The build took 00h 01m 09s and was NOT successful.
The program in this build is written in the following languages, according to sloccount:
| SLOC | Language | 
|---|---|
| 2,187 | sh | 
| 1,475 | ansic | 
| 777 | makefile | 
| 248 | python | 
| 4,687 | total | 
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Removed vanilla repositories from pacman.conf and added:
        There were existing files in /sysroot, using those
        CMD: sudo -u tuscan PATH=/sysroot/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: gif2png 2.5.9-1 (Wed Apr  5 01:26:59 UTC 2017)==> Checking runtime dependencies...==> Checking buildtime dependencies...==> WARNING: Using existing $srcdir/ tree==> Starting build()...checking for a BSD-compatible install... /usr/bin/install -cchecking whether build environment is sane... yes/tmp/gif2png/src/gif2png-2.5.9/missing: Unknown `--is-lightweight' optionTry `/tmp/gif2png/src/gif2png-2.5.9/missing --help' for more informationconfigure: WARNING: 'missing' script is too old or missingchecking for x86_64-unknown-linux-strip... nochecking for strip... stripchecking for a thread-safe mkdir -p... /usr/sbin/mkdir -pchecking for gawk... gawkchecking whether make sets $(MAKE)... yeschecking whether make supports nested variables... yeschecking for x86_64-unknown-linux-gcc... clangchecking whether the C compiler works... yeschecking for C compiler default output file name... a.outchecking for suffix of executables... checking whether we are cross compiling... yeschecking for suffix of object files... ochecking whether we are using the GNU C compiler... yeschecking whether clang accepts -g... yeschecking for clang option to accept ISO C89... none neededchecking whether clang understands -c and -o together... yeschecking for style of include used by make... GNUchecking dependency style of clang... gcc3checking how to run the C preprocessor... clang -Echecking whether clang and cc understand -c and -o together... yeschecking for grep that handles long lines and -e... /usr/sbin/grepchecking for egrep... /usr/sbin/grep -Echecking for ANSI C header files... yeschecking for deflate in -lz... nochecking for pow in -lm... yeschecking for png_get_io_ptr in -lpng... noconfigure: error: PNG library is missing! Please get it.==> ERROR: A failure occurred in build().    Aborting...Printing config logfiles
        CMD: config logfiles '/tmp/gif2png/src/gif2png-2.5.9/config.log'
        This file contains any messages produced by compilers whilerunning configure, to aid debugging if configure makes a mistake.It was created by gif2png configure 2.5.9, which wasgenerated by GNU Autoconf 2.69.  Invocation command line was$ ./configure --host=x86_64-unknown-linux --prefix=/usr --mandir=/usr/share/man## --------- #### Platform. #### --------- ##hostname = efb526013cc7uname -m = x86_64uname -r = 4.10.6-1-ARCHuname -s = Linuxuname -v = #1 SMP PREEMPT Mon Mar 27 08:28:22 CEST 2017/usr/bin/uname -p = unknown/bin/uname -X     = unknown/bin/arch              = unknown/usr/bin/arch -k       = unknown/usr/convex/getsysinfo = unknown/usr/bin/hostinfo      = unknown/bin/machine           = unknown/usr/bin/oslevel       = unknown/bin/universe          = unknownPATH: /sysroot/binPATH: /usr/local/sbinPATH: /usr/local/binPATH: /usr/sbinPATH: /usr/binPATH: /sbinPATH: /bin## ----------- #### Core tests. #### ----------- ##configure:1968: checking for a BSD-compatible installconfigure:2036: result: /usr/bin/install -cconfigure:2047: checking whether build environment is saneconfigure:2102: result: yesconfigure:2140: WARNING: 'missing' script is too old or missingconfigure:2161: checking for x86_64-unknown-linux-stripconfigure:2191: result: noconfigure:2201: checking for stripconfigure:2217: found /sysroot/bin/stripconfigure:2228: result: stripconfigure:2253: checking for a thread-safe mkdir -pconfigure:2292: result: /usr/sbin/mkdir -pconfigure:2299: checking for gawkconfigure:2315: found /usr/sbin/gawkconfigure:2326: