284 lines
9.4 KiB
CMake
284 lines
9.4 KiB
CMake
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#
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# Copyright (C) 2015-2015 Oleg Alexeenkov
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# Copyright (C) 2015-2019 Felix Weinrank
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the project nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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project(usrsctplib C)
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cmake_minimum_required(VERSION 3.0)
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# Debug build type as default
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if (NOT CMAKE_BUILD_TYPE)
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message(STATUS "No build type selected, using DEBUG")
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set(CMAKE_BUILD_TYPE "DEBUG")
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endif ()
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include(CheckStructHasMember)
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include(CheckIncludeFile)
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include(CheckIncludeFiles)
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include(CheckCCompilerFlag)
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#################################################
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# CHECK OPTIONS
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#################################################
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option(sctp_invariants "Add runtime checks" 0)
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if (sctp_invariants)
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add_definitions(-DINVARIANTS)
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endif ()
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option(sctp_debug "Provide debug information" 1)
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if (sctp_debug)
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add_definitions(-DSCTP_DEBUG)
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endif ()
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option(sctp_inet "Support IPv4" 1)
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if (sctp_inet)
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add_definitions(-DINET)
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endif ()
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option(sctp_inet6 "Support IPv6" 1)
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if (sctp_inet6)
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add_definitions(-DINET6)
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endif ()
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option(sctp_werror "Treat warning as error" 1)
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option(sctp_link_programs_static "Link example programs static" 0)
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option(sctp_build_programs "Build example programs" 1)
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option(sctp_sanitizer_address "Compile with address sanitizer" 0)
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option(sctp_sanitizer_memory "Compile with memory sanitizer" 0)
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option(sctp_build_fuzzer "Compile in clang fuzzing mode" 0)
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if (sctp_sanitizer_address AND sctp_sanitizer_memory)
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message(FATAL_ERROR "Can not compile with both sanitizer options")
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endif ()
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if (sctp_link_programs_static OR WIN32)
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set(programs_link_library "usrsctp-static")
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else ()
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set(programs_link_library "usrsctp")
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endif ()
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#################################################
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# CHECK FOR TYPES AND FUNCTIONS
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#################################################
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check_include_files("sys/queue.h" have_sys_queue_h)
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if (have_sys_queue_h)
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add_definitions(-DHAVE_SYS_QUEUE_H)
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endif ()
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check_include_files("sys/socket.h;linux/if_addr.h" have_linux_if_addr_h)
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if (have_linux_if_addr_h)
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add_definitions(-DHAVE_LINUX_IF_ADDR_H)
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endif ()
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check_include_files("sys/socket.h;linux/rtnetlink.h" have_linux_rtnetlink_h)
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if (have_linux_rtnetlink_h)
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add_definitions(-DHAVE_LINUX_RTNETLINK_H)
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endif ()
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check_include_files("sys/types.h;netinet/in.h;netinet/ip.h;netinet/ip_icmp.h" have_netinet_ip_icmp_h)
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if (have_netinet_ip_icmp_h)
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add_definitions(-DHAVE_NETINET_IP_ICMP_H)
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endif ()
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check_include_files("stdatomic.h" have_stdatomic_h)
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if (have_stdatomic_h)
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add_definitions(-DHAVE_STDATOMIC_H)
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endif ()
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#################################################
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# CHECK STRUCT MEMBERS
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#################################################
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set(CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/usrsctplib")
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check_include_file(usrsctp.h have_usrsctp_h)
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if (NOT have_usrsctp_h)
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message(FATAL_ERROR "usrsctp.h not found")
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endif ()
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check_struct_has_member("struct sockaddr" "sa_len" "sys/types.h;sys/socket.h" have_sa_len)
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if (have_sa_len)
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message(STATUS "have_sa_len")
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add_definitions(-DHAVE_SA_LEN)
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endif ()
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check_struct_has_member("struct sockaddr_in" "sin_len" "sys/types.h;netinet/in.h" have_sin_len)
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if (have_sin_len)
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message(STATUS "have_sin_len")
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add_definitions(-DHAVE_SIN_LEN)
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endif ()
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check_struct_has_member("struct sockaddr_in6" "sin6_len" "sys/types.h;netinet/in.h" have_sin6_len)
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if (have_sin6_len)
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message(STATUS "have_sin6_len")
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add_definitions(-DHAVE_SIN6_LEN)
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endif ()
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check_struct_has_member("struct sockaddr_conn" "sconn_len" "usrsctp.h" have_sconn_len)
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if (have_sconn_len)
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message(STATUS "HAVE_SCONN_LEN")
