Unable to locate GTest/Gmock when running build.sh on unbunt 18.04

[libing64]

I tried to build the code with TEST enabled.
./build.sh -te

Here is the error log:
`libing@libing:~/source/gnss/GPSTk$ ./build.sh -te
Run cmake -DBUILD_PYTHON=ON -DPYTHON_EXECUTABLE=/usr/bin/python -DBUILD_EXT=ON -DTEST_SWITCH=ON -DADDRESS_SANITIZER=ON -DCMAKE_CXX_FLAGS=-O3 /home/libing/source/gnss/GPSTk ##########################

cmake -DBUILD_PYTHON=ON -DPYTHON_EXECUTABLE=/usr/bin/python -DBUILD_EXT=ON -DTEST_SWITCH=ON -DADDRESS_SANITIZER=ON -DCMAKE_CXX_FLAGS=-O3 /home/libing/source/gnss/GPSTk
CMake Warning at core/tests/ORD/CMakeLists.txt:42 (message):
Unable to locate GTest/GMock. Some tests cannot be run.

CMake Error at /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
Could NOT find SWIG (missing: SWIG_EXECUTABLE SWIG_DIR)
Call Stack (most recent call first):
/usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
/usr/share/cmake-3.10/Modules/FindSWIG.cmake:63 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
swig/CMakeLists.txt:10 (find_package)

Error 1 :-(
See /home/libing/source/gnss/GPSTk/build/libing-master/Testing/Temporary/LastTest.log for detailed test log
See /home/libing/source/gnss/GPSTk/build/libing-master/build.log for detailed build log
`

[libing64]

The latest google-mock has been installed.
xxx@xxx:~$ sudo apt-get install google-mock Reading package lists... Done Building dependency tree Reading state information... Done google-mock is already the newest version (1.8.0-6). google-mock set to manually installed. The following packages were automatically installed and are no longer required: comerr-dev krb5-multidev libcapnp-0.5.3 libclang1-3.6 libfcitx-qt0 libgssrpc4 libhardware2 libhybris libhybris-common1 libjasper-dev libjs-excanvas libkadm5clnt-mit11 libkadm5clnt-mit9 libkadm5srv-mit11 libkdb5-9 libllvm3.6v5 libmedia1 libmirclient-dev libmircommon-dev libmircookie-dev libmircookie2 libmircore-dev libobjc-5-dev libopencc1 libqbscore1 libqbsqtprofilesetup1 libqt5clucene5 libqtwebkit4 libraptor1 libruby2.3 libsodium18 libsox2 libwebpdemux1 libxkbcommon-dev prosper python-ecdsa python-gpgme qml-module-qtwebkit ruby2.3 texlive-generic-recommended unixodbc x11proto-dri2-dev x11proto-gl-dev xserver-xorg-input-evdev-hwe-16.04 xserver-xorg-input-synaptics-hwe-16.04 xserver-xorg-legacy-hwe-16.04 xserver-xorg-video-amdgpu-hwe-16.04 xserver-xorg-video-qxl-hwe-16.04 xserver-xorg-video-vesa-hwe-16.04 Use 'sudo apt autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 85 not upgraded.

[libing64]

This issue has been solved by reinstalling gtest and gmock.