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mingw/msvc support for enabling aslr/dep

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This commit is contained in:
Corey Richardson 2014-09-06 14:39:39 -04:00
parent 2b05626f06
commit ec001a0216
1 changed files with 34 additions and 2 deletions
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36
CMakeLists.txt
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@ -11,7 +11,7 @@ set(GLFW_VERSION_FULL "${GLFW_VERSION}.${GLFW_VERSION_PATCH}${GLFW_VERSION_EXTRA
set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64") set(LIB_SUFFIX "" CACHE STRING "Takes an empty string or 64. Directory where lib will be installed: lib or lib64")
option(BUILD_SHARED_LIBS "Build shared libraries" OFF) option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
option(GLFW_FORCE_NOFPIC "Don't build with -fPIC" OFF) option(GLFW_FORCE_INSECURE "Don't build with -fPIC on UNIX, or ASLR/DEP support on Windows. On Windows, a single insecure DLL will disable security for the entire executable. Use this lightly." OFF)
option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON) option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON) option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON) option(GLFW_BUILD_DOCS "Build the GLFW documentation" ON)
@ -23,8 +23,40 @@ if (WIN32)
option(GLFW_USE_OPTIMUS_HPG "Force use of high-performance GPU on Optimus systems" OFF) option(GLFW_USE_OPTIMUS_HPG "Force use of high-performance GPU on Optimus systems" OFF)
endif() endif()
if (UNIX AND NOT GLFW_FORCE_NOFPIC) if (UNIX AND NOT GLFW_FORCE_INSECURE)
set(CMAKE_C_FLAGS "-fPIC ${CMAKE_C_FLAGS}") set(CMAKE_C_FLAGS "-fPIC ${CMAKE_C_FLAGS}")
elseif(MINGW AND NOT GLFW_FORCE_INSECURE)
include(CheckCCompilerFlag)
# These default to on in MSVC, when available, but not with MinGW.
# Only needed for DLLs.
# Vista+
set(CMAKE_REQUIRED_FLAGS "-Wl,--nxcompat")
check_c_compiler_flag("" _DEP_AVAIL)
# XP SP2+
set(CMAKE_REQUIRED_FLAGS "-Wl,--dynamicbase")
check_c_compiler_flag("" _ASLR_AVAIL)
# 64-bit ASLR
set(CMAKE_REQUIRED_FLAGS "-Wl,--high-entropy-va")
check_c_compiler_flag("" _64ASLR_AVAIL)
if(_DEP_AVAIL)
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--nxcompat ${CMAKE_SHARED_LINKER_FLAGS}")
endif()
if(_ASLR_AVAIL)
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--dynamicbase ${CMAKE_SHARED_LINKER_FLAGS}")
endif()
if(_64ASLR_AVAIL)
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--high-entropy-va ${CMAKE_SHARED_LINKER_FLAGS}")
endif()
elseif(MSVC AND GLFW_FORCE_INSECURE)
# HIGHENTROPYVA will be NO if DYNAMICBASE is.
set(CMAKE_SHARED_LINKER_FLAGS "/DYNAMICBASE:NO /NXCOMPAT:NO ${CMAKE_SHARED_LINKER_FLAGS}")
endif() endif()
if (APPLE) if (APPLE)