[arch-general] [arch-dev-public] Changing compilation flags
eschwartz93 at gmail.com
Sun Jul 9 03:44:13 UTC 2017
On 07/08/2017 06:53 AM, LoneVVolf wrote:
> On 08-07-17 04:31, Evangelos Foutras via arch-general wrote:
>> There are multiple ways the compiler can be selected; two of them are: 1)
>> exporting CC/CXX in the PKGBUILD and 2) the project's configure script
>> picking one of the available compilers. makepkg can't realistically know
>> which compiler is going to be used and thus must have only one set of flags
>> that is supported by both GCC and Clang.
> An alternative solution would be to tailor things to the compiler used
> by the majority (gcc) and to avoid clang as much as possible.
> That would ocourse require special settings for packages compiled with
> NOTE : whether that is a good idea is another matter, but it IS an option.
AIUI that is already what we do, in the sense that gcc is the assumed
default everywhere, and our (C|CXX|LD)FLAGS are written with the
assumption that gcc is the default compiler.
Any packages that need to deviate from the default makepkg.conf flags
(because they *already* have special settings to use clang, those
settings are in the project build configuration files) can currently
modify those flags on a PKGBUILD-by-PKGBUILD basis, or alternatively we
can try to get clang to deal with basic gcc compatibility in a graceful
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