geographiclib build fails towards end of install stage

[Rodeo314]

Doesn't seem to have any practical consequences on building lacfutils, but I figured it's noteworthy.

Making install in include
make[2]: Nothing to be done for `install-exec-am'.
 /usr/local/bin/gmkdir -p '/Volumes/SSDRIVE/XP.GIT.REPOS/git4github/totoritko/libacfutils/geographiclib/geographiclib-mac-64/include'
 /usr/local/bin/gmkdir -p '/Volumes/SSDRIVE/XP.GIT.REPOS/git4github/totoritko/libacfutils/geographiclib/geographiclib-mac-64/include/GeographicLib'
 /usr/local/bin/ginstall -c -m 644  ../../GeographicLib-1.51/include/GeographicLib/Accumulator.hpp ../../GeographicLib-1.51/include/GeographicLib/AlbersEqualArea.hpp ../../GeographicLib-1.51/include/GeographicLib/AzimuthalEquidistant.hpp ../../GeographicLib-1.51/include/GeographicLib/CassiniSoldner.hpp ../../GeographicLib-1.51/include/GeographicLib/CircularEngine.hpp ../../GeographicLib-1.51/include/GeographicLib/Constants.hpp ../../GeographicLib-1.51/include/GeographicLib/DMS.hpp ../../GeographicLib-1.51/include/GeographicLib/Ellipsoid.hpp ../../GeographicLib-1.51/include/GeographicLib/EllipticFunction.hpp ../../GeographicLib-1.51/include/GeographicLib/GARS.hpp ../../GeographicLib-1.51/include/GeographicLib/GeoCoords.hpp ../../GeographicLib-1.51/include/GeographicLib/Geocentric.hpp ../../GeographicLib-1.51/include/GeographicLib/Geodesic.hpp ../../GeographicLib-1.51/include/GeographicLib/GeodesicExact.hpp ../../GeographicLib-1.51/include/GeographicLib/GeodesicLine.hpp ../../GeographicLib-1.51/include/GeographicLib/GeodesicLineExact.hpp ../../GeographicLib-1.51/include/GeographicLib/Geohash.hpp ../../GeographicLib-1.51/include/GeographicLib/Geoid.hpp ../../GeographicLib-1.51/include/GeographicLib/Georef.hpp ../../GeographicLib-1.51/include/GeographicLib/Gnomonic.hpp ../../GeographicLib-1.51/include/GeographicLib/GravityCircle.hpp ../../GeographicLib-1.51/include/GeographicLib/GravityModel.hpp ../../GeographicLib-1.51/include/GeographicLib/LambertConformalConic.hpp ../../GeographicLib-1.51/include/GeographicLib/LocalCartesian.hpp ../../GeographicLib-1.51/include/GeographicLib/MGRS.hpp ../../GeographicLib-1.51/include/GeographicLib/MagneticCircle.hpp ../../GeographicLib-1.51/include/GeographicLib/MagneticModel.hpp ../../GeographicLib-1.51/include/GeographicLib/Math.hpp ../../GeographicLib-1.51/include/GeographicLib/NearestNeighbor.hpp ../../GeographicLib-1.51/include/GeographicLib/NormalGravity.hpp ../../GeographicLib-1.51/include/GeographicLib/OSGB.hpp ../../GeographicLib-1.51/include/GeographicLib/PolarStereographic.hpp ../../GeographicLib-1.51/include/GeographicLib/PolygonArea.hpp ../../GeographicLib-1.51/include/GeographicLib/Rhumb.hpp ../../GeographicLib-1.51/include/GeographicLib/SphericalEngine.hpp ../../GeographicLib-1.51/include/GeographicLib/SphericalHarmonic.hpp ../../GeographicLib-1.51/include/GeographicLib/SphericalHarmonic1.hpp ../../GeographicLib-1.51/include/GeographicLib/SphericalHarmonic2.hpp ../../GeographicLib-1.51/include/GeographicLib/TransverseMercator.hpp ../../GeographicLib-1.51/include/GeographicLib/TransverseMercatorExact.hpp '/Volumes/SSDRIVE/XP.GIT.REPOS/git4github/totoritko/libacfutils/geographiclib/geographiclib-mac-64/include/GeographicLib'
 /usr/local/bin/gmkdir -p '/Volumes/SSDRIVE/XP.GIT.REPOS/git4github/totoritko/libacfutils/geographiclib/geographiclib-mac-64/include/GeographicLib'
 /usr/local/bin/ginstall -c -m 644  ../../GeographicLib-1.51/include/GeographicLib/UTMUPS.hpp ../../GeographicLib-1.51/include/GeographicLib/Utility.hpp GeographicLib/Config.h '/Volumes/SSDRIVE/XP.GIT.REPOS/git4github/totoritko/libacfutils/geographiclib/geographiclib-mac-64/include/GeographicLib'
ginstall: 'GeographicLib/Config.h' and '/Volumes/SSDRIVE/XP.GIT.REPOS/git4github/totoritko/libacfutils/geographiclib/geographiclib-mac-64/include/GeographicLib/Config.h' are the same file
make[2]: *** [install-nobase_includeHEADERS] Error 1
make[1]: *** [install-am] Error 2
make: *** [install-recursive] Error 1