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add_definitions(-DHAVE_SCONN_LEN)
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endif ()
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#################################################
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# COMPILER SETTINGS
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#################################################
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# Determine if compiler is Visual Studio compiler or Clang in MSVC compatible mode
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if (CMAKE_C_COMPILER_ID MATCHES "MSVC" OR CMAKE_C_SIMULATE_ID MATCHES "MSVC")
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set(C_COMPILER_IS_MSVC_LIKE TRUE)
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endif()
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# SETTINGS FOR VISUAL STUDIO COMPILER
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if (C_COMPILER_IS_MSVC_LIKE)
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if (CMAKE_C_FLAGS MATCHES "/W[0-4]")
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string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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else ()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W4")
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endif ()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4100") # 'identifier' : unreferenced formal parameter
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4127") # conditional expression is constant
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4200") # nonstandard extension used : zero-sized array in struct/union
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4214") # bit field types other than int
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4706") # assignment within conditional expression
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4245") # 'conversion' : conversion from 'type1' to 'type2', signed/unsigned mismatch
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4389") # 'operator' : signed/unsigned mismatch
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4702") # unreachable code
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4701") # Potentially uninitialized local variable 'name' used
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# ToDo
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4244") # 'conversion' conversion from 'type1' to 'type2', possible loss of data
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if (sctp_werror)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
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if (CMAKE_C_COMPILER_ID MATCHES "Clang")
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# temporary disable exta clang warnings preventing compilation
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /clang:-Wno-unused-function")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /clang:-Wno-missing-field-initializers")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /clang:-Wno-sign-compare")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /clang:-Wno-format")
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endif()
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endif ()
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# SETTINGS FOR UNIX COMPILER
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elseif (CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "AppleClang" OR CMAKE_C_COMPILER_ID MATCHES "GNU")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -pedantic -Wall -Wextra")
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check_c_compiler_flag(-Wfloat-equal has_wfloat_equal)
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if (has_wfloat_equal)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wfloat-equal")
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endif ()
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check_c_compiler_flag(-Wshadow has_wshadow)
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if (has_wshadow)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow")
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endif ()
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check_c_compiler_flag(-Wpointer-arith has_wpointer_aritih)
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if (has_wpointer_aritih)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpointer-arith")
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endif ()
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check_c_compiler_flag(-Wunreachable-code has_wunreachable_code)
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if (has_wunreachable_code)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wunreachable-code")
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endif ()
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check_c_compiler_flag(-Winit-self has_winit_self)
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if (has_winit_self)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Winit-self")
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endif ()
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check_c_compiler_flag(-Wno-unused-function has_wno_unused_function)
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if (has_wno_unused_function)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
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endif ()
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check_c_compiler_flag(-Wno-unused-parameter has_wno_unused_parameter)
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if (has_wno_unused_parameter)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-parameter")
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endif ()
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check_c_compiler_flag(-Wno-unreachable-code has_wno_unreachable_code)
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if (has_wno_unreachable_code)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unreachable-code")
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endif ()
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check_c_compiler_flag(-Wstrict-prototypes has_wstrict_prototypes)
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if (has_wstrict_prototypes)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wstrict-prototypes")
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endif ()
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if (sctp_werror)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
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endif ()
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if (sctp_sanitizer_address)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address,undefined,signed-integer-overflow -fno-omit-frame-pointer -fno-sanitize-recover=all -fsanitize-address-use-after-scope ")
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endif ()
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if (sctp_sanitizer_memory)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=memory -fno-omit-frame-pointer -fsanitize-memory-track-origins -fPIE")
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endif ()
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if (sctp_build_fuzzer)
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set(CMAKE_BUILD_TYPE "DEBUG")
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add_definitions(-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O1 -fsanitize=fuzzer-no-link")
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endif ()
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endif ()
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message(STATUS "Compiler flags (CMAKE_C_FLAGS): ${CMAKE_C_FLAGS}")
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#################################################
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# INCLUDE SUBDIRS
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#################################################
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add_subdirectory(usrsctplib)
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if (sctp_build_programs)
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add_subdirectory(programs)
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endif ()
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if (sctp_build_fuzzer)
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add_subdirectory(fuzzer)
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endif ()
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