Build of setserial with vanilla toolchain

# [tuscan]
# Server = file:///var/cache/pacman/pkg/

# :: Synchronizing package databases...
# downloading tuscan.db...

# ==> Making package: setserial 2.17-5 (Wed Aug 24 13:02:33 UTC 2016)
# ==> Checking runtime dependencies...
# ==> Checking buildtime dependencies...
# ==> WARNING: Using existing $srcdir/ tree
# ==> Starting build()...
# creating cache ./config.cache
# Generating configuration file for setserial version 2.17
# Release date is January, 2000
# checking for gcc... gcc
# checking whether the C compiler (gcc ) works... yes
# checking whether the C compiler (gcc ) is a cross-compiler... no
# checking whether we are using GNU C... yes
# checking whether gcc accepts -g... yes
# checking for a BSD compatible install... /usr/bin/install -c
# checking host system type... Invalid configuration `x86_64-unknown-linux': machine `x86_64-unknown' not recognized
#
# checking build system type... Invalid configuration `x86_64-unknown-linux': machine `x86_64-unknown' not recognized
#
# checking for x86_64-unknown-linux-strip... no
# checking for strip... strip
# checking how to run the C preprocessor... gcc -E
# checking for asm/ioctls.h... yes
# checking for linux/hayesesp.h... no
# updating cache ./config.cache
# creating ./config.status
# creating setserial.8
# creating Makefile
# gcc -DHAVE_ASM_IOCTLS_H=1 -I. setserial.c -o setserial
# nroff -man setserial.8 > setserial.cat
# setserial.c: In function 'print_multiport':
# setserial.c:206:6: warning: implicit declaration of function 'ioctl' [-Wimplicit-function-declaration]
# if (ioctl(fd, TIOCSERGETMULTI, &multi) < 0)
# ^~~~~
# setserial.c: In function 'get_multiport':
# setserial.c:249:3: warning: implicit declaration of function 'exit' [-Wimplicit-function-declaration]
# exit(1);
# ^~~~
# setserial.c:249:3: warning: incompatible implicit declaration of built-in function 'exit'
# setserial.c:249:3: note: include '' or provide a declaration of 'exit'
# setserial.c: In function 'set_multiport':
# setserial.c:271:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:271:3: note: include '' or provide a declaration of 'exit'
# setserial.c:281:4: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:281:4: note: include '' or provide a declaration of 'exit'
# setserial.c:338:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:338:3: note: include '' or provide a declaration of 'exit'
# setserial.c:342:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:342:3: note: include '' or provide a declaration of 'exit'
# setserial.c: In function 'get_serial':
# setserial.c:428:3: warning: implicit declaration of function 'close' [-Wimplicit-function-declaration]
# close(fd);
# ^~~~~
# setserial.c: In function 'set_serial':
# setserial.c:488:4: warning: incompatible implicit declaration of built-in function 'exit'
# exit(201);
# ^~~~
# setserial.c:488:4: note: include '' or provide a declaration of 'exit'
# setserial.c:490:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(201);
# ^~~~
# setserial.c:490:3: note: include '' or provide a declaration of 'exit'
# setserial.c:494:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:494:3: note: include '' or provide a declaration of 'exit'
# setserial.c:512:4: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:512:4: note: include '' or provide a declaration of 'exit'
# setserial.c:516:4: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:516:4: note: include '' or provide a declaration of 'exit'
# setserial.c:520:4: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:520:4: note: include '' or provide a declaration of 'exit'
# setserial.c:541:5: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:541:5: note: include '' or provide a declaration of 'exit'
# setserial.c:571:5: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:571:5: note: include '' or provide a declaration of 'exit'
# setserial.c:575:5: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:575:5: note: include '' or provide a declaration of 'exit'
# setserial.c:579:5: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:579:5: note: include '' or provide a declaration of 'exit'
# setserial.c:585:5: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:585:5: note: include '' or provide a declaration of 'exit'
# setserial.c:592:5: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:592:5: note: include '' or provide a declaration of 'exit'
# setserial.c:608:4: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:608:4: note: include '' or provide a declaration of 'exit'
# setserial.c:613:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:613:3: note: include '' or provide a declaration of 'exit'
# setserial.c: In function 'do_wild_intr':
# setserial.c:628:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:628:3: note: include '' or provide a declaration of 'exit'
# setserial.c:632:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:632:3: note: include '' or provide a declaration of 'exit'
# setserial.c:636:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:636:3: note: include '' or provide a declaration of 'exit'
# setserial.c: In function 'usage':
# setserial.c:714:2: warning: incompatible implicit declaration of built-in function 'exit'
# exit(1);
# ^~~~
# setserial.c:714:2: note: include '' or provide a declaration of 'exit'
# setserial.c: At top level:
# setserial.c:717:1: warning: return type defaults to 'int' [-Wimplicit-int]
# main(int argc, char **argv)
# ^~~~
# setserial.c: In function 'main':
# setserial.c:727:14: warning: implicit declaration of function 'getopt' [-Wimplicit-function-declaration]
# while ((c = getopt(argc, argv, "abgGqvVWz")) != EOF) {
# ^~~~~~
# setserial.c:749:4: warning: incompatible implicit declaration of built-in function 'exit'
# exit(0);
# ^~~~
# setserial.c:749:4: note: include '' or provide a declaration of 'exit'
# setserial.c:764:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(0);
# ^~~~
# setserial.c:764:3: note: include '' or provide a declaration of 'exit'
# setserial.c:770:3: warning: incompatible implicit declaration of built-in function 'exit'
# exit(0);
# ^~~~
# setserial.c:770:3: note: include '' or provide a declaration of 'exit'
# setserial.c:776:2: warning: incompatible implicit declaration of built-in function 'exit'
# exit(0);
# ^~~~
# setserial.c:776:2: note: include '' or provide a declaration of 'exit'
# ==> Entering fakeroot environment...
# ==> Starting package()...
# /usr/bin/install -c setserial /tmp/setserial/pkg/setserial/bin
# strip /tmp/setserial/pkg/setserial/bin/setserial
# strip: Warning: could not locate '/tmp/setserial/pkg/setserial/bin/setserial'. reason: Not a directory
# make: *** [Makefile:30: install] Error 1
# ==> ERROR: A failure occurred in package().
# Aborting...

