clang_glibc/netwatch

SLOC	Language
`7,230`	ansic
`130`	awk
`74`	sh
`7,434`	total

Removed vanilla repositories from pacman.conf and added:

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

CMD: pacman -Syy --noconfirm

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

Copied permanent toolchain into container-local sysroot

# /toolchain_root/sysroot --> /sysroot/sysroot
# /toolchain_root/lib --> /sysroot/lib
# /toolchain_root/sbin --> /sysroot/sbin
# /toolchain_root/lib64 --> /sysroot/lib64
# /toolchain_root/etc --> /sysroot/etc
# /toolchain_root/share --> /sysroot/share
# /toolchain_root/bin --> /sysroot/bin
# /toolchain_root/var --> /sysroot/var
# /toolchain_root/usr --> /sysroot/usr
# /toolchain_root/glibc-build --> /sysroot/glibc-build
# /toolchain_root/x86_64-pc-linux-gnu --> /sysroot/x86_64-pc-linux-gnu
# /toolchain_root/include --> /sysroot/include
# /toolchain_root/libexec --> /sysroot/libexec

CMD: sudo -u tuscan PATH=/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin CC=clang CXX=clang++ red makepkg --noextract --syncdeps --skipinteg --skippgpcheck --skipchecksums --noconfirm --nocolor --log --noprogressbar --nocheck

# ==> Making package: netwatch 1.3.1_2-1 (Thu Apr 13 16:25:35 UTC 2017)
# ==> Checking runtime dependencies...
# ==> Checking buildtime dependencies...
# ==> WARNING: Using existing $srcdir/ tree
# ==> Starting build()...
# creating cache ./config.cache
# checking for gcc... clang
# checking whether the C compiler (clang ) works... yes
# checking whether the C compiler (clang ) is a cross-compiler... no
# checking whether we are using GNU C... yes
# checking whether clang accepts -g... yes
# checking for mvchgat in -lncurses... yes
# checking for pthread_create in -lpthread... yes
# checking how to run the C preprocessor... clang -E
# checking for ANSI C header files... yes
# checking for sys/wait.h that is POSIX.1 compatible... yes
# checking for fcntl.h... yes
# checking for strings.h... yes
# checking for sys/ioctl.h... yes
# checking for sys/time.h... yes
# checking for unistd.h... yes
# checking for netinet/ip_icmp.h... yes
# checking for netinet/ip.h... yes
# checking for netinet/tcp.h... yes
# checking for netinet/ip_tcp.h... no
# checking for netinet/udp.h... yes
# checking for netinet/ip_udp.h... no
# checking for netinet/if_ether.h... yes
# checking for netinet/in.h... yes
# checking for netinet/socket.h... no
# checking for net/if.h... yes
# checking for net/if_ppp.h... yes
# checking for netinet/if_ether.h... (cached) yes
# checking for netinet/in.h... (cached) yes
# checking for ncurses.h... yes
# checking for ncurses/curses.h... no
# checking for ncurses.h... (cached) yes
# checking for pthread.h... yes
# checking for ncurses/curses.h... (cached) no
# checking for curses.h... yes
# checking for sys/if_packet.h... no
# checking for linux/if_packet.h... yes
# checking for net/if_packet.h... yes
# checking for pid_t... yes
# checking whether time.h and sys/time.h may both be included... yes
# checking whether clang needs -traditional... no
# checking for 8-bit clean memcmp... yes
# checking return type of signal handlers... void
# checking for select... yes
# checking for socket... yes
# checking for strstr... yes
# checking for uname... yes
# updating cache ./config.cache
# creating ./config.status
# creating Makefile
# creating Make.common
# creating config.h
# clang -c curs.c
# clang -c dispdata.c
#

dispdata.c:416:5: warning: assigning to 'char *' from 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# p = &b->buf[magnaoffs];
# ^ ~~~~~~~~~~~~~~~~~~
#

dispdata.c:616:2: warning: implicit declaration of function 'setuphelp' is invalid in C99 [-Wimplicit-function-declaration]

# setuphelp();
# ^
#

dispdata.c:657:2: warning: implicit declaration of function 'dokeyin' is invalid in C99 [-Wimplicit-function-declaration]

# dokeyin ('l');
# ^
#

dispdata.c:740:7: warning: implicit declaration of function 'uthread_wait' is invalid in C99 [-Wimplicit-function-declaration]

