This file contains messages produced while configuring
  pari-2.7.4 
to aid debugging if Configure makes a mistake. Command line was
  > ./Configure 

/usr/bin/gcc -o linux-x86_64-ansi6903 ansi.c
/usr/bin/gcc -o linux-x86_64-gnu6903 gnu.c
/usr/bin/gcc -fno-strict-aliasing -o linux-x86_64-gnu6903 gnu.c
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer endian.c -o linux-x86_64-endian6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_exp2.c -o linux-x86_64-tmp6903 -lm
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_log2.c -o linux-x86_64-tmp6903 -lm
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_strftime.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_getrusage.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_sigaction.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_TIOCGWINSZ.c -o linux-x86_64-tmp6903
has_TIOCGWINSZ.c: In function ‘main’:
has_TIOCGWINSZ.c:10:7: warning: unused variable ‘status’ [-Wunused-variable]
   int status = ioctl(0, TIOCGWINSZ, &s);
       ^
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_getrlimit.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_stat.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_vsnprintf.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_waitpid.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_setsid.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_getenv.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_isatty.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_alarm.c -o linux-x86_64-tmp6903
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_dlopen.c -o linux-x86_64-tmp6903
/tmp/ccpSeHWg.o: In function `main':
has_dlopen.c:(.text.startup+0xf): undefined reference to `dlopen'
collect2: error: ld returned 1 exit status
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer has_dlopen.c -o linux-x86_64-tmp6903 -ldl
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer -I/usr/include -o linux-x86_64-gmpv6903 gmp_version.c -L/lib64 -lgmp
xmkmf
../log_cmd: line 2: xmkmf: command not found
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer -I/usr/include -o linux-x86_64-rlv6903 rl_version.c -L/lib64 -lreadline