# This file contains any messages produced by compilers while
# running configure, to aid debugging if configure makes a mistake.
#
# configure:566: checking for gcc
# configure:679: checking whether the C compiler (gcc ) works
# configure:695: gcc -o conftest conftest.c 1>&5
# configure:692:1: warning: return type defaults to 'int' [-Wimplicit-int]
# main(){return(0);}
# ^~~~
# configure:721: checking whether the C compiler (gcc ) is a cross-compiler
# configure:726: checking whether we are using GNU C
# configure:735: gcc -E conftest.c
# configure:754: checking whether gcc accepts -g
# configure:816: checking for a BSD compatible install
# configure:875: checking host system type
# configure:896: checking build system type
# configure:922: checking for x86_64-unknown-linux-strip
# configure:954: checking for strip
# configure:987: checking how to run the C preprocessor
# configure:1008: gcc -E conftest.c >/dev/null 2>conftest.out
# configure:1070: checking for asm/ioctls.h
# configure:1080: gcc -E conftest.c >/dev/null 2>conftest.out
# configure:1070: checking for linux/hayesesp.h
# configure:1080: gcc -E conftest.c >/dev/null 2>conftest.out
# configure:1076:28: fatal error: linux/hayesesp.h: No such file or directory
# #include <$ac_hdr>
# ^
# compilation terminated.
# configure: failed program was:
# #line 1075 "configure"
# #include "confdefs.h"
# #include