X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=CMakeLists.txt;h=b70a905ecba381df743972b02e717abcac353ebd;hp=a3b41205e2d447fc20a7527479b655bb3ad983af;hb=f4e57597347e47a4ea58fbdc7b0a22e07f1c0ede;hpb=4cffac16f3fb0ced3450c7df9c02b2d35bcd01e1

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a3b41205..b70a905e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -97,16 +97,65 @@ else()
 	find_package(Qt4 REQUIRED QtCore QtGui QtSvg)
 endif()
 
+set(BOOSTCOMPS filesystem serialization system thread)
 if(ENABLE_TESTS)
-	find_package(Boost 1.53 COMPONENTS filesystem system thread unit_test_framework REQUIRED)
-else()
-	find_package(Boost 1.53 COMPONENTS filesystem system thread REQUIRED)
+	list(APPEND BOOSTCOMPS unit_test_framework)
 endif()
+find_package(Boost 1.55 COMPONENTS ${BOOSTCOMPS} REQUIRED)
 
 # Find the platform's thread library (needed for C++11 threads).
 # 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
 #-------------------------------------------------------------------------------
@@ -167,6 +216,7 @@ set(pulseview_SOURCES
 	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
@@ -212,11 +262,11 @@ set(pulseview_SOURCES
 	pv/view/viewitempaintparams.cpp
 	pv/view/viewport.cpp
 	pv/view/viewwidget.cpp
+	pv/views/viewbase.cpp
 	pv/widgets/colourbutton.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
@@ -231,6 +281,7 @@ set(pulseview_HEADERS
 	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
@@ -264,11 +315,11 @@ set(pulseview_HEADERS
 	pv/view/viewitem.hpp
 	pv/view/viewport.hpp
 	pv/view/viewwidget.hpp
+	pv/views/viewbase.hpp
 	pv/widgets/colourbutton.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
@@ -347,6 +398,7 @@ add_definitions(${QT_DEFINITIONS} -DQT_NO_KEYWORDS)
 add_definitions(-D__STDC_LIMIT_MACROS)
 add_definitions(-Wall -Wextra)
 add_definitions(-std=c++11)
+add_definitions(-DBOOST_MATH_DISABLE_FLOAT128=1)
 
 if(ENABLE_DECODE)
 	add_definitions(-DENABLE_DECODE)
@@ -387,6 +439,7 @@ set(PULSEVIEW_LINK_LIBS
 	${Boost_LIBRARIES}
 	${QT_LIBRARIES}
 	${CMAKE_THREAD_LIBS_INIT}
+	${LIBATOMIC_LIBRARY}
 )
 
 if(STATIC_PKGDEPS_LIBS)