bug#25633: porting gzip to Visual Studio 2015 failed due to redesign of CRT

2017-02-08 Thread Kees Dekker
>> 1. frexp.c is not needed, as Visual Studio already provides frexp() >> function via system libraries. >But probably with bugs. And even if it is not needed on your platform, >it is part of the tarball to replace broken frexp() on systems where it >is buggy. Part of configure determines

bug#25633: porting gzip to Visual Studio 2015 failed due to redesign of CRT

2017-02-08 Thread Bruno Haible
Hi Kees, > 1. frexp.c is not needed, as Visual Studio already provides frexp() > function via system libraries. The configure log says: checking whether frexp works... guessing no ... checking whether frexpl works... guessing no Why "guessing"? Apparently AC_RUN_IFELSE refuses to run the t

bug#25633: porting gzip to Visual Studio 2015 failed due to redesign of CRT

2017-02-08 Thread Kees Dekker
Hi Bruno, Thanks for reply. >> 1. frexp.c is not needed, as Visual Studio already provides frexp() >> function via system libraries. ... >Do you have data that shows that MSVC14's frexp() behaves better than the one >in MSVC 9? Do you have advice how I can check this quickly? Visual Stu