setup cmake

.gitignore

+build
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CMakeLists.txt

+cmake_minimum_required(VERSION 3.12)
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+include(FetchContent)
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
+
+
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+
+set(CMAKE_BUILD_TYPE Debug)
+
+enable_testing()
+
+project(intersection)
+
+add_executable(
+	tests
+	tests/simple_triangle_tests.cpp
+)
+
+target_link_libraries(
+	tests
+  GTest::gtest_main
+)
+
+include(GoogleTest)
+gtest_discover_tests(tests)
+

tests/simple_triangle_tests.cpp

+#include "gtest/gtest.h"
+
+TEST (TriangleIntersectionTests, TriangleIntersection) {
+
+}
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