5ca22080ae
* Add c++20-lang and c++2b-lang arguments * Respect LLVM_DEFAULT if it fullfills the requirements PR: 244810, 266029 Exp-run by: antoine Approved by: bapt, tcberner (mentor) Differential Revision: https://reviews.freebsd.org/D35889
218 lines
7 KiB
Makefile
218 lines
7 KiB
Makefile
# Allows to determine the compiler being used
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#
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# Feature: compiler
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# Usage: USES=compiler or USES=compiler:ARGS
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# Valid ARGS: env (default, implicit) c++0x c++11-lib c++11-lang c11 nestedfct features
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#
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# c++0x: The port needs a compiler understanding C++0X
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# c++11-lang: The port needs a compiler understanding C++11
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# c++14-lang: The port needs a compiler understanding C++14
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# c++17-lang: The port needs a compiler understanding C++17
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# c++20-lang: The port needs a compiler understanding C++20
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# c++2b-lang: The port needs a compiler understanding C++2b
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# gcc-c++11-lib:The port needs g++ compiler with a C++11 library
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# c++11-lib: The port needs a compiler understanding C++11 and with a C++11 ready standard library
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# c11: The port needs a compiler understanding C11
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# nestedfct: The port needs a compiler understanding nested functions
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# features: The port will determine the features supported by the default compiler
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#
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# Variable to test after <bsd.port.pre.mk>
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#
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# COMPILER_TYPE: can be gcc or clang
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# ALT_COMPILER_TYPE: can be gcc or clang depending on COMPILER_TYPE, only set if the base system has 2 compilers
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# COMPILER_VERSION: first 2 digits of the version: 33 for clang 3.3.*, 47 for gcc 4.7.*
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# ALT_COMPILER_VERSION: first 2 digits of the version: 33 for clang 3.3.*, 47 for gcc 4.7.* of the ALT_COMPILER_TYPE
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#
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# COMPILER_FEATURES: the list of features supported by the compiler includes the standard C++ library.
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# CHOSEN_COMPILER_TYPE: can be gcc or clang (type of compiler chosen by the framework)
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#
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# MAINTAINER: ports@FreeBSD.org
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.if !defined(_INCLUDE_USES_COMPILER_MK)
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_INCLUDE_USES_COMPILER_MK= yes
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. if empty(compiler_ARGS)
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compiler_ARGS= env
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. endif
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VALID_ARGS= c++11-lib c++11-lang c++14-lang c++17-lang c++20-lang \
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c++2b-lang c11 features env nestedfct c++0x gcc-c++11-lib
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_CC_hash:= ${CC:hash}
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_CXX_hash:= ${CXX:hash}
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. if ${compiler_ARGS} == gcc-c++11-lib
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_COMPILER_ARGS+= features gcc-c++11-lib
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. elif ${compiler_ARGS} == c++11-lib
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_COMPILER_ARGS+= features c++11-lib
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. elif ${compiler_ARGS} == c++0x
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_COMPILER_ARGS+= features c++0x
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. elif ${compiler_ARGS} == c++11-lang
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_COMPILER_ARGS+= features c++11-lang
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. elif ${compiler_ARGS} == c++14-lang
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_COMPILER_ARGS+= features c++14-lang
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. elif ${compiler_ARGS} == c++17-lang
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_COMPILER_ARGS+= features c++17-lang
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. elif ${compiler_ARGS} == c++20-lang
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_COMPILER_ARGS+= features c++20-lang
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. elif ${compiler_ARGS} == c++2b-lang
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_COMPILER_ARGS+= features c++2b-lang
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. elif ${compiler_ARGS} == c11
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_COMPILER_ARGS+= features c11
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. elif ${compiler_ARGS} == features
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_COMPILER_ARGS+= features
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. elif ${compiler_ARGS} == env
