forked from etc/pineapple-src
32 lines
1.2 KiB
Diff
Executable file
32 lines
1.2 KiB
Diff
Executable file
diff --git a//CMakeLists.txt b/CMakeLists.txt
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index 4d03fee..42bb13c 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -43,6 +43,14 @@ if (APPLE AND NOT DEFINED CMAKE_CXX_STANDARD)
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set(CMAKE_CXX_STANDARD 11)
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endif ()
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+find_package(absl CONFIG REQUIRED)
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+
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+# Use CMAKE_CXX_STANDARD=17 if ABSL_USE_CXX17 is set
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+if (ABSL_USE_CXX17)
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+ message(STATUS "Found absl uses CXX17, enable CXX17 feature.")
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+ set(CMAKE_CXX_STANDARD 17)
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+endif ()
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+
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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message(
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diff --git a/google/cloud/internal/port_platform.h b/google/cloud/internal/port_platform.h
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index f02cb7a..0ea8c9c 100644
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--- a/google/cloud/internal/port_platform.h
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+++ b/google/cloud/internal/port_platform.h
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@@ -49,6 +49,8 @@
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// Abort compilation if the compiler does not support C++11.
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#if GOOGLE_CLOUD_CPP_CPP_VERSION < 201103L
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# error "C++11 or newer is required"
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+#elif defined(ABSL_USE_CXX17) && GOOGLE_CLOUD_CPP_CPP_VERSION < 201703L
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+# error "Compiled to use Abseil with C++17 support, but using with C++ < C++17"
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#endif // GOOGLE_CLOUD_CPP_CPP_VERSION < 201103L
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// Abort the build if the version of the compiler is too old. With CMake we
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