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0001 <!DOCTYPE html> 0002 <html><head> 0003 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> 0004 <title>Makefile</title> 0005 <meta name="generator" content="KF5::SyntaxHighlighting - Definition (Makefile) - Theme (Breeze Dark)"/> 0006 </head><body style="background-color:#232629;color:#cfcfc2"><pre> 0007 <span style="color:#7a7c7d"># comment</span> 0008 0009 <span style="font-weight:bold">include</span> Makefile.in 0010 <span style="font-weight:bold">-include</span> Makefile.doesntexist 0011 0012 <span style="color:#27ae60;font-weight:bold">.PHONY:</span><span style="color:#2980b9"> all</span> 0013 0014 <span style="color:#f67400">all</span><span style="color:#f67400">:</span><span style="color:#2980b9"> target</span> 0015 0016 <span style="color:#2980b9">foo</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> bar </span><span style="color:#3daee9">$(</span><span style="color:#2980b9">var</span><span style="color:#3daee9">)</span><span style="color:#f44f4f"> </span><span style="color:#3daee9">\</span> 0017 <span style="color:#f44f4f"> </span><span style="color:#3daee9">$(</span><span style="color:#2980b9">baz</span><span style="color:#3daee9">)</span><span style="color:#f44f4f"> quux</span> 0018 0019 <span style="color:#fdbc4b;font-weight:bold">ifeq</span> (<span style="color:#3daee9">$(</span><span style="color:#2980b9">CC</span><span style="color:#3daee9">)</span>,gcc) 0020 <span style="color:#2980b9">bla</span><span style="color:#3daee9">=$(</span><span style="font-weight:bold">call</span><span style="color:#f44f4f"> func</span><span style="font-weight:bold">,</span><span style="color:#f44f4f">param1</span><span style="font-weight:bold">,</span><span style="color:#f44f4f">param2</span><span style="color:#3daee9">)</span> 0021 <span style="color:#fdbc4b;font-weight:bold">else</span> <span style="color:#fdbc4b;font-weight:bold">ifeq</span> <span style="color:#f44f4f">"x"</span> <span style="color:#f44f4f">"y"</span> 0022 <span style="color:#3daee9">$(</span><span style="font-weight:bold">error</span><span style="color:#f44f4f"> this seems wrong</span><span style="color:#3daee9">)</span> 0023 <span style="color:#fdbc4b;font-weight:bold">else</span> 0024 <span style="color:#2980b9">libs</span><span style="color:#3daee9">=$(</span><span style="color:#2980b9">normal_libs</span><span style="color:#3daee9">)</span> 0025 <span style="color:#fdbc4b;font-weight:bold">endif</span> 0026 0027 <span style="color:#f67400">target1</span><span style="color:#f67400">:</span> 0028 <span style="color:#da4453;text-decoration:underline"> </span>error 0029 0030 <span style="color:#f67400">target2</span><span style="color:#f67400">:</span><span style="color:#2980b9"> bla.cpp </span><span style="color:#3daee9">$@</span> 0031 <span style="color:#3daee9">$(</span><span style="color:#2980b9">CC</span><span style="color:#3daee9">)</span> bla.c -o bla.o 0032 <span style="color:#3daee9">$(</span><span style="color:#2980b9">CC</span><span style="color:#3daee9">)</span> bla.o <span style="color:#3daee9">$<</span> <span style="color:#3daee9">\</span> 0033 <span style="color:#3daee9">-</span><span style="color:#8e44ad">o bla.exe</span> 0034 <span style="color:#3daee9">@</span><span style="color:#8e44ad">echo </span><span style="color:#f44f4f">"hello"</span><span style="color:#8e44ad"> </span><span style="color:#3daee9">\</span> 0035 <span style="color:#8e44ad"> bla bla</span> 0036 echo <span style="color:#f44f4f">"hello"</span> <span style="color:#3daee9">\</span> 0037 bla bla 0038 0039 <span style="color:#f67400">target3</span><span style="color:#f67400">:</span><span style="color:#2980b9"> </span><span style="color:#3daee9">;</span> <span style="color:#3daee9">@</span><span style="color:#8e44ad">echo ’hello </span><span style="color:#3daee9">\</span> 0040 <span style="color:#8e44ad">world’ ; echo </span><span style="color:#f44f4f">"hello </span><span style="color:#3daee9">\</span> 0041 <span style="color:#f44f4f">world"</span> 0042 <span style="color:#3daee9">@</span><span style="color:#8e44ad">echo </span><span style="color:#f44f4f">"hello"</span> 0043 0044 <span style="color:#f67400">target4</span><span style="color:#f67400">:</span><span style="color:#2980b9"> </span><span style="color:#3daee9">;</span> echo ’hello <span style="color:#3daee9">\</span> 0045 world’ ; echo <span style="color:#f44f4f">"hello </span><span style="color:#3daee9">\</span> 0046 <span style="color:#f44f4f">world"</span> 0047 echo <span style="color:#f44f4f">"hello"</span> 0048 0049 <span