From 77d967fb11a4e63967ad1e80929b7096f9d58c05 Mon Sep 17 00:00:00 2001
From: Russ Allbery <rra@stanford.edu>
Date: Tue, 9 Feb 2010 19:43:15 -0800
Subject: Enable silent rule support and use it for make warnings

---
 Makefile.am  |  4 ++--
 README       | 13 +++++++++----
 configure.ac |  2 +-
 3 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 056229b..77514a7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -70,8 +70,8 @@ WARNINGS = -g -O -DDEBUG=1 -Wall -W -Wendif-labels -Wpointer-arith \
 	-Wmissing-prototypes -Wnested-externs -Werror
 
 warnings:
-	$(MAKE) CFLAGS='$(WARNINGS)'
-	$(MAKE) CFLAGS='$(WARNINGS)' $(check_PROGRAMS)
+	$(MAKE) V=0 CFLAGS='$(WARNINGS)'
+	$(MAKE) V=0 CFLAGS='$(WARNINGS)' $(check_PROGRAMS)
 
 # Remove some additional files.
 DISTCLEANFILES = perl/Makefile
diff --git a/README b/README
index eb9b39c..abc02fb 100644
--- a/README
+++ b/README
@@ -127,10 +127,11 @@ REQUIREMENTS
   srvtab with ADMIN access to a test AFS kaserver, and some additional
   configuration.
 
-  If you change the Automake files and need to regenerate Makefile.in, you
-  will need Automake 1.10 or later.  If you change configure.ac or any of
-  the m4 files it includes and need to regenerate configure or
-  config.h.in, you will need Autoconf 2.61 or later.
+  To bootstrap from a Git checkout, or if you change the Automake files
+  and need to regenerate Makefile.in, you will need Automake 1.11 or
+  later.  For bootstrap or if you change configure.ac or any of the m4
+  files it includes and need to regenerate configure or config.h.in, you
+  will need Autoconf 2.64 or later.
 
 BUILD AND INSTALLATION
 
@@ -140,6 +141,10 @@ BUILD AND INSTALLATION
       make
       make install
 
+  Pass --enable-silent-rules to configure for a quieter build (similar to
+  the Linux kernel).  Use make warnings instead of make to build with full
+  GCC compiler warnings (requires a relatively current version of GCC).
+
   The last step will probably have to be done as root.  Currently, this
   always installs both the client and the server.
 
diff --git a/configure.ac b/configure.ac
index 0330aa9..0597859 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,7 @@ AC_INIT([wallet], [0.9], [rra@stanford.edu])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_LIBOBJ_DIR([portable])
 AC_CONFIG_MACRO_DIR([m4])
-AM_INIT_AUTOMAKE([1.11 check-news])
+AM_INIT_AUTOMAKE([1.11 check-news silent-rules])
 AM_MAINTAINER_MODE
 
 AC_PROG_CC
-- 
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