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[cmake] Add noexecstack to compiler/linker flags

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This commit is contained in:
Nick Terrell
2022-12-21 15:02:27 -08:00
committed by Nick Terrell
parent 7607b96ed9
commit 31a703ec13
1 changed files with 28 additions and 14 deletions
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42
build/cmake/CMakeModules/AddZstdCompilationFlags.cmake
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@ -1,7 +1,8 @@
include(CheckCXXCompilerFlag)
include(CheckCCompilerFlag)
include(CheckLinkerFlag)
function(EnableCompilerFlag _flag _C _CXX)
function(EnableCompilerFlag _flag _C _CXX _LD)
string(REGEX REPLACE "\\+" "PLUS" varname "${_flag}")
string(REGEX REPLACE "[^A-Za-z0-9]+" "_" varname "${varname}")
string(REGEX REPLACE "^_+" "" varname "${varname}")
@ -18,6 +19,13 @@ function(EnableCompilerFlag _flag _C _CXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_flag}" PARENT_SCOPE)
endif ()
endif ()
if (_LD)
CHECK_LINKER_FLAG(C ${_flag} LD_FLAG_${varname})
if (LD_FLAG_${varname})
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${_flag}" PARENT_SCOPE)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${_flag}" PARENT_SCOPE)
endif ()
endif ()
endfunction()
macro(ADD_ZSTD_COMPILATION_FLAGS)
@ -30,33 +38,39 @@ macro(ADD_ZSTD_COMPILATION_FLAGS)
# EnableCompilerFlag("-std=c99" true false) # Set C compiation to c99 standard
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND MSVC)
# clang-cl normally maps -Wall to -Weverything.
EnableCompilerFlag("/clang:-Wall" true true)
EnableCompilerFlag("/clang:-Wall" true true flase)
else ()
EnableCompilerFlag("-Wall" true true)
EnableCompilerFlag("-Wall" true true false)
endif ()
EnableCompilerFlag("-Wextra" true true)
EnableCompilerFlag("-Wundef" true true)
EnableCompilerFlag("-Wshadow" true true)
EnableCompilerFlag("-Wcast-align" true true)
EnableCompilerFlag("-Wcast-qual" true true)
EnableCompilerFlag("-Wstrict-prototypes" true false)
EnableCompilerFlag("-Wextra" true true false)
EnableCompilerFlag("-Wundef" true true false)
EnableCompilerFlag("-Wshadow" true true false)
EnableCompilerFlag("-Wcast-align" true true false)
EnableCompilerFlag("-Wcast-qual" true true false)
EnableCompilerFlag("-Wstrict-prototypes" true false false)
# Enable asserts in Debug mode
if (CMAKE_BUILD_TYPE MATCHES "Debug")
EnableCompilerFlag("-DDEBUGLEVEL=1" true true)
EnableCompilerFlag("-DDEBUGLEVEL=1" true true false)
endif ()
# Add noexecstack flags
# LDFLAGS
EnableCompilerFlag("-z noexecstack" false false true)
# CFLAGS & CXXFLAGS
EnableCompilerFlag("-Qunused-arguments" true true false)
EnableCompilerFlag("-Wa,--noexecstack" true true false)
elseif (MSVC) # Add specific compilation flags for Windows Visual
set(ACTIVATE_MULTITHREADED_COMPILATION "ON" CACHE BOOL "activate multi-threaded compilation (/MP flag)")
if (CMAKE_GENERATOR MATCHES "Visual Studio" AND ACTIVATE_MULTITHREADED_COMPILATION)
EnableCompilerFlag("/MP" true true)
EnableCompilerFlag("/MP" true true false)
endif ()
# UNICODE SUPPORT
EnableCompilerFlag("/D_UNICODE" true true)
EnableCompilerFlag("/DUNICODE" true true)
EnableCompilerFlag("/D_UNICODE" true true false)
EnableCompilerFlag("/DUNICODE" true true false)
# Enable asserts in Debug mode
if (CMAKE_BUILD_TYPE MATCHES "Debug")
EnableCompilerFlag("/DDEBUGLEVEL=1" true true)
EnableCompilerFlag("/DDEBUGLEVEL=1" true true false)
endif ()
endif ()