CVS commit: src/lib/libm

["Maya Rashish" <maya%netbsd.org@localhost>]

Module Name:    src
Committed By:   maya
Date:           Fri Feb 22 18:17:23 UTC 2019

Modified Files:
        src/lib/libm: Makefile

Log Message:
Default our libm to -frounding-math, if built with GCC.

The long-standing GCC default is to not respect rounding mode.
it looks like GCC 7 optimizes rint to a builtin, causing our few
rounding mode tests to fail.

Fixes PR port-amd64/54000: FP tests failing on amd64 since gcc7 import


To generate a diff of this commit:
cvs rdiff -u -r1.205 -r1.206 src/lib/libm/Makefile

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.