makepkg: try standard paths for coreutils du

Attempt to find "du" from coreutils in the standard paths and if
not revert to the version in the users PATH.  Using the full path
prevents issues such as FS#19932, where a different and incompatible
version of du is put earlier in the users path.

Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 4faf20d9..7d4e60f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -210,6 +210,7 @@ esac
 
 AM_CONDITIONAL([CYGWIN], test "x$host_os_cygwin" = "xyes")
 AM_CONDITIONAL([DARWIN], test "x$host_os_darwin" = "xyes")
+AC_PATH_PROGS([DUPATH], [du], [du], [/usr/bin$PATH_SEPARATOR/bin] )
 AC_SUBST(SIZECMD)
 AC_SUBST(SEDINPLACE)
 AC_SUBST(STRIP_BINARIES)