This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.

configure:542: checking for gawk
configure:574: checking for gcc
configure:687: checking whether the C compiler (clang -O2 -g0 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -Werror=implicit-function-declaration -Werror=implicit-int -Werror=incompatible-function-pointer-types -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0) works
configure:703: clang -o conftest -O2 -g0 -pipe -march=x86-64 -frecord-gcc-switches -fno-diagnostics-color -fmessage-length=0 -Werror=implicit-function-declaration -Werror=implicit-int -Werror=incompatible-function-pointer-types  -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 conftest.c  1>&5
configure:700:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
main(){return(0);}
^
int
1 error generated.
configure: failed program was:

#line 698 "configure"
#include "confdefs.h"

main(){return(0);}