# uthread_wait(1000);
# ^
# dispdata.c:1304:16: warning: '&&' within '||' [-Wlogical-op-parentheses]
# if (yact >= 0 && yact < MLINES - 5 || printtospeclog)
# ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ ~~
# dispdata.c:1304:16: note: place parentheses around the '&&' expression to silence this warning
# if (yact >= 0 && yact < MLINES - 5 || printtospeclog)
# ^
# ( )
#

dispdata.c:1414:18: warning: passing 'unsigned char [4]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# makeaddr (current->addr, thost);
# ^~~~~~~~~~~~~
# dispdata.c:226:21: note: passing argument to parameter 'naddr' here
# void makeaddr (char naddr[], char ascii[]);
# ^
#

dispdata.c:1670:18: warning: passing 'unsigned char [4]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# makeaddr (current->addr, thost);
# ^~~~~~~~~~~~~
# dispdata.c:226:21: note: passing argument to parameter 'naddr' here
# void makeaddr (char naddr[], char ascii[]);
# ^
# 7 warnings generated.
# clang -g -c services.c
# clang -DVERSION='"1.3.1"' -DRELEASE='"2"' -c netwatch.c
#

netwatch.c:675:4: warning: implicit declaration of function 'dokeyin' is invalid in C99 [-Wimplicit-function-declaration]

# dokeyin (keycomm[i]);
# ^
# netwatch.c:953:31: warning: format specifies type 'long' but the argument has type 'pid_t' (aka 'int') [-Wformat]
# WEXITSTATUS (status), killpid);
# ^~~~~~~
# netwatch.c:961:28: warning: format specifies type 'long' but the argument has type 'pid_t' (aka 'int') [-Wformat]
# WTERMSIG (status), killpid);
# ^~~~~~~
# netwatch.c:1168:5: warning: implicit declaration of function 'gh' is invalid in C99 [-Wimplicit-function-declaration]
# gh (3);
# ^
#

netwatch.c:1696:35: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = getoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1609:37: note: passing argument to parameter 'buf' here
# clock_t getoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:1751:31: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = getoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1609:37: note: passing argument to parameter 'buf' here
# clock_t getoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:1787:31: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = putoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1562:37: note: passing argument to parameter 'buf' here
# clock_t putoneeth (FILE * fp, char *buf, int *plen)
# ^
# netwatch.c:1848:1: warning: control may reach end of non-void function [-Wreturn-type]
# }
# ^
#

netwatch.c:1885:12: warning: implicit declaration of function 'doeth' is invalid in C99 [-Wimplicit-function-declaration]

# while (doeth()>=0)
# ^
# netwatch.c:1920:1: warning: control reaches end of non-void function [-Wreturn-type]
# }
# ^
#

netwatch.c:2191:51: warning: format specifies type 'unsigned int *' but the argument has type 'u_int16_t *' (aka 'unsigned short *') [-Wformat]

# if (sscanf(ssh_env,"%s %u %u",ssh_orig_addr_asc,&ssh_orig_port,&ssh_dest_port)!=3)
# ~~ ^~~~~~~~~~~~~~
# %hu
#

netwatch.c:2191:66: warning: format specifies type 'unsigned int *' but the argument has type 'u_int16_t *' (aka 'unsigned short *') [-Wformat]

# if (sscanf(ssh_env,"%s %u %u",ssh_orig_addr_asc,&ssh_orig_port,&ssh_dest_port)!=3)
# ~~ ^~~~~~~~~~~~~~
# %hu
#

netwatch.c:2393:12: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# sprintf (buf, "%s.%03d", speclogfile, speclogext);
# ^~~
# /usr/include/stdio.h:364:38: note: passing argument to parameter '__s' here
# extern int sprintf (char *__restrict __s,
# ^
#

netwatch.c:2394:22: warning: passing 'unsigned char [2049]' to parameter of type 'const char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fpspeclog = fopen (buf, "w");
# ^~~
# /usr/include/stdio.h:272:44: note: passing argument to parameter '__filename' here
# extern FILE *fopen (const char *__restrict __filename,
# ^
#

netwatch.c:2655:9: warning: implicit declaration of function 'isalnum' is invalid in C99 [-Wimplicit-function-declaration]

# if (isalnum (*s) || isspace (*s) || ispunct (*s))
# ^
#

netwatch.c:2655:25: warning: implicit declaration of function 'isspace' is invalid in C99 [-Wimplicit-function-declaration]

