qt5base-lts/mkspecs/common/msvc-version.conf
Thiago Macieira 780137d585 QRandom: add support for RDSEED
The Intel whitepaer[1] recommends using the RDSEED over RDRAND whenever
present. libstdc++ from GCC 10 will also use it in std::random_device.

[ChangeLog][QtCore][QRandomGenerator] The system() random generator will
now use the RDSEED instruction on x86 processors whenever available as
the first source of random data. It will fall back to RDRAND and then to
the system functions, in that order.

[1] https://software.intel.com/en-us/articles/intel-digital-random-number-generator-drng-software-implementation-guide

Change-Id: I907a43cd9a714da288a2fffd15bab176e54e1975
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2019-10-09 07:31:28 -07:00

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#
# qmake configuration for Microsoft Visual Studio C/C++ Compiler
# This file is used by win32-msvc and all winrt-XXX-msvcXXX specs
#
#
# Version-specific changes
#
isEmpty(QMAKE_MSC_VER): error("msvc-version.conf loaded but QMAKE_MSC_VER isn't set")
MSVC_VER = 8.0
COMPAT_MKSPEC = win32-msvc2005
greaterThan(QMAKE_MSC_VER, 1499) {
# Visual Studio 2008 (9.0) / Visual C++ 15.0 and up
MSVC_VER = 9.0
COMPAT_MKSPEC = win32-msvc2008
QMAKE_CFLAGS_MP = -MP
QMAKE_CXXFLAGS_MP = $$QMAKE_CFLAGS_MP
}
greaterThan(QMAKE_MSC_VER, 1599) {
# Visual Studio 2010 (10.0) / Visual C++ 16.0 and up
MSVC_VER = 10.0
COMPAT_MKSPEC = win32-msvc2010
MAKEFILE_GENERATOR = MSBUILD
QMAKE_CFLAGS_AVX = -arch:AVX
QMAKE_CFLAGS_AVX2 = -arch:AVX
VCPROJ_EXTENSION = .vcxproj
}
greaterThan(QMAKE_MSC_VER, 1699) {
# Visual Studio 2012 (11.0) / Visual C++ 17.0 and up
MSVC_VER = 11.0
COMPAT_MKSPEC = win32-msvc2012
QMAKE_CXXFLAGS_EXCEPTIONS_OFF = /wd4530 /wd4577
QT_CONFIG += c++11
CONFIG += c++11
}
greaterThan(QMAKE_MSC_VER, 1799) {
# Visual Studio 2013 (12.0) / Visual C++ 18.0 and up
MSVC_VER = 12.0
COMPAT_MKSPEC = win32-msvc2013
QMAKE_CFLAGS += -FS
QMAKE_CXXFLAGS += -FS -Zc:rvalueCast -Zc:inline
QMAKE_CFLAGS_F16C = -arch:AVX
QMAKE_CFLAGS_RDRND =
QMAKE_CFLAGS_RDSEED =
equals(QMAKE_MSC_VER, 1800) {
QMAKE_CFLAGS_RELEASE += -Zc:strictStrings
QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO += -Zc:strictStrings
QMAKE_CXXFLAGS_RELEASE += -Zc:strictStrings
QMAKE_CXXFLAGS_RELEASE_WITH_DEBUGINFO += -Zc:strictStrings
}
}
greaterThan(QMAKE_MSC_VER, 1899) {
# Visual Studio 2015 (14.0) / Visual C++ 19.0 and up
MSVC_VER = 14.0
COMPAT_MKSPEC = win32-msvc2015
QMAKE_CFLAGS += -Zc:strictStrings
QMAKE_CFLAGS_WARN_ON += -w44456 -w44457 -w44458
QMAKE_CFLAGS_AVX2 = -arch:AVX2
QMAKE_CXXFLAGS += -Zc:strictStrings -Zc:throwingNew
QMAKE_CXXFLAGS_WARN_ON += -w44456 -w44457 -w44458 -wd4577 -wd4467
# -utf-8 compiler option for Visual Studio 2015 Update 2
greaterThan(QMAKE_MSC_FULL_VER, 190023918): QMAKE_CFLAGS_UTF8_SOURCE = -utf-8
}
greaterThan(QMAKE_MSC_VER, 1909) {
# Visual Studio 2017 (15.0) / Visual C++ 19.10 and up
MSVC_VER = 15.0
COMPAT_MKSPEC = win32-msvc2017
QMAKE_CXXFLAGS += -Zc:referenceBinding
# Only Visual Studio 2017 version 15.3 / Visual C++ 19.11 & up have support
# for AVX-512. We enable the switches anyway and let configure check if they
# work.
QMAKE_CFLAGS_AVX512F = -arch:AVX512
QMAKE_CFLAGS_AVX512ER = -arch:AVX512
QMAKE_CFLAGS_AVX512CD = -arch:AVX512
QMAKE_CFLAGS_AVX512PF = -arch:AVX512
QMAKE_CFLAGS_AVX512DQ = -arch:AVX512
QMAKE_CFLAGS_AVX512BW = -arch:AVX512
QMAKE_CFLAGS_AVX512VL = -arch:AVX512
QMAKE_CFLAGS_AVX512IFMA = -arch:AVX512
QMAKE_CFLAGS_AVX512VBMI = -arch:AVX512
# For now permissive fails as soon as UWP API comes into play. In qtbase this
# API is used in direct2d, but also in multimedia, positioning and sensors.
# We can try again with a later version of Visual Studio.
# QMAKE_CXXFLAGS_STRICTCXX = -permissive-
# MSVC partially supports the following, but '__cplusplus' definition is set
# as for C++98 until MSVC fully conforms with C++14, see
# https://developercommunity.visualstudio.com/content/problem/139261/msvc-incorrectly-defines-cplusplus.html
# Support became available in MSVC 2017 15.7:
greaterThan(QMAKE_MSC_VER, 1913) {
QMAKE_CXXFLAGS += -Zc:__cplusplus
QMAKE_CXXFLAGS_CXX14 = -std:c++14
QMAKE_CXXFLAGS_CXX1Z = -std:c++17
}
}
greaterThan(QMAKE_MSC_VER, 1910) {
# No compat spec past MSVC 2017
COMPAT_MKSPEC =
}
greaterThan(QMAKE_MSC_VER, 1919) {
# Visual Studio 2019 (16.0) / Visual C++ 19.20 and up
MSVC_VER = 16.0
QMAKE_CXXFLAGS_CXX2A = -std:c++latest
}
!isEmpty(COMPAT_MKSPEC):!$$COMPAT_MKSPEC: CONFIG += $$COMPAT_MKSPEC