Added a remark about cmake

1 files changed, 6 insertions, 0 deletions

diff --git a/README.md b/README.md
index f9c3185..6fe365a 100644
--- a/README.md
+++ b/README.md
@@ -33,3 +33,9 @@ the header files are:
 export OPENSSL_INCLUDE_DIR=`brew --prefix openssl`/include
 export OPENSSL_LIB_DIR=`brew --prefix openssl`/lib
 ```
+
+This crate also needs to have `cmake` installed:
+
+```sh
+brew install cmake
+```
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