ADD: new track message, Entity class and Position class

libs/geographiclib/cmake/project-config-version.cmake.in

@@ -0,0 +1,90 @@
+# Version checking for @PROJECT_NAME@
+
+set (PACKAGE_VERSION "@PROJECT_VERSION@")
+set (PACKAGE_VERSION_MAJOR "@PROJECT_VERSION_MAJOR@")
+set (PACKAGE_VERSION_MINOR "@PROJECT_VERSION_MINOR@")
+set (PACKAGE_VERSION_PATCH "@PROJECT_VERSION_PATCH@")
+
+# These variable definitions parallel those in @PROJECT_NAME@'s
+# cmake/CMakeLists.txt.
+if (MSVC)
+  # For checking the compatibility of MSVC_TOOLSET_VERSION; see
+  # https://docs.microsoft.com/en-us/cpp/porting/overview-of-potential-upgrade-issues-visual-cpp
+  # Assume major version number is obtained by dropping the last decimal
+  # digit.
+  math (EXPR MSVC_TOOLSET_MAJOR "${MSVC_TOOLSET_VERSION}/10")
+endif ()
+if (CMAKE_CROSSCOMPILING)
+  # Ensure that all "true" (resp. "false") settings are represented by
+  # the same string.
+  set (CMAKE_CROSSCOMPILING_STR "ON")
+else ()
+  set (CMAKE_CROSSCOMPILING_STR "OFF")
+endif ()
+
+if (NOT PACKAGE_FIND_NAME STREQUAL "@PROJECT_NAME@")
+  # Check package name (in particular, because of the way cmake finds
+  # package config files, the capitalization could easily be "wrong").
+  # This is necessary to ensure that the automatically generated
+  # variables, e.g., <package>_FOUND, are consistently spelled.
+  set (REASON "package = @PROJECT_NAME@, NOT ${PACKAGE_FIND_NAME}")
+  set (PACKAGE_VERSION_UNSUITABLE TRUE)
+elseif (NOT (APPLE OR (NOT DEFINED CMAKE_SIZEOF_VOID_P) OR
+      CMAKE_SIZEOF_VOID_P EQUAL @CMAKE_SIZEOF_VOID_P@))
+  # Reject if there's a 32-bit/64-bit mismatch (not necessary with Apple
+  # since a multi-architecture library is built for that platform).
+  set (REASON "sizeof(*void) =  @CMAKE_SIZEOF_VOID_P@")
+  set (PACKAGE_VERSION_UNSUITABLE TRUE)
+elseif (MSVC AND NOT (
+    # toolset version must be at least as great as @PROJECT_NAME@'s.
+    MSVC_TOOLSET_VERSION GREATER_EQUAL @MSVC_TOOLSET_VERSION@
+    # and major versions must match
+    AND MSVC_TOOLSET_MAJOR EQUAL @MSVC_TOOLSET_MAJOR@ ))
+  # Reject if there's a mismatch in MSVC compiler versions.
+  set (REASON "MSVC_TOOLSET_VERSION = @MSVC_TOOLSET_VERSION@")
+  set (PACKAGE_VERSION_UNSUITABLE TRUE)
+elseif (GEOGRAPHICLIB_PRECISION MATCHES "^[1-5]\$" AND NOT (
+      GEOGRAPHICLIB_PRECISION EQUAL @GEOGRAPHICLIB_PRECISION@ ))
+  # Reject if the user asks for an incompatible precsision.
+  set (REASON "GEOGRAPHICLIB_PRECISION = @GEOGRAPHICLIB_PRECISION@")
+  set (PACKAGE_VERSION_UNSUITABLE TRUE)
+elseif (NOT CMAKE_CROSSCOMPILING_STR STREQUAL "@CMAKE_CROSSCOMPILING_STR@")
+  # Reject if there's a mismatch in ${CMAKE_CROSSCOMPILING}.
+  set (REASON "cross-compiling = @CMAKE_CROSSCOMPILING@")
+  set (PACKAGE_VERSION_UNSUITABLE TRUE)
+elseif (CMAKE_CROSSCOMPILING AND
+    NOT (CMAKE_SYSTEM_NAME STREQUAL "@CMAKE_SYSTEM_NAME@" AND
+      CMAKE_SYSTEM_PROCESSOR STREQUAL "@CMAKE_SYSTEM_PROCESSOR@"))
+  # Reject if cross-compiling and there's a mismatch in the target system.
+  set (REASON "target = @CMAKE_SYSTEM_NAME@-@CMAKE_SYSTEM_PROCESSOR@")
+  set (PACKAGE_VERSION_UNSUITABLE TRUE)
+elseif (PACKAGE_FIND_VERSION)
+  if (PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
+    set (PACKAGE_VERSION_EXACT TRUE)
+  elseif (PACKAGE_FIND_VERSION VERSION_LESS PACKAGE_VERSION
+    AND PACKAGE_FIND_VERSION_MAJOR EQUAL PACKAGE_VERSION_MAJOR)
+    set (PACKAGE_VERSION_COMPATIBLE TRUE)
+  endif ()
+endif ()
+
+set (@PROJECT_NAME@_SHARED_FOUND @GEOGRAPHICLIB_SHARED_LIB@)
+set (@PROJECT_NAME@_STATIC_FOUND @GEOGRAPHICLIB_STATIC_LIB@)
+
+# Check for the components requested.  The convention is that
+# @PROJECT_NAME@_${comp}_FOUND should be true for all the required
+# components.
+if (@PROJECT_NAME@_FIND_COMPONENTS)
+  foreach (comp ${@PROJECT_NAME@_FIND_COMPONENTS})
+    if (@PROJECT_NAME@_FIND_REQUIRED_${comp} AND
+        NOT @PROJECT_NAME@_${comp}_FOUND)
+      set (REASON "without ${comp}")
+      set (PACKAGE_VERSION_UNSUITABLE TRUE)
+    endif ()
+  endforeach ()
+endif ()
+
+# If unsuitable, append the reason to the package version so that it's
+# visible to the user.
+if (PACKAGE_VERSION_UNSUITABLE)
+  set (PACKAGE_VERSION "${PACKAGE_VERSION} (${REASON})")
+endif ()