remove legacy WITH_DOC option

test=develop

Author: luotao1

CMakeLists.txt

@@ -276,9 +276,3 @@ add_subdirectory(paddle)
 if(WITH_PYTHON)
     add_subdirectory(python)
 endif()
-
-if(WITH_DOC)
-    find_package(Sphinx REQUIRED)
-    find_python_module(recommonmark REQUIRED)
-    add_subdirectory(doc)
-endif()

Dockerfile

@@ -11,12 +11,10 @@ RUN /bin/bash -c 'if [[ -n ${UBUNTU_MIRROR} ]]; then sed -i 's#http://archive.ub
 # ENV variables
 ARG WITH_GPU
 ARG WITH_AVX
-ARG WITH_DOC
 
 ENV WOBOQ OFF
 ENV WITH_GPU=${WITH_GPU:-ON}
 ENV WITH_AVX=${WITH_AVX:-ON}
-ENV WITH_DOC=${WITH_DOC:-OFF}
 
 ENV HOME /root
 # Add bash enhancements

cmake/FindSphinx.cmake

@@ -173,7 +173,6 @@ function cmake_gen() {
         -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE:-Release}
         ${PYTHON_FLAGS}
         -DWITH_DSO=ON
-        -DWITH_DOC=${WITH_DOC:-OFF}
         -DWITH_GPU=${WITH_GPU:-OFF}
         -DWITH_AMD_GPU=${WITH_AMD_GPU:-OFF}
         -DWITH_DISTRIBUTE=${distibuted_flag}
@@ -208,7 +207,6 @@ EOF
         -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE:-Release} \
         ${PYTHON_FLAGS} \
         -DWITH_DSO=ON \
-        -DWITH_DOC=${WITH_DOC:-OFF} \
         -DWITH_GPU=${WITH_GPU:-OFF} \
         -DWITH_AMD_GPU=${WITH_AMD_GPU:-OFF} \
         -DWITH_DISTRIBUTE=${distibuted_flag} \
@@ -528,31 +526,6 @@ function bind_test() {
     wait
 }
 
-
-function gen_docs() {
-    mkdir -p ${PADDLE_ROOT}/build
-    cd ${PADDLE_ROOT}/build
-    cat <<EOF
-    ========================================
-    Building documentation ...
-    In /paddle/build
-    ========================================
-EOF
-    cmake .. \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DWITH_DOC=ON \
-        -DWITH_GPU=OFF \
-        -DWITH_MKL=OFF
-
-    make -j `nproc` paddle_docs paddle_apis
-
-    # check websites for broken links
-    linkchecker doc/v2/en/html/index.html
-    linkchecker doc/v2/cn/html/index.html
-    linkchecker doc/v2/api/en/html/index.html
-
-}
-
 function gen_doc_lib() {
     mkdir -p ${PADDLE_ROOT}/build
     cd ${PADDLE_ROOT}/build
@@ -564,7 +537,6 @@ function gen_doc_lib() {
 EOF
     cmake .. \
         -DCMAKE_BUILD_TYPE=Release \
-        -DWITH_DOC=ON \
         -DWITH_GPU=OFF \
         -DWITH_MKL=OFF \
         -DWITH_FLUID_ONLY=ON
@@ -803,9 +775,6 @@ function main() {
       bind_test)
         bind_test
         ;;
-      doc)
-        gen_docs
-        ;;
       gen_doc_lib)
         gen_doc_lib $2
         ;;