From: Rainer Orth Date: Thu, 28 Apr 2022 08:27:32 +0000 (+0200) Subject: doc: Document Solaris D bootstrap requirements [PR 103528] X-Git-Tag: upstream/12.2.0~399 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4e4f550a5bc588a76452941cb3fb887a20f8a6cc;p=platform%2Fupstream%2Fgcc.git doc: Document Solaris D bootstrap requirements [PR 103528] This patch documents the Solaris-specific D bootstrap requirements. Tested by building and inspecting gccinstall.{pdf,info}. 2022-03-16 Rainer Orth gcc: PR d/103528 * doc/install.texi (Tools/packages necessary for building GCC) (GDC): Document libphobos requirement. (Host/target specific installation notes for GCC, *-*-solaris2*): Document libphobos and GDC specifics. --- diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index 2bb2d23..3192824 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -287,7 +287,8 @@ section. @item @anchor{GDC-prerequisite}GDC In order to build GDC, the D compiler, you need a working GDC -compiler (GCC version 9.1 or later), as the D front end is written in D. +compiler (GCC version 9.1 or later) and D runtime library, +@samp{libphobos}, as the D front end is written in D. Versions of GDC prior to 12 can be built with an ISO C++11 compiler, which can then be installed and used to bootstrap newer versions of the D front end. @@ -303,6 +304,10 @@ front end does not make use of any GDC-specific extensions, or novel features of the D language, if too old a GDC version is installed and @option{--enable-languages=d} is used, the build will fail. +On some targets, @samp{libphobos} isn't enabled by default, but compiles +and works if @option{--enable-libphobos} is used. Specifics are +documented for affected targets. + @item A ``working'' POSIX compatible shell, or GNU bash Necessary when running @command{configure} because some @@ -4875,6 +4880,12 @@ GNU binutils. @samp{libstdc++} symbol versioning will be disabled if no appropriate version is found. Solaris @command{c++filt} from the Solaris Studio compilers does @emph{not} work. +In order to build the GNU D compiler, GDC, a working @samp{libphobos} is +needed. That library wasn't built by default in GCC 9--11 on SPARC, or +on x86 when the Solaris assembler is used, but can be enabled by +configuring with @option{--enable-libphobos}. Also, GDC 9.4.0 is +required on x86, while GDC 9.3.0 is known to work on SPARC. + The versions of the GNU Multiple Precision Library (GMP), the MPFR library and the MPC library bundled with Solaris 11.3 and later are usually recent enough to match GCC's requirements. There are two @@ -4888,6 +4899,7 @@ need to configure with @option{--with-gmp-include=/usr/include/gmp}. @item The version of the MPFR libary included in Solaris 11.3 is too old; you need to provide a more recent one. + @end itemize @html