n1++) {
      |    ^~~
wsfe.c: In function 's_wsfe':
wsfe.c:55:5: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   55 |  if(n=c_sfe(a)) return(n);
      |     ^
cc -c -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection -fPIC  -o wsle.o wsle.c
cc -c -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection -fPIC  -o wsne.o wsne.c
cc -c -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection -fPIC  -o xwsne.o xwsne.c
wsle.c: In function 's_wsle':
wsle.c:17:5: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   17 |  if(n=c_le(a)) return(n);
      |     ^
cc -c -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection -fPIC  -o dtime_.o dtime_.c
wsne.c: In function 's_wsne':
wsne.c:17:5: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   17 |  if(n=c_le(a))
      |     ^
cc -c -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection -fPIC  -o etime_.o etime_.c
cc -c -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection -fPIC  -o uninit.o uninit.c
uninit.c: In function 'ieee0':
uninit.c:302:10: error: '_FPU_MASK_IM' undeclared (first use in this function)
  302 |  cw &= ~(_FPU_MASK_IM | _FPU_MASK_ZM | _FPU_MASK_OM);
      |          ^~~~~~~~~~~~
uninit.c:302:10: note: each undeclared identifier is reported only once for each function it appears in
uninit.c:302:25: error: '_FPU_MASK_ZM' undeclared (first use in this function)
  302 |  cw &= ~(_FPU_MASK_IM | _FPU_MASK_ZM | _FPU_MASK_OM);
      |                         ^~~~~~~~~~~~
uninit.c:302:40: error: '_FPU_MASK_OM' undeclared (first use in this function)
  302 |  cw &= ~(_FPU_MASK_IM | _FPU_MASK_ZM | _FPU_MASK_OM);
      |                                        ^~~~~~~~~~~~
make: Leaving directory '/builddir/build/BUILD/f2c-20190311/libf2c'
make: *** [makefile.u:25: uninit.o] Error 1
error: Bad exit status from /var/tmp/rpm-tmp.oySWo4 (%build)
RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.oySWo4 (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/mockbuild/trace_decorator.py", line 95, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.8/site-packages/mockbuild/util.py", line 746, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/f2c.spec