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guitorri richelbilderbeek eroen praecantatiolabs buckmole spetten nikolarobottesla suqingji biergaizi jchillebrand

fparser's Issues

fparser's install name is not set correctly on macOS

On macOS, running a build of openEMS installed to a custom location will fail. The RPATH for the custom location is not set correctly, only system directories are searched, as a result, fparser cannot be found.

gentoo@users-iMac-Pro ~/code/openEMS-Project/fparser $ ~/opt/bin/openEMS
dyld[90539]: Library not loaded: libfparser.4.dylib
  Referenced from: <1DD80732-F311-3B6A-B169-99DB48DE349B> /Users/gentoo/opt/bin/openEMS
  Reason: tried: 'libfparser.4.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OSlibfparser.4.dylib' (no such file), 'libfparser.4.dylib' (no such file), '/usr/local/lib/libfparser.4.dylib' (no such file), '/usr/lib/libfparser.4.dylib' (no such file, not in dyld cache), '/Users/gentoo/code/openEMS-Project/fparser/libfparser.4.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/Users/gentoo/code/openEMS-Project/fparser/libfparser.4.dylib' (no such file), '/Users/gentoo/code/openEMS-Project/fparser/libfparser.4.dylib' (no such file), '/usr/local/lib/libfparser.4.dylib' (no such file), '/usr/lib/libfparser.4.dylib' (no such file, not in dyld cache)
Abort trap: 6

Curiously, only fparser is affected, other libraries such as CSXCAD is not.

After some investigation, I found the root cause is that the "install name" of libfparser does not contain a full path, but CSXCAD's "install name" is an absolute path. Thus, CSXCAD can be found correctly using the absolute install path, but libfparser cannot. After CSXCAD and openEMS are built, this incomplete install name will propagate upwards, so all binaries will have a wrong search path for libfparser.

gentoo@users-iMac-Pro ~/code/openEMS-Project/CSXCAD/build $ otool -D ~/opt/lib/libCSXCAD.dylib
/Users/gentoo/opt/lib/libCSXCAD.dylib:
/Users/gentoo/opt/lib/libCSXCAD.0.dylib

gentoo@users-iMac-Pro ~/code/openEMS-Project/CSXCAD/build $ otool -D ~/opt/lib/libfparser.4.5.1.dylib
/Users/gentoo/opt/lib/libfparser.4.5.1.dylib:
libfparser.4.dylib

I'll submit a Pull Request to fix this problem.

Operator &

Your logical operators are & and |
Which is not usual, this can be easily modified
by hacking the code, but you really should put usual operators.

Apart from that, your lib is for me the best solution for c++
math and boolean expression parser !!!

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