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author | Brad Larson <bklarson@gmail.com> | 2017-07-12 14:45:19 -0500 |
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committer | Brad Larson <bklarson@gmail.com> | 2017-07-12 14:45:19 -0500 |
commit | 81142e162b7eea2c3f3483a11ce13a7fb5c20b88 (patch) | |
tree | b82c2c848868dfeb93667b48a75ba3670aad1d00 /src/google/protobuf/stubs/hash.h | |
parent | 727c0dc1fae6c7b72f59fb29f47a52f133618461 (diff) | |
download | protobuf-81142e162b7eea2c3f3483a11ce13a7fb5c20b88.tar.gz protobuf-81142e162b7eea2c3f3483a11ce13a7fb5c20b88.tar.bz2 protobuf-81142e162b7eea2c3f3483a11ce13a7fb5c20b88.zip |
Fix build when using -Werror=undef
Correct a couple places where macros were being checked when they
might not exist in some cases.
Fixes #3356.
Diffstat (limited to 'src/google/protobuf/stubs/hash.h')
-rw-r--r-- | src/google/protobuf/stubs/hash.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/google/protobuf/stubs/hash.h b/src/google/protobuf/stubs/hash.h index 5924de98..612b5861 100644 --- a/src/google/protobuf/stubs/hash.h +++ b/src/google/protobuf/stubs/hash.h @@ -42,7 +42,7 @@ #define GOOGLE_PROTOBUF_HAVE_HASH_SET 1 // Use C++11 unordered_{map|set} if available. -#if ((_LIBCPP_STD_VER >= 11) || \ +#if ((defined(_LIBCPP_STD_VER) && _LIBCPP_STD_VER >= 11) || \ (((__cplusplus >= 201103L) || defined(__GXX_EXPERIMENTAL_CXX0X)) && \ (__GLIBCXX__ > 20090421))) # define GOOGLE_PROTOBUF_HAS_CXX11_HASH |