diff --git a/etc/MACHINES b/etc/MACHINES index 5821c2f40150388ee9b36403696634e89a1ad050..2d162338866d108f6fd6663edf98ed26a8b75337 100644 --- a/etc/MACHINES +++ b/etc/MACHINES @@ -1021,11 +1021,25 @@ Sun 3, Sun 4 (sparc), Sun 386 (m68k-sun-sunos, sparc-sun-sunos, i386-sun-sunos, sparc-sun-sunos4.1.3noshr, sparc-sun-solaris2.*, i386-sun-solaris2.*, sparc*-*-linux-gnu) + To build a 32-bit Emacs (i.e. if you are having any sort of problem + bootstrapping a 64-bit version), you can use the Sun Studio compiler + and configure Emacs with: + env CC="cc -xarch=v7" CFLAGS='' ./configure # on SPARC systems + env CC="cc -xarch=386" CFLAGS='' ./configure # on x86 systems + On Solaris 2.10, it is also possible to use /usr/sfw/bin/gcc to build + a 32-bit version of Emacs. Just make sure you point ./configure to + the right compiler: + + env CC='/usr/sfw/bin/gcc -m32' ./configure + To build a 64-bit Emacs (with larger maximum buffer size and including large file support) on a Solaris system which supports 64-bit executables, use the Sun compiler, configuring something like this (see the cc documentation for information on 64-bit - compilation): env CC="cc -xarch=v9" ./configure + compilation): + + env CC="cc -xarch=v9" CFLAGS='' ./configure # on SPARC systems + env CC="cc -xarch=amd64" CFLAGS='' ./configure # on x86 systems As of version 2.95, GCC doesn't support the 64-bit ABI properly, but later releases may.