summaryrefslogtreecommitdiff
path: root/manual/install.texi
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1999-08-15 16:10:09 +0000
committerUlrich Drepper <drepper@redhat.com>1999-08-15 16:10:09 +0000
commit7506cf98e6beaa7c26e7f8636e057e90082c5eeb (patch)
tree768fd67b850b61e874d5b5ab34643c81c84867f2 /manual/install.texi
parented9c47d90b74b02e40d45b65b84027b8f2eca9c9 (diff)
Update.
1999-08-15 Ulrich Drepper <drepper@cygnus.com> * localedata/locales/ca_ES: New file. Contributed by Joan Carles Soler <Joan.Soler@uv.es>. * SUPPORTED: Add ca_ES.
Diffstat (limited to 'manual/install.texi')
-rw-r--r--manual/install.texi20
1 files changed, 12 insertions, 8 deletions
diff --git a/manual/install.texi b/manual/install.texi
index 1c516aa298..72e27a40ad 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -169,9 +169,10 @@ compile but use what you say instead of guessing what your system is.
This is most useful to change the CPU submodel. For example, if
configure guesses your machine as @code{i586-pc-linux-gnu} but you want
to compile a library optimized for 386es, give
-@samp{--host=i386-pc-linux-gnu} or just @samp{--host=i386-linux}. (A
-library compiled for a Pentium (@code{i586}) will still work on a 386,
-but it may be slower.)
+@samp{--host=i386-pc-linux-gnu} or just @samp{--host=i386-linux} and add
+the appropriate compiler flags (@samp{-mcpu=i386} will do the trick) to
+@var{CFLAGS}. (A library compiled for a Pentium (@code{i586}) will still
+work on a 386, but it may be slower.)
If you give just @samp{--build}, configure will get confused.
@end table
@@ -419,11 +420,14 @@ maintainers by sending electronic mail to @email{bug-glibc@@gnu.org}.
Each case of @samp{i@var{x}86} can be @samp{i386}, @samp{i486},
@samp{i586}, or @samp{i686}. All of those configurations produce a
-library that can run on any of these processors. The library will be
-optimized for the specified processor, but will not use instructions not
-available on all of them. If you want the library to use instructions
-only available on newer processors, give GCC the appropriate @samp{-m}
-switches via @var{CFLAGS}.
+library that can run on any of these processors if the compiler is
+configured correctly. The GCC compiler by default generates code
+that's optimized for the machine it's configured for and will use the
+instructions available on that machine. For example if your GCC is
+configured for @samp{i686}, gcc will optimize for @samp{i686} and
+might issue some @samp{i686} specific instructions. To generate code
+for other models you should give GCC the appropriate @samp{-march=}
+and @samp{-mcpu=} compiler switches via @var{CFLAGS}.
@node Linux
@appendixsec Specific advice for Linux systems