Thanks.<div><br></div><div>This seems to work:</div><div><br></div><div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>set_property( TARGET foo APPEND_STRING PROPERTY</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>COMPILE_FLAGS "/ZI "</div>
<div><span class="Apple-tab-span" style="white-space:pre"> </span>)</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>set_property( TARGET foo APPEND_STRING PROPERTY</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>COMPILE_FLAGS "/W4 "</div>
<div><span class="Apple-tab-span" style="white-space:pre"> </span>)</div><div><br></div><div>Just make sure you have a space at the end of each one, so that when the strings are appended, there is a space between each compiler flag.</div>
<div><br></div><div>---------</div>Robert Dailey<br>
<br><br><div class="gmail_quote">On Mon, Feb 6, 2012 at 4:13 PM, <span dir="ltr"><<a href="mailto:aaron.meadows@thomsonreuters.com">aaron.meadows@thomsonreuters.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">I believe that is the defined behavior. Usually, people would use add_definitions() to add the flags before creating the target. If you have one target per subdirectory, you don’t have to worry about removing them afterwards:<u></u><u></u></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">CMakeLists.txt:<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> add_definitions(/foo)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> add_subdirectory(baz)<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> add_subdirectory(qux)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">baz/CMakeLists.txt<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> add_definitions(/bar)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> add_executable(baz baz.cpp)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">qux/CMakeLists.txt<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> add_executable(qux qux.cpp)<u></u><u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">baz gets the compiler flags “/foo /bar”, qux only gets “/foo”.<u></u><u></u></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">As an aside, I ran into a similar issue, but with Linker Flags in the cache. To overcome that, I wrote a few functions to encapsulate the writing of flags and handle checking for duplicates. You could certainly do something similar with properties:<u></u><u></u></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">############################################################<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">## Cache Set Helper Functions<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">############################################################<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">function(AppendIfMissing _outVar _inVar _value)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> string(REGEX REPLACE " " ";" _inList "${${_inVar}}")<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> list(FIND _inList "${_value}" _pos)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> if(${_pos} EQUAL -1)<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> set(${_outVar} "${${_inVar}} ${_value}" PARENT_SCOPE)<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> else()<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> set(${_outVar} "${${_inVar}}" PARENT_SCOPE)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> endif()<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">endfunction(AppendIfMissing)<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">function(CheckAndAppendCacheForce _varName _value _type )<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> AppendIfMissing(_outvar ${_varName} ${_value})<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> foreach(_arg IN LISTS ARGN)<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> set(_desc "${_desc} ${_arg}")<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> endforeach()<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> set(${_varName} "${_outvar}" CACHE ${_type} "${_desc}" FORCE)<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">endfunction(CheckAndAppendCacheForce)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">function(CheckAndAppendCache _varName _value _type )<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> AppendIfMissing(_outvar ${_varName} ${_value})<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> foreach(_arg IN LISTS ARGN)<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> set(_desc "${_desc} ${_arg}")<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> endforeach()<u></u><u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"> set(${_varName} "${_outvar}" CACHE ${_type} "${_desc}")<u></u><u></u></span></b></p>
<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f">endfunction(CheckAndAppendCache)<u></u><u></u></span></b></p><p class="MsoNormal">
<b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#666666">Aaron Meadows</span></b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#666666"><u></u><u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7f7f7f"><u></u> <u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:cmake-bounces@cmake.org" target="_blank">cmake-bounces@cmake.org</a> [mailto:<a href="mailto:cmake-bounces@cmake.org" target="_blank">cmake-bounces@cmake.org</a>] <b>On Behalf Of </b>Robert Dailey<br>
<b>Sent:</b> Monday, February 06, 2012 3:58 PM<br><b>To:</b> CMake ML<br><b>Subject:</b> [CMake] COMPILE_FLAGS property that appends instead of replaces<u></u><u></u></span></p><div class="im"><p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I would like to set the COMPILE_FLAGS property multiple times on the same target through set_target_properties(), however only the last call seems to persist. Previous flags set get overridden. Is this the correct behavior? If so, is there a way to make this property append instead of replace on the same target?<br clear="all">
<u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">---------<u></u><u></u></p></div><p class="MsoNormal">Robert Dailey<u></u><u></u></p></div></div></div><br>
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