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Added minimum compiler version assertions

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We now require (and enforce at compile time):
- GCC 4.8+
- clang 3.3+ (5.0+ for Apple's renumbered clang)
- MSVC 2015u3+
- ICC 15+

This also updates the versions listed in the README, and removes a
now-redundant MSVC version check.
This commit is contained in:
Jason Rhinelander 2017-03-14 11:38:22 -03:00
parent 3d591e8f2f
commit 5a9247872d
2 changed files with 31 additions and 4 deletions
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4
README.md
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@ -96,9 +96,9 @@ In addition to the core functionality, pybind11 provides some extra goodies:
## Supported compilers
1. Clang/LLVM (any non-ancient version with C++11 support)
1. Clang/LLVM 3.3 or newer (for Apple Xcode's clang, this is 5.0.0 or newer)
2. GCC 4.8 or newer
3. Microsoft Visual Studio 2015 or newer
3. Microsoft Visual Studio 2015 Update 3 or newer
4. Intel C++ compiler 16 or newer (15 with a [workaround](https://github.com/pybind/pybind11/issues/276))
5. Cygwin/GCC (tested on 2.5.1)

31
include/pybind11/common.h
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@ -28,6 +28,33 @@
# endif
#endif
// Compiler version assertions
#if defined(__INTEL_COMPILER)
# if __INTEL_COMPILER < 1500
# error pybind11 requires Intel C++ compiler v15 or newer
# endif
#elif defined(__clang__) && !defined(__apple_build_version__)
# if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 3)
# error pybind11 requires clang 3.3 or newer
# endif
#elif defined(__clang__)
// Apple changes clang version macros to its Xcode version; the first Xcode release based on
// (upstream) clang 3.3 was Xcode 5:
# if __clang_major__ < 5
# error pybind11 requires Xcode/clang 5.0 or newer
# endif
#elif defined(__GNUG__)
# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
# error pybind11 requires gcc 4.8 or newer
# endif
#elif defined(_MSC_VER)
// Pybind hits various compiler bugs in 2015u2 and earlier, and also makes use of some stl features
// (e.g. std::negation) added in 2015u3:
# if _MSC_FULL_VER < 190024213
# error pybind11 requires MSVC 2015 update 3 or newer
# endif
#endif
#if !defined(PYBIND11_EXPORT)
# if defined(WIN32) || defined(_WIN32)
# define PYBIND11_EXPORT __declspec(dllexport)
@ -651,8 +678,8 @@ struct error_scope {
/// Dummy destructor wrapper that can be used to expose classes with a private destructor
struct nodelete { template <typename T> void operator()(T*) { } };
// overload_cast requires variable templates: C++14 or MSVC 2015 Update 2
#if defined(PYBIND11_CPP14) || _MSC_FULL_VER >= 190023918
// overload_cast requires variable templates: C++14 or MSVC
#if defined(PYBIND11_CPP14) || defined(_MSC_VER)
#define PYBIND11_OVERLOAD_CAST 1
NAMESPACE_BEGIN(detail)