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-rw-r--r--gcc/doc/install.texi6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index b5509ff..1af0082 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -350,6 +350,12 @@ documentation including the target @code{SYSTEM} definition module.
If Python3 is unavailable Modula-2 documentation will include a target
independent version of the SYSTEM modules.
+@item @anchor{gccrs-prerequisite}gccrs
+
+The official Rust compiler and Rust build system (cargo) are required for
+building various parts of the gccrs frontend, until gccrs can compile them
+by itself. The minimum supported Rust version is 1.49.
+
@item A ``working'' POSIX compatible shell, or GNU bash
Necessary when running @command{configure} because some