I managed to fix it. I got confused because recently I updated Xcode, but in
facts the problem was completely unrelated: I had a project header file named
“math.h”. :) Very noob mistake! Interestingly enough, this bug does not pop-out
on Linux (using GCC).
So I just renamed “math.h” to a custom name, and now everything is back as
before (Ah, pay attention! Most of macOS systems have a case-insensitive
filesystem… I firstly renamed the file from “math.h” -> “Math.h”, but it didn’t
work either and it took a while to realize that on macOS “math.h” and “Math.h”
are the same if the FS is case-insensitive.
In any case thanks Juan for your help! :)
_
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,.,|∞∞
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-' `’
https://rdb.is
On 8 November 2019 at 17:36:08, Juan Sanchez (juan.e.sanc...@gmail.com) wrote:
I had an issue last week, where the isysroot setting was messed up, after I had
done an xcode update.
Even though I am using Mojave (10.14), instead of Catalina (10.15), xcode has
apparently upped the version number from 10.14 to 10.15.
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk
Creating a brand new build directory fixed the problem, since the cached
information concerning the compiler environment was invalid.
Regards,
Juan
On Fri, Nov 8, 2019 at 10:18 AM Ruben Di Battista
wrote:
Hello,
Tryign to compile a project that built correctly since now. I guess something
changed on my system, and now I’m getting this error:
Scanning dependencies of target Mercurve
/Applications/Xcode.app/Contents/Developer/usr/bin/make -f
src/libs/CMakeFiles/Mercurve.dir/build.make
src/libs/CMakeFiles/Mercurve.dir/build
[ 4%] Building CXX object src/libs/CMakeFiles/Mercurve.dir/BlockMerger.cxx.o
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
In file included from
/Users/rubendibattista/git/x/Mercurve/src/libs/BlockMerger.cxx:21:
In file included from
/Users/rubendibattista/git/x/Mercurve/src/libs/BlockMerger.h:28:
In file included from /Users/rubendibattista/git/x/Mercurve/src/libs/types.h:25:
In file included from
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/unordered_set:363:
In file included from
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/__hash_table:19:
/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
using ::signbit;
~~^
/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
using ::fpclassify;
~~^
/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
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?
_
-. .´ |
', ;|∞∞
˜˜ |∞ RdB
,.,|∞∞
.' '. |
-' `’
https://rdb.is
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