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# dwm - dynamic window manager
# © 2006-2007 Anselm R. Garbe, Sander van Dijk

include config.mk

SRC += dwm.c
OBJ = ${SRC:.c=.o}

all: options dwm

options:
	@echo dwm build options:
	@echo "CFLAGS   = ${CFLAGS}"
	@echo "LDFLAGS  = ${LDFLAGS}"
	@echo "CC       = ${CC}"

.c.o:
	@echo CC $<
	@${CC} -c ${CFLAGS} $<

${OBJ}: config.h config.mk

config.h:
	echo creating $@ from config.def.h
	cp config.def.h $@

dwm: ${OBJ}
	@echo CC -o $@
	@${CC} -o $@ ${OBJ} ${LDFLAGS}

clean:
	@echo cleaning
	@rm -f dwm ${OBJ} dwm-${VERSION}.tar.gz

dist: clean
	@echo creating dist tarball
	@mkdir -p dwm-${VERSION}
	@cp -R LICENSE Makefile README config.def.h config.mk \
		dwm.1 ${SRC} dwm-${VERSION}
	@tar -cf dwm-${VERSION}.tar dwm-${VERSION}
	@gzip dwm-${VERSION}.tar
	@rm -rf dwm-${VERSION}

install: all
	@echo installing executable file to ${DESTDIR}${PREFIX}/bin
	@mkdir -p ${DESTDIR}${PREFIX}/bin
	@cp -f dwm ${DESTDIR}${PREFIX}/bin
	@chmod 755 ${DESTDIR}${PREFIX}/bin/dwm
	@echo installing manual page to ${DESTDIR}${MANPREFIX}/man1
	@mkdir -p ${DESTDIR}${MANPREFIX}/man1
	@sed "s/VERSION/${VERSION}/g" < dwm.1 > ${DESTDIR}${MANPREFIX}/man1/dwm.1
	@chmod 644 ${DESTDIR}${MANPREFIX}/man1/dwm.1

uninstall:
	@echo removing executable file from ${DESTDIR}${PREFIX}/bin
	@rm -f ${DESTDIR}${PREFIX}/bin/dwm
	@echo removing manual page from ${DESTDIR}${MANPREFIX}/man1
	@rm -f ${DESTDIR}${MANPREFIX}/man1/dwm.1

