let doxygen find the source code

[Unfortunately,] @top_srcdir@ is replaced by the package's top-level directory relative to the directory of the .in file being processed, e.g. if you unpack the MPD source to /usr/src/mpd, and build it in the same directory, @top_srcdir@/src/ in doc/doxygen.conf.in will be re- placed by "../src/", and, as doxygen is invoked from the top directory, is will expect the source code in /usr/src/src/, which is obviously wrong. To work around this problem, this patch changes @top_srcdir@ to @abs_top_srcdir@, which expands to the absolute path of the top source directory[1]. [1] http://www.gnu.org/s/hello/manual/autoconf/Preset-Output-Variables.html

let doxygen find the source code
4428894a · Jonathan Neuschäfer · Max Kellermann · 4f021cbc · 4428894a
Commit 4428894a authored Aug 25, 2011 by Jonathan Neuschäfer Committed by Max Kellermann Aug 27, 2011
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doxygen.conf.in doc/doxygen.conf.in +1 -1

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--- a/doc/doxygen.conf.in
+++ b/doc/doxygen.conf.in
@@ -534,7 +534,7 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories
 # with spaces.

-INPUT = @top_srcdir@/src/
+INPUT = @abs_top_srcdir@/src/

 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is