From f651a359691cbe4750f1fe8d14dd964f7971f916 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Mon, 11 Sep 2023 14:54:29 +0200
Subject: build: Add dependency on Git.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* configure.ac: Check for ‘git’ and substitute ‘GIT’.
* guix/config.scm.in (%git): New variable.
* guix/self.scm (compiled-guix): Define ‘git’ and pass it to
‘make-config.scm’.
(make-config.scm): Add #:git; emit a ‘%git’ variable.
* doc/guix.texi (Requirements): Add it.
---
 configure.ac | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 92dede8014..d817f620cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -201,6 +201,13 @@ AC_SUBST([GZIP])
 AC_SUBST([BZIP2])
 AC_SUBST([XZ])
 
+dnl Git is now required for the "builtin:git-download" derivation builder.
+AC_PATH_PROG([GIT], [git])
+if test "x$GIT" = "x"; then
+  AC_MSG_ERROR([Git is missing; please install it.])
+fi
+AC_SUBST([GIT])
+
 LIBGCRYPT_LIBDIR="no"
 LIBGCRYPT_PREFIX="no"
 
-- 
cgit v1.2.3