Fix bug #13734 with errors in lisp.h macro expansion.

[gnu-emacs] / autogen / copy_autogen

diff --git a/autogen/copy_autogen b/autogen/copy_autogen
index c9f04ad625355ae9b2f4312cd87a0511875eb432..8aacd4d399ae0fe1e0c294f41eacb5e9ca7bc641 100755 (executable)
--- a/autogen/copy_autogen
+++ b/autogen/copy_autogen
@@ -3,12 +3,12 @@
 ## Helper script for those building Emacs from bzr without autoconf etc.
 ## This installs some pre-generated versions of the automatically
 ## generated files.  It is highly recommended to install the necessary
-## tools instead of using this.  Note that if eg configure.in
+## tools instead of using this.  Note that if eg configure.ac
 ## is updated, the next time you run make it will attempt to
 ## regenerate configure and will fail if you do not have the required
 ## tools.  You will have to run this script again.
 
-test -d autogen && cd autogen
+test ! -d autogen || cd autogen || exit
 
 if test ! -e config.in; then
     echo "Cannot find autogen/ directory."
@@ -16,11 +16,12 @@ if test ! -e config.in; then
 fi
 
 ## Order implied by top-level Makefile's rules, for time-stamps.
-cp compile config.guess config.sub depcomp install-sh missing ../build-aux
-cp aclocal.m4 ../
-cp configure ../
-touch ../src/stamp-h.in
-cp config.in ../src/
-cp Makefile.in ../lib/
+cp -f compile config.guess config.sub depcomp install-sh missing \
+  ../build-aux &&
+cp aclocal.m4 ../ &&
+cp configure ../ &&
+touch ../src/stamp-h.in &&
+cp config.in ../src/ &&
+cp Makefile.in ../lib/ &&
 
 echo "You can now run configure"