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<p class="MsoNormal"><span style="font-size:11.0pt">Hi all<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">FYI - I have proposed that we make a clean break and treat LLVM Flang as a distinct new compiler from Classic Flang rather than as just a different version of Classic Flang.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I am proposing that LLVM Flang define:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">#define __flang__ 1
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">#define __flang_major__ "@LLVM_VERSION_MAJOR@"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">#define __flang_minor__ "@LLVM_VERSION_MINOR@"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">#define __flang_patchlevel__ "@LLVM_VERSION_PATCH@"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">#define __flang_version__ "@LLVM_VERSION_MAJOR@.@LLVM_VERSION_MINOR@.@LLVM_VERSION_PATCH@"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">rather than __FLANG.. (all caps) macros and remove __F18… macros.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Does anyone see an issue with this?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Ta<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Rich<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt">From:</span></b><span lang="EN-US" style="font-size:11.0pt"> flang-dev <flang-dev-bounces@lists.llvm.org>
<b>On Behalf Of </b>Steve Scalpone via flang-dev<br>
<b>Sent:</b> 23 July, 2020 01:01<br>
<b>To:</b> flang-dev@lists.llvm.org<br>
<b>Subject:</b> [flang-dev] Adding a predefined preprocessor symbol __FLANG.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">Vendors and users of classic flang may be interested in
<a href="https://reviews.llvm.org/D84334"><span style="color:windowtext;text-decoration:none">https://reviews.llvm.org/D84334</span></a>, which proposes replacing the predefined preprocessor macro __F18 with __FLANG. Classic flang also defines __FLANG.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">As proposed, conditionally compiled code will not be able to distinguish one flang compiler from the other.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">If you have an opinion, please contribute to the review.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt">- Steve<o:p></o:p></span></p>
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