION} < 900033
USE_BINUTILS= yes
.endif
.endif
.endif
.endif
.endif
.if ${_COMPILER_ARGS:Mc11}
.if !${COMPILER_FEATURES:Mc11}
.if defined(FAVORITE_COMPILER) && ${FAVORITE_COMPILER} == gcc
USE_GCC= yes
.elif (${COMPILER_TYPE} == clang && ${COMPILER_VERSION} < 33) || ${COMPILER_TYPE} == gcc
BUILD_DEPENDS+= ${LOCALBASE}/bin/clang33:${PORTSDIR}/lang/clang33
CPP= ${LOCALBASE}/bin/clang-cpp33
CC= ${LOCALBASE}/bin/clang33
CXX= ${LOCALBASE}/bin/clang++33
.if ${OSVERSION} < 900033
USE_BINUTILS= yes
.endif
.endif
.endif
.endif
.endif
|
