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CMake Better nf-config libdir detection #2161

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CMake Better nf-config libdir detection #2161

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20 changes: 17 additions & 3 deletions cmake/modules/FindnetCDF-Fortran.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -81,9 +81,19 @@ else()
endforeach()


# A bug in previous netcdf-fortran cmake builds, extract from flibs
string( REGEX MATCH "^-L([^ ]*)" netCDF-Fortran_LIBRARY_LINK_LOCATION ${netCDF-Fortran_FLIBS} )
set( netCDF-Fortran_LIBRARY_DIR ${CMAKE_MATCH_1} )
# A bug in previous netcdf-fortran cmake builds, extract from prefix, flibs, or include in priority order
if( NOT "${netCDF-Fortran_PREFIX}" STREQUAL "" )
# fall back to the prefix
set( netCDF-Fortran_LIBRARY_DIR ${netCDF-Fortran_PREFIX} )
elseif ( NOT "${netCDF-Fortran_FLIBS}" STREQUAL "" )
# flibs valid
string( REGEX MATCH "^-L([^ ]*)" netCDF-Fortran_LIBRARY_LINK_LOCATION ${netCDF-Fortran_FLIBS} )
set( netCDF-Fortran_LIBRARY_DIR ${CMAKE_MATCH_1} )
else()
# fall back EVEN further to include
string( REGEX MATCH "^([^ ]*)/include" netCDF-Fortran_LIBRARY_LINK_LOCATION ${netCDF-Fortran_INCLUDE_DIR} )
set( netCDF-Fortran_LIBRARY_DIR ${CMAKE_MATCH_1} )
endif()

set( netCDF-Fortran_DEFINITIONS )
set( netCDF-Fortran_LIBRARIES
Expand All @@ -99,6 +109,9 @@ else()
netcdff
PATHS ${netCDF-Fortran_LIBRARY_DIR}
NO_DEFAULT_PATH
PATH_SUFFIXES
lib/
lib64/
)
endif()

Expand All @@ -110,6 +123,7 @@ find_package_handle_standard_args(
netCDF-Fortran
FOUND_VAR netCDF-Fortran_FOUND
REQUIRED_VARS
netCDF-Fortran_LIBRARY
netCDF-Fortran_INCLUDE_DIRS
netCDF-Fortran_LIBRARIES
netCDF-Fortran_VERSION
Expand Down