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_COMPILER_ARGS+= env
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. elif ${compiler_ARGS} == nestedfct
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_COMPILER_ARGS+= env nestedfct
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. else
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IGNORE= Invalid argument "${compiler_ARGS}", valid arguments are: ${VALID_ARGS}
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_COMPILER_ARGS= #
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. endif
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. if ${_COMPILER_ARGS:Mc++*} || ${_COMPILER_ARGS:Mc11}
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_COMPILER_ARGS+= features
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. endif
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. if defined(_CCVERSION_${_CC_hash})
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_CCVERSION= ${_CCVERSION_${_CC_hash}}
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. else
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_CCVERSION!= ${CC} --version
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_CCVERSION_${_CC_hash}= ${_CCVERSION}
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PORTS_ENV_VARS+= _CCVERSION_${_CC_hash}
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. endif
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COMPILER_VERSION= ${_CCVERSION:M[0-9]*.[0-9]*:[1]:C/([0-9]+)\.([0-9]+)\..*/\1\2/}
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. if ${_CCVERSION:Mclang}
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COMPILER_TYPE= clang
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. else
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COMPILER_TYPE= gcc
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. endif
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ALT_COMPILER_VERSION= 0
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ALT_COMPILER_TYPE= none
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_ALTCCVERSION= none
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. if defined(_ALTCCVERSION_${_CC_hash})
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_ALTCCVERSION= ${_ALTCCVERSION_${_CC_hash}}
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. else
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. if ${COMPILER_TYPE} == gcc && exists(/usr/bin/clang)
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. if ${ARCH} == amd64 || ${ARCH} == i386 # clang often non-default for a reason
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_ALTCCVERSION!= /usr/bin/clang --version
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. endif
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. elif ${COMPILER_TYPE} == clang && exists(/usr/bin/gcc)
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_ALTCCVERSION!= /usr/bin/gcc --version
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. endif
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_ALTCCVERSION_${_CC_hash}= ${_ALTCCVERSION}
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PORTS_ENV_VARS+= _ALTCCVERSION_${_CC_hash}
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. endif
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ALT_COMPILER_VERSION= ${_ALTCCVERSION:M[0-9]*.[0-9]*:[1]:C/([0-9]+)\.([0-9]+)\..*/\1\2/}
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. if ${_ALTCCVERSION:Mclang}
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ALT_COMPILER_TYPE= clang
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. elif ${_ALTCCVERSION} != none
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ALT_COMPILER_TYPE= gcc
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. endif
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CHOSEN_COMPILER_TYPE= ${COMPILER_TYPE}
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. if ${_COMPILER_ARGS:Mnestedfct}
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. if ${COMPILER_TYPE} == clang
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USE_GCC= yes
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CHOSEN_COMPILER_TYPE= gcc
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. endif
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. endif
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. if ${_COMPILER_ARGS:Mfeatures}
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. if defined(_CXXINTERNAL_${_CXX_hash})
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_CXXINTERNAL= ${_CXXINTERNAL_${_CXX_hash}}
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. else
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_CXXINTERNAL!= ${CXX} -\#\#\# /dev/null 2>&1
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_CXXINTERNAL_${_CXX_hash}= ${_CXXINTERNAL}
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PORTS_ENV_VARS+= _CXXINTERNAL_${_CXX_hash}
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. endif
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. if ${_CXXINTERNAL:M\"-lc++\"}
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COMPILER_FEATURES= libc++
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. else
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COMPILER_FEATURES= libstdc++
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. endif
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CSTD= c89 c99 c11 gnu89 gnu99 gnu11
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CXXSTD= c++98 c++0x c++11 c++14 c++17 c++20 c++2b \
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gnu++98 gnu++11 gnu++14 gnu++17 gnu++20 gnu++2b
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. for std in ${CSTD} ${CXXSTD}
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_LANG=c
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. if ${CXXSTD:M${std}}
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_LANG=c++
