Changeset c17a774 for chapter08/automake.xml

Timestamp:

11/13/2023 01:16:48 PM (11 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

12.1, 12.1-rc1, 12.2, 12.2-rc1, multilib, trunk, xry111/arm64, xry111/clfs-ng, xry111/loongarch, xry111/loongarch-12.1, xry111/loongarch-12.2, xry111/mips64el, xry111/multilib, xry111/update-glibc

Children:

3a8d182

Parents:

95ebbb4

git-author:

Xi Ruoyao <xry111@…> (09/11/2023 08:07:26 AM)

git-committer:

Xi Ruoyao <xry111@…> (11/13/2023 01:16:48 PM)

Message:

automake: Do not use only 4 cores for testing if we have more

File:

• chapter08/automake.xml (modified) (1 diff)

chapter08/automake.xml

@@ -54 +54 @@
 <screen><userinput remap="make">make</userinput></screen>
 
-    <para> Using the -j4 make option speeds up the tests, even on systems with
-    only one processor, due to internal delays in individual tests.  To test
+    <para>Using four parallel jobs speeds up the tests, even on systems with
+    less logical cores, due to internal delays in individual tests.  To test
     the results, issue:</para>
 
-<screen><userinput remap="test">make -j4 check</userinput></screen>
+<screen><userinput remap="test">make <replaceable>-j$(($(nproc)&gt;4?$(nproc):4))</replaceable> check</userinput></screen>
+
+    <para>Replace <replaceable>$((...))</replaceable> with the number of
+    logical cores you want to use if you don't want to use all.</para>
 
     <para>The test t/subobj.sh is known to fail.</para>