allow user to install to NetCDF_ROOT

Author: scivision

CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.13...3.20)
 
 project(nc4fortran
   LANGUAGES C Fortran
-  VERSION 1.2.1
+  VERSION 1.2.2
   DESCRIPTION "thin, light object-oriented NetCDF4 Fortran interface"
   HOMEPAGE_URL https://github.com/geospace-code/nc4fortran)
 

cmake/netcdf.cmake

@@ -7,7 +7,10 @@ find_package(HDF5 COMPONENTS C Fortran REQUIRED)
 
 set(netcdf_external true CACHE BOOL "autobuild NetCDF")
 
-set(NetCDF_ROOT ${PROJECT_BINARY_DIR}/netcdf)
+if(NOT DEFINED NetCDF_ROOT)
+  set(NetCDF_ROOT ${PROJECT_BINARY_DIR}/netcdf)
+endif()
+
 set(NetCDF_INCLUDE_DIRS ${NetCDF_ROOT}/include)
 
 set(NetCDF_C_LIBRARIES ${NetCDF_ROOT}/lib/${CMAKE_SHARED_LIBRARY_PREFIX}netcdf${CMAKE_SHARED_LIBRARY_SUFFIX})
@@ -43,11 +46,8 @@ target_link_libraries(NetCDF::NetCDF_C INTERFACE "${NetCDF_C_LIBRARIES}")
 add_dependencies(NetCDF::NetCDF_C NETCDF_C)
 
 # -- external deps
-
 target_link_libraries(NetCDF::NetCDF_C INTERFACE HDF5::HDF5)
 
-
-
 # --- NetCDF-Fortran
 ExternalProject_Add(NETCDF_FORTRAN
 URL https://github.com/Unidata/netcdf-fortran/archive/v4.5.3.zip

meson.build

@@ -1,6 +1,6 @@
 project('nc4fortran', 'fortran',
   meson_version : '>=0.52.0',
-  version: '1.2.1',
+  version: '1.2.2',
   default_options : ['default_library=static', 'buildtype=release', 'warning_level=3'])
 
 # --- find netcdf