123 lines
2.6 KiB
Makefile
123 lines
2.6 KiB
Makefile
#
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# Copyright (C) 2006 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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$(TMP_DIR):
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mkdir -p $@
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prereq:
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echo
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if [ -f $(TMP_DIR)/.prereq-error ]; then \
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cat $(TMP_DIR)/.prereq-error; \
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echo; \
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rm -rf $(TMP_DIR); \
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false; \
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fi
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rm -rf $(TMP_DIR)
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mkdir -p $(TMP_DIR)
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.SILENT: $(TMP_DIR) prereq
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define Require
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ifeq ($$(CHECK_$(1)),)
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prereq: prereq-$(1)
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prereq-$(1): $(TMP_DIR) FORCE
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echo -n "Checking '$(1)'... "
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if $(NO_TRACE_MAKE) -f $(INCLUDE_DIR)/prereq.mk check-$(1) >/dev/null 2>/dev/null; then \
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echo 'ok.'; \
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else \
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echo 'failed.'; \
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echo -e "$(strip $(2))" >> $(TMP_DIR)/.prereq-error; \
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fi
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check-$(1): FORCE
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$(call Require/$(1))
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CHECK_$(1):=1
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.SILENT: prereq-$(1) check-$(1)
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endif
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endef
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define RequireCommand
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define Require/$(1)
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which $(1)
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endef
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$$(eval $$(call Require,$(1),$(2)))
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endef
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# Required for the toolchain
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define Require/working-make
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echo 'all: test' > $(TMP_DIR)/check.mk
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echo 'e0 = $$$$(foreach s,foobar,$$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
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echo 'e1 = $$$$(foreach s,foobar, $$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
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echo 'test: $$$$(strip $$$$(e0)) $$$$(strip $$$$(e1))' >> $(TMP_DIR)/check.mk
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$(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
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endef
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$(eval $(call Require,working-make, \
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Your make version is buggy. Please install GNU make v3.81 or later. \
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))
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define Require/working-gcc
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echo 'int main(int argc, char **argv) { return 0; }' | \
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gcc -x c -o $(TMP_DIR)/a.out -
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endef
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$(eval $(call Require,working-gcc, \
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No working GNU C Compiler (gcc) was found on your system. \
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))
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define Require/working-g++
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echo 'int main(int argc, char **argv) { return 0; }' | \
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g++ -x c++ -o $(TMP_DIR)/a.out -lstdc++ -
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endef
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$(eval $(call Require,working-g++, \
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No working GNU C++ Compiler (g++) was found on your system. \
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))
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define Require/zlib
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echo 'int main(int argc, char **argv) { gzdopen(0, "rb"); return 0; }' | \
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gcc -include zlib.h -x c -o $(TMP_DIR)/a.out -lz -
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endef
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$(eval $(call Require,zlib, \
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No zlib development files were not found on your system. \
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))
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$(eval $(call RequireCommand,bison, \
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Please install GNU bison. \
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))
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$(eval $(call RequireCommand,flex, \
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Please install flex. \
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))
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$(eval $(call RequireCommand,python, \
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Please install python. \
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))
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$(eval $(call RequireCommand,unzip, \
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Please install unzip. \
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))
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$(eval $(call RequireCommand,bzip2, \
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Please install bzip2. \
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))
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$(eval $(call RequireCommand,patch, \
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Please install patch. \
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))
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$(eval $(call RequireCommand,perl, \
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Please install perl. \
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))
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