From ca4bce61f822dd58460206a73161f68d922064e4 Mon Sep 17 00:00:00 2001
From: Andrey Astafyev <dev@246060.ru>
Date: Mon, 27 Sep 2021 16:54:06 +0300
Subject: [PATCH] GeographicLib

---
 FindGeographicLib.cmake | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 FindGeographicLib.cmake

diff --git a/FindGeographicLib.cmake b/FindGeographicLib.cmake
new file mode 100644
index 0000000..58932cc
--- /dev/null
+++ b/FindGeographicLib.cmake
@@ -0,0 +1,40 @@
+# Look for GeographicLib
+#
+# Set
+#  GeographicLib_FOUND = GEOGRAPHICLIB_FOUND = TRUE
+#  GeographicLib_INCLUDE_DIRS = /usr/local/include
+#  GeographicLib_LIBRARIES = /usr/local/lib/libGeographic.so
+#  GeographicLib_LIBRARY_DIRS = /usr/local/lib
+
+find_library (GeographicLib_LIBRARIES Geographic
+  PATHS "${CMAKE_INSTALL_PREFIX}/../GeographicLib/lib")
+
+if (GeographicLib_LIBRARIES)
+  get_filename_component (GeographicLib_LIBRARY_DIRS
+    "${GeographicLib_LIBRARIES}" PATH)
+  get_filename_component (_ROOT_DIR "${GeographicLib_LIBRARY_DIRS}" PATH)
+  set (GeographicLib_INCLUDE_DIRS "${_ROOT_DIR}/include")
+  set (GeographicLib_BINARY_DIRS "${_ROOT_DIR}/bin")
+  if (NOT EXISTS "${GeographicLib_INCLUDE_DIRS}/GeographicLib/Config.h")
+    # On Debian systems the library is in e.g.,
+    #   /usr/lib/x86_64-linux-gnu/libGeographic.so
+    # so try stripping another element off _ROOT_DIR
+    get_filename_component (_ROOT_DIR "${_ROOT_DIR}" PATH)
+    set (GeographicLib_INCLUDE_DIRS "${_ROOT_DIR}/include")
+    set (GeographicLib_BINARY_DIRS "${_ROOT_DIR}/bin")
+    if (NOT EXISTS "${GeographicLib_INCLUDE_DIRS}/GeographicLib/Config.h")
+      unset (GeographicLib_INCLUDE_DIRS)
+      unset (GeographicLib_LIBRARIES)
+      unset (GeographicLib_LIBRARY_DIRS)
+      unset (GeographicLib_BINARY_DIRS)
+    endif ()
+  endif ()
+  unset (_ROOT_DIR)
+endif ()
+
+include (FindPackageHandleStandardArgs)
+find_package_handle_standard_args (GeographicLib DEFAULT_MSG
+  GeographicLib_LIBRARY_DIRS GeographicLib_LIBRARIES
+  GeographicLib_INCLUDE_DIRS)
+mark_as_advanced (GeographicLib_LIBRARY_DIRS GeographicLib_LIBRARIES
+  GeographicLib_INCLUDE_DIRS)