From 21b6127dbcff3060d25a49b13921df3dc3aeda4a Mon Sep 17 00:00:00 2001
From: Manuel Weberndorfer <manuel.weberndorfer@id.ethz.ch>
Date: Wed, 28 Apr 2021 09:15:38 +0000
Subject: [PATCH] customize finding googletest
- use source at /usr/src/googletest if not found
- automatically builds library in dev environment
---
cmake/modules/FindAE108_GTest.cmake | 50 +++++++++++++++++++++++++++++
cmdline/test/CMakeLists.txt | 2 +-
cppptest/src/CMakeLists.txt | 2 +-
elements/test/CMakeLists.txt | 2 +-
4 files changed, 53 insertions(+), 3 deletions(-)
create mode 100644 cmake/modules/FindAE108_GTest.cmake
diff --git a/cmake/modules/FindAE108_GTest.cmake b/cmake/modules/FindAE108_GTest.cmake
new file mode 100644
index 00000000..4ced8d16
--- /dev/null
+++ b/cmake/modules/FindAE108_GTest.cmake
@@ -0,0 +1,50 @@
+# © 2021 ETH Zurich, Mechanics and Materials Lab
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+find_package(GTest 1.8.1 CONFIG)
+if (NOT GTest_FOUND)
+ set(FETCHCONTENT_SOURCE_DIR_AE108_GOOGLETEST "/usr/src/googletest")
+ if (IS_DIRECTORY "${FETCHCONTENT_SOURCE_DIR_AE108_GOOGLETEST}")
+ message(STATUS
+ "GTest was not found, using source at ${FETCHCONTENT_SOURCE_DIR_AE108_GOOGLETEST} instead."
+ )
+
+ include(FetchContent)
+ FetchContent_Declare("ae108_googletest")
+ FetchContent_GetProperties(
+ ae108_googletest
+ SOURCE_DIR ae108_googletest_SOURCE_DIR
+ BINARY_DIR ae108_googletest_BINARY_DIR
+ POPULATED ae108_googletest_POPULATED
+ )
+ if (NOT ae108_googletest_POPULATED)
+ FetchContent_Populate("ae108_googletest")
+ add_subdirectory(
+ "${ae108_googletest_SOURCE_DIR}"
+ "${ae108_googletest_BINARY_DIR}"
+ EXCLUDE_FROM_ALL
+ )
+ endif()
+
+ foreach(LIBRARY_NAME gtest gmock gtest_main gmock_main)
+ add_library("GTest::${LIBRARY_NAME}" ALIAS "${LIBRARY_NAME}")
+ endforeach()
+
+ set(GTest_FOUND TRUE)
+ endif()
+endif()
+
+find_package_handle_standard_args(AE108_GTest
+ REQUIRED_VARS GTest_FOUND
+)
\ No newline at end of file
diff --git a/cmdline/test/CMakeLists.txt b/cmdline/test/CMakeLists.txt
index 27137239..969628f4 100644
--- a/cmdline/test/CMakeLists.txt
+++ b/cmdline/test/CMakeLists.txt
@@ -19,7 +19,7 @@ add_executable(${PROJECT_NAME}-CmdLineTests
./CommandLineOptionParser_Test.cc
)
-find_package(GTest 1.8.1 CONFIG REQUIRED)
+find_package(AE108_GTest MODULE REQUIRED)
target_link_libraries(${PROJECT_NAME}-CmdLineTests
PRIVATE ${PROJECT_NAME}::cmdline
PRIVATE GTest::gmock_main
diff --git a/cppptest/src/CMakeLists.txt b/cppptest/src/CMakeLists.txt
index ce8fd36c..b58b60c1 100644
--- a/cppptest/src/CMakeLists.txt
+++ b/cppptest/src/CMakeLists.txt
@@ -25,8 +25,8 @@ add_library(${PROJECT_NAME}::cppptest ALIAS ${PROJECT_NAME}-cppptest)
target_include_directories(${PROJECT_NAME}-cppptest PUBLIC include)
+find_package(AE108_GTest MODULE REQUIRED)
find_package(AE108_PETSc 3.10 MODULE REQUIRED)
-find_package(GTest 1.8.1 CONFIG REQUIRED)
target_link_libraries(${PROJECT_NAME}-cppptest
PRIVATE ${PROJECT_NAME}::external::petsc
PUBLIC GTest::gmock
diff --git a/elements/test/CMakeLists.txt b/elements/test/CMakeLists.txt
index 49076723..0e038c9f 100644
--- a/elements/test/CMakeLists.txt
+++ b/elements/test/CMakeLists.txt
@@ -46,7 +46,7 @@ add_executable(${PROJECT_NAME}-ElementsTests
add_test(NAME ${PROJECT_NAME}-ElementsTests COMMAND $<TARGET_FILE:${PROJECT_NAME}-ElementsTests>)
-find_package(GTest 1.8.1 CONFIG REQUIRED)
+find_package(AE108_GTest MODULE REQUIRED)
target_link_libraries(${PROJECT_NAME}-ElementsTests PUBLIC
${PROJECT_NAME}-elements
GTest::gmock_main
--
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