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# Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# This file includes Windows specific hacks, mostly around compiler flags
INCLUDE (CheckCSourceCompiles)
INCLUDE (CheckCXXSourceCompiles)
INCLUDE (CheckStructHasMember)
INCLUDE (CheckLibraryExists)
INCLUDE (CheckFunctionExists)
INCLUDE (CheckCCompilerFlag)
INCLUDE (CheckCSourceRuns)
INCLUDE (CheckSymbolExists)
INCLUDE (CheckTypeSize)
# Optionally read user configuration, generated by configure.js.
# This is left for backward compatibility reasons only.
INCLUDE(${CMAKE_BINARY_DIR}/win/configure.data OPTIONAL)
# avoid running system checks by using pre-cached check results
# system checks are expensive on VS since every tiny program is to be compiled in
# a VC solution.
GET_FILENAME_COMPONENT(_SCRIPT_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
INCLUDE(${_SCRIPT_DIR}/WindowsCache.cmake)
# OS display name (version_compile_os etc).
# Used by the test suite to ignore bugs on some platforms,
IF(CMAKE_SIZEOF_VOID_P MATCHES 8)
SET(SYSTEM_TYPE "Win64")
ELSE()
SET(SYSTEM_TYPE "Win32")
ENDIF()
# Intel compiler is almost Visual C++
# (same compile flags etc). Set MSVC flag
IF(CMAKE_C_COMPILER MATCHES "icl")
SET(MSVC TRUE)
ENDIF()
ADD_DEFINITIONS(-D_WINDOWS -D__WIN__ -D_CRT_SECURE_NO_DEPRECATE)
ADD_DEFINITIONS(-D_WIN32_WINNT=0x0501)
# We do not want the windows.h macros min/max
ADD_DEFINITIONS(-DNOMINMAX)
# Speed up build process excluding unused header files
ADD_DEFINITIONS(-DWIN32_LEAN_AND_MEAN)
# Adjust compiler and linker flags
IF(MINGW AND CMAKE_SIZEOF_VOID_P EQUAL 4)
# mininal architecture flags, i486 enables GCC atomics
ADD_DEFINITIONS(-march=i486)
ENDIF()
IF(MSVC)
# Enable debug info also in Release build,
# and create PDB to be able to analyze crashes.
FOREACH(type EXE SHARED MODULE)
SET(CMAKE_{type}_LINKER_FLAGS_RELEASE
"${CMAKE_${type}_LINKER_FLAGS_RELEASE} /debug")
ENDFOREACH()
# Force static runtime libraries
# - Choose debugging information:
# /Z7
# Produces an .obj file containing full symbolic debugging
# information for use with the debugger. The symbolic debugging
# information includes the names and types of variables, as well as
# functions and line numbers. No .pdb file is produced by the compiler.
FOREACH(lang C CXX)
SET(CMAKE_${lang}_FLAGS_RELEASE "${CMAKE_${lang}_FLAGS_RELEASE} /Z7")
ENDFOREACH()
FOREACH(flag
CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_DEBUG_INIT
CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_DEBUG_INIT)
STRING(REPLACE "/MD" "/MT" "${flag}" "${${flag}}")
STRING(REPLACE "/Zi" "/Z7" "${flag}" "${${flag}}")
ENDFOREACH()
# Remove support for exceptions
FOREACH(flag CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_INIT)
STRING(REPLACE "/EHsc" "" "${flag}" "${${flag}}")
ENDFOREACH()
# Fix CMake's predefined huge stack size
FOREACH(type EXE SHARED MODULE)
STRING(REGEX REPLACE "/STACK:([^ ]+)" "" CMAKE_${type}_LINKER_FLAGS "${CMAKE_${type}_LINKER_FLAGS}")
STRING(REGEX REPLACE "/INCREMENTAL:([^ ]+)" "" CMAKE_${type}_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_${type}_LINKER_FLAGS_RELWITHDEBINFO}")
ENDFOREACH()
# Mark 32 bit executables large address aware so they can
# use > 2GB address space
IF(CMAKE_SIZEOF_VOID_P MATCHES 4)
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /LARGEADDRESSAWARE")
ENDIF()
# Speed up multiprocessor build
IF (MSVC_VERSION GREATER 1400)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /MP")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
ENDIF()
#TODO: update the code and remove the disabled warnings
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4800 /wd4805 /wd4996")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4800 /wd4805 /wd4996 /we4099")
IF(CMAKE_SIZEOF_VOID_P MATCHES 8)
