[Cmake-commits] CMake branch, master, updated. v3.15.0-413-g4cd039b

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The branch, master has been updated
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       via  9dfb66372ee398a9587364c42ed9c54cc226ced9 (commit)
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- Log -----------------------------------------------------------------
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=4cd039b78a955972a9c2b3947f267ce4b93489a0
commit 4cd039b78a955972a9c2b3947f267ce4b93489a0
Merge: dbffd2f 9dfb663
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Mon Jul 22 13:04:02 2019 +0000
Commit:     Kitware Robot <kwrobot at kitware.com>
CommitDate: Mon Jul 22 09:04:11 2019 -0400

    Merge topic 'bootstrap-c++14'
    
    9dfb66372e bootstrap: Verify C++14 capabilities before using them
    
    Acked-by: Kitware Robot <kwrobot at kitware.com>
    Merge-request: !3587


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=9dfb66372ee398a9587364c42ed9c54cc226ced9
commit 9dfb66372ee398a9587364c42ed9c54cc226ced9
Author:     Brad King <brad.king at kitware.com>
AuthorDate: Mon Jul 15 07:58:18 2019 -0400
Commit:     Brad King <brad.king at kitware.com>
CommitDate: Thu Jul 18 11:10:12 2019 -0400

    bootstrap: Verify C++14 capabilities before using them
    
    In commit a605bf438e (Extend C++17/C++14 feature checks to cover more
    standard library APIs, 2019-02-27, cpp-modules-20190312.1~52^2~1) we
    added checks to the main build of CMake to verify C++14 capabilities
    before using C++14 flags to build.  Add these to the bootstrap check
    too.

diff --git a/bootstrap b/bootstrap
index c2194fe..41431cc 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1125,6 +1125,25 @@ echo '
 #error "SunPro <= 5.13 mode not supported due to bug in move semantics."
 #endif
 
+#if __cplusplus > 201103L
+#include <iterator>
+int check_cxx14()
+{
+  int a[] = { 0, 1, 2 };
+  auto ai = std::cbegin(a);
+
+  int b[] = { 2, 1, 0 };
+  auto bi = std::cend(b);
+
+  return *ai + *(bi - 1);
+}
+#else
+int check_cxx14()
+{
+  return 0;
+}
+#endif
+
 class Class
 {
 public:
@@ -1135,7 +1154,7 @@ private:
 int main()
 {
   auto const c = std::unique_ptr<Class>(new Class);
-  std::cout << c->Get() << std::endl;
+  std::cout << c->Get() << check_cxx14() << std::endl;
   return 0;
 }
 ' > "${TMPFILE}.cxx"

-----------------------------------------------------------------------

Summary of changes:
 bootstrap | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)


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