# 
# Copyright (C) 2006-2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

ifneq ($(__prereq_inc),1)
__prereq_inc:=1

prereq:
	if [ -f $(TMP_DIR)/.prereq-error ]; then \
		echo; \
		cat $(TMP_DIR)/.prereq-error; \
		rm -f $(TMP_DIR)/.prereq-error; \
		echo; \
		false; \
	fi

.SILENT: prereq
endif

define Require
  export PREREQ_CHECK=1
  ifeq ($$(CHECK_$(1)),)
    prereq: prereq-$(1)

    prereq-$(1): FORCE
		echo -n "Checking '$(1)'... "
		if $(NO_TRACE_MAKE) -f $(firstword $(MAKEFILE_LIST)) check-$(1) >/dev/null 2>/dev/null; then \
			echo 'ok.'; \
		else \
			echo 'failed.'; \
			echo -e "$(PKG_NAME): $(strip $(2))" | perl -ne 's/\\\s*/\n/g,print' >> $(TMP_DIR)/.prereq-error; \
		fi

    check-$(1): FORCE
	  $(call Require/$(1))
    CHECK_$(1):=1

    .SILENT: prereq-$(1) check-$(1)
  endif
endef


define RequireCommand
  define Require/$(1)
    which $(1)
  endef

  $$(eval $$(call Require,$(1),$(2)))
endef

define RequireHeader
  define Require/$(1)
    [ -e "$(1)" ]
  endef
  
  $$(eval $$(call Require,$(1),$(2)))
endef

.NOTPARALLEL:
cgit/iCE40/yosys/'>summary</a><a href='/cgit/iCE40/yosys/refs/'>refs</a><a href='/cgit/iCE40/yosys/log/tests/arch/anlogic/add_sub.ys'>log</a><a class='active' href='/cgit/iCE40/yosys/tree/tests/arch/anlogic/add_sub.ys'>tree</a><a href='/cgit/iCE40/yosys/commit/tests/arch/anlogic/add_sub.ys'>commit</a><a href='/cgit/iCE40/yosys/diff/tests/arch/anlogic/add_sub.ys'>diff</a><a href='/cgit/iCE40/yosys/stats/tests/arch/anlogic/add_sub.ys'>stats</a></td><td class='form'><form class='right' method='get' action='/cgit/iCE40/yosys/log/tests/arch/anlogic/add_sub.ys'>
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<input class='txt' type='search' size='10' name='q' value=''/>
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</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit/iCE40/yosys/tree/'>root</a>/<a href='/cgit/iCE40/yosys/tree/tests'>tests</a>/<a href='/cgit/iCE40/yosys/tree/tests/arch'>arch</a>/<a href='/cgit/iCE40/yosys/tree/tests/arch/anlogic'>anlogic</a>/<a href='/cgit/iCE40/yosys/tree/tests/arch/anlogic/add_sub.ys'>add_sub.ys</a></div><div class='content'>blob: 5396ce7ec5029cefa21ab56cb41fefa2d215fc06 (<a href='/cgit/iCE40/yosys/plain/tests/arch/anlogic/add_sub.ys'>plain</a>)
<table summary='blob content' class='blob'>
<tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a>
<a id='n2' href='#n2'>2</a>
<a id='n3' href='#n3'>3</a>
<a id='n4' href='#n4'>4</a>
<a id='n5' href='#n5'>5</a>
<a id='n6' href='#n6'>6</a>
<a id='n7' href='#n7'>7</a>
<a id='n8' href='#n8'>8</a>
<a id='n9' href='#n9'>9</a>
<a id='n10' href='#n10'>10</a>
</pre></td>
<td class='lines'><pre><code>