# if (isalnum (*s) || isspace (*s) || ispunct (*s))
# ^
#

netwatch.c:2655:41: warning: implicit declaration of function 'ispunct' is invalid in C99 [-Wimplicit-function-declaration]

# if (isalnum (*s) || isspace (*s) || ispunct (*s))
# ^
#

netwatch.c:3290:34: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# mygethostbyaddr (work->name, (char *) key, 4, AF_INET);
# ^~~~~~~~~~~~
# netwatch.c:1063:51: note: passing argument to parameter 'p' here
# void mygethostbyaddr (char *where, unsigned char *p, int len, int proto)
# ^
#

netwatch.c:3821:31: warning: passing 'int *' to parameter of type 'socklen_t *' (aka 'unsigned int *') converts between pointers to integer types with different sign [-Wpointer-sign]

# (struct sockaddr *) &saddr, &sizeaddr);
# ^~~~~~~~~
# /usr/include/sys/socket.h:176:27: note: passing argument to parameter '__addr_len' here
# socklen_t *__restrict __addr_len);
# ^
#

netwatch.c:3973:9: warning: implicit declaration of function 'isdigit' is invalid in C99 [-Wimplicit-function-declaration]

# if (isdigit (in_char))
# ^
# netwatch.c:4286:14: warning: multiple unsequenced modifications to 'bpsflag' [-Wunsequenced]
# bpsflag = ++bpsflag & 1;
# ~ ^
#

netwatch.c:4367:34: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# (fileclk = getoneeth (simfp, buf, &length)) >= 0)
# ^~~
# netwatch.c:1609:37: note: passing argument to parameter 'buf' here
# clock_t getoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:4373:28: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# putoneeth (simfp, buf, &length) >= 0)
# ^~~
# netwatch.c:1562:37: note: passing argument to parameter 'buf' here
# clock_t putoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:4572:34: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = getoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1609:37: note: passing argument to parameter 'buf' here
# clock_t getoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:4577:34: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = putoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1562:37: note: passing argument to parameter 'buf' here
# clock_t putoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:4581:34: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = getoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1609:37: note: passing argument to parameter 'buf' here
# clock_t getoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:4610:34: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = putoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1562:37: note: passing argument to parameter 'buf' here
# clock_t putoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:4615:34: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = getoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1609:37: note: passing argument to parameter 'buf' here
# clock_t getoneeth (FILE * fp, char *buf, int *plen)
# ^
#

netwatch.c:4619:34: warning: passing 'unsigned char [2049]' to parameter of type 'char *' converts between pointers to integer types with different sign [-Wpointer-sign]

# fileclk = putoneeth (simfp, buf, &length);
# ^~~
# netwatch.c:1562:37: note: passing argument to parameter 'buf' here
# clock_t putoneeth (FILE * fp, char *buf, int *plen)
# ^
# 29 warnings generated.
# clang -c processinetrc.c
# clang -c gh.c
# clang -c warning.c
# warning.c:40:7: warning: implicit declaration of function 'time' is invalid in C99 [-Wimplicit-function-declaration]
# dt = time(0);
# ^
# warning.c:47:12: warning: implicit declaration of function 'ctime' is invalid in C99 [-Wimplicit-function-declaration]
# version,ctime(&dt));
# ^
# warning.c:47:12: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat]
# version,ctime(&dt));
# ^~~~~~~~~~
# warning.c:61:4: warning: implicit declaration of function 'system' is invalid in C99 [-Wimplicit-function-declaration]
# system(command);
# ^
# warning.c:63:3: warning: implicit declaration of function 'unlink' is invalid in C99 [-Wimplicit-function-declaration]
# unlink(tmpname);
# ^
# 5 warnings generated.
# clang -c semaphore.c
#

clang -DVERSION='"1.3.1"' -DRELEASE='"2"' -o netwatch  curs.o dispdata.o services.o netwatch.o processinetrc.o gh.o warning.o semaphore.o -lpthread -lncurses

# clang -c netresolv.c
# clang -o netresolv netresolv.o
# ==> Entering fakeroot environment...
# ==> Starting package()...
# ==> Tidying install...
# -> Removing doc files...
# -> Purging unwanted files...
# -> Compressing man and info pages...
# ==> Checking for packaging issue...
# ==> Creating package "netwatch"...
# -> Generating .PKGINFO file...
# -> Generating .BUILDINFO file...
# error: invalid option '--noprogressbar'
# -> Generating .MTREE file...
# -> Compressing package...
# ==> Leaving fakeroot environment.
# ==> Finished making: netwatch 1.3.1_2-1 (Thu Apr 13 16:25:42 UTC 2017)

CMD: pacman --query --file netwatch-1.3.1_2-1-x86_64.pkg.tar.xz

# netwatch 1.3.1_2-1

Creating hybrid package for 'netwatch'

Trying to find vanilla package 'netwatch'...

