Changeset d0de26c for chapter08

Timestamp:

07/27/2023 05:12:50 AM (10 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

12.0, 12.0-rc1, 12.1, 12.1-rc1, multilib, trunk, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/update-glibc

Children:

44674e4c

Parents:

49d402e

git-author:

Xi Ruoyao <xry111@…> (07/27/2023 05:06:49 AM)

git-committer:

Xi Ruoyao <xry111@…> (07/27/2023 05:12:50 AM)

Message:

gmp: (Optionally) use --host=none-linux-gnu for generic library

This is suggested by GCC maintainer Andrew Pinski in
​https://gcc.gnu.org/PR110789. It's easier than what we've suggested
in the book.

File:

• chapter08/gmp.xml (modified) (2 diffs)

chapter08/gmp.xml

@@ -55 +55 @@
       the host processor.  If libraries suitable for processors less
       capable than the host's CPU are desired, generic libraries can be
-      created by running the following:
+      created by appending the <option>--host=none-linux-gnu</option> option
+      to the <command>configure</command> command.</para>
 
-<screen role="nodump"><userinput>cp -v configfsf.guess config.guess
-cp -v configfsf.sub   config.sub</userinput></screen></para>
+      <!-- To editors: the configure script says "the none host is obsolete,
+           use - -disable-assembly", but don't believe it: with the latter
+           CFLAGS is still automatically set to -march=something.  -->
     </note>
 
@@ -107 +109 @@
     applications using the gmp libraries with the message "Illegal
     instruction".  In this case, gmp should be reconfigured with the option
-    --build=x86_64-pc-linux-gnu and rebuilt.</para></caution>
+    <option>--host=none-linux-gnu</option> and rebuilt.</para></caution>
 
     <para>Ensure that all 197 tests in the test suite passed.