Update/enforce/document our build requirements.

[sigrok-gtk.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a87a65b0ff9c44f14f03ae2ac9af5d92a06730c2..1af248651ad7a8aacd45b3426e40699daed57dcb 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,8 @@
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ##
 
-AC_PREREQ([2.61])
+# We require at least autoconf 2.63 (AC_INIT format changed there).
+AC_PREREQ([2.63])
 
 AC_INIT([sigrok-gtk], [0.1], [gareth@blacksphere.co.nz],
         [sigrok-gtk], [http://www.sigrok.org])
@@ -26,7 +27,8 @@ AC_CONFIG_SRCDIR([main.c])
 AC_CONFIG_MACRO_DIR([autostuff])
 AC_CONFIG_AUX_DIR([autostuff])
 
-AM_INIT_AUTOMAKE([-Wall -Werror foreign std-options])
+# We require at least automake 1.11 (needed for 'silent rules').
+AM_INIT_AUTOMAKE([1.11 -Wall -Werror foreign std-options])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AH_TOP([#ifndef SIGROK_GTK_CONFIG_H