[beast: 5/10] BUILD: prevent autoconf, autoheader, automake, etc from using stale caches

[Tim Janik <timj src gnome org>]

commit 989302e01fd5545fc1283852a4c5a64657f7b8b3
Author: Tim Janik <timj gnu org>
Date:   Sun Jun 18 01:47:42 2017 +0200

    BUILD: prevent autoconf, autoheader, automake, etc from using stale caches
    
    Signed-off-by: Tim Janik <timj gnu org>

 .autom4te.cfg |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)
---
diff --git a/.autom4te.cfg b/.autom4te.cfg
new file mode 100644
index 0000000..6fc9dae
--- /dev/null
+++ b/.autom4te.cfg
@@ -0,0 +1,21 @@
+# http://www.gnu.org/software/autoconf/manual/html_node/Customizing-autom4te.html
+
+begin-language: "Autoheader-preselections"
+args: --no-cache
+end-language: "Autoheader-preselections"
+
+begin-language: "Automake-preselections"
+args: --no-cache
+end-language: "Automake-preselections"
+
+begin-language: "Autoreconf-preselections"
+args: --no-cache
+end-language: "Autoreconf-preselections"
+
+begin-language: "Autoconf-without-aclocal-m4"
+args: --no-cache
+end-language: "Autoconf-without-aclocal-m4"
+
+begin-language: "Autoconf"
+args: --no-cache
+end-language: "Autoconf"