Ugly autotools foo. nodist_HEADERS requires automake 1.6 or later. add

this requirement to AUTOMAKE_OPTIONS and port the corresponding autogen
support from libao.


git-svn-id: http://svn.xiph.org/trunk/ogg@5549 0101bb08-14d6-0310-b084-bc0e0c8e3800

1 files changed, 49 insertions, 11 deletions

diff --git a/autogen.sh b/autogen.sh
index ccdc164..a2d3731 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -20,15 +20,53 @@ echo "checking for autoconf... "
         DIE=1
 }
 
-echo "checking for automake... "
-(automake --version) < /dev/null > /dev/null 2>&1 || {
+VERSIONGREP="sed -e s/.*[^0-9\.]\([0-9]\.[0-9]\).*/\1/"
+                                                                                
+# do we need automake?
+if test -r Makefile.am; then
+  AM_NEEDED=`fgrep AUTOMAKE_OPTIONS Makefile.am | $VERSIONGREP`
+  if test -z $AM_NEEDED; then
+    echo -n "checking for automake... "
+    AUTOMAKE=automake
+    ACLOCAL=aclocal
+    if ($AUTOMAKE --version < /dev/null > /dev/null 2>&1); then
+      echo "no"
+      AUTOMAKE=
+    else
+      echo "yes"
+    fi
+  else
+    echo -n "checking for automake $AM_NEEDED or later... "
+    for am in automake-$AM_NEEDED automake$AM_NEEDED automake; do
+      ($am --version < /dev/null > /dev/null 2>&1) || continue
+      ver=`$am --version < /dev/null | head -1 | $VERSIONGREP`
+      if test $ver = $AM_NEEDED; then
+        AUTOMAKE=$am
+        echo $AUTOMAKE
+        break
+      fi
+    done
+    test -z $AUTOMAKE &&  echo "no"
+    echo -n "checking for aclocal $AM_NEEDED or later... "
+    for ac in aclocal-$AM_NEEDED aclocal$AM_NEEDED aclocal; do
+      ($ac --version < /dev/null > /dev/null 2>&1) || continue
+      ver=`$ac --version < /dev/null | head -1 | $VERSIONGREP`
+      if test $ver = $AM_NEEDED; then
+        ACLOCAL=$ac
+        echo $ACLOCAL
+        break
+      fi
+    done
+    test -z $ACLOCAL && echo "no"
+  fi
+  test -z $AUTOMAKE || test -z $ACLOCAL && {
         echo
         echo "You must have automake installed to compile $package."
-	echo "Download the appropriate package for your system,"
-	echo "or get the source from one of the GNU ftp sites"
-	echo "listed in http://www.gnu.org/order/ftp.html"
-        DIE=1
-}
+        echo "Download the appropriate package for your distribution,"
+        echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/"
+        exit 1
+  }
+fi
 
 echo -n "checking for libtool... "
 for LIBTOOLIZE in libtoolize glibtoolize nope; do
@@ -60,14 +98,14 @@ fi
 
 echo "Generating configuration files for $package, please wait...."
 
-echo "  aclocal $ACLOCAL_FLAGS"
-aclocal $ACLOCAL_FLAGS
+echo "  $ACLOCAL $ACLOCAL_FLAGS"
+$ACLOCAL $ACLOCAL_FLAGS
 #echo "  autoheader"
 #autoheader
 echo "  $LIBTOOLIZE --automake"
 $LIBTOOLIZE --automake
-echo "  automake --add-missing $AUTOMAKE_FLAGS"
-automake --add-missing $AUTOMAKE_FLAGS 
+echo "  $AUTOMAKE --add-missing $AUTOMAKE_FLAGS"
+$AUTOMAKE --add-missing $AUTOMAKE_FLAGS 
 echo "  autoconf"
 autoconf