Disable rt2500 for big-endian targets, we will update to a mac80211 version (#1886)
[librecmc/librecmc.git] / include / prereq.mk
1
2 # Copyright (C) 2006 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
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
19 define Require
20   export PREREQ_CHECK=1
21   ifeq ($$(CHECK_$(1)),)
22     prereq: prereq-$(1)
23
24     prereq-$(1): FORCE
25                 echo -n "Checking '$(1)'... "
26                 if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
27                         echo 'ok.'; \
28                 else \
29                         echo 'failed.'; \
30                         echo -e "$(PKG_NAME): $(strip $(2))" | perl -ne 's/\\\s*/\n/g,print' >> $(TMP_DIR)/.prereq-error; \
31                 fi
32
33     check-$(1): FORCE
34           $(call Require/$(1))
35     CHECK_$(1):=1
36
37     .SILENT: prereq-$(1) check-$(1)
38   endif
39 endef
40
41
42 define RequireCommand
43   define Require/$(1)
44     which $(1)
45   endef
46
47   $$(eval $$(call Require,$(1),$(2)))
48 endef
49