Merge remote-tracking branch 'project-template/master'

cmake/Modules/FindGccAtomic.cmake

+# This scripts finds gcc's built-in atomic shared library (libatomic.so).
+# It is required to link against this library on gcc when using 16 byte atomics, even when running on x86_64/amd64.
+
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+
+  FIND_LIBRARY(GCCLIBATOMIC_LIBRARY NAMES atomic atomic.so.1 libatomic.so.1
+    HINTS
+    $ENV{HOME}/local/lib64
+    $ENV{HOME}/local/lib
+    /usr/local/lib64
+    /usr/local/lib
+    /opt/local/lib64
+    /opt/local/lib
+    /usr/lib64
+    /usr/lib
+    /lib64
+    /lib
+  )
+
+else ()
+
+  SET(GCCLIBATOMIC_LIBRARY "")
+
+endif ()
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(GCCLIBATOMIC DEFAULT_MSG GCCLIBATOMIC_LIBRARY)
+

cmake/PROJECT_NAMEConfig.cmake.in.in

@@ -41,7 +41,11 @@ FIND_LIBRARY(@PROJECT_NAME@_LIBRARY @PROJECT_NAME@
 set(@PROJECT_NAME@_VERSION "@@PROJECT_NAME@_SOVERSION@")
 set(@PROJECT_NAME@_INCLUDE_DIRS @@PROJECT_NAME@_INCLUDE_DIRS@)
 set(@PROJECT_NAME@_LIBRARY_DIRS @@PROJECT_NAME@_LIBRARY_DIRS@)
-set(@PROJECT_NAME@_LIBRARIES ${@PROJECT_NAME@_LIBRARY} @@PROJECT_NAME@_LIBRARIES@)
+if(@@PROJECT_NAME@_HAS_LIBRARY@)
+  set(@PROJECT_NAME@_LIBRARIES ${@PROJECT_NAME@_LIBRARY} @@PROJECT_NAME@_LIBRARIES@)
+else()
+  set(@PROJECT_NAME@_LIBRARIES @@PROJECT_NAME@_LIBRARIES@)
+endif()
 set(@PROJECT_NAME@_CXX_FLAGS "@@PROJECT_NAME@_CXX_FLAGS@")
 set(@PROJECT_NAME@_LINKER_FLAGS "@@PROJECT_NAME@_LINKER_FLAGS@ @@PROJECT_NAME@_LINK_FLAGS@")
 set(@PROJECT_NAME@_LINK_FLAGS "@@PROJECT_NAME@_LINKER_FLAGS@ @@PROJECT_NAME@_LINK_FLAGS@")

cmake/create_cmake_config_files.cmake

@@ -61,6 +61,12 @@ foreach(DEPENDENCY ${${PROJECT_NAME}_PUBLIC_DEPENDENCIES})
     string(APPEND ${PROJECT_NAME}_PUBLIC_DEPENDENCIES_L "find_package(${DEPENDENCY} REQUIRED)\n")
 endforeach()
 
+if(TARGET ${PROJECT_NAME})
+  set(${PROJECT_NAME}_HAS_LIBRARY 1)
+else()
+  set(${PROJECT_NAME}_HAS_LIBRARY 0)
+endif()
+
 # we have nested @-statements, so we have to parse twice:
 
 # create the cmake find_package configuration file