[Bug 222247] libmsun tests does not compile during a buildworld

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222247

            Bug ID: 222247
           Summary: libmsun tests does not compile during a buildworld
           Product: Base System
           Version: 11.1-STABLE
          Hardware: i386
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: bsdpr at phoe.frmug.org

When making a buildworld using base sources taken from the 11-stable branch
(svn r323423) on a 10-stable i386 host, the build procedure fails when making
libmsun test commands. There is no src.conf file, build is done as a
non-privileged user outside of /usr/src. 

Make is invoked as

Target=buildworld
MAKEOBJDIRPREFIX=`pwd`/../obj \
                make -D NO_CLEANDIR -D NO_CLEAN $* $Target 2>& 1 | \
    tee ../${Target}.log

Here is a truncated build log:

[...]
--------------------------------------------------------------
>>> stage 4.3: building everything
--------------------------------------------------------------
[...]
===> lib/msun/tests (all)
[...]
(cd /home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests && 
DEPENDFILE=.depend.exponential_test  NO_SUBDIR=1 make -f
/home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests/Makefile
_RECURSING_PROGS=t  PROG=exponential_test )
cc  -O2 -pipe   -DHAVE_FENV_H
-I/home/elrond/FreeBSD-work/11-LOCAL/src/contrib/netbsd-tests/lib/libc/gen
-D__HAVE_LONG_DOUBLE -O0 -DLDBL_PREC=64 -g -MD 
-MF.depend.exponential_test.exponential_test.o -MTexponential_test.o
-std=iso9899:1999 -fstack-protector-strong -Wsystem-headers -Werror
-Wno-pointer-sign -Wno-unknown-pragmas -Wno-empty-body -Wno-string-plus-int
-Wno-unused-const-variable -Wno-tautological-compare -Wno-unused-value
-Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion
-Wno-unused-local-typedef -Wno-address-of-packed-member -Wno-switch
-Wno-switch-enum -Wno-knr-promoted-parameter -Wno-parentheses 
-Qunused-arguments  -c
/home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests/exponential_test.c -o
exponential_test.o
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests/exponential_test.c:41:
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/ieeefp.h:13:
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/machine/ieeefp.h:111:9:
error: '__fldcw' macro redefined [-Werror,-Wmacro-redefined]
#define __fldcw(addr)   __asm __volatile("fldcw %0" : : "m" (*(addr)))
        ^
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/fenv.h:98:9:
note: previous definition is here
#define __fldcw(__cw)           __asm __volatile("fldcw %0" : : "m" (__cw))
        ^
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests/exponential_test.c:41:
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/ieeefp.h:13:
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/machine/ieeefp.h:112:9:
error: '__fldenv' macro redefined [-Werror,-Wmacro-redefined]
#define __fldenv(addr)  __asm __volatile("fldenv %0" : : "m" (*(addr)))
        ^
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/fenv.h:99:9:
note: previous definition is here
#define __fldenv(__env)         __asm __volatile("fldenv %0" : : "m" (__env))
        ^
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests/exponential_test.c:41:
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/ieeefp.h:13:
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/machine/ieeefp.h:114:9:
error: '__fnstcw' macro redefined [-Werror,-Wmacro-redefined]
#define __fnstcw(addr)  __asm __volatile("fnstcw %0" : "=m" (*(addr)))
        ^
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/fenv.h:105:9:
note: previous definition is here
#define __fnstcw(__cw)          __asm __volatile("fnstcw %0" : "=m" (*(__cw)))
        ^
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests/exponential_test.c:41:
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/ieeefp.h:13:
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/machine/ieeefp.h:115:9:
error: '__fnstenv' macro redefined [-Werror,-Wmacro-redefined]
#define __fnstenv(addr) __asm __volatile("fnstenv %0" : "=m" (*(addr)))
        ^
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/fenv.h:104:9:
note: previous definition is here
#define __fnstenv(__env)        __asm __volatile("fnstenv %0" : "=m"
(*(__env)))
        ^
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests/exponential_test.c:41:
In file included from
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/ieeefp.h:13:
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/machine/ieeefp.h:116:9:
error: '__fnstsw' macro redefined [-Werror,-Wmacro-redefined]
#define __fnstsw(addr)  __asm __volatile("fnstsw %0" : "=m" (*(addr)))
        ^
/home/elrond/FreeBSD-work/11-LOCAL/src/../obj/home/elrond/FreeBSD-work/11-LOCAL/src/tmp/usr/include/fenv.h:106:9:
note: previous definition is here
#define __fnstsw(__sw)          __asm __volatile("fnstsw %0" : "=am" (*(__sw)))
        ^
5 errors generated.
*** Error code 1

Stop.
make[6]: stopped in /home/elrond/FreeBSD-work/11-LOCAL/src/lib/msun/tests
*** Error code 1
[...]

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