Make CppInterOp work with new gtest target names. #643
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Starting from CMake v3.23, one can use GTest::gtest and similar in CMake. Since the root-project wants to move to these targets, Interop should work with both the new or the old target names in order not to start building its own gtest.
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vgvassilev
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Jun 24, 2025
aaronj0
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Adds various upstreamed developments: compiler-research/CppInterOp#650 streamlines the logic in Cpp::Construct to be more generic. compiler-research/CppInterOp#643 by @hageboeck making CppInterOp work with new gtest target names Fixed wrapper name conflicts with ROOT that also uses `__cf`, allowing us to integrate JitCall incrementally and co-exist with CallFunc Fixes related to the cppyy forks Unrelated work on Emscripten and WebAssembly
aaronj0
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Jun 28, 2025
Adds various upstreamed developments: compiler-research/CppInterOp#650 streamlines the logic in Cpp::Construct to be more generic. compiler-research/CppInterOp#643 by @hageboeck making CppInterOp work with new gtest target names Fixed wrapper name conflicts with ROOT that also uses `__cf`, allowing us to integrate JitCall incrementally and co-exist with CallFunc Fixes related to the cppyy forks Unrelated work on Emscripten and WebAssembly
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Starting from CMake v3.23, one can use GTest::gtest and similar in CMake. Since the root-project wants to move to these targets, it would be great if Interop works with either, to avoid it building its own gtest.
Note that in addition to adding the new target names, I removed the conditional inclusion of gmock, because it is needed to compile
EXPECT_THATandStartsWithinInterpreterTests.cpp. One could either rewrite the test without those (I found that too intrusive), or always link to gmock.I tested if gmock_main is needed (it doesn't seem to be), so I removed the dependency.