1 files changed, 105 insertions, 0 deletions
diff --git a/include/prereq-build.mk b/include/prereq-build.mk
new file mode 100644
index 0000000..d6396af
--- /dev/null
+++ b/include/prereq-build.mk
@@ -0,0 +1,105 @@
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+TMP_DIR:=$(TOPDIR)/tmp
+include $(INCLUDE_DIR)/prereq.mk
+include $(INCLUDE_DIR)/host.mk
+
+define Require/non-root
+	[ "$$(shell whoami)" != "root" ]
+endef
+$(eval $(call Require,non-root, \
+	Please do not compile as root. \
+))
+
+# Required for the toolchain
+define Require/working-make
+	echo 'all: test' > $(TMP_DIR)/check.mk
+	echo 'e0 = $$$$(foreach s,foobar,$$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
+	echo 'e1 = $$$$(foreach s,foobar, $$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
+	echo 'test: $$$$(strip $$$$(e0)) $$$$(strip $$$$(e1))' >> $(TMP_DIR)/check.mk
+	$(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
+endef
+
+$(eval $(call Require,working-make, \
+	Please install GNU make v3.81 or later. (This version has bugs) \
+))
+
+define Require/working-gcc
+	echo 'int main(int argc, char **argv) { return 0; }' | \
+		gcc -x c -o $(TMP_DIR)/a.out -
+endef
+
+$(eval $(call Require,working-gcc, \
+	Please install the GNU C Compiler (gcc). \
+))
+
+define Require/working-g++
+	echo 'int main(int argc, char **argv) { return 0; }' | \
+		g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ -
+endef
+
+$(eval $(call Require,working-g++, \
+	Please install the GNU C++ Compiler (g++). \
+))
+
+define Require/ncurses
+	echo 'int main(int argc, char **argv) { initscr(); return 0; }' | \
+		gcc -include ncurses.h -x c -o $(TMP_DIR)/a.out -lncurses -
+endef
+
+$(eval $(call Require,ncurses, \
+	Please install ncurses. (Missing libncurses.so or ncurses.h) \
+))
+
+
+define Require/zlib
+	echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
+		gcc -include zlib.h -x c -o $(TMP_DIR)/a.out -lz -
+endef
+
+$(eval $(call Require,zlib, \
+	Please install zlib. (Missing libz.so or zlib.h) \
+))
+
+
+$(eval $(call RequireCommand,bison, \
+	Please install GNU bison. \
+))
+
+$(eval $(call RequireCommand,flex, \
+	Please install flex. \
+))
+
+$(eval $(call RequireCommand,python, \
+	Please install python. \
+))
+
+$(eval $(call RequireCommand,unzip, \
+	Please install unzip. \
+))
+
+$(eval $(call RequireCommand,bzip2, \
+	Please install bzip2. \
+))
+
+$(eval $(call RequireCommand,patch, \
+	Please install patch. \
+))
+
+$(eval $(call RequireCommand,perl, \
+	Please install perl. \
+))
+
+define Require/gnutar
+	$(TAR) --version 2>&1 | grep GNU > /dev/null
+endef
+
+$(eval $(call Require,gnutar, \
+	Please install GNU tar. \
+))