We must use absolute paths or we break VPATH builds.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92183 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/server/mpm/config.m4 b/server/mpm/config.m4
index 8ca8ed9a08993e61e10c34129b3c96fc139f98f8..5605b68e6a46ecbc4389dbd7fac88de9c933aa6f 100644 (file)
--- a/server/mpm/config.m4
+++ b/server/mpm/config.m4
@@ -22,7 +22,7 @@ if test "$apache_cv_mpm" = "worker" -o "$apache_cv_mpm" = "perchild"; then
     apache_cv_mpm=prefork
   fi
 fi
-if test ! -f "server/mpm/$apache_cv_mpm/mpm.h"; then
+if test ! -f "$abs_srcdir/server/mpm/$apache_cv_mpm/mpm.h"; then
     AC_MSG_ERROR(the selected mpm -- $apache_cv_mpm -- is not supported)
 fi