diff --git a/setup.py b/setup.py
index d60967aaf79..4dc58c84927 100644
--- a/setup.py
+++ b/setup.py
@@ -1985,6 +1985,7 @@ class PyBuildExt(build_ext):
                 # solaris: problems with register allocation.
                 # icc >= 11.0 works as well.
                 define_macros = config['ppro']
+                extra_compile_args.append('-Wno-unknown-pragmas')
             else:
                 define_macros = config['ansi32']
         else: