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Description: CMake/ecbuild fragment to find the PROJ4 library
Author: Alastair McKinstry <mckinstry@debian.org>
Last-Updated: 2020-01-06
Forwarded: no
Index: atlas-ecmwf-0.20.0/cmake/FindPROJ4.cmake
===================================================================
--- /dev/null
+++ atlas-ecmwf-0.20.0/cmake/FindPROJ4.cmake
@@ -0,0 +1,48 @@
+# (C) Copyright 2020- Alastair McKinstry
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+# In applying this licence, ECMWF does not waive the privileges and immunities
+# granted to it by virtue of its status as an intergovernmental organisation nor
+# does it submit to any jurisdiction.
+
+# - Try to find libPROJ
+# Once done this will define
+#
+# PROJ4_FOUND - found PROJ
+# PROJ4_INCLUDE_DIRS - the PROJ include directories
+# PROJ4_LIBRARIES - the PROJ libraries
+#
+# The following paths will be searched with priority if set in CMake or env
+#
+# PROJ4_PATH - prefix path of the Armadillo installation
+# PROJ4_ROOT - Set this variable to the root installation
+
+# Search with priority for PROJ4_PATH if given as CMake or env var
+
+find_path(PROJ4_INCLUDE_DIR proj.h
+ HINTS $ENV{PROJ4_ROOT} ${PROJ4_ROOT}
+ PATHS ${PROJ4_PATH} ENV PROJ4_PATH
+ PATH_SUFFIXES include NO_DEFAULT_PATH)
+
+find_path(PROJ4_INCLUDE_DIR proj.h PATH_SUFFIXES include )
+
+# Search with priority for PROJ4_PATH if given as CMake or env var
+find_library(PROJ4_LIBRARY proj
+ HINTS $ENV{PROJ4_ROOT} ${PROJ4_ROOT}
+ PATHS ${PROJ4_PATH} ENV PROJ4_PATH
+ PATH_SUFFIXES lib64 lib NO_DEFAULT_PATH)
+
+find_library( PROJ4_LIBRARY proj PATH_SUFFIXES lib64 lib )
+
+set( PROJ4_LIBRARIES ${PROJ4_LIBRARY} )
+set( PROJ4_INCLUDE_DIRS ${PROJ4_INCLUDE_DIR} )
+
+include(FindPackageHandleStandardArgs)
+
+# handle the QUIET and REQUIRED arguments and set PROJ4_FOUND to TRUE
+# if all listed variables are TRUE
+# Note: capitalisation of the package name must be the same as in the file name
+find_package_handle_standard_args(PROJ4 DEFAULT_MSG PROJ4_LIBRARY PROJ4_INCLUDE_DIR)
+
+mark_as_advanced(PROJ4_INCLUDE_DIR PROJ4_LIBRARY)
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