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<p class="MsoNormal">Ok, Thanks! I guess I have to get better at reading error messages
<span style="font-family:"Apple Color Emoji"">☺</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Chuck Atkins <chuck.atkins@kitware.com><br>
<b>Date: </b>Monday, October 15, 2018 at 12:19 PM<br>
<b>To: </b>Rob Boehne <robb@datalogics.com><br>
<b>Cc: </b>CMake Mail List <cmake@cmake.org><br>
<b>Subject: </b>Re: [CMake] Building arguments to target_comple_definitions()<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hi Rob,<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">How would one set a variable containing multiple definitions to be passed to target_compile_definitions() ?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The example you gave works (adjusting for typos, PIC, and adding visibility specifier):<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">...</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">set(COMMON_DEFINITIONS SOME_DEFINE_1 SOME_DEFINE_2 SOME_DEFINE_3)<br>
...<br>
target_compile_definitions(CHUNK1 PRIVATE ${COMMON_DEFINITIONS} CHUNK1_STUFF CHUNK_NAME=\"One\")<br>
target_compile_definitions(CHUNK2 PRIVATE ${COMMON_DEFINITIONS} CHUNK2_STUFF CHUNK_NAME=\"Two\")<br>
target_compile_definitions(FooBar PRIVATE ${COMMON_DEFINITIONS})</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">...</span><o:p></o:p></p>
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<p class="MsoNormal">results in the following:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">...</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">/usr/bin/c++ -DCHUNK1_STUFF -DCHUNK_NAME=\"One\" -DSOME_DEFINE_1 -DSOME_DEFINE_2 -DSOME_DEFINE_3 -fPIC -o CMakeFiles/CHUNK1.dir/chunk_one.cpp.o -c /home/chuck/Code/tmp/source/chunk_one.cpp<br>
...</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">/usr/bin/c++ -DCHUNK2_STUFF -DCHUNK_NAME=\"Two\" -DSOME_DEFINE_1 -DSOME_DEFINE_2 -DSOME_DEFINE_3 -fPIC -o CMakeFiles/CHUNK2.dir/chunk_two.cpp.o -c /home/chuck/Code/tmp/source/chunk_two.cpp<br>
...</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">/usr/bin/c++ -DFooBar_EXPORTS -DSOME_DEFINE_1 -DSOME_DEFINE_2 -DSOME_DEFINE_3 -fPIC -o CMakeFiles/FooBar.dir/foobar.cpp.o -c /home/chuck/Code/tmp/source/foobar.cpp</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">...</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Here you can see the common definitions make it to all targets.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- Chuck<o:p></o:p></p>
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