Date: Mon, 23 Jul 2018 19:39:21 +0000 (UTC) From: Ed Maste <emaste@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336649 - head/share/man/man7 Message-ID: <201807231939.w6NJdLlD081798@repo.freebsd.org>
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Author: emaste Date: Mon Jul 23 19:39:20 2018 New Revision: 336649 URL: https://svnweb.freebsd.org/changeset/base/336649 Log: arch.7: Clarify architecture-specific macro use Compilers may define multiple variants of architecture-specific macros (for example, both __x86_64 and __x86_64__). Add a note that the macros documented in arch.7 are the preferred ones for FreeBSD. Sponsored by: The FreeBSD Foundation Modified: head/share/man/man7/arch.7 Modified: head/share/man/man7/arch.7 ============================================================================== --- head/share/man/man7/arch.7 Mon Jul 23 19:27:11 2018 (r336648) +++ head/share/man/man7/arch.7 Mon Jul 23 19:39:20 2018 (r336649) @@ -26,7 +26,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 5, 2018 +.Dd July 23, 2018 .Dt ARCH 7 .Os .Sh NAME @@ -342,6 +342,10 @@ Architecture-specific macros: .It riscv64sf Ta Dv __riscv, Dv __riscv_xlen == 64 .It sparc64 Ta Dv __sparc64__ .El +.Pp +Compilers may define additional variants of architecture-specific macros. +The macros above are preferred for use in +.Fx . .Ss Important Xr make 1 variables Most of the externally settable variables are defined in the .Xr build 7
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