X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=configure.ac;h=d79f9fcadd684879a76a814a974e7facfacba126;hb=276d4386a421d4fb8e136309be44023e206ba465;hp=2139cd3c6bb283984363850523930fb1e926086d;hpb=d893a65a0e39eb3bf06c9088ce8cb2c8dc36df98;p=deliverable%2Flttng-tools.git

diff --git a/configure.ac b/configure.ac
index 2139cd3c6..d79f9fcad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -958,7 +958,13 @@ AM_CONDITIONAL([HAVE_FLEX], [test "x$have_flex" = "xyes"])
 AM_CFLAGS="-Wall -fno-strict-aliasing $PTHREAD_CFLAGS"
 AC_SUBST(AM_CFLAGS)
 
-AM_CPPFLAGS="-I\$(top_srcdir)/include -I\$(top_builddir)/include -I\$(top_srcdir)/src -include config.h $AM_CPPFLAGS"
+# The order in which the include folders are searched is important.
+# The top_builddir should always be searched first in the event that a build
+# time generated file is included. An example of this is the "version.i" file.
+# In a scenario where lttng-tools is built from a distribution tarball and in a
+# out-of-tree manner, the generated "version.i" has priority on the one from
+# the source (distribution tarball) and must be found first.
+AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -I\$(top_srcdir)/src -include config.h $AM_CPPFLAGS"
 AC_SUBST(AM_CPPFLAGS)
 
 lttngincludedir="${includedir}/lttng"