Build flex 2.5.11.

sysa/flex-2.5.11/flex-2.5.11.sh

@@ -0,0 +1,22 @@
+# When we rebuild flex it no longer needs patching
+# and can use simplified makefile
+src_prepare() {
+    if test -d /lex; then
+        default_src_prepare
+    else
+        cp ../../mk/main2.mk Makefile
+    fi
+    touch config.h
+    rm parse.c parse.h scan.c
+}
+
+src_install() {
+    if test -d /lex; then
+        # Remove lex, later  make install will symlink lex to flex
+        rm -rf /lex
+        rm -f "${PREFIX}/bin/lex"
+        rm -f "${PREFIX}/lib/libl.a"
+    fi
+    
+    default_src_install
+}