work around broken flag detections in gdal

recipes/gdal

@@ -4,3 +4,5 @@ Depends: pkgconfig, xz, libpq, proj, openjpeg, libwebp, libgeotiff, freexl, sqli
 Source-URL: https://github.com/OSGeo/gdal/releases/download/v${ver}/gdal-${ver}.tar.gz
 Source-SHA256: b1c739256d074be42d67c6c3d33eee94c90a490ebb02fcb7fc21c569a6fc78bd
 Build-system: cmake
+#Note: their CFLAGS/LIBS detection is broken as usual, requires flags to be manually passed from pkg-config
+Configure: -DCMAKE_EXE_LINKER_FLAGS="`pkg-config --static --libs libpq libwebp blosc netcdf` -liconv" -DCMAKE_C_FLAGS="`pkg-config --cflags libpq libwebp blosc netcdf`" -DCMAKE_CXX_FLAGS="`pkg-config --cflags libpq libwebp blosc netcdf`" -DGDAL_ENABLE_HDF5_GLOBAL_LOCK=NO

recipes/gdal.patch

@@ -0,0 +1,14 @@
+diff -ru gdal-3.10.1/frmts/hdf5/CMakeLists.txt gdal-3.10.1-1/frmts/hdf5/CMakeLists.txt
+--- gdal-3.10.1/frmts/hdf5/CMakeLists.txt	2025-01-09 03:54:06
++++ gdal-3.10.1-1/frmts/hdf5/CMakeLists.txt	2025-02-08 16:48:03
+@@ -94,7 +94,9 @@
+   target_compile_definitions(gdal_HDF5 PRIVATE -DWIN32)
+ endif ()
+ target_include_directories(gdal_HDF5 SYSTEM PRIVATE ${HDF5_INCLUDE_DIRS})
+-gdal_target_link_libraries(gdal_HDF5 PRIVATE ${HDF5_C_LIBRARIES})
++if (DEFINED HDF5_C_LIBRARIES)
++  gdal_target_link_libraries(gdal_HDF5 PRIVATE ${HDF5_C_LIBRARIES})
++endif ()
+
+ if (HDF5_BUILD_SHARED_LIBS)
+   target_compile_definitions(gdal_HDF5 PRIVATE -DH5_BUILT_AS_DYNAMIC_LIB)