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25 lines
747 B
CMake
25 lines
747 B
CMake
# Test if compile errors are produced where necessary.
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include(CheckCXXSourceCompiles)
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set(CMAKE_REQUIRED_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR}/..)
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function (expect_compile_error code)
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check_cxx_source_compiles("
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#include \"format.cc\"
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int main() {
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${code}
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}
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" compiles)
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set (does_compile ${compiles})
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# Unset the CMake cache variable compiles. Otherwise the compile test will
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# just use cached information next time it runs.
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unset(compiles CACHE)
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if (does_compile)
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error("No compile error for: ${code}")
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endif ()
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endfunction ()
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# Writing a wide character to a character stream Writer is forbidden.
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expect_compile_error("fmt::Writer() << L'a';")
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expect_compile_error("fmt::Writer() << fmt::pad(\"abc\", 5, L' ');")
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