--- gdal-2.3.1/ogr/ogrct.cpp~ 2018-06-23 17:09:11.000000000 +0200 +++ gdal-2.3.1/ogr/ogrct.cpp 2018-07-30 15:55:10.059763422 +0200 @@ -124,7 +124,7 @@ #elif defined(__APPLE__) # define LIBNAME "libproj.dylib" #else -# define LIBNAME "libproj.so" +# define LIBNAME "libproj.so.15" #endif #endif // PROJ_VERSION == 4