+# 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 ($(__prereq_inc),1)
__prereq_inc:=1
prereq-$(1): $(if $(PREREQ_PREV),prereq-$(PREREQ_PREV)) FORCE
printf "Checking '$(1)'... "
- if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
+ if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) PATH="$(ORIG_PATH)" >/dev/null 2>/dev/null; then \
echo 'ok.'; \
+ elif $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) PATH="$(ORIG_PATH)" >/dev/null 2>/dev/null; then \
+ echo 'updated.'; \
else \
echo 'failed.'; \
echo "$(PKG_NAME): $(strip $(2))" >> $(TMP_DIR)/.prereq-error; \
define RequireCommand
define Require/$(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 QuoteHostCommand
'$(subst ','"'"',$(strip $(1)))'
endef
# 3+: candidates
define SetupHostCommand
define Require/$(1)
+ mkdir -p "$(STAGING_DIR_HOST)/bin"; \
for cmd in $(call QuoteHostCommand,$(3)) $(call QuoteHostCommand,$(4)) \
$(call QuoteHostCommand,$(5)) $(call QuoteHostCommand,$(6)) \
$(call QuoteHostCommand,$(7)) $(call QuoteHostCommand,$(8)) \
- $(call QuoteHostCommand,$(9)); do \
+ $(call QuoteHostCommand,$(9)) $(call QuoteHostCommand,$(10)) \
+ $(call QuoteHostCommand,$(11)) $(call QuoteHostCommand,$(12)); do \
if [ -n "$$$$$$$$cmd" ]; then \
- bin="$$$$$$$$(PATH="$(subst $(space),:,$(filter-out $(STAGING_DIR_HOST)/%,$(subst :,$(space),$(PATH))))" \
- which "$$$$$$$${cmd%% *}")"; \
+ bin="$$$$$$$$(command -v "$$$$$$$${cmd%% *}")"; \
if [ -x "$$$$$$$$bin" ] && eval "$$$$$$$$cmd" >/dev/null 2>/dev/null; then \
- mkdir -p "$(STAGING_DIR_HOST)/bin"; \
+ case "$$$$$$$$(ls -dl -- $(STAGING_DIR_HOST)/bin/$(strip $(1)))" in \
+ "-"* | \
+ *" -> $$$$$$$$bin"* | \
+ *" -> "[!/]*) \
+ [ -x "$(STAGING_DIR_HOST)/bin/$(strip $(1))" ] && exit 0 \
+ ;; \
+ esac; \
ln -sf "$$$$$$$$bin" "$(STAGING_DIR_HOST)/bin/$(strip $(1))"; \
- exit 0; \
+ exit 1; \
fi; \
fi; \
done; \