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CMake Targets carrying compiler flags #275

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CMake Targets carrying compiler flags #275

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24f5fbc
Switched CMakeLists to modern Cmake
t0m343 Oct 31, 2018
3a4b036
updated CMake script
Nov 7, 2018
9bc4af5
Merge remote-tracking branch 'upstream/master' into devCmake
Nov 7, 2018
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166 changes: 3 additions & 163 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@
# SUCH DAMAGE.
#

project(usrsctplib)
project(usrsctplib C)
cmake_minimum_required(VERSION 3.0)

# Debug build type as default
Expand All @@ -43,30 +43,6 @@ include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckCCompilerFlag)

#################################################
# CHECK OPTIONS
#################################################

option(sctp_invariants "Add runtime checks" 0)
if (sctp_invariants)
add_definitions(-DINVARIANTS)
endif ()

option(sctp_debug "Provide debug information" 1)
if (sctp_debug)
add_definitions(-DSCTP_DEBUG)
endif ()

option(sctp_inet "Support IPv4" 1)
if (sctp_inet)
add_definitions(-DINET)
endif ()

option(sctp_inet6 "Support IPv6" 1)
if (sctp_inet6)
add_definitions(-DINET6)
endif ()

option(sctp_werror "Treat warning as error" 1)

option(sctp_link_programs_static "Link example programs static" 0)
Expand All @@ -81,158 +57,23 @@ if (sctp_sanitizer_address AND sctp_sanitizer_memory)
message(FATAL_ERROR "Can not compile with both sanitizer options")
endif ()

if (sctp_link_programs_static OR WIN32)
set(programs_link_library "usrsctp-static")
else ()
set(programs_link_library "usrsctp")
endif ()


#################################################
# CHECK FOR TYPES AND FUNCTIONS
#################################################

check_include_files("sys/queue.h" have_sys_queue_h)
if (have_sys_queue_h)
add_definitions(-DHAVE_SYS_QUEUE_H)
endif ()

check_include_files("sys/socket.h;linux/if_addr.h" have_linux_if_addr_h)
if (have_linux_if_addr_h)
add_definitions(-DHAVE_LINUX_IF_ADDR_H)
endif ()

check_include_files("sys/socket.h;linux/rtnetlink.h" have_linux_rtnetlink_h)
if (have_linux_rtnetlink_h)
add_definitions(-DHAVE_LINUX_RTNETLINK_H)
endif ()

check_include_files("sys/types.h;netinet/in.h;netinet/ip.h;netinet/ip_icmp.h" have_netinet_ip_icmp_h)
if (have_netinet_ip_icmp_h)
add_definitions(-DHAVE_NETINET_IP_ICMP_H)
endif ()

check_include_files("stdatomic.h" have_stdatomic_h)
if (have_stdatomic_h)
add_definitions(-DHAVE_STDATOMIC_H)
endif ()


#################################################
# CHECK STRUCT MEMBERS
#################################################

set(CMAKE_REQUIRED_INCLUDES "${CMAKE_SOURCE_DIR}/usrsctplib")
#set(CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/usrsctplib")

check_include_file(usrsctp.h have_usrsctp_h)
check_include_file(${CMAKE_CURRENT_LIST_DIR}/usrsctplib/usrsctp.h have_usrsctp_h)
if (NOT have_usrsctp_h)
message(FATAL_ERROR "usrsctp.h not found")
endif ()

check_struct_has_member("struct sockaddr" "sa_len" "sys/types.h;sys/socket.h" have_sa_len)
if (have_sa_len)
message(STATUS "have_sa_len")
add_definitions(-DHAVE_SA_LEN)
endif ()

check_struct_has_member("struct sockaddr_in" "sin_len" "sys/types.h;netinet/in.h" have_sin_len)
if (have_sin_len)
message(STATUS "have_sin_len")
add_definitions(-DHAVE_SIN_LEN)
endif ()

check_struct_has_member("struct sockaddr_in6" "sin6_len" "sys/types.h;netinet/in.h" have_sin6_len)
if (have_sin6_len)
message(STATUS "have_sin6_len")
add_definitions(-DHAVE_SIN6_LEN)
endif ()

check_struct_has_member("struct sockaddr_conn" "sconn_len" "usrsctp.h" have_sconn_len)
if (have_sconn_len)
message(STATUS "HAVE_SCONN_LEN")
add_definitions(-DHAVE_SCONN_LEN)
endif ()


#################################################
# COMPILER SETTINGS
#################################################

# SETTINGS FOR UNIX COMPILER
if (CMAKE_C_COMPILER_ID MATCHES "Clang" OR CMAKE_C_COMPILER_ID MATCHES "AppleClang" OR CMAKE_C_COMPILER_ID MATCHES "GNU")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 -pedantic -Wall -Wextra")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c99 -pedantic -Wall -Wextra")

check_c_compiler_flag(-Wfloat-equal has_wfloat_equal)
if (has_wfloat_equal)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wfloat-equal")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wfloat-equal")
endif ()

check_c_compiler_flag(-Wshadow has_wshadow)
if (has_wshadow)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wshadow")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wshadow")
endif ()

check_c_compiler_flag(-Wpointer-arith has_wpointer_aritih)
if (has_wpointer_aritih)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpointer-arith")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wpointer-arith")
endif ()

check_c_compiler_flag(-Wunreachable-code has_wunreachable_code)
if (has_wunreachable_code)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wunreachable-code")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wunreachable-code")
endif ()

check_c_compiler_flag(-Winit-self has_winit_self)
if (has_winit_self)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Winit-self")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Winit-self")
endif ()

check_c_compiler_flag(-Wno-unused-function has_wno_unused_function)
if (has_wno_unused_function)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-function")
endif ()

check_c_compiler_flag(-Wno-unused-parameter has_wno_unused_parameter)
if (has_wno_unused_parameter)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-parameter")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-parameter")
endif ()

check_c_compiler_flag(-Wno-unreachable-code has_wno_unreachable_code)
if (has_wno_unreachable_code)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unreachable-code")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unreachable-code")
endif ()

check_c_compiler_flag(-Wstrict-prototypes has_wstrict_prototypes)
if (has_wstrict_prototypes)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wstrict-prototypes")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wstrict-prototypes")
endif ()

if (sctp_werror)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror")
endif ()

if (sctp_sanitizer_address)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer -g")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer -g")
endif ()

if (sctp_sanitizer_memory)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=memory -fno-omit-frame-pointer -g -fsanitize-memory-track-origins")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=memory -fno-omit-frame-pointer -g -fsanitize-memory-track-origins")
endif ()
endif ()

# SETTINGS FOR VISUAL STUDIO COMPILER
if (CMAKE_C_COMPILER_ID MATCHES "MSVC")
if (CMAKE_C_FLAGS MATCHES "/W[0-4]")
Expand All @@ -259,7 +100,6 @@ if (CMAKE_C_COMPILER_ID MATCHES "MSVC")
endif ()
endif ()

message(STATUS "Compiler flags (CMAKE_C_FLAGS): ${CMAKE_C_FLAGS}")


#################################################
Expand Down
5 changes: 2 additions & 3 deletions programs/CMakeLists.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -91,7 +91,6 @@ set(check_programs
test_timer.c
tsctp.c
)

foreach (source_file ${check_programs})
get_filename_component(source_file_we ${source_file} NAME_WE)
add_executable(
Expand All @@ -101,7 +100,7 @@ foreach (source_file ${check_programs})

target_link_libraries(
${source_file_we}
${programs_link_library}
${CMAKE_THREAD_LIBS_INIT}
usrsctp
Threads::Threads
)
endforeach ()
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