move scripts to file to work around ppc64le problem with multiline cmds

.travis.yml

@@ -124,19 +124,10 @@ before_install:
       fi
     # Set DEBUG_PRINT environment variable in settings
     - if [ -n "${DEBUG_PRINT}" ]; then set -x; fi
-    - source multibuild/common_utils.sh
-    - source multibuild/travis_steps.sh
-    - before_install
+    - ./travis_before_install.sh
 
 install:
-    # Maybe get and clean and patch source
-    - clean_code $REPO_DIR $BUILD_COMMIT
-    - ./patch_code.sh $REPO_DIR
-    - if [ "$TRAVIS_OS_NAME"  == "linux" ]; then
-          export CFLAGS=${CFLAGS}" -Wno-sign-compare -Wno-unused-result\
-                                   -Wno-strict-aliasing";
-      fi
-    - build_wheel $REPO_DIR $PLAT
+    - ./travis_install.sh
 
 script:
     - install_run $PLAT

travis_before_install.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+source multibuild/common_utils.sh
+source multibuild/travis_steps.sh
+before_install
+

travis_install.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Maybe get and clean and patch source
+clean_code $REPO_DIR $BUILD_COMMIT
+./patch_code.sh $REPO_DIR
+if [ "$TRAVIS_OS_NAME"  == "linux" ]; then
+    export CFLAGS=${CFLAGS}" -Wno-sign-compare -Wno-unused-result\
+                             -Wno-strict-aliasing";
+fi
+build_wheel $REPO_DIR $PLAT