# This will set ${CMAKE_THREAD_LIBS_INIT} to the correct, OS-specific value.
find_package(Threads REQUIRED)
+
+# Check for explicit link against libatomic
+#
+# Depending on the toolchain, linking a program using atomic functions may need
+# "-latomic" explicitly passed to the linker
+#
+# This check first tests if atomics are available in the C-library, if not and
+# libatomic exists, then it runs the same test with -latomic added to the
+# linker flags.
+
+# Helper for checking for atomics
+function(check_working_cxx_atomics varname additional_lib)
+ include(CheckCXXSourceCompiles)
+ include(CMakePushCheckState)
+ cmake_push_check_state()
+ set(CMAKE_REQUIRED_FLAGS "-std=c++11")
+ set(CMAKE_REQUIRED_LIBRARIES "${additional_lib}")
+ set(CMAKE_REQUIRED_QUIET 1)
+ CHECK_CXX_SOURCE_COMPILES("
+#include <atomic>
+std::atomic<int> x;
+int main() {
+ return std::atomic_fetch_add_explicit(&x, 1, std::memory_order_seq_cst);
+}
+" ${varname})
+ cmake_pop_check_state()
+endfunction(check_working_cxx_atomics)
+
+# First check if atomics work without the library.
+# If not, check if the library exists, and atomics work with it.
+check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITHOUT_LIB "")
+if(HAVE_CXX_ATOMICS_WITHOUT_LIB)
+ message(STATUS "Atomics provided by the C-library - yes")
+else()
+ message(STATUS "Atomics provided by the C-library - no")
+ find_library(LIBATOMIC_LIBRARY NAMES atomic PATH_SUFFIXES lib)
+ if(LIBATOMIC_LIBRARY)
+ check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITH_LIB "${LIBATOMIC_LIBRARY}")
+ if (HAVE_CXX_ATOMICS_WITH_LIB)
+ message(STATUS "Atomics provided by libatomic - yes")
+ else()
+ message(STATUS "Atomics provided by libatomic - no")
+ message(FATAL_ERROR "Compiler must support std::atomic!")
+ endif()
+ else()
+ message(FATAL_ERROR "Compiler appears to require libatomic, but cannot find it.")
+ endif()
+endif()
+
#===============================================================================
#= System Introspection
#-------------------------------------------------------------------------------
set(PV_TITLE PulseView)
set(PV_DESCRIPTION "A GUI for sigrok")
-set(PV_VERSION_STRING "0.3.0")
+set(PV_VERSION_STRING "0.4.0")
include(GetGitRevisionDescription)
pv/data/analogsegment.cpp
pv/data/logic.cpp
pv/data/logicsegment.cpp
+ pv/data/signalbase.cpp
pv/data/signaldata.cpp
pv/data/segment.cpp
pv/devices/device.cpp
pv/widgets/colourpopup.cpp
pv/widgets/devicetoolbutton.cpp
pv/widgets/exportmenu.cpp
- pv/widgets/hidingmenubar.cpp
pv/widgets/importmenu.cpp
pv/widgets/popup.cpp
pv/widgets/popuptoolbutton.cpp
pv/session.hpp
pv/storesession.hpp
pv/binding/device.hpp
+ pv/data/signalbase.hpp
pv/dialogs/about.hpp
pv/dialogs/connect.hpp
pv/dialogs/inputoutputoptions.hpp
pv/prop/property.hpp
pv/prop/string.hpp
pv/toolbars/mainbar.hpp
+ pv/view/analogsignal.hpp
pv/view/cursor.hpp
pv/view/flag.hpp
pv/view/header.hpp
pv/widgets/colourpopup.hpp
pv/widgets/devicetoolbutton.hpp
pv/widgets/exportmenu.hpp
- pv/widgets/hidingmenubar.hpp
pv/widgets/importmenu.hpp
pv/widgets/popup.hpp
pv/widgets/popuptoolbutton.hpp
qt5_wrap_ui(pulseview_FORMS_HEADERS ${pulseview_FORMS})
qt5_add_resources(pulseview_RESOURCES_RCC ${pulseview_RESOURCES})
else()
- # Workaroud for QTBUG-22829: -DBOOST_NEXT_PRIOR_HPP_INCLUDED.
+ # Workaround for QTBUG-22829: -DBOOST_NEXT_PRIOR_HPP_INCLUDED.
# https://bugreports.qt.io/browse/QTBUG-22829
qt4_wrap_cpp(pulseview_HEADERS_MOC ${pulseview_HEADERS}
OPTIONS -DBOOST_NEXT_PRIOR_HPP_INCLUDED)
${Boost_LIBRARIES}
${QT_LIBRARIES}
${CMAKE_THREAD_LIBS_INIT}
+ ${LIBATOMIC_LIBRARY}
)
if(STATIC_PKGDEPS_LIBS)