travis: make distdir before make

.travis.yml

@@ -58,9 +58,11 @@ script:
     - depends/$HOST/native/bin/ccache --max-size=$CCACHE_SIZE
     - test -n "$USE_SHELL" && eval '"$USE_SHELL" -c "./autogen.sh"' || ./autogen.sh
     - mkdir build && cd build
-    - ../configure $BITCOIN_CONFIG_ALL $BITCOIN_CONFIG || ( cat config.log && false)
+    - ../configure --cache-file=config.cache $BITCOIN_CONFIG_ALL $BITCOIN_CONFIG || ( cat config.log && false)
+    - make distdir VERSION=$HOST
+    - cd bitcoin-$HOST
+    - ./configure --cache-file=../config.cache $BITCOIN_CONFIG_ALL $BITCOIN_CONFIG || ( cat config.log && false)
     - make $MAKEJOBS $GOAL || ( echo "Build failure. Verbose build follows." && make $GOAL V=1 ; false )
-    - make distdir
     - export LD_LIBRARY_PATH=$TRAVIS_BUILD_DIR/depends/$HOST/lib
     - if [ "$RUN_TESTS" = "true" ]; then make $MAKEJOBS check VERBOSE=1; fi
     - if [ "$RUN_TESTS" = "true" ]; then qa/pull-tester/rpc-tests.py --coverage; fi