* Re: [gentoo-dev] [PATCH 3/4] toolchain-funcs.eclass: Add tc-get-compiler-type()
@ 2016-06-23 6:52 99% ` Fabian Groffen
0 siblings, 0 replies; 1+ results
From: Fabian Groffen @ 2016-06-23 6:52 UTC (permalink / raw
To: gentoo-dev
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On 22-06-2016 22:06:53 +0200, Michał Górny wrote:
> +# @FUNCTION: tc-get-compiler-type
> +# @RETURN: keyword identifying the compiler: gcc, clang, unknown
> +tc-get-compiler-type() {
> + set -- $($(tc-getCPP "$@") -E -P - <<<"CPP_WORKS __GNUC__ __clang__")
% echo "CPP_WORKS __GNUC__ __clang__" | clang -E -P -
CPP_WORKS 4 1
The logic below does the right thing, but it might be good for future
reference to make note of this (clang).
> +
> + # CPP_WORKS shouldn't be substituted -- so if it's not there,
> + # cpp is probably broken
> + if [[ $1 != CPP_WORKS ]]; then
> + echo unknown
> + # Check which of the defines were substituted
> + elif [[ $3 != __clang__ ]]; then
> + echo clang
> + elif [[ $2 != __GNUC__ ]]; then
> + echo gcc
> + else
> + echo unknown
> + fi
> +}
--
Fabian Groffen
Gentoo on a different level
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2016-06-22 20:06 [gentoo-dev] [PATCH 0/4] toolchain-funcs.eclass: fix for version checks (v2) + compiler identification Michał Górny
2016-06-22 20:06 ` [gentoo-dev] [PATCH 3/4] toolchain-funcs.eclass: Add tc-get-compiler-type() Michał Górny
2016-06-23 6:52 99% ` Fabian Groffen
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