From 7443a1fb8c8fe573ad5e3c594e2585af6c5ce9ee Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Tue, 5 May 2020 20:48:32 +0100
Subject: [PATCH] Makefile: Add a new thing for running arbitrary commands.

---
 Makefile | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Makefile b/Makefile
index a3a1ecc..c9befaf 100644
--- a/Makefile
+++ b/Makefile
@@ -648,6 +648,19 @@ maint: all check
 .PHONY: maint
 
 ###--------------------------------------------------------------------------
+### Running random commands.
+
+CMD			 = echo %d %a
+subst-command		 = $(subst %d,$(call chroot-dist,$1), \
+				$(subst %a,$(call chroot-arch,$1), \
+					$(subst %r,$1, $(CMD))))
+
+run: $(foreach c,$(ALL_CHROOTS),run/$c)
+$(foreach c,$(ALL_CHROOTS),run/$c): run/%:
+	$(V_AT)$(call v_print,RUN,$(call subst-command,$*))\
+		$(call subst-command,$*)
+
+###--------------------------------------------------------------------------
 ### Other maintenance targets.
 
 show:; : $x
-- 
2.11.0