2 # Copyright (C) 2006 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
8 include $(TOPDIR)/rules.mk
9 include $(INCLUDE_DIR)/prereq.mk
10 include $(INCLUDE_DIR)/host.mk
12 define Require/non-root
13 [ "$$(shell whoami)" != "root" ]
15 $(eval $(call Require,non-root, \
16 Please do not compile as root. \
19 # Required for the toolchain
20 define Require/working-make
21 echo 'all: test' > $(TMP_DIR)/check.mk
22 echo 'e0 = $$$$(foreach s,foobar,$$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
23 echo 'e1 = $$$$(foreach s,foobar, $$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
24 echo 'test: $$$$(strip $$$$(e0)) $$$$(strip $$$$(e1))' >> $(TMP_DIR)/check.mk
25 $(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
28 $(eval $(call Require,working-make, \
29 Please install GNU make v3.81 or later. (This version has bugs) \
32 define Require/case-sensitive-fs
33 rm -f $(TMP_DIR)/test.*
34 touch $(TMP_DIR)/test.fs
35 [ \! -f $(TMP_DIR)/test.FS ]
38 $(eval $(call Require,case-sensitive-fs, \
39 OpenWrt can only be built on a case-sensitive filesystem \
42 define Require/working-gcc
43 echo 'int main(int argc, char **argv) { return 0; }' | \
44 gcc -x c -o $(TMP_DIR)/a.out -
47 $(eval $(call Require,working-gcc, \
48 Please install the GNU C Compiler (gcc). \
51 define Require/working-g++
52 echo 'int main(int argc, char **argv) { return 0; }' | \
53 g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ -
56 $(eval $(call Require,working-g++, \
57 Please install the GNU C++ Compiler (g++). \
60 define Require/ncurses
61 echo 'int main(int argc, char **argv) { initscr(); return 0; }' | \
62 gcc -include ncurses.h -x c -o $(TMP_DIR)/a.out -lncurses -
65 $(eval $(call Require,ncurses, \
66 Please install ncurses. (Missing libncurses.so or ncurses.h) \
71 echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
72 gcc -include zlib.h -x c -o $(TMP_DIR)/a.out -lz -
75 $(eval $(call Require,zlib, \
76 Please install zlib. (Missing libz.so or zlib.h) \
80 $(eval $(call RequireCommand,bison, \
81 Please install GNU bison. \
84 $(eval $(call RequireCommand,flex, \
85 Please install flex. \
88 $(eval $(call RequireCommand,python, \
89 Please install python. \
92 $(eval $(call RequireCommand,unzip, \
93 Please install unzip. \
96 $(eval $(call RequireCommand,bzip2, \
97 Please install bzip2. \
100 $(eval $(call RequireCommand,patch, \
101 Please install patch. \
104 $(eval $(call RequireCommand,perl, \
105 Please install perl. \
108 $(eval $(call RequireCommand,wget, \
109 Please install wget. \
112 define Require/gnutar
113 $(TAR) --version 2>&1 | grep GNU > /dev/null
116 $(eval $(call Require,gnutar, \
117 Please install GNU tar. \