Refer to the platform-compiler-language-support page in INSTALL.md

As mentioned in #695.

diff --git a/doc/INSTALL.md b/doc/INSTALL.md
index f27053f84d24ec3db195f6fa72dbbb2084e027ea..b20dd424333fc3b071b30597986b7cca4ee12ea8 100644 (file)
--- a/doc/INSTALL.md
+++ b/doc/INSTALL.md
@@ -7,7 +7,9 @@ Prerequisites
 To build ccache you need:
 
 - CMake 3.4.3 or newer.
-- A C++11 compiler.
+- A C++11 compiler. See [Supported platforms, compilers and
+  languages](https://ccache.dev/platform-compiler-language-support.html) for
+  details.
 - A C99 compiler.
 - [libzstd](https://www.zstd.net). If you don't have libzstd installed and
   can't or don't want to install it in a standard system location, there are