+# SPDX-License-Identifier: GPL-2.0-only
#
-# Copyright (C) 2006-2015 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
+# Copyright (C) 2006-2020 OpenWrt.org
ifneq ($(__prereq_inc),1)
__prereq_inc:=1
define RequireCommand
define Require/$(1)
- which $(1)
+ command -v $(1)
endef
$$(eval $$(call Require,$(1),$(2)))
$$(eval $$(call Require,$(1),$(2)))
endef
+# 1: header to test
+# 2: failure message
+# 3: optional compile time test
+# 4: optional link library test (example -lncurses)
+define RequireCHeader
+ define Require/$(1)
+ echo 'int main(int argc, char **argv) { $(3); return 0; }' | gcc -include $(1) -x c -o $(TMP_DIR)/a.out - $(4)
+ endef
+
+ $$(eval $$(call Require,$(1),$(2)))
+endef
+
+define CleanupPython2
+ define Require/python2-cleanup
+ if [ -f "$(STAGING_DIR_HOST)/bin/python" ] && \
+ $(STAGING_DIR_HOST)/bin/python -V 2>&1 | \
+ grep -q 'Python 2'; then \
+ rm $(STAGING_DIR_HOST)/bin/python; \
+ fi
+ endef
+
+ $$(eval $$(call Require,python2-cleanup))
+endef
+
define QuoteHostCommand
'$(subst ','"'"',$(strip $(1)))'
endef
$(call QuoteHostCommand,$(11)) $(call QuoteHostCommand,$(12)); do \
if [ -n "$$$$$$$$cmd" ]; then \
bin="$$$$$$$$(PATH="$(subst $(space),:,$(filter-out $(STAGING_DIR_HOST)/%,$(subst :,$(space),$(PATH))))" \
- which "$$$$$$$${cmd%% *}")"; \
+ command -v "$$$$$$$${cmd%% *}")"; \
if [ -x "$$$$$$$$bin" ] && eval "$$$$$$$$cmd" >/dev/null 2>/dev/null; then \
mkdir -p "$(STAGING_DIR_HOST)/bin"; \
ln -sf "$$$$$$$$bin" "$(STAGING_DIR_HOST)/bin/$(strip $(1))"; \