svn commit: r322418 - head/lib/msun/src

[Ian Lepore]

On Fri, 2017-08-11 at 22:41 +0000, Ryan Libby wrote:
> Author: rlibby
> Date: Fri Aug 11 22:41:24 2017
> New Revision: 322418
> URL: https://svnweb.freebsd.org/changeset/base/322418
> 
> Log:
>   lib/msun: avoid referring to broken LDBL_MAX
>   
>   LDBL_MAX is broken on i386:
>   https://lists.freebsd.org/pipermail/freebsd-numerics/2012-September
> /000288.html
>   
>   Gcc has produced +Infinity for LDBL_MAX on i386 and amd64 with -m32
>   for some time, and newer versions of gcc are now warning that the
>   "floating constant exceeds range of 'long double'".  Avoid this by
>   referring to half the value of LDBL_MAX instead.
>   
>   Reviewed by:	bde
>   Approved by:	markj (mentor)
>   Sponsored by:	Dell EMC Isilon
> 

I now get this error when building toolchain for sparc:

cc -isystem /b/staging/freebsd/head/obj/sparc64.sparc64/b/staging/freebsd/head/src/tmp/usr/include -L/b/staging/freebsd/head/obj/sparc64.spar
c64/b/staging/freebsd/head/src/tmp/usr/lib -B/b/staging/freebsd/head/obj/sparc64.sparc64/b/staging/freebsd/head/src/tmp/usr/lib --sysroot=/b/
staging/freebsd/head/obj/sparc64.sparc64/b/staging/freebsd/head/src/tmp -B/b/staging/freebsd/head/obj/sparc64.sparc64/b/staging/freebsd/head/
src/tmp/usr/bin -fPIC -DPIC -g -O2 -pipe -I/b/staging/freebsd/head/src/lib/msun/ld128 -I/b/staging/freebsd/head/src/lib/msun/sparc64 -I/b/sta
ging/freebsd/head/src/lib/msun/src -I/b/staging/freebsd/head/src/lib/libc/include  -I/b/staging/freebsd/head/src/lib/libc/sparc64   -MD  -MF.
depend.catrigl.pico -MTcatrigl.pico -std=gnu99 -fstack-protector-strong -Wsystem-headers -Werror -Wno-pointer-sign -Wno-unknown-pragmas     -
c /b/staging/freebsd/head/src/lib/msun/src/catrigl.c -o catrigl.pico
/b/staging/freebsd/head/src/lib/msun/src/catrigl.c:310:1: error: pasting "0x0.8p" and "(" does not give a valid preprocessing token
/b/staging/freebsd/head/src/lib/msun/src/catrigl.c:310:1: error: exponent has no digits
/b/staging/freebsd/head/src/lib/msun/src/catrigl.c:310:1: error: pasting ")" and "L" does not give a valid preprocessing token
/b/staging/freebsd/head/src/lib/msun/src/catrigl.c: In function 'clog_for_large_values':
/b/staging/freebsd/head/src/lib/msun/src/catrigl.c:310: error: expected ')' before 'L'
*** [catrigl.pico] Error code 1