mirror of
https://github.com/umutcamliyurt/Amnezichat.git
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221 lines
8.3 KiB
CMake
221 lines
8.3 KiB
CMake
# SPDX-License-Identifier: MIT
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# First we will determine the optimization target.
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#
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# If OQS_DIST_BUILD=ON we need to target a generic CPU for any code
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# that is not protected by runtime CPU feature detection.
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#
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# If OQS_DIST_BUILD=OFF then we will optimize all code for the CPU
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# specified by OQS_OPT_TARGET.
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#
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# If OQS_OPT_TARGET=auto we target the current CPU.
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# If OQS_OPT_TARGET=generic we target a generic CPU.
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# Otherwise we target the specified CPU.
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# Pedantic checks (-Wall, ...) are not enabled by default for Release
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# builds such as to avoid future build errors introduced by currently
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# unknown compiler warnings
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include(CheckCCompilerFlag)
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check_c_compiler_flag("-Wa,--noexecstack" CC_SUPPORTS_WA_NOEXECSTACK)
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# This sets the equivalent of -Werror for supported compilers
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# it can be overriden with --compile-no-warnings-as-errors
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# https://cmake.org/cmake/help/latest/prop_tgt/COMPILE_WARNING_AS_ERROR.html
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set(CMAKE_COMPILE_WARNING_AS_ERROR ${OQS_STRICT_WARNINGS})
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if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.18")
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include(CheckLinkerFlag)
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check_linker_flag(C "-Wl,-z,noexecstack" LD_SUPPORTS_WL_Z_NOEXECSTACK)
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elseif(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.14")
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set(TMP_TESTDIR "${CMAKE_BINARY_DIR}/test_noexecstack")
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file(WRITE "${TMP_TESTDIR}/test.c" "int main() { return 0; }\n")
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try_compile(LD_SUPPORTS_WL_Z_NOEXECSTACK "${TMP_TESTDIR}" "${TMP_TESTDIR}/test.c" LINK_OPTIONS "-Wl,-z,noexecstack")
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else()
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message(WARNING "Unable to check if '-Wl,-z,noexecstack' is supported.")
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set(LD_SUPPORTS_WL_Z_NOEXECSTACK FALSE)
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endif()
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set(OQS_OPT_FLAG "")
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if(CMAKE_C_COMPILER_ID MATCHES "Clang|GNU")
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if(${OQS_DIST_BUILD})
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set(OQS_OPT_TARGET "generic")
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endif()
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if(CMAKE_CROSSCOMPILING AND OQS_OPT_TARGET STREQUAL "auto")
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set(OQS_OPT_TARGET "generic")
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endif()
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if(OQS_OPT_TARGET STREQUAL "generic")
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if(ARCH_S390X)
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# At least z9-109 is needed for 'stckf' in benchmarking code.
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# gcc's default is z900 (older than z9-109), clang's default and minimum is z10.
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# setting to z10 as sensible default.
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set(OQS_OPT_FLAG "-march=z10")
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else()
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# Assume sensible default like -march=x86-64, -march=armv8-a, etc.
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if(ARCH_ARM64v8)
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set(OQS_OPT_FLAG "-march=armv8-a+crypto")
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else()
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set(OQS_OPT_FLAG "")
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endif()
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endif()
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elseif(OQS_OPT_TARGET STREQUAL "auto")
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if(ARCH_X86_64)
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set(OQS_OPT_FLAG "-march=native")
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elseif(ARCH_ARM64v8 AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
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set(OQS_OPT_FLAG "-mcpu=native")
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elseif(ARCH_ARM64v8 AND CMAKE_SYSTEM_NAME STREQUAL "Darwin")
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set(OQS_OPT_FLAG "-mcpu=native")
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elseif(ARCH_S390X)
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set(OQS_OPT_FLAG "-march=native")
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else()
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message(WARNING "Setting OQS_OPT_TARGET=AUTO may not produce optimized code on this system.")
