--- mesa-mesa-20.0.4.orig/src/gallium/targets/opencl/meson.build	2020-04-03 11:25:46.000000000 +0200
+++ mesa-mesa-20.0.4/src/gallium/targets/opencl/meson.build	2020-04-10 17:40:42.912810510 +0200
@@ -31,6 +31,13 @@
 
 llvm_libdir = dep_llvm.get_configtool_variable('libdir')
 
+polly_dep = null_dep
+polly_isl_dep = null_dep
+if dep_llvm.version().version_compare('>=10.0.0')
+  polly_dep = cpp.find_library('Polly', dirs : llvm_libdir, required : false)
+  polly_isl_dep = cpp.find_library('PollyISL', dirs : llvm_libdir, required : false)
+endif
+
 opencl_libname = with_opencl_icd ? 'MesaOpenCL' : 'OpenCL'
 
 libopencl = shared_library(
@@ -56,6 +63,7 @@
     cpp.find_library('clangEdit', dirs : llvm_libdir),
     cpp.find_library('clangLex', dirs : llvm_libdir),
     cpp.find_library('clangBasic', dirs : llvm_libdir),
+    polly_dep, polly_isl_dep,
   ],
   version : '@0@.0.0'.format(opencl_version),
   install : true,