This file contains messages produced while configuring
  pari-2.7.2 
to aid debugging if Configure makes a mistake. Command line was
  > ./Configure 

/usr/bin/gcc -o mingw-x86_64-ansi13909 ansi.c
/usr/bin/gcc -o mingw-x86_64-gnu13909 gnu.c
/usr/bin/gcc -fno-strict-aliasing -o mingw-x86_64-gnu13909 gnu.c
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing endian.c -o mingw-x86_64-endian13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_exp2.c -o mingw-x86_64-tmp13909 -lm
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_log2.c -o mingw-x86_64-tmp13909 -lm
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_strftime.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_getrusage.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_sigaction.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_TIOCGWINSZ.c -o mingw-x86_64-tmp13909
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 has_getrlimit.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_stat.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_vsnprintf.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_waitpid.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_setsid.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_getenv.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_isatty.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_alarm.c -o mingw-x86_64-tmp13909
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing has_dlopen.c -o mingw-x86_64-tmp13909
/tmp/ccHrgYqM.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 has_dlopen.c -o mingw-x86_64-tmp13909 -ldl
/usr/bin/gcc -O3 -Wall -fno-strict-aliasing -I/usr/include -o mingw-x86_64-gmpv13909 gmp_version.c -L/lib64 -lgmp