1. add init_make_config in build_in_travis_ci.sh; 2. move compile-with-bazel into script

.travis.yml

@@ -29,5 +29,4 @@ install:
 #- if [[  "$USE_MESALINK" == "yes" ]]; then curl https://sh.rustup.rs -sSf | sh -s -- -y && source $HOME/.cargo/env && wget https://github.com/mesalock-linux/mesalink/archive/v0.8.0.tar.gz && tar -xf v0.8.0.tar.gz && cd mesalink-0.8.0 && ./autogen.sh --prefix=/usr/  && make && sudo make install && cd - ; fi
 
 script:
-- if [[ "$PURPOSE" == "compile-with-bazel" ]]; then bazel build -j 12 -c opt --copt -DHAVE_ZLIB=1 //...          ; fi
 - sh build_in_travis_ci.sh

build_in_travis_ci.sh

@@ -21,6 +21,7 @@ runcmd(){
 
 echo "build combination: PURPOSE=$PURPOSE CXX=$CXX CC=$CC"
 
+init_make_config() {
 #EXTRA_BUILD_OPTS=""
 #if [ "$USE_MESALINK" = "yes" ]; then
 #    EXTRA_BUILD_OPTS="$EXTRA_BUILD_OPTS --with-mesalink"
@@ -31,14 +32,19 @@ if ! sh config_brpc.sh --headers=/usr/include --libs=/usr/lib --nodebugsymbols -
     echo "Fail to configure brpc"
     exit 1
 fi
+}
 
 if [ "$PURPOSE" = "compile" ]; then
+    init_make_config
     make -j4 && sh tools/make_all_examples
 elif [ "$PURPOSE" = "unittest" ]; then
+    init_make_config
     cd test
     make -j4 && sh ./run_tests.sh
 elif [ "$PURPOSE" = "compile-with-cmake" ]; then
     rm -rf bld && mkdir bld && cd bld && cmake .. && make -j4
+elif [ "$PURPOSE" = "compile-with-bazel" ]; then
+    bazel build -j 12 -c opt --copt -DHAVE_ZLIB=1 //...
 else
     echo "Unknown purpose=\"$PURPOSE\""
 fi