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[pkgsrc/trunk]: pkgsrc/doc/guide/files + FAQ: Why do packages ignore my CFLAGS?
details: https://anonhg.NetBSD.org/pkgsrc/rev/2c9062608a31
branches: trunk
changeset: 513120:2c9062608a31
user: rillig <rillig%pkgsrc.org@localhost>
date: Sun May 21 12:23:29 2006 +0000
description:
+ FAQ: Why do packages ignore my CFLAGS?
diffstat:
doc/guide/files/faq.xml | 27 ++++++++++++++++++++++++++-
1 files changed, 26 insertions(+), 1 deletions(-)
diffs (39 lines):
diff -r d48c68666de3 -r 2c9062608a31 doc/guide/files/faq.xml
--- a/doc/guide/files/faq.xml Sun May 21 11:58:25 2006 +0000
+++ b/doc/guide/files/faq.xml Sun May 21 12:23:29 2006 +0000
@@ -1,4 +1,4 @@
-<!-- $NetBSD: faq.xml,v 1.23 2006/04/22 05:43:51 lukem Exp $ -->
+<!-- $NetBSD: faq.xml,v 1.24 2006/05/21 12:23:29 rillig Exp $ -->
<chapter id="faq"> <?dbhtml filename="faq.html"?>
<title>Frequently Asked Questions</title>
@@ -576,4 +576,29 @@
</sect1>
+<sect1 id="ufaq-cflags">
+<title>Why do some packages ignore my <varname>CFLAGS</varname>?</title>
+
+ <para>When you add your own preferences to the
+ <varname>CFLAGS</varname> variable in your
+ <filename>mk.conf</filename>, these flags are passed in
+ environment variables to the <filename>./configure</filename>
+ scripts and to &man.make.1;. Some package authors ignore the
+ <varname>CFLAGS</varname> from the environment variable by
+ overriding them in the <filename>Makefile</filename>s of their
+ package.</para>
+
+ <para>Currently there is no solution to this problem. If you
+ really need the package to use your <varname>CFLAGS</varname>
+ you should run <command>make patch</command> in the package
+ directory and then inspect any <filename>Makefile</filename> and
+ <filename>Makefile.in</filename> for whether they define
+ <varname>CFLAGS</varname> explicitly. Usually you can remove
+ these lines. But be aware that some <quote>smart</quote>
+ programmers write so bad code that it only works for the
+ specific combination of <varname>CFLAGS</varname> they have
+ chosen.</para>
+
+</sect1>
+
</chapter>
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