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