doxyfiles: refer paths to @srcdir@
When building out-of-srcdir, paths such as "src/gsm" will not find any
source files. Since the Doxyfiles are preprocessed, we can prepend
@srcdir@ to fix that.
Signed-off-by: Alex Badea <vamposdecampos@gmail.com>
diff --git a/Doxyfile.vty.in b/Doxyfile.vty.in
index 57f19ad..527cdb2 100644
--- a/Doxyfile.vty.in
+++ b/Doxyfile.vty.in
@@ -610,7 +610,7 @@
# directories like "/usr/src/myproject". Separate the files or directories
# with spaces.
-INPUT = include/osmocom/vty src/vty
+INPUT = @srcdir@/include/osmocom/vty @srcdir@/src/vty
# 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