* nt/README: Don't advertise the (obsolescent) w32 FAQ.

[gnu-emacs] / autogen.sh

diff --git a/autogen.sh b/autogen.sh
index 0d367d2ac697a4ae15ac0d0d6e53c19bf9d75a2c..bc9c5a008e034479aa1c146332de6f0b318399c4 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -50,7 +50,7 @@ automake_min=`sed -n 's/^ *AM_INIT_AUTOMAKE(\([0-9\.]*\)).*/\1/p' configure.ac`
 get_version ()
 {
     ## Remove eg "./autogen.sh: line 50: autoconf: command not found".
-    $1 --version 2>&1 | sed -e '/not found/d' -n -e '1 s/.* \([1-9][0-9\.]*\).*/\1/p'
+    $1 --version 2>&1 | sed -e '/not found/d' -e 's/.* //' -n -e '1 s/\([0-9][0-9\.]*\).*/\1/p'
 }
 
 ## $1 = version string, eg "2.59"
@@ -76,7 +76,7 @@ minor_version ()
 check_version ()
 {
     ## Respect eg $AUTOMAKE if it is set, like autoreconf does.
-    uprog=`echo $1 | sed 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+    uprog=`echo $1 | sed -e 's/-/_/g' -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
 
     eval uprog=\$${uprog}
 
@@ -114,7 +114,9 @@ missing=
 
 for prog in $progs; do
 
-    eval min=\$${prog}_min
+    sprog=`echo "$prog" | sed 's/-/_/g'`
+
+    eval min=\$${sprog}_min
 
     echo "Checking for $prog (need at least version $min)..."
 
@@ -133,7 +135,7 @@ for prog in $progs; do
 
     if [ $retval -ne 0 ]; then
         missing="$missing $prog"
-        eval ${prog}_why=\""$stat"\"
+        eval ${sprog}_why=\""$stat"\"
     fi
 
 done
@@ -147,7 +149,9 @@ Building Emacs from the repository requires the following specialized programs:
 EOF
 
     for prog in $progs; do
-        eval min=\$${prog}_min
+        sprog=`echo "$prog" | sed 's/-/_/g'`
+
+        eval min=\$${sprog}_min
 
         echo "$prog (minimum version $min)"
     done
@@ -159,7 +163,9 @@ Your system seems to be missing the following tool(s):
 EOF
 
     for prog in $missing; do
-        eval why=\$${prog}_why
+        sprog=`echo "$prog" | sed 's/-/_/g'`
+
+        eval why=\$${sprog}_why
 
         echo "$prog ($why)"
     done
@@ -188,7 +194,7 @@ this script.
 If you know that the required versions are in your PATH, but this
 script has made an error, then you can simply run
 
-autoreconf -i -I m4
+autoreconf -fi -I m4
 
 instead of this script.
 
@@ -198,11 +204,13 @@ EOF
     exit 1
 fi
 
-echo "Your system has the required tools, running autoreconf..."
+echo 'Your system has the required tools.'
+echo "Running 'autoreconf -fi -I m4' ..."
 
 
 ## Let autoreconf figure out what, if anything, needs doing.
-autoreconf -i -I m4 || exit $?
+## Use autoreconf's -f option in case autoreconf itself has changed.
+autoreconf -fi -I m4 || exit $?
 
 ## Create a timestamp, so that './autogen.sh; make' doesn't
 ## cause 'make' to needlessly run 'autoheader'.
@@ -218,6 +226,7 @@ if test -d .git/hooks; then
        tailored_hooks="$tailored_hooks $hook"
     done
     for hook in applypatch-msg pre-applypatch; do
+       test ! -r .git/hooks/$hook.sample ||
        cmp .git/hooks/$hook.sample .git/hooks/$hook >/dev/null 2>&1 ||
        sample_hooks="$sample_hooks $hook"
     done
@@ -248,7 +257,7 @@ if test -d .git/hooks; then
     fi
 fi
 
-echo "You can now run \`./configure'."
+echo "You can now run './configure'."
 
 exit 0