]'
+ /usr/bin/rm -f ./gc/libatomic_ops/config.guess
BUILDSTDERR: ++ basename ./gc/libatomic_ops/config.guess
+ /usr/bin/cp -fv /usr/lib/rpm/redhat/config.guess ./gc/libatomic_ops/config.guess
'/usr/lib/rpm/redhat/config.guess' -> './gc/libatomic_ops/config.guess'
+ for i in $(find $(dirname ./configure) -name config.guess -o -name config.sub)
BUILDSTDERR: ++ basename ./gc/config.sub
+ '[' -f /usr/lib/rpm/redhat/config.sub ']'
+ /usr/bin/rm -f ./gc/config.sub
BUILDSTDERR: ++ basename ./gc/config.sub
+ /usr/bin/cp -fv /usr/lib/rpm/redhat/config.sub ./gc/config.sub
'/usr/lib/rpm/redhat/config.sub' -> './gc/config.sub'
+ for i in $(find $(dirname ./configure) -name config.guess -o -name config.sub)
BUILDSTDERR: ++ basename ./gc/config.guess
+ '[' -f /usr/lib/rpm/redhat/config.guess ']'
+ /usr/bin/rm -f ./gc/config.guess
BUILDSTDERR: ++ basename ./gc/config.guess
+ /usr/bin/cp -fv /usr/lib/rpm/redhat/config.guess ./gc/config.guess
'/usr/lib/rpm/redhat/config.guess' -> './gc/config.guess'
+ for i in $(find $(dirname ./configure) -name config.guess -o -name config.sub)
BUILDSTDERR: ++ basename ./config.guess
+ '[' -f /usr/lib/rpm/redhat/config.guess ']'
+ /usr/bin/rm -f ./config.guess
BUILDSTDERR: ++ basename ./config.guess
+ /usr/bin/cp -fv /usr/lib/rpm/redhat/config.guess ./config.guess
'/usr/lib/rpm/redhat/config.guess' -> './config.guess'
+ '[' 1 = 1 ']'
+ '[' x '!=' 'x-Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld' ']'
BUILDSTDERR: ++ find . -name ltmain.sh
+ for i in $(find . -name ltmain.sh)
+ /usr/bin/sed -i.backup -e 's~compiler_flags=$~compiler_flags="-Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld"~' ./gc/libatomic_ops/ltmain.sh
+ for i in $(find . -name ltmain.sh)
+ /usr/bin/sed -i.backup -e 's~compiler_flags=$~compiler_flags="-Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld"~' ./gc/ltmain.sh
+ for i in $(find . -name ltmain.sh)
+ /usr/bin/sed -i.backup -e 's~compiler_flags=$~compiler_flags="-Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld"~' ./ltmain.sh
+ ./configure --build=riscv64-koji-linux-gnu --host=riscv64-koji-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-rpath=no --enable-threads=pthreads --enable-multibyte=utf-8 --with-slib=/usr/share/slib
checking build system type... riscv64-koji-linux-gnu
checking host system type... riscv64-koji-linux-gnu
checking target system type... riscv64-koji-linux-gnu
checking for riscv64-koji-linux-gnu-pkg-config... no
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for ATOMIC_OPS... no
checking which libatomic_ops to use... internal
checking for riscv64-koji-linux-gnu-gcc... no
checking for gcc... no
checking for riscv64-koji-linux-gnu-cc... no
checking for cc... no
checking for riscv64-koji-linux-gnu-cl.exe... no
checking for cl.exe... no
BUILDSTDERR: configure: error: in `/builddir/build/BUILD/Gauche-0.9.5':
BUILDSTDERR: configure: error: no acceptable C compiler found in $PATH
BUILDSTDERR: See `config.log' for more details
BUILDSTDERR: error: Bad exit status from /var/tmp/rpm-tmp.uiB1i2 (%build)
RPM build errors:
BUILDSTDERR:     Bad exit status from /var/tmp/rpm-tmp.uiB1i2 (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.7/site-packages/mockbuild/trace_decorator.py", line 96, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.7/site-packages/mockbuild/util.py", line 636, in do
    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/gauche.spec