style="color:#f67400">target5 </span><span style="color:#3daee9">\</span> 0050 <span style="color:#f67400">target6 </span><span style="color:#3daee9">\</span> 0051 <span style="color:#f67400">target7 </span><span style="color:#f67400">&::</span> 0052 <span style="color:#3daee9">@</span><span style="color:#8e44ad">echo </span><span style="color:#f44f4f">"hello"</span> 0053 <span style="color:#7a7c7d"># this should not break the rule</span> 0054 <span style="color:#7a7c7d"># ifndef is a command</span> 0055 ifndef 0056 0057 <span style="color:#7a7c7d"># String Substitution</span> 0058 <span style="color:#2980b9">VAR</span> <span style="color:#3daee9">:=</span><span style="color:#f44f4f"> </span><span style="color:#3daee9">$(</span><span style="color:#2980b9">ANOTHER_VAR</span><span style="font-weight:bold">:</span><span style="color:#da4453">%</span><span style="font-weight:bold">=</span><span style="color:#da4453">%+1</span><span style="color:#3daee9">)</span> 0059 0060 <span style="color:#7a7c7d"># Variable Assignment</span> 0061 <span style="color:#2980b9">RELAXED</span> <span style="color:#3daee9">::=</span><span style="color:#f44f4f"> mello</span> 0062 <span style="color:#2980b9">rempl</span> <span style="color:#3daee9">:=</span><span style="color:#f44f4f"> x</span> 0063 <span style="color:#2980b9">foo</span> <span style="color:#3daee9">:=</span><span style="color:#f44f4f"> a b c</span> 0064 <span style="color:#2980b9">bar</span> <span style="color:#3daee9">:=</span><span style="color:#f44f4f"> foo</span> 0065 <span style="color:#2980b9">hello</span> <span style="color:#3daee9">:=</span><span style="color:#f44f4f"> </span><span style="color:#3daee9">$($(</span><span style="color:#2980b9">bar</span><span style="color:#3daee9">)</span><span style="font-weight:bold">:</span><span style="color:#da4453">a</span><span style="font-weight:bold">=</span><span style="color:#3daee9">$(</span><span style="color:#2980b9">rempl</span><span style="color:#3daee9">))</span> 0066 <span style="color:#2980b9">my??var</span><span style="color:#3daee9">=</span><span style="color:#f44f4f">value</span> 0067 <span style="color:#2980b9">var?</span><span style="color:#3daee9">?=</span><span style="color:#f44f4f">value</span> 0068 <span style="color:#2980b9">var</span><span style="color:#3daee9">?=</span><span style="color:#f44f4f">value</span> 0069 <span style="color:#2980b9">var?</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> value</span> 0070 <span style="color:#2980b9">var</span> <span style="color:#3daee9">:::=</span><span style="color:#f44f4f"> value</span> 0071 <span style="color:#2980b9">var</span> <span style="color:#3daee9">::=</span><span style="color:#f44f4f"> value</span> 0072 <span style="color:#2980b9">var</span> <span style="color:#3daee9">+=</span><span style="color:#f44f4f"> value</span> 0073 <span style="color:#2980b9">var</span> <span style="color:#3daee9">!=</span><span style="color:#f44f4f"> value</span> 0074 <span style="color:#2980b9">var</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> value\#nocomment</span> 0075 <span style="color:#2980b9">var</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> value</span><span style="color:#7a7c7d">#comment</span> 0076 <span style="color:#2980b9">var</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> value;value2</span> 0077 <span style="font-weight:bold">override</span> <span style="color:#2980b9">var </span><span style="color:#3daee9">=</span><span style="color:#f44f4f"> a</span> 0078 0079 <span style="font-weight:bold">define</span> <span style="color:#2980b9">var</span> <span style="color:#3daee9">:::=</span> 0080 <span style="color:#f44f4f">bar</span> 0081 <span style="font-weight:bold">endef</span> 0082 0083 <span style="font-weight:bold">override</span> <span style="font-weight:bold">define</span> <span style="color:#2980b9">var</span> <span style="color:#3daee9">:::=</span> 0084 <span style="color:#f44f4f">bar</span> 0085 <span style="font-weight:bold">endef</span> 0086 0087 <span style="font-weight:bold">undefine</span><span style="color:#2980b9"> var</span> 0088 <span style="font-weight:bold">override</span> <span style="font-weight:bold">undefine</span><span style="color:#2980b9"> var</span> 0089 0090 <span style="font-weight:bold">export</span><span style="color:#2980b9"> foo bar</span> 0091 <span style="font-weight:bold">export</span><span style="color:#2980b9"> foo </span><span style="color:#3daee9">=</span><span style="color:#f44f4f"> bar</span> 0092 <span style="font-weight:bold">unexport</span><span style="color:#2980b9"> foo bar</span> 