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authorBrad King <brad.king@kitware.com>2018-08-07 12:18:25 (GMT)
committerBrad King <brad.king@kitware.com>2018-08-07 16:04:58 (GMT)
commitaefb8559dca283b81d20a3f40afc8f39e6161ecb (patch)
treee77c6db11f97208b77b9d624e0aadf7e3995502d /Source/cmFindPackageCommand.h
parent276d3c7afe45f26232cf1e9664ad34037d28a52a (diff)
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IWYU: Fix workaround mapping for std::hash
It is provided by `functional`, not `utility`. Fix the mapping added by commit 276d3c7afe (IWYU: Add workaround mapping for std::hash, 2018-07-31). Also generalize the workaround from commit v3.12.0-rc1~39^2~1 (IWYU: Define a macro to tell code it is preprocessing for iwyu, 2018-05-25) to allow local builds to configure specific flags. This is needed because iwyu behaves differently in different environments.
Diffstat (limited to 'Source/cmFindPackageCommand.h')
-rw-r--r--Source/cmFindPackageCommand.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/Source/cmFindPackageCommand.h b/Source/cmFindPackageCommand.h
index d8c7ab3..48f17ef 100644
--- a/Source/cmFindPackageCommand.h
+++ b/Source/cmFindPackageCommand.h
@@ -7,6 +7,7 @@
#include "cm_kwiml.h"
#include <cstddef>
+#include <functional>
#include <map>
#include <set>
#include <string>
@@ -15,14 +16,12 @@
// IWYU insists we should forward-declare instead of including <functional>,
// but we cannot forward-declare reliably because some C++ standard libraries
// put the template in an inline namespace.
-#ifdef CMAKE_IWYU
+#ifdef CMAKE_IWYU_FORWARD_STD_HASH
/* clang-format off */
namespace std {
template <class T> struct hash;
}
/* clang-format on */
-#else
-# include <functional>
#endif
#include "cmFindCommon.h"