From d582b399781f6fd80c63d07746524196603972e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 25 Jan 2022 16:49:57 +0100
Subject: [PATCH] build: Require Guile >= 3.0.3.

Fixes <https://issues.guix.gnu.org/53157>.
Reported by Efraim Flashner <efraim@flashner.co.il>.

* configure.ac: Require Guile >= 3.0.3.
* doc/guix.texi (Requirements): Update accordingly.
---
 configure.ac  | 3 +++
 doc/guix.texi | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 341cff8fbd..a9b1a72887 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,6 +102,9 @@ if test "x$GUILD" = "x"; then
    AC_MSG_ERROR(['guild' binary not found; please check your Guile installation.])
 fi
 
+dnl (guix ui), notably, requires 'default-optimization-level' added in 3.0.3.
+PKG_CHECK_MODULES([GUILE], [guile-3.0 >= 3.0.3])
+
 dnl Get CFLAGS and LDFLAGS for libguile.
 GUILE_FLAGS
 
diff --git a/doc/guix.texi b/doc/guix.texi
index 97674d0fa7..6e3a780ccb 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -894,7 +894,8 @@ GNU Guix is available for download from its website at
 GNU Guix depends on the following packages:
 
 @itemize
-@item @url{https://gnu.org/software/guile/, GNU Guile}, version 3.0.x;
+@item @url{https://gnu.org/software/guile/, GNU Guile}, version 3.0.x,
+version 3.0.3 or later;
 @item @url{https://notabug.org/cwebber/guile-gcrypt, Guile-Gcrypt}, version
 0.1.0 or later;
 @item