2008-11-17 Thomas Schwinge <tschwinge@gnu.org>

	* configure.in: Unconditionally use the provided `install-sh'.  Make
	use of its `-C' option.
	* configure: Regenerate.

1 files changed, 7 insertions, 0 deletions

diff --git a/configure b/configure
index 36e16d75..c8d91f64 100755
--- a/configure
+++ b/configure
@@ -1880,6 +1880,13 @@ esac
 enable_static_progs=`echo "$enable_static_progs" | sed 's/[, ][, ]*/ /g'`
 
 
+# Don't needlessly overwrite files that whose contents haven't changed.  This
+# helps for avoinding unneccessary recompilation cycles when keeping
+# cross-compilation toolchains up-to-date.  Thus, unconditionally use the
+# supplied `install-sh', as the GNU Coreutils one doesn't provide this
+# functionality yet (TODO: change that).  TODO: $ac_abs_top_builddir et al. are
+# not yet available here, that's why we use `readlink' (but only if available).
+INSTALL="$SHELL $(readlink -f "$ac_install_sh")"\ -C || unset INSTALL
 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
 # incompatible versions: