fix unittests link on mingw64

cmake/unittests.cmake

@@ -14,6 +14,11 @@ if (REPERTORY_ENABLE_TESTING)
 
   if (MINGW)
     find_package(GTest REQUIRED)
+    set(GTEST_LIBRARIES
+      /mingw64/lib/libgmock.a
+      /mingw64/lib/libgtest.a
+      /mingw64/lib/libgtest_main.a
+    )
   else()
     set(GTEST_PROJECT_NAME gtest_${GTEST_VERSION})
     set(GTEST_BUILD_ROOT ${EXTERNAL_BUILD_ROOT}/builds/${GTEST_PROJECT_NAME})

docker/64_bit/mingw64

@@ -948,8 +948,6 @@ RUN set -ex \
     && cd build \
     && cmake .. -DCMAKE_TOOLCHAIN_FILE=${MY_TOOLCHAIN_FILE_CMAKE} \
       -DCMAKE_BUILD_TYPE=Release \
-      -DBUILD_SHARED_LIBS=ON \
-      -DBUILD_STATIC_LIBS=ON \
       -DCMAKE_INSTALL_PREFIX=${MY_MINGW} \
     && make -j${MY_NUM_JOBS} \
     && make install \