fix errors in travis
@@ -92,7 +92,7 @@ install:
- |
if [[ "${TRAVIS_OS_NAME}" == "linux" ]]; then
CMAKE_URL="https://cmake.org/files/v3.12/cmake-3.12.4-Linux-x86_64.tar.gz"
- mkdir cmake && travis_retry wget --no-check-certificate --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
+ mkdir -p cmake && travis_retry wget --no-clobber --no-check-certificate --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
export PATH=${DEPS_DIR}/cmake/bin:${PATH}
echo ${PATH}
else