# _WIN64 is defined by the compiler itself.
# Yet, we define it here again to work around a bug with Intellisense
# described here: http://tinyurl.com/2cb428.
# Syntax highlighting is important for proper debugger functionality.
ADD_DEFINITIONS("-D_WIN64")
ENDIF()
ENDIF()
# Always link with socket library
LINK_LIBRARIES(ws2_32)
# ..also for tests
SET(CMAKE_REQUIRED_LIBRARIES ws2_32)
# System checks
SET(SIGNAL_WITH_VIO_CLOSE 1) # Something that runtime team needs
# IPv6 constants appeared in Vista SDK first. We need to define them in any case if they are
# not in headers, to handle dual mode sockets correctly.
CHECK_SYMBOL_EXISTS(IPPROTO_IPV6 "winsock2.h" HAVE_IPPROTO_IPV6)
IF(NOT HAVE_IPPROTO_IPV6)
SET(HAVE_IPPROTO_IPV6 41)
ENDIF()
CHECK_SYMBOL_EXISTS(IPV6_V6ONLY "winsock2.h;ws2ipdef.h" HAVE_IPV6_V6ONLY)
IF(NOT HAVE_IPV6_V6ONLY)
SET(IPV6_V6ONLY 27)
ENDIF()
# Some standard functions exist there under different
# names (e.g popen is _popen or strok_r is _strtok_s)
# If a replacement function exists, HAVE_FUNCTION is
# defined to 1. CMake variable <function_name> will also
# be defined to the replacement name.
# So for example, CHECK_FUNCTION_REPLACEMENT(popen _popen)
# will define HAVE_POPEN to 1 and set variable named popen
# to _popen. If the header template, one needs to have
# cmakedefine popen @popen@ which will expand to
# define popen _popen after CONFIGURE_FILE
MACRO(CHECK_FUNCTION_REPLACEMENT function replacement)
STRING(TOUPPER ${function} function_upper)
CHECK_FUNCTION_EXISTS(${function} HAVE_${function_upper})
IF(NOT HAVE_${function_upper})
CHECK_FUNCTION_EXISTS(${replacement} HAVE_${replacement})
IF(HAVE_${replacement})
SET(HAVE_${function_upper} 1 )
SET(${function} ${replacement})
ENDIF()
ENDIF()
ENDMACRO()
MACRO(CHECK_SYMBOL_REPLACEMENT symbol replacement header)
STRING(TOUPPER ${symbol} symbol_upper)
CHECK_SYMBOL_EXISTS(${symbol} ${header} HAVE_${symbol_upper})
IF(NOT HAVE_${symbol_upper})
CHECK_SYMBOL_EXISTS(${replacement} ${header} HAVE_${replacement})
IF(HAVE_${replacement})
SET(HAVE_${symbol_upper} 1)
SET(${symbol} ${replacement})
ENDIF()
ENDIF()
ENDMACRO()
CHECK_SYMBOL_REPLACEMENT(S_IROTH _S_IREAD sys/stat.h)
CHECK_SYMBOL_REPLACEMENT(S_IFIFO _S_IFIFO sys/stat.h)
CHECK_SYMBOL_REPLACEMENT(SIGQUIT SIGTERM signal.h)
CHECK_SYMBOL_REPLACEMENT(SIGPIPE SIGINT signal.h)
CHECK_SYMBOL_REPLACEMENT(isnan _isnan float.h)
CHECK_SYMBOL_REPLACEMENT(finite _finite float.h)
CHECK_FUNCTION_REPLACEMENT(popen _popen)
CHECK_FUNCTION_REPLACEMENT(pclose _pclose)
CHECK_FUNCTION_REPLACEMENT(access _access)
CHECK_FUNCTION_REPLACEMENT(strcasecmp _stricmp)
CHECK_FUNCTION_REPLACEMENT(strncasecmp _strnicmp)
CHECK_FUNCTION_REPLACEMENT(snprintf _snprintf)
CHECK_FUNCTION_REPLACEMENT(strtok_r strtok_s)
CHECK_FUNCTION_REPLACEMENT(strtoll _strtoi64)
CHECK_FUNCTION_REPLACEMENT(strtoull _strtoui64)
CHECK_FUNCTION_REPLACEMENT(vsnprintf _vsnprintf)
CHECK_TYPE_SIZE(ssize_t SIZE_OF_SSIZE_T)
IF(NOT HAVE_SIZE_OF_SSIZE_T)
SET(ssize_t SSIZE_T)
ENDIF()
SET(FN_NO_CASE_SENSE 1)
SET(USE_SYMDIR 1)
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