Use configure checks for various inline keywords.

Change-Id: I8508f1a3d3430f998bb9295f849e88e626a52a24
diff --git a/configure b/configure
index cb3c07e..46919bd 100755
--- a/configure
+++ b/configure
@@ -644,6 +644,7 @@
              enable solution
              vs_version=${tgt_cc##vs}
              all_targets="${all_targets} solution"
+             INLINE="__forceinline"
         ;;
     esac