CMD: pacman --query --file /mirror/netwatch-1.3.1_2-1.pkg.tar.xz

# netwatch 1.3.1_2-1

Package file has the following structure:

# /.PKGINFO
# /.BUILDINFO
# /.MTREE
# /usr/bin/netwatch
# /usr/bin/netresolv
# /usr/share/man/man1/netwatch.1.gz

Generating .MTREE

CMD: bsdtar -czf .MTREE --format=mtree --options=!all,use-set,type,uid,mode,time,size,md5,sha256,link .PKGINFO .BUILDINFO usr

Tar-ing up files

CMD: bsdtar -cf - .PKGINFO .BUILDINFO usr .MTREE

CMD: xz -c -z

Successfully ran bsdtar -cf - .PKGINFO .BUILDINFO usr .MTREE | xz -c -z

CMD: bsdtar -tqf netwatch.pkg.tar.xz .PKGINFO

# .PKGINFO

Created package at path /var/cache/pacman/pkg/netwatch.pkg.tar.xz

Attempting to access local repository, attempt 1

CMD: repo-add /var/cache/pacman/pkg/tuscan.db.tar /var/cache/pacman/pkg/netwatch.pkg.tar.xz

# ==> ERROR: Failed to acquire lockfile: /var/cache/pacman/pkg/tuscan.db.tar.lck.
# ==> ERROR: Held by process 1675

Attempting to access local repository, attempt 2

CMD: repo-add /var/cache/pacman/pkg/tuscan.db.tar /var/cache/pacman/pkg/netwatch.pkg.tar.xz

# ==> Extracting database to a temporary location...
# ==> Extracting database to a temporary location...
# ==> Adding package '/var/cache/pacman/pkg/netwatch.pkg.tar.xz'
# -> Computing checksums...
# -> Creating 'desc' db entry...
# -> Creating 'files' db entry...
# ==> Creating updated database file '/var/cache/pacman/pkg/tuscan.db.tar'

Printing config logfiles

CMD: config logfiles '/tmp/netwatch/src/netwatch-1.3.1-2/config.log'

# This file contains any messages produced by compilers while
# running configure, to aid debugging if configure makes a mistake.
#
# configure:529: checking for gcc
# configure:642: checking whether the C compiler (clang ) works
# configure:658: clang -o conftest conftest.c 1>&5
# configure:655:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
# main(){return(0);}
# ^
# 1 warning generated.
# configure:684: checking whether the C compiler (clang ) is a cross-compiler
# configure:689: checking whether we are using GNU C
# configure:698: clang -E conftest.c
# configure:717: checking whether clang accepts -g
# configure:753: checking for mvchgat in -lncurses
# configure:772: clang -o conftest conftest.c -lncurses 1>&5
# configure:800: checking for pthread_create in -lpthread
# configure:819: clang -o conftest conftest.c -lpthread -lncurses 1>&5
# configure:848: checking how to run the C preprocessor
# configure:869: clang -E conftest.c >/dev/null 2>conftest.out
# configure:928: checking for ANSI C header files
# configure:941: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1008: clang -o conftest conftest.c -lpthread -lncurses 1>&5
#

configure:1003:67: warning: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Wimplicit-function-declaration]

