Smarter autogen.sh script.

autogen.sh

@@ -1,12 +1,17 @@
 #!/bin/sh
+cwd="$PWD"
+bs_dir="$(dirname $(readlink -f $0))"
+rm -rf "${bs_dir}"/autom4te.cache
+rm -f "${bs_dir}"/aclocal.m4 "${bs_dir}"/ltmain.sh
 
-# You need autoconf 2.5x, preferably 2.57 or later
-# You need automake 1.7 or later. 1.6 might work.
-
-set -e
-
-aclocal -I m4
-autoheader
-automake --add-missing --copy
-autoconf
-
+echo 'Running autoreconf -if...'
+autoreconf -if || exit 1
+if test -z "$NOCONFIGURE" ; then
+	echo 'Configuring...'
+	cd "${bs_dir}" &> /dev/null
+	test "$?" = "0" || e=1
+	test "$cwd" != "$bs_dir" && cd "$bs_dir" &> /dev/null
+	./configure $@
+	test "$e" = "1" && exit 1
+	cd "$cwd"
+fi

mkinstalldirs

@@ -81,9 +81,9 @@ case $dirmode in
       echo "mkdir -p -- $*"
       exec mkdir -p -- "$@"
     else
-      # On NextStep and OpenStep, the `mkdir' command does not
+      # On NextStep and OpenStep, the 'mkdir' command does not
       # recognize any option.  It will interpret all options as
-      # directories to create, and then abort because `.' already
+      # directories to create, and then abort because '.' already
       # exists.
       test -d ./-p && rmdir ./-p
       test -d ./--version && rmdir ./--version