Add quakespasm, and OpenGL+SDL-based port of quake1.

ports/quakespasm/build.sh

 #!/bin/bash
 # Copyright (c) 2013 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-BUILD_DIR=${SRC_DIR}
-EXECUTABLES=quake${NACL_EXEEXT}
-
-PatchStep() {
-  DefaultPatchStep
-  cp ${START_DIR}/Makefile ${BUILD_DIR}
-}
+BUILD_DIR=${SRC_DIR}/Quake
+EXECUTABLES=quakespasm${NACL_EXEEXT}
+MAKE_TARGETS="MP3LIB=mpg123"
 
 ConfigureStep() {
   return
 }
 
 BuildStep() {
   make clean
+  if [ "${NACL_DEBUG}" = "1" ]; then
+    MAKE_TARGETS+=" DEBUG=1"
+  fi
   SetupCrossEnvironment
   DefaultBuildStep
 }
 
 InstallStep() {
   MakeDir ${PUBLISH_DIR}
   LogExecute cp ${START_DIR}/quake.html ${PUBLISH_DIR}
-  LogExecute cp ${BUILD_DIR}/quake${NACL_EXEEXT} ${PUBLISH_DIR}
+  LogExecute cp ${BUILD_DIR}/quakespasm${NACL_EXEEXT} ${PUBLISH_DIR}
   ChangeDir ${PUBLISH_DIR}
-  LogExecute ${NACL_SDK_ROOT}/tools/create_nmf.py -s . quake${NACL_EXEEXT} \
-      -o quake.nmf
+  LogExecute ${NACL_SDK_ROOT}/tools/create_nmf.py -s . \
+      quakespasm${NACL_EXEEXT} -o quake.nmf

[binji, 2014/06/30 19:43:14]

quakespasm.{nmf,html}

[Sam Clegg, 2014/07/18 23:16:44]

Done.

   if [ "${NACL_ARCH}" = "pnacl" ]; then
     sed -i.bak 's/x-nacl/x-pnacl/' quake.html
   fi
 }