From 63ba4ff871ae00fa869eb3d290362399e8963105 Mon Sep 17 00:00:00 2001
From: Daniel J Walsh <dwalsh@redhat.com>
Date: Mon, 21 Sep 2020 16:30:54 -0400
Subject: Print nice error message when python is not installed

If user runs `make help` on a system without python, we should print a
decent message.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
---
 Makefile | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 253207f49..8a75c11fb 100644
--- a/Makefile
+++ b/Makefile
@@ -135,8 +135,13 @@ export PRINT_HELP_PYSCRIPT
 err_if_empty = $(if $(strip $($(1))),$(strip $($(1))),$(error Required variable $(1) value is undefined, whitespace, or empty))
 
 .PHONY: help
+ifneq (, ${PYTHON})
 help:
 	@$(PYTHON) -c "$$PRINT_HELP_PYSCRIPT" < $(MAKEFILE_LIST)
+else
+help:
+	$(error python required for 'make help', executable not found)
+endif
 
 .gopathok:
 ifeq ("$(wildcard $(GOPKGDIR))","")
-- 
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