Add note about __EXTENSIONS__ to README (illumos)

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Christopher Wellons 2019-04-04 21:44:44 -04:00
parent 8347377bb7
commit 38e35ad4c9

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@ -103,5 +103,8 @@ to remove GCC-specific options. For example, on Solaris:
make CFLAGS=-fast LDFLAGS= LDLIBS='-lnsl -lrt -lsocket'
The feature test macros on these systems isn't reliable, so you may also
need to use `-D__EXTENSIONS__` in `CFLAGS`.
[np]: https://nullprogram.com/blog/2019/03/22/