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Fix CMake configure under CMake 3.1 with MSVC under Windows.

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This commit is contained in:
Dan Liew 2016-02-29 18:18:58 +00:00
parent e8a9209577
commit 7ac9172600
3 changed files with 24 additions and 6 deletions
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20
CMakeLists.txt
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@ -1,7 +1,22 @@
# Enforce some CMake policies
cmake_minimum_required(VERSION 2.8.12)
if (POLICY CMP0054)
# FIXME: This is horrible. With the old behaviour,
# quoted strings like "MSVC" in if() conditionals
# get implicitly dereferenced. The NEW behaviour
# doesn't do this but CMP0054 was only introduced
# in CMake 3.1 and we support lower versions as the
# minimum. We could set NEW here but it would be very
# confusing to use NEW for some builds and OLD for others
# which could lead to some subtle bugs. Instead when the
# minimum version is 3.1 change this policy to NEW and remove
# the hacks in place to work around it.
cmake_policy(SET CMP0054 OLD)
endif()
# This overrides the default flags for the different CMAKE_BUILD_TYPEs
set(CMAKE_USER_MAKE_RULES_OVERRIDE "${CMAKE_CURRENT_SOURCE_DIR}/cmake/compiler_flags_override.cmake")
project(Z3 C CXX)
cmake_minimum_required(VERSION 2.8.12)
################################################################################
# Project version
@ -210,7 +225,8 @@ endif()
if ("${TARGET_ARCHITECTURE}" STREQUAL "x86_64")
if (("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU") OR ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang"))
set(SSE_FLAGS "-mfpmath=sse" "-msse" "-msse2")
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "MSVC")
# FIXME: Remove "x.." when CMP0054 is set to NEW
elseif ("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")
set(SSE_FLAGS "/arch:SSE2")
else()
message(FATAL_ERROR "Unknown compiler ${CMAKE_CXX_COMPILER_ID}")