1. add python version selection 2.add dynamic flags setting. (#29612)

paddle/scripts/musl_build/Dockerfile

@@ -11,8 +11,9 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+ARG PYTHON_VERSION=3.7
 
-FROM python:3.7-alpine3.11
+FROM python:${PYTHON_VERSION}-alpine3.11
 
 USER root
 

paddle/scripts/musl_build/README.md

@@ -90,7 +90,7 @@ make -j8
    compiling docker building script. it use alpine linux 3.10 as musl linux build enironment. it will try to install all the compiling tools, development packages, and python requirements for paddle musl compiling.
     
     environment variables:
-
+   - PYTHON_VERSION: the version of python used for image building, default=3.7.
    - WITH_PRUNE_DAYS: prune old docker images, with days limitation.
    - WITH_REBUILD: force to rebuild the image, default=0.
    - WITH_REQUIREMENT: build with the python requirements, default=1.
@@ -103,10 +103,11 @@ make -j8
 2. **build_paddle.sh** automatically or manually paddle building script. it will mount the root directory of paddle source to /paddle, and run compile procedure in /root/build directory. the output wheel package will save to the ./output directory relative to working directory.
 
     environment variables:
-
     - BUILD_MAN: build the paddle manually, default=0.
     - WITH_TEST: build with unitest, and run unitest check, default=0.
-    - WITH_PRUNE_CONTAINER: remove the container after building, default=0.
+    - WITH_PRUNE_CONTAINER: remove the container after building, default=1.
+    - CTEST_*: CTEST flages used for unit test.
+    - FLAGS_*: build flages used for paddle building.
     - HTTP_PROXY: use http proxy.
     - HTTPS_PROXY: use https proxy.
 

paddle/scripts/musl_build/build_docker.sh

@@ -24,6 +24,7 @@ source "$CUR_DIR/config.sh"
 WITH_REQUIREMENT="${WITH_REQUIREMENT-0}"
 WITH_UT_REQUIREMENT="${WITH_UT_REQUIREMENT-0}"
 WITH_REBUILD="${WITH_REBUILD-0}"
+PYTHON_VERSION="${PYTHON_VERSION-3.7}"
 
 # exit when any command fails
 set -e
@@ -43,6 +44,8 @@ function prune_image(){
 
 function build_image(){
     declare -a BUILD_ARGS
+    BUILD_ARGS+=("--build-arg" "PYTHON_VERSION=$PYTHON_VERSION")
+    echo ">>> python version: $PYTHON_VERSION"
     
     if [ "$HTTP_PROXY" ]; then
         BUILD_ARGS+=("--build-arg" "http_proxy=$HTTP_PROXY")

paddle/scripts/musl_build/build_inside.sh

@@ -18,6 +18,8 @@ PADDLE_DIR=/paddle
 BUILD_DIR=$PWD/build
 
 echo ">>> paddle: $PADDLE_DIR"
+export PADDLE_ROOT="$PADDLE_DIR"
+
 echo ">>> python: $PYTHON_VERSION"
 
 # exit when any command fails
@@ -64,7 +66,7 @@ fi
 echo ">>> compile source code"
 set -x
 
-export FLAGS_call_stack_level=2
+export FLAGS_call_stack_level="${FLAGS_call_stack_level-2}"
 
 cmake "$PADDLE_DIR" \
     -DWITH_MUSL=ON \

paddle/scripts/musl_build/build_paddle.sh

@@ -82,6 +82,16 @@ if [ "$BUILD_MAN" != "1" ]; then
         echo ">>> install unit test requirement"
     fi
 
+    for CTEST_FLAGS in $(env | grep ^CTEST_); do
+        RUN_ARGS+=("--env" "$CTEST_FLAGS")
+        echo ">>> ctest: $CTEST_FLAGS"
+    done
+
+     for CBUILD_FLAGS in $(env | grep ^FLAGS_); do
+        RUN_ARGS+=("--env" "$CBUILD_FLAGS")
+        echo ">>> flags: $CBUILD_FLAGS"
+    done
+
     if [ "$WITH_PRUNE_CONTAINER" == "1" ]; then
         echo ">>> with prune container"
         RUN_ARGS+=("--rm")