Since clang 16 (and gcc 11) the default C++ standard is now gnu++17.
Because graphics/libfreehand's configure scripts and Makefiles do not
explicitly set the C++ standard, this leads to several errors:
In file included from FreeHandDocument.cpp:14:
In file included from ./FHParser.h:15:
/usr/local/include/lcms2.h:1291:44: error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
typedef cmsInt32Number (* cmsSAMPLER16) (CMSREGISTER const cmsUInt16Number In[],
^~~~~~~~~~~~
/usr/local/include/lcms2.h:158:23: note: expanded from macro 'CMSREGISTER'
# define CMSREGISTER register
^
/usr/local/include/lcms2.h:1292:44: error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
CMSREGISTER cmsUInt16Number Out[],
^~~~~~~~~~~~
/usr/local/include/lcms2.h:158:23: note: expanded from macro 'CMSREGISTER'
# define CMSREGISTER register
^
/usr/local/include/lcms2.h:1293:44: error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
CMSREGISTER void * Cargo);
^~~~~~~~~~~~
/usr/local/include/lcms2.h:158:23: note: expanded from macro 'CMSREGISTER'
# define CMSREGISTER register
^
/usr/local/include/lcms2.h:1295:44: error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
typedef cmsInt32Number (* cmsSAMPLERFLOAT)(CMSREGISTER const cmsFloat32Number In[],
^~~~~~~~~~~~
/usr/local/include/lcms2.h:158:23: note: expanded from macro 'CMSREGISTER'
# define CMSREGISTER register
^
/usr/local/include/lcms2.h:1296:44: error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
CMSREGISTER cmsFloat32Number Out[],
^~~~~~~~~~~~
/usr/local/include/lcms2.h:158:23: note: expanded from macro 'CMSREGISTER'
# define CMSREGISTER register
^
/usr/local/include/lcms2.h:1297:44: error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
CMSREGISTER void * Cargo);
^~~~~~~~~~~~
/usr/local/include/lcms2.h:158:23: note: expanded from macro 'CMSREGISTER'
# define CMSREGISTER register
^
Add -D CMS_NO_REGISTER_KEYWORD to CPPFLAGS, to avoid lcms2.h using
register keywords in its declarations.
PR: 271421
Approved by: sunpoet (maintainer)
MFH: 2023Q2