0093 0094 <span style="color:#f67400">prog</span><span style="color:#f67400">:</span><span style="color:#2980b9"> </span><span style="font-weight:bold">private</span><span style="color:#2980b9"> EXTRA_CFLAGS </span><span style="color:#3daee9">=</span><span style="color:#f44f4f"> -L/usr/local/lib</span> 0095 <span style="color:#f67400">prog</span><span style="color:#f67400">:</span><span style="color:#2980b9"> </span><span style="color:#2980b9">CFLAGS</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> -g</span> 0096 <span style="color:#f67400">prog</span><span style="color:#f67400">:</span><span style="color:#2980b9"> a.o b.o</span> 0097 0098 <span style="color:#7a7c7d"># Conditionals</span> 0099 <span style="color:#2980b9">bar</span> <span style="color:#3daee9">=</span> 0100 <span style="color:#2980b9">foo</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> </span><span style="color:#3daee9">$(</span><span style="color:#2980b9">bar</span><span style="color:#3daee9">)</span> 0101 <span style="color:#fdbc4b;font-weight:bold">ifdef</span> bar 0102 <span style="color:#2980b9">frobozz</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> yes</span> 0103 <span style="color:#fdbc4b;font-weight:bold">else</span> <span style="color:#fdbc4b;font-weight:bold">ifdef</span> foo 0104 <span style="color:#2980b9">frobozz</span> <span style="color:#3daee9">=</span><span style="color:#f44f4f"> no</span> 0105 <span style="color:#fdbc4b;font-weight:bold">endif</span> 0106 0107 <span style="color:#2980b9">error_type</span> <span style="color:#3daee9">:=</span><span style="color:#f44f4f"> 0</span> 0108 <span style="color:#f67400">check</span><span style="color:#f67400">:</span> 0109 <span style="color:#fdbc4b;font-weight:bold">ifeq</span> (<span style="color:#3daee9">$(</span><span style="color:#2980b9">error_type</span><span style="color:#3daee9">)</span>,0) 0110 <span style="color:#fdbc4b;font-weight:bold">else</span> <span style="color:#fdbc4b;font-weight:bold">ifeq</span> (<span style="color:#3daee9">$(</span><span style="color:#2980b9">error_type</span><span style="color:#3daee9">)</span>,1) 0111 <span style="color:#fdbc4b;font-weight:bold">else</span> <span style="color:#fdbc4b;font-weight:bold">ifeq</span> (<span style="color:#3daee9">$(</span><span style="color:#2980b9">error_type</span><span style="color:#3daee9">)</span>,2) 0112 <span style="color:#fdbc4b;font-weight:bold">else</span> <span style="color:#fdbc4b;font-weight:bold">ifeq</span> (<span style="color:#3daee9">$(</span><span style="color:#2980b9">error_type</span><span style="color:#3daee9">)</span>,3) 0113 <span style="color:#fdbc4b;font-weight:bold">endif</span> 0114 0115 <span style="color:#3daee9">$(</span><span style="font-weight:bold">info</span><span style="color:#f44f4f"> </span><span style="color:#f44f4f">"'"</span><span style="color:#3daee9">)</span> 0116 <span style="color:#3daee9">$(</span><span style="font-weight:bold">info</span><span style="color:#f44f4f"> </span><span style="color:#f44f4f">'"'</span><span style="color:#3daee9">)</span> 0117 <span style="color:#3daee9">$(</span><span style="font-weight:bold">info</span><span style="color:#f44f4f"> </span><span style="color:#3daee9">$(</span><span style="color:#2980b9">??</span><span style="color:#3daee9">))</span> 0118 0119 <span style="color:#3daee9">$(</span><span style="font-weight:bold">eval</span><span style="color:#f44f4f"> </span><span style="color:#3daee9">$(</span><span style="font-weight:bold">call</span><span style="color:#f44f4f"> Variable_rule</span><span style="font-weight:bold">,</span><span style="color:#f44f4f">target/compile_flags</span><span style="font-weight:bold">,</span><span style="color:#3daee9">$$</span><span style="color:#f44f4f">{CXX} </span><span style="color:#3daee9">$$</span><span style="color:#f44f4f">(CXXFLAGS)</span><span style="color:#3daee9">))</span> 0120 <span style="color:#3daee9">$(</span><span style="font-weight:bold">eval</span><span style="color:#f44f4f"> </span><span style="color:#3daee9">${</span><span style="font-weight:bold">call</span><span style="color:#f44f4f"> Variable_rule</span><span style="font-weight:bold">,</span><span style="color:#f44f4f">target/link_flags</span><span style="font-weight:bold">,</span><span style="color:#3daee9">$$</span><span style="color:#f44f4f">(CXX) </span><span style="color:#3daee9">$$</span><span style="color:#f44f4f">(LDFLAGS) </span><span style="color:#3daee9">$$</span><span style="color:#f44f4f">{LDLIBS}</span><span style="color:#3daee9">})</span> 0121 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