.PHONY: all options clean dist install uninstall
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<a href='https://github.com/akkartik/mu/blob/master/apps/factorial3.subx'>https://github.com/akkartik/mu/blob/master/apps/factorial3.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment">## compute the factorial of 5, and return the result in the exit code</span>
<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># Uses syntax sugar for:</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment">#   rm32 operands</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment">#   function calls</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment">#</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># To run:</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxComment">#   $ ./translate_subx init.linux 0*.subx apps/factorial.subx -o apps/factorial</span>
<span id="L9" class="LineNr"> 9 </span><span class="subxComment">#   $ ./bootstrap run apps/factorial</span>
<span id="L10" class="LineNr">10 </span><span class="subxComment"># Expected result:</span>
<span id="L11" class="LineNr">11 </span><span class="subxComment">#   $ echo $?</span>
<span id="L12" class="LineNr">12 </span><span class="subxComment">#   120</span>
<span id="L13" class="LineNr">13 </span><span class="subxComment">#</span>
<span id="L14" class="LineNr">14 </span><span class="subxComment"># You can also run the automated test suite:</span>
<span id="L15" class="LineNr">15 </span><span class="subxComment">#   $ ./bootstrap run apps/factorial test</span>
<span id="L16" class="LineNr">16 </span><span class="subxComment"># Expected output:</span>
<span id="L17" class="LineNr">17 </span><span class="subxComment">#   ........</span>
<span id="L18" class="LineNr">18 </span><span class="subxComment"># Every '.' indicates a passing test. Failing tests get a 'F'.</span>
<span id="L19" class="LineNr">19 </span><span class="subxComment">#</span>
<span id="L20" class="LineNr">20 </span><span class="subxComment"># Compare apps/factorial2.subx</span>
<span id="L21" class="LineNr">21 </span>
<span id="L22" class="LineNr">22 </span>== code
<span id="L23" class="LineNr">23 </span>
<span id="L24" class="LineNr">24 </span><span class="subxFunction">factorial</span>:  <span class="subxComment"># n: int -&gt; _/eax: int</span>
<span id="L25" class="LineNr">25 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L26" class="LineNr">26 </span>    55/push-ebp
<span id="L27" class="LineNr">27 </span>    89/&lt;- %ebp 4/r32/esp
<span id="L28" class="LineNr">28 </span>    <span class="subxComment"># save registers</span>
<span id="L29" class="LineNr">29 </span>    51/push-ecx
<span id="L30" class="LineNr">30 </span>    <span class="subxComment"># if (n &lt;= 1) return 1</span>
<span id="L31" class="LineNr">31 </span>    b8/copy-to-eax 1/imm32
<span id="L32" class="LineNr">32 </span>    81 7/subop/compare *(ebp+8) 1/imm32
<span id="L33" class="LineNr">33 </span>    7e/jump-if-&lt;= $factorial:end/disp8
<span id="L34" class="LineNr">34 </span>    <span class="subxComment"># n &gt; 1; return n * factorial(n-1)</span>
<span id="L35" class="LineNr">35 </span>    8b/-&gt; *(ebp+8) 1/r32/ecx
<span id="L36" class="LineNr">36 </span>    49/decrement-ecx
<span id="L37" class="LineNr">37 </span>    (<a href='factorial3.subx.html#L24'>factorial</a> %ecx)  <span class="subxComment"># =&gt; eax</span>
<span id="L38" class="LineNr">38 </span>    f7 4/subop/multiply-into-eax *(ebp+8)
<span id="L39" class="LineNr">39 </span>    <span class="subxComment"># TODO: check for overflow</span>
<span id="L40" class="LineNr">40 </span><span class="Constant">$factorial:end</span>:
<span id="L41" class="LineNr">41 </span>    <span class="subxComment"># restore registers</span>
<span id="L42" class="LineNr">42 </span>    59/pop-to-ecx
<span id="L43" class="LineNr">43 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L44" class="LineNr">44 </span>    89/&lt;- %esp 5/r32/ebp
<span id="L45" class="LineNr">45 </span>    5d/pop-to-ebp
<span id="L46" class="LineNr">46 </span>    c3/return
<span id="L47" class="LineNr">47 </span>
<span id="L48" class="LineNr">48 </span><span class="subxTest">test-factorial</span>:
<span id="L49" class="LineNr">49 </span>    (<a href='factorial3.subx.html#L24'>factorial</a> 5)
<span id="L50" class="LineNr">50 </span>    (<a href='../102test.subx.html#L23'>check-ints-equal</a> %eax 0x78 <span class="Constant">&quot;F - test-factorial&quot;</span>)
<span id="L51" class="LineNr">51 </span>    c3/return
<span id="L52" class="LineNr">52 </span>
<span id="L53" class="LineNr">53 </span><span class="SpecialChar">Entry</span>:  <span class="subxComment"># run tests if necessary, compute `factorial(5)` if not</span>
<span id="L54" class="LineNr">54 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L55" class="LineNr">55 </span>    89/&lt;- %ebp 4/r32/esp
<span id="L56" class="LineNr">56 </span>
<span id="L57" class="LineNr">57 </span>    <span class="subxComment"># initialize heap (needed by tests elsewhere)</span>
<span id="L58" class="LineNr">58 </span>    (<a href='../104new-segment.subx.html#L40'>new-segment</a> *<span class="SpecialChar"><a href='../120allocate.subx.html#L34'>Heap-size</a></span> <span class="SpecialChar"><a href='../120allocate.subx.html#L27'>Heap</a></span>)
<span id="L59" class="LineNr">59 </span>
<span id="L60" class="LineNr">60 </span>    <span class="subxComment"># if (argc &lt;= 1) return factorial(5)</span>
<span id="L61" class="LineNr">61 </span>    81 7/subop/compare *ebp 1/imm32
<span id="L62" class="LineNr">62 </span>    7f/jump-if-&gt; $main:run-tests/disp8
<span id="L63" class="LineNr">63 </span>    (<a href='factorial3.subx.html#L24'>factorial</a> 5)  <span class="subxComment"># =&gt; eax</span>
<span id="L64" class="LineNr">64 </span>    89/&lt;- %ebx 0/r32/eax
<span id="L65" class="LineNr">65 </span>    eb/jump $main:end/disp8
<span id="L66" class="LineNr">66 </span><span class="Constant">$main:run-tests</span>:
<span id="L67" class="LineNr">67 </span>    <span class="subxComment"># otherwise if first arg is &quot;test&quot;, then return run_tests()</span>
<span id="L68" class="LineNr">68 </span>    <span class="subxComment"># if (!kernel-string-equal?(argv[1], &quot;test&quot;)) goto do-nothing</span>
<span id="L69" class="LineNr">69 </span>    (<a href='../103kernel-string-equal.subx.html#L31'>kernel-string-equal?</a> *(ebp+8) <span class="Constant">&quot;test&quot;</span>)  <span class="subxComment"># =&gt; eax</span>
<span id="L70" class="LineNr">70 </span>    3d/compare-eax-and 0/imm32/false
<span id="L71" class="LineNr">71 </span>    74/jump-if-= $main:do-nothing/disp8
<span id="L72" class="LineNr">72 </span>    <span class="subxComment">#</span>
<span id="L73" class="LineNr">73 </span>    (run-tests)
<span id="L74" class="LineNr">74 </span>    <span class="subxComment"># exit(*Num-test-failures)</span>
<span id="L75" class="LineNr">75 </span>    8b/-&gt; *<span class="SpecialChar"><a href='../102test.subx.html#L89'>Num-test-failures</a></span> 3/r32/ebx
<span id="L76" class="LineNr">76 </span>    eb/jump $main:end/disp8
<span id="L77" class="LineNr">77 </span><span class="Constant">$main:do-nothing</span>:
<span id="L78" class="LineNr">78 </span>    bb/copy-to-ebx 0/imm32
<span id="L79" class="LineNr">79 </span><span class="Constant">$main:end</span>:
<span id="L80" class="LineNr">80 </span>    e8/call  syscall_exit/disp32
</pre>
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