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build: Add cmake flag for enabling hardening flags

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WerWolv
2025-07-23 15:24:09 +02:00
parent 2ce5acb8d3
commit 0634b41092
2 changed files with 8 additions and 5 deletions
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1
CMakeLists.txt
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@@ -13,6 +13,7 @@ option(IMHEX_BUNDLE_DOTNET "Bundle .NET runtime"
option(IMHEX_ENABLE_LTO "Enables Link Time Optimizations if possible" OFF)
option(IMHEX_USE_DEFAULT_BUILD_SETTINGS "Use default build settings" OFF)
option(IMHEX_STRICT_WARNINGS "Enable most available warnings and treat them as errors" ON )
option(IMHEX_BUILD_HARDENING "Enable hardening flags for build" ON )
option(IMHEX_STATIC_LINK_PLUGINS "Statically link all plugins into the main executable" OFF)
option(IMHEX_GENERATE_PACKAGE "Specify if a native package should be built. (Windows and MacOS only)" OFF)
option(IMHEX_ENABLE_UNITY_BUILD "Enables building ImHex as a unity build." OFF)

12
cmake/build_helpers.cmake
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@@ -714,12 +714,14 @@ macro(setupCompilerFlags target)
addCXXFlag("-Wno-include-angled-in-module-purview" ${target})
# Enable hardening flags
if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
addCommonFlag("-U_FORTIFY_SOURCE" ${target})
addCommonFlag("-D_FORTIFY_SOURCE=3" ${target})
if (IMHEX_BUILD_HARDENING)
if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
addCommonFlag("-U_FORTIFY_SOURCE" ${target})
addCommonFlag("-D_FORTIFY_SOURCE=3" ${target})
if (NOT EMSCRIPTEN)
addCommonFlag("-fstack-protector-strong" ${target})
if (NOT EMSCRIPTEN)
addCommonFlag("-fstack-protector-strong" ${target})
endif()
endif()
endif()