| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 2 | # |
| 3 | # Copyright (C) 2006-2020 OpenWrt.org |
| 4 | |
| 5 | ifneq ($(__prereq_inc),1) |
| 6 | __prereq_inc:=1 |
| 7 | |
| 8 | prereq: |
| 9 | if [ -f $(TMP_DIR)/.prereq-error ]; then \ |
| 10 | echo; \ |
| 11 | cat $(TMP_DIR)/.prereq-error; \ |
| 12 | rm -f $(TMP_DIR)/.prereq-error; \ |
| 13 | echo; \ |
| 14 | false; \ |
| 15 | fi |
| 16 | |
| 17 | .SILENT: prereq |
| 18 | endif |
| 19 | |
| 20 | PREREQ_PREV= |
| 21 | |
| 22 | # 1: display name |
| 23 | # 2: error message |
| 24 | define Require |
| 25 | export PREREQ_CHECK=1 |
| 26 | ifeq ($$(CHECK_$(1)),) |
| 27 | prereq: prereq-$(1) |
| 28 | |
| 29 | prereq-$(1): $(if $(PREREQ_PREV),prereq-$(PREREQ_PREV)) FORCE |
| 30 | printf "Checking '$(1)'... " |
| 31 | if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) PATH="$(ORIG_PATH)" >/dev/null 2>/dev/null; then \ |
| 32 | echo 'ok.'; \ |
| 33 | elif $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) PATH="$(ORIG_PATH)" >/dev/null 2>/dev/null; then \ |
| 34 | echo 'updated.'; \ |
| 35 | else \ |
| 36 | echo 'failed.'; \ |
| 37 | echo "$(PKG_NAME): $(strip $(2))" >> $(TMP_DIR)/.prereq-error; \ |
| 38 | fi |
| 39 | |
| 40 | check-$(1): FORCE |
| 41 | $(call Require/$(1)) |
| 42 | CHECK_$(1):=1 |
| 43 | |
| 44 | .SILENT: prereq-$(1) check-$(1) |
| 45 | .NOTPARALLEL: |
| 46 | endif |
| 47 | |
| 48 | PREREQ_PREV=$(1) |
| 49 | endef |
| 50 | |
| 51 | |
| 52 | define RequireCommand |
| 53 | define Require/$(1) |
| 54 | command -v $(1) |
| 55 | endef |
| 56 | |
| 57 | $$(eval $$(call Require,$(1),$(2))) |
| 58 | endef |
| 59 | |
| 60 | define RequireHeader |
| 61 | define Require/$(1) |
| 62 | [ -e "$(1)" ] |
| 63 | endef |
| 64 | |
| 65 | $$(eval $$(call Require,$(1),$(2))) |
| 66 | endef |
| 67 | |
| 68 | # 1: header to test |
| 69 | # 2: failure message |
| 70 | # 3: optional compile time test |
| 71 | # 4: optional link library test (example -lncurses) |
| 72 | define RequireCHeader |
| 73 | define Require/$(1) |
| 74 | echo 'int main(int argc, char **argv) { $(3); return 0; }' | gcc -include $(1) -x c -o $(TMP_DIR)/a.out - $(4) |
| 75 | endef |
| 76 | |
| 77 | $$(eval $$(call Require,$(1),$(2))) |
| 78 | endef |
| 79 | |
| 80 | define QuoteHostCommand |
| 81 | '$(subst ','"'"',$(strip $(1)))' |
| 82 | endef |
| 83 | |
| 84 | # 1: display name |
| 85 | # 2: failure message |
| 86 | # 3: test |
| 87 | define TestHostCommand |
| 88 | define Require/$(1) |
| 89 | ($(3)) >/dev/null 2>/dev/null |
| 90 | endef |
| 91 | |
| 92 | $$(eval $$(call Require,$(1),$(2))) |
| 93 | endef |
| 94 | |
| 95 | # 1: canonical name |
| 96 | # 2: failure message |
| 97 | # 3+: candidates |
| 98 | define SetupHostCommand |
| 99 | define Require/$(1) |
| 100 | mkdir -p "$(STAGING_DIR_HOST)/bin"; \ |
| 101 | for cmd in $(call QuoteHostCommand,$(3)) $(call QuoteHostCommand,$(4)) \ |
| 102 | $(call QuoteHostCommand,$(5)) $(call QuoteHostCommand,$(6)) \ |
| 103 | $(call QuoteHostCommand,$(7)) $(call QuoteHostCommand,$(8)) \ |
| 104 | $(call QuoteHostCommand,$(9)) $(call QuoteHostCommand,$(10)) \ |
| 105 | $(call QuoteHostCommand,$(11)) $(call QuoteHostCommand,$(12)); do \ |
| 106 | if [ -n "$$$$$$$$cmd" ]; then \ |
| 107 | bin="$$$$$$$$(command -v "$$$$$$$${cmd%% *}")"; \ |
| 108 | if [ -x "$$$$$$$$bin" ] && eval "$$$$$$$$cmd" >/dev/null 2>/dev/null; then \ |
| 109 | case "$$$$$$$$(ls -dl -- $(STAGING_DIR_HOST)/bin/$(strip $(1)))" in \ |
| 110 | "-"* | \ |
| 111 | *" -> $$$$$$$$bin"* | \ |
| 112 | *" -> "[!/]*) \ |
| 113 | [ -x "$(STAGING_DIR_HOST)/bin/$(strip $(1))" ] && exit 0 \ |
| 114 | ;; \ |
| 115 | esac; \ |
| 116 | ln -sf "$$$$$$$$bin" "$(STAGING_DIR_HOST)/bin/$(strip $(1))"; \ |
| 117 | exit 1; \ |
| 118 | fi; \ |
| 119 | fi; \ |
| 120 | done; \ |
| 121 | exit 1 |
| 122 | endef |
| 123 | |
| 124 | $$(eval $$(call Require,$(1),$(if $(2),$(2),Missing $(1) command))) |
| 125 | endef |