<html><head><style>body{font-family:Merriweather,Arial;font-size:13px}</style></head><body><div style="font-family:Merriweather,Arial;font-size:13px; color: rgba(51,51,51,1.0); ">Hello, </div><div style="font-family:Merriweather,Arial;font-size:13px; color: rgba(51,51,51,1.0); "><br></div><div style="font-family:Merriweather,Arial;font-size:13px; color: rgba(51,51,51,1.0); ">Tryign to compile a project that built correctly since now. I guess something changed on my system, and now I’m getting this error: </div><div style="font-family:Merriweather,Arial;font-size:13px; color: rgba(51,51,51,1.0); "><br></div><div style="font-family:Merriweather,Arial;font-size:13px; color: rgba(51,51,51,1.0); "><div style="margin: 0px;">Scanning dependencies of target Mercurve</div><div style="margin: 0px;">/Applications/Xcode.app/Contents/Developer/usr/bin/make -f src/libs/CMakeFiles/Mercurve.dir/build.make src/libs/CMakeFiles/Mercurve.dir/build</div><div style="margin: 0px;">[ 4%] Building CXX object src/libs/CMakeFiles/Mercurve.dir/BlockMerger.cxx.o</div><div style="margin: 0px;">cd /Users/rubendibattista/git/x/Mercurve/build/src/libs && /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -DMercurve_EXPORTS -I/Users/rubendibattista/git/x/Mercurve/src/libs -isystem /opt/local/include/vtk-8.1 -isystem /opt/local/include -isystem /opt/local/include/mpich-mp -isystem /opt/local/include/libxml2 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -mmacosx-version-min=10.14 -fPIC -std=gnu++11 -o CMakeFiles/Mercurve.dir/BlockMerger.cxx.o -c /Users/rubendibattista/git/x/Mercurve/src/libs/BlockMerger.cxx</div><div style="margin: 0px;">In file included from /Users/rubendibattista/git/x/Mercurve/src/libs/BlockMerger.cxx:21:</div><div style="margin: 0px;">In file included from /Users/rubendibattista/git/x/Mercurve/src/libs/BlockMerger.h:28:</div><div style="margin: 0px;">In file included from /Users/rubendibattista/git/x/Mercurve/src/libs/types.h:25:</div><div style="margin: 0px;">In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/unordered_set:363:</div><div style="margin: 0px;">In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/__hash_table:19:</div><div style="margin: 0px;">/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:314:9: error: no member named 'signbit' in the global namespace</div><div style="margin: 0px;">using ::signbit;</div><div style="margin: 0px;"> ~~^</div><div style="margin: 0px;">/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:315:9: error: no member named 'fpclassify' in the global namespace</div><div style="margin: 0px;">using ::fpclassify;</div><div style="margin: 0px;"> ~~^</div><div style="margin: 0px;">/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:316:9: error: no member named 'isfinite' in the global namespace</div></div><div><br></div>Something got messed up with Xcode update I guess. I also tried to downgrade Xcode without success. Does anyone have hints on how to solve this? In particular I’m not entirely sure that the `-isysroot` flag the cmake provides is correct anymore. Is that possible? <br><div class="gmail_signature"><pre><code> _
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