Attached patch should fix compilation of libgfortran on hppa1.1-hp-hpux10.20 (see PR60468: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60468), by adding a missing <math.h> header to the configure checks.
I’ve tested that it doesn’t break bootstrap on x86_64-apple-darwin, but not on hpux10. It seems safe enough to me to proceed first, and let John test in his next build of trunk (bootstrap on those machines probably isn’t fast). OK to commit? FX
hpux.diff
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hpux.ChangeLog
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