# if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
# ^
# configure:1003:67: note: include the header or explicitly provide a declaration for 'exit'
# 1 warning generated.
# configure:1032: checking for sys/wait.h that is POSIX.1 compatible
# configure:1053: clang -c conftest.c 1>&5
# configure:1077: checking for fcntl.h
# configure:1087: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1077: checking for strings.h
# configure:1087: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1077: checking for sys/ioctl.h
# configure:1087: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1077: checking for sys/time.h
# configure:1087: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1077: checking for unistd.h
# configure:1087: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1117: checking for netinet/ip_icmp.h
# configure:1127: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1157: checking for netinet/ip.h
# configure:1167: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1197: checking for netinet/tcp.h
# configure:1207: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1237: checking for netinet/ip_tcp.h
# configure:1247: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1243:10: fatal error: 'netinet/ip_tcp.h' file not found
# #include
# ^
# 1 error generated.
# configure: failed program was:
# #line 1242 "configure"
# #include "confdefs.h"
# #include
# configure:1277: checking for netinet/udp.h
# configure:1287: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1317: checking for netinet/ip_udp.h
# configure:1327: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1323:10: fatal error: 'netinet/ip_udp.h' file not found
# #include
# ^
# 1 error generated.
# configure: failed program was:
# #line 1322 "configure"
# #include "confdefs.h"
# #include
# configure:1357: checking for netinet/if_ether.h
# configure:1367: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1397: checking for netinet/in.h
# configure:1407: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1437: checking for netinet/socket.h
# configure:1447: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1443:10: fatal error: 'netinet/socket.h' file not found
# #include
# ^
# 1 error generated.
# configure: failed program was:
# #line 1442 "configure"
# #include "confdefs.h"
# #include
# configure:1477: checking for net/if.h
# configure:1487: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1517: checking for net/if_ppp.h
# configure:1527: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1557: checking for netinet/if_ether.h
# configure:1557: checking for netinet/in.h
# configure:1557: checking for ncurses.h
# configure:1567: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1557: checking for ncurses/curses.h
# configure:1567: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1563:10: fatal error: 'ncurses/curses.h' file not found
# #include
# ^
# 1 error generated.
# configure: failed program was:
# #line 1562 "configure"
# #include "confdefs.h"
# #include
# configure:1597: checking for ncurses.h
# configure:1637: checking for pthread.h
# configure:1647: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1677: checking for ncurses/curses.h
# configure:1717: checking for curses.h
# configure:1727: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1757: checking for sys/if_packet.h
# configure:1767: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1763:10: fatal error: 'sys/if_packet.h' file not found
# #include
# ^
# 1 error generated.
# configure: failed program was:
# #line 1762 "configure"
# #include "confdefs.h"
# #include
# configure:1797: checking for linux/if_packet.h
# configure:1807: clang -E conftest.c >/dev/null 2>conftest.out
# configure:1837: checking for net/if_packet.h
# configure:1847: clang -E conftest.c >/dev/null 2>conftest.out
# configure:2428: checking for pid_t
# configure:2461: checking whether time.h and sys/time.h may both be included
# configure:2475: clang -c conftest.c 1>&5
# configure:2498: checking whether clang needs -traditional
# configure:2544: checking for 8-bit clean memcmp
# configure:2562: clang -o conftest conftest.c -lpthread -lncurses 1>&5
# configure:2554:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
# main()
# ^
#

configure:2557:3: warning: implicitly declaring library function 'exit' with type 'void (int) __attribute__((noreturn))' [-Wimplicit-function-declaration]

# exit(memcmp(&c0, &c2, 1) < 0 && memcmp(&c1, &c2, 1) < 0 ? 0 : 1);
# ^
# configure:2557:3: note: include the header or explicitly provide a declaration for 'exit'
#

configure:2557:8: warning: implicitly declaring library function 'memcmp' with type 'int (const void *, const void *, unsigned long)' [-Wimplicit-function-declaration]

# exit(memcmp(&c0, &c2, 1) < 0 && memcmp(&c1, &c2, 1) < 0 ? 0 : 1);
# ^
# configure:2557:8: note: include the header or explicitly provide a declaration for 'memcmp'
# 3 warnings generated.
# configure:2580: checking return type of signal handlers
# configure:2602: clang -c conftest.c 1>&5
# configure:2623: checking for select
# configure:2651: clang -o conftest conftest.c -lpthread -lncurses 1>&5
# configure:2623: checking for socket
# configure:2651: clang -o conftest conftest.c -lpthread -lncurses 1>&5
# configure:2623: checking for strstr
# configure:2651: clang -o conftest conftest.c -lpthread -lncurses 1>&5
#

configure:2635:6: warning: incompatible redeclaration of library function 'strstr' [-Wincompatible-library-redeclaration]

# char strstr();
# ^
# configure:2635:6: note: 'strstr' is a builtin with type 'char *(const char *, const char *)'
# 1 warning generated.
# configure:2623: checking for uname
# configure:2651: clang -o conftest conftest.c -lpthread -lncurses 1>&5

Build of netwatch with clang_glibc toolchain

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