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 > clang. > > 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 manner. -- Eli Schwartz
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