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https://github.com/Kitware/CMake.git
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ec08bc1752
Forward `CMAKE_<LANG>_FLAGS` and `CMAKE_<LANG>_FLAGS_DEBUG` from the
calling project into the test project. The set of flags may affect the
availability of IPO support. Since this may change the result of the
check for existing projects, add a policy for compatibility.
This was discovered after commit 5fcadc481e (MSVC: Default to -ZI
instead of /Zi for x86 and x64, 2022-05-24) introduced policy CMP0138 to
switch our default for MSVC's debug info flag. The `-ZI` flag is
incompatible with the `-GL` flag used for IPO, so CMP0138 was reverted
pending future work on an alternative solution. Re-use the CMP0138
policy number for this change to CheckIPOSupported instead.
Fixes: #23607
25 lines
639 B
CMake
25 lines
639 B
CMake
include(RunCMake)
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run_cmake(Inspect)
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include("${RunCMake_BINARY_DIR}/Inspect-build/info.cmake")
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run_cmake(unparsed-arguments)
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run_cmake(user-lang-unknown)
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run_cmake(default-lang-none)
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run_cmake(not-supported-by-cmake)
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run_cmake(not-supported-by-compiler)
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run_cmake(save-to-result)
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run_cmake(cmp0069-is-old)
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if(_CMAKE_C_IPO_SUPPORTED_BY_CMAKE
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AND _CMAKE_C_IPO_MAY_BE_SUPPORTED_BY_COMPILER
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AND NOT RunCMake_GENERATOR MATCHES "^Visual Studio 9 ")
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run_cmake(CMP0138-WARN)
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run_cmake(CMP0138-OLD)
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run_cmake(CMP0138-NEW)
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endif()
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if(RunCMake_GENERATOR MATCHES "^Visual Studio 9 ")
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run_cmake(not-supported-by-generator)
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endif()
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