1 files changed, 4 insertions, 0 deletions
diff --git a/README.md b/README.md
index a1e160a..57ce545 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,10 @@ Compilation
 -----------
 
 Optionally run `./configure` (see `./configure -h` for options).
+
+Some build hosts require calling `./configure` with `-B-lm` to pass `-lm` to the
+linker for certain math.h functions.
+
 Run `redo all` to build the library and tests.
 
 Testing