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-rw-r--r--chapter05/perl.xml3
1 files changed, 2 insertions, 1 deletions
diff --git a/chapter05/perl.xml b/chapter05/perl.xml
index 0583d2f72..dccb191c0 100644
--- a/chapter05/perl.xml
+++ b/chapter05/perl.xml
@@ -17,7 +17,8 @@
<screen><userinput>patch -Np1 -i ../&perl-libc-patch;</userinput></screen>
-<para>Now prepare Perl for compilation:</para>
+<para>Now prepare Perl for compilation (make sure to get the 'IO Fcntl'
+right, they are all letters):</para>
<screen><userinput>./configure.gnu --prefix=/tools -Dstatic_ext='IO Fcntl'</userinput></screen>