Fix missing EXTERN.h on macOS

leto / math--gsl

Perl interface to the GNU Scientific Library

http://leto.net/code/Math-GSL

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Fix missing EXTERN.h on macOS #214

Closed hakonhagland closed 4 years ago

hakonhagland commented 4 years ago

Fixes issue #207. The problem is discussed in this issue. For macOS with darwin version >=18 and also using the system perl (/usr/bin/perl) we should use -iwithsysroot instead of -I to include the perl CORE directory. This seems to fixed for ExtUtils::MakeMaker but we are not using that module for building.

leto commented 4 years ago

@hakonhagland you just earned a merit badge! And now you see why Apple causes so much work for downstream packages :smile: