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remove reinterpret cast occurrences that require disabling strict alias analysis #987 #1210

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-08-17 20:41:29 -07:00
parent a3ccdaf318
commit e1d08e9526
2 changed files with 4 additions and 8 deletions
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4
CMakeLists.txt
View file

@ -234,22 +234,18 @@ if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
if ("${TARGET_ARCHITECTURE}" STREQUAL "x86_64") if ("${TARGET_ARCHITECTURE}" STREQUAL "x86_64")
list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_USE_THREAD_LOCAL") list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_USE_THREAD_LOCAL")
endif() endif()
z3_add_cxx_flag("-fno-strict-aliasing" REQUIRED)
elseif ("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin") elseif ("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
# Does OSX really not need any special flags? # Does OSX really not need any special flags?
message(STATUS "Platform: Darwin") message(STATUS "Platform: Darwin")
elseif ("${CMAKE_SYSTEM_NAME}" MATCHES "FreeBSD") elseif ("${CMAKE_SYSTEM_NAME}" MATCHES "FreeBSD")
message(STATUS "Platform: FreeBSD") message(STATUS "Platform: FreeBSD")
list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_FREEBSD_") list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_FREEBSD_")
z3_add_cxx_flag("-fno-strict-aliasing" REQUIRED)
elseif ("${CMAKE_SYSTEM_NAME}" MATCHES "OpenBSD") elseif ("${CMAKE_SYSTEM_NAME}" MATCHES "OpenBSD")
message(STATUS "Platform: OpenBSD") message(STATUS "Platform: OpenBSD")
list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_OPENBSD_") list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_OPENBSD_")
z3_add_cxx_flag("-fno-strict-aliasing" REQUIRED)
elseif (CYGWIN) elseif (CYGWIN)
message(STATUS "Platform: Cygwin") message(STATUS "Platform: Cygwin")
list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_CYGWIN") list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_CYGWIN")
z3_add_cxx_flag("-fno-strict-aliasing" REQUIRED)
elseif (WIN32) elseif (WIN32)
message(STATUS "Platform: Windows") message(STATUS "Platform: Windows")
list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_WINDOWS") list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_WINDOWS")

8
scripts/mk_util.py
View file

@ -2443,26 +2443,26 @@ def mk_config():
SO_EXT = '.dylib' SO_EXT = '.dylib'
SLIBFLAGS = '-dynamiclib' SLIBFLAGS = '-dynamiclib'
elif sysname == 'Linux': elif sysname == 'Linux':
CXXFLAGS = '%s -fno-strict-aliasing -D_LINUX_' % CXXFLAGS CXXFLAGS = '%s -D_LINUX_' % CXXFLAGS
OS_DEFINES = '-D_LINUX_' OS_DEFINES = '-D_LINUX_'
SO_EXT = '.so' SO_EXT = '.so'
LDFLAGS = '%s -lrt' % LDFLAGS LDFLAGS = '%s -lrt' % LDFLAGS
SLIBFLAGS = '-shared' SLIBFLAGS = '-shared'
SLIBEXTRAFLAGS = '%s -lrt' % SLIBEXTRAFLAGS SLIBEXTRAFLAGS = '%s -lrt' % SLIBEXTRAFLAGS
elif sysname == 'FreeBSD': elif sysname == 'FreeBSD':
CXXFLAGS = '%s -fno-strict-aliasing -D_FREEBSD_' % CXXFLAGS CXXFLAGS = '%s -D_FREEBSD_' % CXXFLAGS
OS_DEFINES = '-D_FREEBSD_' OS_DEFINES = '-D_FREEBSD_'
SO_EXT = '.so' SO_EXT = '.so'
LDFLAGS = '%s -lrt' % LDFLAGS LDFLAGS = '%s -lrt' % LDFLAGS
SLIBFLAGS = '-shared' SLIBFLAGS = '-shared'
SLIBEXTRAFLAGS = '%s -lrt' % SLIBEXTRAFLAGS SLIBEXTRAFLAGS = '%s -lrt' % SLIBEXTRAFLAGS
elif sysname == 'OpenBSD': elif sysname == 'OpenBSD':
CXXFLAGS = '%s -fno-strict-aliasing -D_OPENBSD_' % CXXFLAGS CXXFLAGS = '%s -D_OPENBSD_' % CXXFLAGS
OS_DEFINES = '-D_OPENBSD_' OS_DEFINES = '-D_OPENBSD_'
SO_EXT = '.so' SO_EXT = '.so'
SLIBFLAGS = '-shared' SLIBFLAGS = '-shared'
elif sysname[:6] == 'CYGWIN': elif sysname[:6] == 'CYGWIN':
CXXFLAGS = '%s -D_CYGWIN -fno-strict-aliasing' % CXXFLAGS CXXFLAGS = '%s -D_CYGWIN' % CXXFLAGS
OS_DEFINES = '-D_CYGWIN' OS_DEFINES = '-D_CYGWIN'
SO_EXT = '.dll' SO_EXT = '.dll'
SLIBFLAGS = '-shared' SLIBFLAGS = '-shared'