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endif()
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else()
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if(ARCH_X86_64)
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set(OQS_OPT_FLAG "-march=${OQS_OPT_TARGET}")
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elseif(ARCH_ARM64v8 OR ARCH_ARM32v7)
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set(OQS_OPT_FLAG "-mcpu=${OQS_OPT_TARGET}")
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elseif(ARCH_S390X)
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set(OQS_OPT_FLAG "-march=${OQS_OPT_TARGET}")
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endif()
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endif()
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add_compile_options(${OQS_OPT_FLAG})
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# If this is not a dist build we also need to set the OQS_USE_[EXTENSION] flags
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if(NOT ${OQS_DIST_BUILD} AND NOT CMAKE_CROSSCOMPILING)
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include(${CMAKE_CURRENT_LIST_DIR}/gcc_clang_intrinsics.cmake)
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endif()
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endif()
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if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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if(${OQS_STRICT_WARNINGS})
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add_compile_options(-Wall)
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add_compile_options(-Wextra)
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add_compile_options(-Wpedantic)
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add_compile_options(-Wno-unused-command-line-argument)
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endif()
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if(CC_SUPPORTS_WA_NOEXECSTACK)
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add_compile_options("-Wa,--noexecstack")
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endif()
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if(LD_SUPPORTS_WL_Z_NOEXECSTACK)
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add_link_options("-Wl,-z,noexecstack")
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endif()
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads)
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if (CMAKE_USE_PTHREADS_INIT AND NOT OQS_EMBEDDED_BUILD)
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set(OQS_USE_PTHREADS ON)
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endif()
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if(${OQS_DEBUG_BUILD})
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add_compile_options(-g3)
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add_compile_options(-fno-omit-frame-pointer)
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if(USE_SANITIZER STREQUAL "Address")
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add_compile_options(-fno-optimize-sibling-calls)
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add_compile_options(-fsanitize-address-use-after-scope)
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add_compile_options(-fsanitize=address)
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set(SANITIZER_LD_FLAGS "-fsanitize=address")
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elseif(USE_SANITIZER STREQUAL "Memory")
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add_compile_options(-fsanitize=memory)
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set(SANITIZER_LD_FLAGS "-fsanitize=memory")
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elseif(USE_SANITIZER STREQUAL "MemoryWithOrigins")
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add_compile_options(-fsanitize=memory)
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add_compile_options(-fsanitize-memory-track-origins)
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set(SANITIZER_LD_FLAGS "-fsanitize=memory")
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elseif(USE_SANITIZER STREQUAL "Undefined")
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add_compile_options(-fsanitize=undefined)
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if(EXISTS "${BLACKLIST_FILE}")
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add_compile_options(-fsanitize-blacklist=${BLACKLIST_FILE})
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endif()
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set(SANITIZER_LD_FLAGS "-fsanitize=undefined")
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elseif(USE_SANITIZER STREQUAL "Thread")
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add_compile_options(-fsanitize=thread)
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set(SANITIZER_LD_FLAGS "-fsanitize=thread")
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elseif(USE_SANITIZER STREQUAL "Leak")
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add_compile_options(-fsanitize=leak)
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set(SANITIZER_LD_FLAGS "-fsanitize=leak")
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endif()
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else()
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add_compile_options(-O3)
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add_compile_options(-fomit-frame-pointer)
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endif()
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elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU")
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if (NOT ${CMAKE_C_COMPILER_VERSION} VERSION_GREATER_EQUAL ${OQS_MINIMAL_GCC_VERSION})
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message(FATAL_ERROR "GCC version ${CMAKE_C_COMPILER_VERSION} below minimally required version ${OQS_MINIMAL_GCC_VERSION}.")
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endif()
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if(${OQS_STRICT_WARNINGS})
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add_compile_options(-Wall)
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add_compile_options(-Wextra)
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add_compile_options(-Wpedantic)
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add_compile_options(-Wstrict-prototypes)
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add_compile_options(-Wshadow)
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add_compile_options(-Wformat=2)
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add_compile_options(-Wfloat-equal)
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add_compile_options(-Wwrite-strings)
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endif()
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if (NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
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if(CC_SUPPORTS_WA_NOEXECSTACK)
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add_compile_options("-Wa,--noexecstack")
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endif()
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if(LD_SUPPORTS_WL_Z_NOEXECSTACK)
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add_link_options("-Wl,-z,noexecstack")
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endif()
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endif()
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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find_package(Threads)
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if (CMAKE_USE_PTHREADS_INIT AND NOT OQS_EMBEDDED_BUILD)
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set(OQS_USE_PTHREADS ON)
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endif()
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if(${OQS_DEBUG_BUILD})
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add_compile_options (-Wstrict-overflow)
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add_compile_options(-ggdb3)
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else()
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add_compile_options(-O3)
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add_compile_options(-fomit-frame-pointer)
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add_compile_options(-fdata-sections)
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add_compile_options(-ffunction-sections)
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if (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
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add_compile_options(-Wl,-dead_strip)
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else ()
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add_compile_options(-Wl,--gc-sections)
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endif ()
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endif()
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# workaround for gcc issues on ARM32 as per https://github.com/open-quantum-safe/liboqs/issues/1288
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if(ARCH_ARM32v7 AND (CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "11.0.0"))
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add_compile_options(-fno-ipa-modref)
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add_compile_options(-fno-ipa-pure-const)
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endif()
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elseif(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
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# Warning C4146 is raised when a unary minus operator is applied to an
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# unsigned type; this has nonetheless been standard and portable for as
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# long as there has been a C standard, and we need it for constant-time
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# computations. Thus, we disable that spurious warning.
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add_compile_options(/wd4146)
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# Need a larger stack for Classic McEliece
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add_link_options(/STACK:8192000)
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# bring compile options in line with openssl options; link otherwise fails
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add_compile_options(/MT)
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endif()
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if(MINGW OR MSYS OR CYGWIN)
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set(OQS_USE_PTHREADS OFF)
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add_compile_options(-Wno-maybe-uninitialized)
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if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.13.0")
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add_link_options(-Wl,--stack,16777216)
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else()
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack,1677216")
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endif()
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endif()
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if(CMAKE_C_IMPLICIT_LINK_DIRECTORIES MATCHES "alpine-linux-musl")
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add_link_options(-Wl,-z,stack-size=16777216)
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endif()
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