Back off the minimum required automake version to 1.11.  There isn't

anything in libtiff currently that actually requires 1.12, and changing

this allows the package to be built on pre-F18 machines for easier testing.

This patch can go away once we no longer care about testing on pre-F18.

diff -Naur tiff-4.0.3.orig/Makefile.am tiff-4.0.3/Makefile.am

--- tiff-4.0.3.orig/Makefile.am	2012-09-20 09:22:47.000000000 -0400

+++ tiff-4.0.3/Makefile.am	2012-10-30 11:33:30.312823564 -0400

@@ -25,7 +25,7 @@

 docdir = $(LIBTIFF_DOCDIR)

-AUTOMAKE_OPTIONS = 1.12 dist-zip foreign

+AUTOMAKE_OPTIONS = 1.11 dist-zip foreign

 ACLOCAL_AMFLAGS = -I m4

 docfiles = \

diff -Naur tiff-4.0.3.orig/test/Makefile.am tiff-4.0.3/test/Makefile.am

--- tiff-4.0.3.orig/test/Makefile.am	2012-09-20 09:22:28.000000000 -0400

+++ tiff-4.0.3/test/Makefile.am	2012-10-30 11:33:17.109696812 -0400

@@ -23,7 +23,7 @@

 # Process this file with automake to produce Makefile.in.

-AUTOMAKE_OPTIONS = 1.12 color-tests parallel-tests foreign

+AUTOMAKE_OPTIONS = 1.11 color-tests parallel-tests foreign

 LIBTIFF = $(top_builddir)/libtiff/libtiff.la