mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
35135842ca
Add RequireCHeader helper that will try to compile a fake c program with the requested header included. This is useful to check if a specific header is present in the system without checking for the specific path. This is a generilized version of the current ncurses test. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
131 lines
3.0 KiB
Makefile
131 lines
3.0 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
|
|
#
|
|
# Copyright (C) 2006-2020 OpenWrt.org
|
|
|
|
ifneq ($(__prereq_inc),1)
|
|
__prereq_inc:=1
|
|
|
|
prereq:
|
|
if [ -f $(TMP_DIR)/.prereq-error ]; then \
|
|
echo; \
|
|
cat $(TMP_DIR)/.prereq-error; \
|
|
rm -f $(TMP_DIR)/.prereq-error; \
|
|
echo; \
|
|
false; \
|
|
fi
|
|
|
|
.SILENT: prereq
|
|
endif
|
|
|
|
PREREQ_PREV=
|
|
|
|
# 1: display name
|
|
# 2: error message
|
|
define Require
|
|
export PREREQ_CHECK=1
|
|
ifeq ($$(CHECK_$(1)),)
|
|
prereq: prereq-$(1)
|
|
|
|
prereq-$(1): $(if $(PREREQ_PREV),prereq-$(PREREQ_PREV)) FORCE
|
|
printf "Checking '$(1)'... "
|
|
if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
|
|
echo 'ok.'; \
|
|
else \
|
|
echo 'failed.'; \
|
|
echo "$(PKG_NAME): $(strip $(2))" >> $(TMP_DIR)/.prereq-error; \
|
|
fi
|
|
|
|
check-$(1): FORCE
|
|
$(call Require/$(1))
|
|
CHECK_$(1):=1
|
|
|
|
.SILENT: prereq-$(1) check-$(1)
|
|
.NOTPARALLEL:
|
|
endif
|
|
|
|
PREREQ_PREV=$(1)
|
|
endef
|
|
|
|
|
|
define RequireCommand
|
|
define Require/$(1)
|
|
command -v $(1)
|
|
endef
|
|
|
|
$$(eval $$(call Require,$(1),$(2)))
|
|
endef
|
|
|
|
define RequireHeader
|
|
define Require/$(1)
|
|
[ -e "$(1)" ]
|
|
endef
|
|
|
|
$$(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 $$(call Require,python2-cleanup))
|
|
endef
|
|
|
|
define QuoteHostCommand
|
|
'$(subst ','"'"',$(strip $(1)))'
|
|
endef
|
|
|
|
# 1: display name
|
|
# 2: failure message
|
|
# 3: test
|
|
define TestHostCommand
|
|
define Require/$(1)
|
|
($(3)) >/dev/null 2>/dev/null
|
|
endef
|
|
|
|
$$(eval $$(call Require,$(1),$(2)))
|
|
endef
|
|
|
|
# 1: canonical name
|
|
# 2: failure message
|
|
# 3+: candidates
|
|
define SetupHostCommand
|
|
define Require/$(1)
|
|
[ -f "$(STAGING_DIR_HOST)/bin/$(strip $(1))" ] && exit 0; \
|
|
for cmd in $(call QuoteHostCommand,$(3)) $(call QuoteHostCommand,$(4)) \
|
|
$(call QuoteHostCommand,$(5)) $(call QuoteHostCommand,$(6)) \
|
|
$(call QuoteHostCommand,$(7)) $(call QuoteHostCommand,$(8)) \
|
|
$(call QuoteHostCommand,$(9)) $(call QuoteHostCommand,$(10)) \
|
|
$(call QuoteHostCommand,$(11)) $(call QuoteHostCommand,$(12)); do \
|
|
if [ -n "$$$$$$$$cmd" ]; then \
|
|
bin="$$$$$$$$(PATH="$(subst $(space),:,$(filter-out $(STAGING_DIR_HOST)/%,$(subst :,$(space),$(PATH))))" \
|
|
command -v "$$$$$$$${cmd%% *}")"; \
|
|
if [ -x "$$$$$$$$bin" ] && eval "$$$$$$$$cmd" >/dev/null 2>/dev/null; then \
|
|
mkdir -p "$(STAGING_DIR_HOST)/bin"; \
|
|
ln -sf "$$$$$$$$bin" "$(STAGING_DIR_HOST)/bin/$(strip $(1))"; \
|
|
exit 0; \
|
|
fi; \
|
|
fi; \
|
|
done; \
|
|
exit 1
|
|
endef
|
|
|
|
$$(eval $$(call Require,$(1),$(if $(2),$(2),Missing $(1) command)))
|
|
endef
|