Mention libb2 dependency in installation instructions

diff --git a/doc/INSTALL-from-release-archive.md b/doc/INSTALL-from-release-archive.md
index 073ddc27e5c1162188f9112dcfec0af4a9ebeddc..021f8c067b2406b88e8cb4dff4a72eb05d4f102f 100644 (file)
--- a/doc/INSTALL-from-release-archive.md
+++ b/doc/INSTALL-from-release-archive.md
@@ -8,6 +8,11 @@ To build ccache from a
 [release archive](https://ccache.dev/download.html), you need:
 
 - A C compiler (for instance GCC).
+- [libb2](https://github.com/BLAKE2/libb2). If you don't have libb2 installed
+  and can't or don't want to install it on your system, you can pass
+  `--with-libb2-from-internet` to the configure script, which will make the
+  script download libb2 from the Internet and unpack it in the local source
+  tree. ccache will then be linked statically to the locally built libb2.
 - [libzstd](http://www.zstd.net). If you don't have libzstd installed and can't
   or don't want to install it on your system, you can pass
   `--with-libzstd-from-internet` to the configure script, which will make the

diff --git a/doc/INSTALL.md b/doc/INSTALL.md
index 8f10b75d75ee65f3d9b83162f084b1f4070de078..a48a6ff29b3cadbedc00e145fcacad3b6acaac7a 100644 (file)
--- a/doc/INSTALL.md
+++ b/doc/INSTALL.md
@@ -14,6 +14,11 @@ To build ccache from a source repository, you need:
 - [Autoconf](http://www.gnu.org/software/autoconf/) to generate the configure
   script and related files.
 - [gperf](http://www.gnu.org/software/gperf/) to create lookup tables.
+- [libb2](https://github.com/BLAKE2/libb2). If you don't have libb2 installed
+  and can't or don't want to install it on your system, you can pass
+  `--with-libb2-from-internet` to the configure script, which will make the
+  script download libb2 from the Internet and unpack it in the local source
+  tree. ccache will then be linked statically to the locally built libb2.
 - [libzstd](http://www.zstd.net). If you don't have libzstd installed and can't
   or don't want to install it on your system, you can pass
   `--with-libzstd-from-internet` to the configure script, which will make the