1 files changed, 2 insertions, 0 deletions
diff --git a/INSTALL.md b/INSTALL.md
index 903e680..37ec9e8 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -27,6 +27,8 @@ configuration:
 
   * `CC`: Path to C compiler.
   * `CFLAGS`: C compiler options.
+  * `CXX`: Path to C++ compiler.
+  * `CXXFLAGS`: C++ compiler options.
   * `LDFLAGS`: Linker options.
 
 However, it is better to use meson options for configuration.  All options can