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. endif
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. if defined(CC_OUTPUT_${_CC_hash}_${std:hash})
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OUTPUT_${std}= ${CC_OUTPUT_${_CC_hash}_${std:hash}}
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. else
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OUTPUT_${std}!= if ${CC} -std=${std} -c -x ${_LANG} /dev/null -o /dev/null 2>&1; then echo yes; fi; echo
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CC_OUTPUT_${_CC_hash}_${std:hash}= ${OUTPUT_${std}}
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PORTS_ENV_VARS+= CC_OUTPUT_${_CC_hash}_${std:hash}
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. endif
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. if !${OUTPUT_${std}:M*error*}
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COMPILER_FEATURES+= ${std}
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. endif
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. endfor
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. endif
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. if ${_COMPILER_ARGS:Mc++11-lib}
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. if !${COMPILER_FEATURES:Mc++11}
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USE_GCC= yes
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CHOSEN_COMPILER_TYPE= gcc
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. elif ${COMPILER_TYPE} == clang && ${COMPILER_FEATURES:Mlibstdc++}
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USE_GCC= yes
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CHOSEN_COMPILER_TYPE= gcc
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. endif
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. endif
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. if (${_COMPILER_ARGS:Mc++2b-lang} && !${COMPILER_FEATURES:Mc++2b}) || \
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(${_COMPILER_ARGS:Mc++20-lang} && !${COMPILER_FEATURES:Mc++20}) || \
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(${_COMPILER_ARGS:Mc++17-lang} && !${COMPILER_FEATURES:Mc++17}) || \
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(${_COMPILER_ARGS:Mc++14-lang} && !${COMPILER_FEATURES:Mc++14}) || \
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(${_COMPILER_ARGS:Mc++11-lang} && !${COMPILER_FEATURES:Mc++11}) || \
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(${_COMPILER_ARGS:Mc++0x} && !${COMPILER_FEATURES:Mc++0x}) || \
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(${_COMPILER_ARGS:Mc11} && !${COMPILER_FEATURES:Mc11})
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. if ${_COMPILER_ARGS:Mc++2b-lang}
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_LLVM_MINVER= 14
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. elif ${_COMPILER_ARGS:Mc++20-lang}
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_LLVM_MINVER= 11
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. else
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_LLVM_MINVER= 0
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. endif
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. if (defined(FAVORITE_COMPILER) && ${FAVORITE_COMPILER} == gcc) || (${ARCH} != amd64 && ${ARCH} != i386) # clang not always supported on Tier-2
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USE_GCC= yes
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CHOSEN_COMPILER_TYPE= gcc
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. elif ${COMPILER_TYPE} == gcc || \
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(${COMPILER_VERSION:C/[0-9]$//}<${_LLVM_MINVER})
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. if ${ALT_COMPILER_TYPE} == clang && \
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(${ALT_COMPILER_VERSION:C/[0-9]$//}>=${_LLVM_MINVER})
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CPP= clang-cpp
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CC= clang
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CXX= clang++
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CHOSEN_COMPILER_TYPE= clang
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. else
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. if ${LLVM_DEFAULT:C/^[789]0$/0/}<${_LLVM_MINVER}
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_LLVM_REQ= ${_LLVM_MINVER}
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. else
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_LLVM_REQ= ${LLVM_DEFAULT}
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. endif
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BUILD_DEPENDS+= clang${_LLVM_REQ}:devel/llvm${_LLVM_REQ}
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CPP= ${LOCALBASE}/bin/clang-cpp${_LLVM_REQ}
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CC= ${LOCALBASE}/bin/clang${_LLVM_REQ}
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CXX= ${LOCALBASE}/bin/clang++${_LLVM_REQ}
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CHOSEN_COMPILER_TYPE= clang
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. endif
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. endif
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. endif
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. if ${_COMPILER_ARGS:Mgcc-c++11-lib}
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USE_GCC= yes
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CHOSEN_COMPILER_TYPE= gcc
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. if ${COMPILER_FEATURES:Mlibc++}
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CXXFLAGS+= -stdlib=libc++
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. endif
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. endif
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.endif
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