Tom Lane <t...@sss.pgh.pa.us> writes: > =?utf-8?Q?Dagfinn_Ilmari_Manns=C3=A5ker?= <ilm...@ilmari.org> writes: >> Should we change the compiler checks for attributes in c.h to include >> `|| __has_attribute(…)`, so that we automatically get them on compilers >> that support that (particularly clang)? > > clang already #defines GCC, no?
__GNUC__, but yes, I didn't realise that. Clang 11 seems to claim to be GCC 4.2 by default, but that can be overridden usng the -fgnuc-version (and turned off by setting it to zero). Do any other compilers support __has_attribute()? > regards, tom lane - ilmari
