path: root/dh
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authorModestas Vainius <>2011-06-19 23:53:14 +0300
committerJoey Hess <>2011-06-19 18:01:32 -0400
commitfcfcd1298f6ea1fcfb2b2b5a529303270aa800d9 (patch)
treed6196eff0e4e54fb73edf5c771610d904aa0483b /dh
parent1722a1bcfed9558cc438f3c0a1b9e024b46986cc (diff)
Always respect DEB_${flag}_{APPEND,SET} envvars.
Do that even when dpkg-buildpackage modifies environment variables. Also document DEB_${flag}_{APPEND,SET} as recommended way to override standard build flags.
Diffstat (limited to 'dh')
1 files changed, 12 insertions, 0 deletions
diff --git a/dh b/dh
index aba8c27..5ea6643 100755
--- a/dh
+++ b/dh
@@ -193,6 +193,18 @@ sequence addons like this:
dh $@ --with quilt
+In order to override standard build flags, export appropriate environment
+variables as documented in the L<dpkg-buildflags(1)> manual page. They will be
+preferred over directly exported their counterparts (CFLAGS, CXXFLAGS, LDFLAGS
+etc.). For example, to append -Wall to the standard CFLAGS and CXXFLAGS, use:
+ #!/usr/bin/make -f
+ export DEB_CFLAGS_APPEND = -Wall
+ export DEB_CXXFLAGS_APPEND = -Wall
+ %:
+ dh $@
Here is an example of overriding where the B<dh_auto_>I<*> commands find
the package's source, for a package where the source is located in a