[netcdf-cxx4] Export cmake targets (#14405)

* [netcdf-cxx4] Update to latest commit and also export targets file

* Revert the update to latest commit and make a patch to export cmake targets

* Revert the changes in fix-dependecy-hdf5.patch

4 files changed, 86 insertions, 3 deletions

diff --git a/ports/netcdf-cxx4/CONTROL b/ports/netcdf-cxx4/CONTROL
index b628a3825..cf6986561 100644
--- a/ports/netcdf-cxx4/CONTROL
+++ b/ports/netcdf-cxx4/CONTROL
@@ -1,6 +1,6 @@
 Source: netcdf-cxx4
 Version: 4.3.1
-Port-Version: 1
+Port-Version: 2
 Build-Depends: hdf5, netcdf-c
 Homepage: https://github.com/Unidata/netcdf-cxx4
 Description: a set of machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.
diff --git a/ports/netcdf-cxx4/export-cmake-targets.patch b/ports/netcdf-cxx4/export-cmake-targets.patch
new file mode 100644
index 000000000..b46ef3947
--- /dev/null
+++ b/ports/netcdf-cxx4/export-cmake-targets.patch
@@ -0,0 +1,49 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f06fcc0..a19ab28 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -622,9 +622,23 @@ write_basic_package_version_file(
+   VERSION ${NCXX_VERSION}
+   COMPATIBILITY SameMajorVersion
+   )
++  
++install(
++  EXPORT netcdf-cxx4Targets
++  FILE netcdf-cxx4Targets.cmake
++  NAMESPACE netCDF::
++  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/netCDFCxx
++  )
+ 
++configure_package_config_file(
++  "${CMAKE_CURRENT_SOURCE_DIR}/netCDFCxxConfig.cmake.in"
++  "${CMAKE_CURRENT_BINARY_DIR}/netCDFCxxConfig.cmake"
++  INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/netCDFCxx"
++  )
++  
+ install(
+   FILES
++  "${CMAKE_CURRENT_BINARY_DIR}/netCDFCxxConfig.cmake"
+   "${CMAKE_CURRENT_BINARY_DIR}/netCDF/netCDFCxxConfigVersion.cmake"
+   DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/netCDFCxx
+   COMPONENT headers
+diff --git a/cxx4/CMakeLists.txt b/cxx4/CMakeLists.txt
+index b433786..5ef4bed 100644
+--- a/cxx4/CMakeLists.txt
++++ b/cxx4/CMakeLists.txt
+@@ -32,7 +32,7 @@ SET(ALL_TLL_LIBS ${ALL_TLL_LIBS} ${HDF5_C_LIBRARY_hdf5})
+ SET(ALL_TLL_LIBS ${ALL_TLL_LIBS} ${EXTRA_DEPS} PARENT_SCOPE)
+ 
+ ADD_LIBRARY(netcdf-cxx4 ${CXX_SOURCES})
+-TARGET_INCLUDE_DIRECTORIES(netcdf-cxx4 PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
++TARGET_INCLUDE_DIRECTORIES(netcdf-cxx4 PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> $<INSTALL_INTERFACE:include>)
+ TARGET_LINK_LIBRARIES(netcdf-cxx4 ${ALL_TLL_LIBS})
+ SET_TARGET_PROPERTIES(netcdf-cxx4 PROPERTIES
+   VERSION ${NCXX_LIB_VERSION}
+@@ -49,6 +49,7 @@ INSTALL(
+   )
+ INSTALL(
+   TARGETS netcdf-cxx4
++  EXPORT netcdf-cxx4Targets
+   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
diff --git a/ports/netcdf-cxx4/netCDFCxxConfig.cmake.in b/ports/netcdf-cxx4/netCDFCxxConfig.cmake.in
new file mode 100644
index 000000000..430d3d911
--- /dev/null
+++ b/ports/netcdf-cxx4/netCDFCxxConfig.cmake.in
@@ -0,0 +1,29 @@
+# NetCDF CXX Configuration Summary

+@PACKAGE_INIT@

+

+include(CMakeFindDependencyMacro)

+

+if (@netCDF_FOUND@)

+  if(EXISTS "@netCDF_ROOT@")

+    set(netCDF_ROOT "@netCDF_ROOT@")

+  endif()

+  if(EXISTS "@netCDF_DIR@")

+    set(netCDF_DIR "@netCDF_DIR@")

+  endif()

+  find_dependency(netCDF)

+  set(NETCDF_C_LIBRARY ${netCDF_LIBRARIES})

+  set(NETCDF_C_INCLUDE_DIR ${netCDF_INCLUDE_DIR})

+else()

+  set(NETCDF_C_LIBRARY "@NETCDF_C_LIBRARY@")

+  set(NETCDF_C_INCLUDE_DIR "@NETCDF_C_INCLUDE_DIR@")

+endif()

+

+if (NOT TARGET netCDF::netcdf)

+  add_library(netCDF::netcdf UNKNOWN IMPORTED)

+  set_target_properties(netCDF::netcdf PROPERTIES

+    IMPORTED_LOCATION "${NETCDF_C_LIBRARY}"

+    INTERFACE_INCLUDE_DIRECTORIES "${NETCDF_C_INCLUDE_DIR}"

+  )

+endif()

+

+include("${CMAKE_CURRENT_LIST_DIR}/netcdf-cxx4Targets.cmake")
\ No newline at end of file
diff --git a/ports/netcdf-cxx4/portfile.cmake b/ports/netcdf-cxx4/portfile.cmake
index 3efd8e3aa..f01412804 100644
--- a/ports/netcdf-cxx4/portfile.cmake
+++ b/ports/netcdf-cxx4/portfile.cmake
@@ -8,12 +8,17 @@ vcpkg_from_github(
     REF f8882188267488ef801691e69ad072e3eb217ad8 # v4.3.1
     SHA512 9816acf221d196e21af19d4c3d85484934916e7c018e9b2c96aab9f5660b2f08c5db9cd8254ba3fa5f0aa5f5c5ad7bd3a3aaba559e5e640c5349d44e07a20ed3
     HEAD_REF master
-    PATCHES fix-dependecy-hdf5.patch
+    PATCHES 
+        fix-dependecy-hdf5.patch
+        export-cmake-targets.patch
 )
 
+#Provided by upstream https://github.com/Unidata/netcdf-cxx4/blob/master/netCDFCxxConfig.cmake.in
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/netCDFCxxConfig.cmake.in DESTINATION ${SOURCE_PATH})
+
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
-    PREFER_NINJA # Disable this option if project cannot be built with Ninja
+    PREFER_NINJA
     OPTIONS
         -DNCXX_ENABLE_TESTS=OFF
         -DCMAKE_INSTALL_CMAKECONFIGDIR=share/netCDFCxx