refine CMakeLists.txt and build_doc.sh

doc/CMakeLists.txt

+add_subdirectory(api)
+add_subdirectory(v2)

doc/v2/CMakeLists.txt

@@ -16,7 +16,7 @@ set(SPHINX_CACHE_DIR_EN "${CMAKE_CURRENT_BINARY_DIR}/en/_doctrees")
 set(SPHINX_HTML_DIR_EN "${CMAKE_CURRENT_BINARY_DIR}/en/html")
 
 configure_file(
-    "${CMAKE_CURRENT_SOURCE_DIR}/templates/conf.py.en.in"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../templates/conf.py.en.in"
     "${BINARY_BUILD_DIR_EN}/conf.py"
     @ONLY)
 
@@ -37,7 +37,7 @@ set(SPHINX_CACHE_DIR_CN "${CMAKE_CURRENT_BINARY_DIR}/cn/_doctrees")
 set(SPHINX_HTML_DIR_CN "${CMAKE_CURRENT_BINARY_DIR}/cn/html")
 
 configure_file(
-    "${CMAKE_CURRENT_SOURCE_DIR}/templates/conf.py.cn.in"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../templates/conf.py.cn.in"
     "${BINARY_BUILD_DIR_CN}/conf.py"
     @ONLY)
 
@@ -47,5 +47,3 @@ sphinx_add_target(paddle_docs_cn
                   ${SPHINX_CACHE_DIR_CN}
                   ${CMAKE_CURRENT_SOURCE_DIR}
                   ${SPHINX_HTML_DIR_CN})
-
-add_subdirectory(api)

doc/v2/howto/optimization/gpu_profiling_cn.rst

@@ -55,7 +55,7 @@ above profilers.
 
 :code:`paddle/math/test` 目录中的 :code:`test_GpuProfiler` 就是用于展示上述分析工具的用法。
 
-.. literalinclude:: ../../../paddle/math/tests/test_GpuProfiler.cpp
+.. literalinclude:: ../../../../paddle/math/tests/test_GpuProfiler.cpp
    :language: c++
    :lines: 137-151
    :linenos:
@@ -83,7 +83,7 @@ program crashes when CPU version of PaddlePaddle invokes them.
 
 1. 加入 :code:`REGISTER_TIMER_INFO` 和 :code:`printAllStatus` 函数（如高亮部分）。
 
-    .. literalinclude:: ../../../paddle/math/tests/test_GpuProfiler.cpp
+    .. literalinclude:: ../../../../paddle/math/tests/test_GpuProfiler.cpp
         :language: c++
         :lines: 137-151
         :emphasize-lines: 8-12,14
@@ -130,7 +130,7 @@ nvprof 工具
 
 1. 将 :code:`REGISTER_GPU_PROFILER` 函数加到代码中（参考强调部分）。
 
-    .. literalinclude:: ../../../paddle/math/tests/test_GpuProfiler.cpp
+    .. literalinclude:: ../../../../paddle/math/tests/test_GpuProfiler.cpp
         :language: c++
         :lines: 137-151
         :emphasize-lines: 6-7

doc/v2/howto/optimization/gpu_profiling_en.rst

@@ -54,7 +54,7 @@ In this tutorial, we will focus on nvprof and nvvp.
 :code:`test_GpuProfiler` from :code:`paddle/math/tests` directory will be used to evaluate
 above profilers.
 
-.. literalinclude:: ../../../paddle/math/tests/test_GpuProfiler.cpp
+.. literalinclude:: ../../../../paddle/math/tests/test_GpuProfiler.cpp
    :language: c++
    :lines: 137-151
    :linenos:
@@ -80,7 +80,7 @@ As a simple example, consider the following:
 
 1. Add :code:`REGISTER_TIMER_INFO` and :code:`printAllStatus` functions (see the emphasize-lines).
 
-    .. literalinclude:: ../../../paddle/math/tests/test_GpuProfiler.cpp
+    .. literalinclude:: ../../../../paddle/math/tests/test_GpuProfiler.cpp
         :language: c++
         :lines: 137-151
         :emphasize-lines: 8-12,14
@@ -127,7 +127,7 @@ To use this command line profiler **nvprof**, you can simply issue the following
 
 1. Add :code:`REGISTER_GPU_PROFILER` function (see the emphasize-lines).
 
-    .. literalinclude:: ../../../paddle/math/tests/test_GpuProfiler.cpp
+    .. literalinclude:: ../../../../paddle/math/tests/test_GpuProfiler.cpp
         :language: c++
         :lines: 137-151
         :emphasize-lines: 6-7

paddle/scripts/travis/build_doc.sh

@@ -12,8 +12,8 @@ make -j `nproc` copy_paddle_pybind
 make -j `nproc` paddle_docs paddle_docs_cn paddle_api_docs
 
 # check websites for broken links
-linkchecker doc/en/html/index.html
-linkchecker doc/cn/html/index.html
+linkchecker doc/v2/en/html/index.html
+linkchecker doc/v2/cn/html/index.html
 linkchecker doc/api/en/html/index.html
 
 # Parse Github URL
@@ -55,8 +55,8 @@ function deploy_docs() {
   set +e
   rm -rf ${DIR}/doc ${DIR}/doc_cn ${DIR}/api_doc
   set -e
-  cp -r ../doc/cn/html ${DIR}/doc_cn
-  cp -r ../doc/en/html ${DIR}/doc
+  cp -r ../doc/v2/cn/html ${DIR}/doc_cn
+  cp -r ../doc/v2/en/html ${DIR}/doc
   cp -r ../doc/api/en/html ${DIR}/api_doc
   git add .
 }