Use shared gtest instead of submodule
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 617e4b2..2857875 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,7 +18,6 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
include(GNUInstallDirs)
project(leelaz)
-add_subdirectory(gtest EXCLUDE_FROM_ALL) # We don't want to install gtest, exclude it from `all`
# Required Packages
set(Boost_MIN_VERSION "1.58.0")
@@ -27,6 +26,7 @@ find_package(Boost 1.58.0 REQUIRED program_options filesystem)
find_package(Threads REQUIRED)
find_package(ZLIB REQUIRED)
find_package(OpenCL REQUIRED)
+find_package(GTest REQUIRED)
# We need OpenBLAS for now, because we make some specific
# calls. Ideally we'd use OpenBLAS is possible and fall back to
# not doing those calls if it's not present.
@@ -93,6 +93,7 @@ include_directories(${IncludePath})
include_directories(${Boost_INCLUDE_DIRS})
include_directories(${OpenCL_INCLUDE_DIRS})
include_directories(${ZLIB_INCLUDE_DIRS})
+include_directories(${GTEST_INCLUDE_DIRS})
if((UNIX AND NOT APPLE) OR WIN32)
include_directories(${BLAS_INCLUDE_DIRS})
@@ -141,7 +142,8 @@ target_link_libraries(tests ${Boost_LIBRARIES})
target_link_libraries(tests ${BLAS_LIBRARIES})
target_link_libraries(tests ${OpenCL_LIBRARIES})
target_link_libraries(tests ${ZLIB_LIBRARIES})
-target_link_libraries(tests gtest_main ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries(tests ${GTEST_BOTH_LIBRARIES})
+target_link_libraries(tests ${CMAKE_THREAD_LIBS_INIT})
include(GetGitRevisionDescription)
git_describe(VERSION --tags)
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