README: Update with the CMake build option
Note that one can also use CMake and doesn't strictly require GNU Make. For
instance, telling CMake to output Visual Studio project files and using
those would preclude the need for GNU Make.
diff --git a/README.md b/README.md
index d412a4d..5b52153 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@
You need the following tools to build the library with the provided makefiles:
-* GNU Make.
+* GNU Make or a build tool that CMake supports.
* A C99 toolchain (compiler, linker, archiver).
* Python 2 or Python 3 (either will work) to generate the test code.
* Perl to run the tests.