Add MacOS instructions

nyetwurk · nyetwurk · commit d374a572b60d · 2022-09-24T14:57:22.000-07:00
diff --git a/README.md b/README.md
@@ -52,6 +52,8 @@ Under unix or cygwin, "make" should work. On debian you will need `libgmp-dev`
 
 Under Windows MSVSS/nmake, type "build clean" then "build"
 
+Under MacOS, type "brew install gmp" then "make"
+
 # Contributing
 Feel free to contribute to the project!
 
