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Commit b48d1ebb authored by Patrik Huber's avatar Patrik Huber
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CMake: Add -pthreads for clang (most likely Eigen::LevenbergMarquardt requires it)

parent 7726447b
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CMakeLists.txt
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...@@ -25,6 +25,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") ...@@ -25,6 +25,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
endif() endif()
endif() endif()
# Note: gcc is fine without -pthreads.
elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC") # the quotes are needed here, maybe because "MSVC" seems to be a keyword elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC") # the quotes are needed here, maybe because "MSVC" seems to be a keyword
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19) if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19)
message(FATAL_ERROR "Visual Studio 2015 or newer is required.") message(FATAL_ERROR "Visual Studio 2015 or newer is required.")
...@@ -38,6 +39,9 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") ...@@ -38,6 +39,9 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
if(HAS_CXX14_FLAG) if(HAS_CXX14_FLAG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
endif() endif()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pthreads")
# Eigen::LevenbergMarquardt probably needs -pthreads.
# Cleaner way would be to add it to fit-model's target_link_libraries, but that requires a CMake >2.8.10.
else() # no GNU, no MSVC, no Clang else() # no GNU, no MSVC, no Clang
message(WARNING "You are using an unsupported compiler. Compilation has only been tested with MSVC, GCC and Clang.") message(WARNING "You are using an unsupported compiler. Compilation has only been tested with MSVC, GCC and Clang.")
check_cxx_compiler_flag(-std=c++14 HAS_CXX14_FLAG) check_cxx_compiler_flag(-std=c++14 HAS_CXX14_FLAG)
......
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