result: gawkconfigure:2337: checking whether make sets $(MAKE)configure:2359: result: yesconfigure:2388: checking whether make supports nested variablesconfigure:2405: result: yesconfigure:2541: checking for x86_64-unknown-linux-gccconfigure:2568: result: clangconfigure:2837: checking for C compiler versionconfigure:2846: clang --version >&5clang version 3.8.1Target: x86_64-unknown-linux-gnuThread model: posixInstalledDir: /configure:2857: $? = 0configure:2846: clang -v >&5clang version 3.8.1Target: x86_64-unknown-linux-gnuThread model: posixInstalledDir: /Found candidate GCC installation: //../lib/gcc/x86_64-pc-linux-gnu/6.1.1Found candidate GCC installation: //../lib64/gcc/x86_64-pc-linux-gnu/6.1.1Selected GCC installation: //../lib64/gcc/x86_64-pc-linux-gnu/6.1.1Candidate multilib: .;@m64Selected multilib: .;@m64configure:2857: $? = 0configure:2846: clang -V >&5clang-3.8: error: argument to '-V' is missing (expected 1 value)clang-3.8: error: no input filesconfigure:2857: $? = 1configure:2846: clang -qversion >&5clang-3.8: error: unknown argument: '-qversion'clang-3.8: error: no input filesconfigure:2857: $? = 1configure:2877: checking whether the C compiler worksconfigure:2899: clang    conftest.c  >&5configure:2903: $? = 0configure:2951: result: yesconfigure:2954: checking for C compiler default output file nameconfigure:2956: result: a.outconfigure:2962: checking for suffix of executablesconfigure:2969: clang -o conftest    conftest.c  >&5configure:2973: $? = 0configure:2995: result:configure:3017: checking whether we are cross compilingconfigure:3025: clang -o conftest    conftest.c  >&5configure:3029: $? = 0configure:3036: ./conftest./conftest: error while loading shared libraries: /usr/lib/libc.so: invalid ELF headerconfigure:3040: $? = 127configure:3055: result: yesconfigure:3060: checking for suffix of object filesconfigure:3082: clang -c   conftest.c >&5configure:3086: $? = 0configure:3107: result: oconfigure:3111: checking whether we are using the GNU C compilerconfigure:3130: clang -c   conftest.c >&5configure:3130: $? = 0configure:3139: result: yesconfigure:3148: checking whether clang accepts -gconfigure:3168: clang -c -g  conftest.c >&5configure:3168: $? = 0configure:3209: result: yesconfigure:3226: checking for clang option to accept ISO C89configure:3289: clang  -c   conftest.c >&5configure:3289: $? = 0configure:3302: result: none neededconfigure:3327: checking whether clang understands -c and -o togetherconfigure:3349: clang -c conftest.c -o conftest2.oconfigure:3352: $? = 0configure:3349: clang -c conftest.c -o conftest2.oconfigure:3352: $? = 0configure:3364: result: yesconfigure:3392: checking for style of include used by makeconfigure:3420: result: GNUconfigure:3446: checking dependency style of clangconfigure:3557: result: gcc3configure:3578: checking how to run the C preprocessorconfigure:3609: clang -E  conftest.cconfigure:3609: $? = 0configure:3623: clang -E  conftest.cconftest.c:11:10: fatal error: 'ac_nonexistent.h' file not found#include ^1 error generated.configure:3623: $? = 1configure: failed program was:| /* confdefs.h */| #define PACKAGE_NAME "gif2png"| #define PACKAGE_TARNAME "gif2png"| #define PACKAGE_VERSION "2.5.9"| #define PACKAGE_STRING "gif2png 2.5.9"| #define PACKAGE_BUGREPORT ""| #define PACKAGE_URL ""| #define PACKAGE "gif2png"| #define VERSION "2.5.9"| /* end confdefs.h.  */| #include configure:3648: result: clang -Econfigure:3668: clang -E  conftest.cconfigure:3668: $? = 0configure:3682: clang -E  conftest.cconftest.c:11:10: fatal error: 'ac_nonexistent.h' file not found#include ^1 error generated.configure:3682: $? = 1configure: failed program was:| /* confdefs.h */| #define PACKAGE_NAME "gif2png"| #define PACKAGE_TARNAME "gif2png"| #define PACKAGE_VERSION "2.5.9"| #define PACKAGE_STRING "gif2png 2.5.9"| #define PACKAGE_BUGREPORT ""| #define PACKAGE_URL ""| #define PACKAGE "gif2png"| #define VERSION "2.5.9"| /* end confdefs.h.  */| #include configure:3710: checking whether clang and cc understand -c and -o togetherconfigure:3741: clang -c conftest.c -o conftest2.o >&5configure:3745: $? = 0configure:3751: clang -c conftest.c -o conftest2.o >&5configure:3755: $? = 0configure:3766: cc -c conftest.c >&5configure:3770: $? = 0configure:3778: cc -c conftest.c -o conftest2.o >&5configure:3782: $? = 0configure:3788: cc -c conftest.c -o conftest2.o >&5configure:3792: $? = 0configure:3810: result: yesconfigure:3822: checking for grep that handles long lines and -econfigure:3880: result: /usr/sbin/grepconfigure:3885: checking for egrepconfigure:3947: result: /usr/sbin/grep -Econfigure:3952: checking for ANSI C header filesconfigure:3972: clang -c   conftest.c >&5configure:3972: $? = 0configure:4056: result: yesconfigure:4087: checking for deflate in -lzconfigure:4112: clang -o conftest    conftest.c -lz   >&5/sysroot/bin/ld: error: cannot find -lz/tmp/conftest-9cabd8.o:conftest.c:function main: error: undefined reference to 'deflate'clang-3.8: error: linker command failed with exit code 1 (use -v to see invocation)configure:4112: $? = 1configure: failed program was:| /* confdefs.h */| #define PACKAGE_NAME "gif2png"| #define PACKAGE_TARNAME "gif2png"| #define PACKAGE_VERSION "2.5.9"| #define PACKAGE_STRING "gif2png 2.5.9"| #define PACKAGE_BUGREPORT ""| #define PACKAGE_URL ""| #define PACKAGE "gif2png"| #define VERSION "2.5.9"| #define STDC_HEADERS 1| /* end confdefs.h.  */|| /* Override any GCC internal prototype to avoid an error.|    Use char because int might match the return type of a GCC|    builtin and then its argument prototype would still apply.  */| #ifdef __cplusplus| extern "C"| #endif| char deflate ();| int| main ()| {| return deflate ();|   ;|   return 0;| }configure:4121: result: noconfigure:4132: checking for pow in -lmconfigure:4157: clang -o conftest    conftest.c -lm   >&5conftest.c:19:6: warning: incompatible redeclaration of library function 'pow' [-Wincompatible-library-redeclaration]char pow ();^conftest.c:19:6: note: 'pow' is a builtin with type 'double (double, double)'1 warning generated.configure:4157: $? = 0configure:4166: result: yesconfigure:4177: checking for png_get_io_ptr in -lpngconfigure:4202: clang -o conftest    conftest.c -lpng -lm  -lm  >&5/sysroot/bin/ld: error: cannot find -lpng/tmp/conftest-8aa970.o:conftest.c:function main: error: undefined reference to 'png_get_io_ptr'clang-3.8: error: linker command failed with exit code 1 (use -v to see invocation)configure:4202: $? = 1configure: failed program was:| /* confdefs.h */| #define PACKAGE_NAME "gif2png"| #define PACKAGE_TARNAME "gif2png"| #define PACKAGE_VERSION "2.5.9"| #define PACKAGE_STRING "gif2png 2.5.9"| #define PACKAGE_BUGREPORT ""| #define PACKAGE_URL ""| #define PACKAGE "gif2png"| #define VERSION "2.5.9"| #define STDC_HEADERS 1| #define HAVE_LIBM 1| /* end confdefs.h.  */|| /* Override any GCC internal prototype to avoid an error.|    Use char because int might match the return type of a GCC|    builtin and then its argument prototype would still apply.  */| #ifdef __cplusplus| extern "C"| #endif| char png_get_io_ptr ();| int| main ()| {| return png_get_io_ptr ();|   ;|   return 0;| }configure:4211: result: noconfigure:4225: error: PNG library is missing! Please get it.## ---------------- #### Cache variables. #### ---------------- ##ac_cv_c_compiler_gnu=yesac_cv_env_CC_set=setac_cv_env_CC_value=clangac_cv_env_CFLAGS_set=setac_cv_env_CFLAGS_value=ac_cv_env_CPPFLAGS_set=setac_cv_env_CPPFLAGS_value=ac_cv_env_CPP_set=ac_cv_env_CPP_value=ac_cv_env_LDFLAGS_set=setac_cv_env_LDFLAGS_value=ac_cv_env_LIBS_set=ac_cv_env_LIBS_value=ac_cv_env_build_alias_set=ac_cv_env_build_alias_value=ac_cv_env_host_alias_set=setac_cv_env_host_alias_value=x86_64-unknown-linuxac_cv_env_target_alias_set=ac_cv_env_target_alias_value=ac_cv_header_stdc=yesac_cv_lib_m_pow=yesac_cv_lib_png_png_get_io_ptr=noac_cv_lib_z_deflate=noac_cv_objext=oac_cv_path_EGREP='/usr/sbin/grep -E'ac_cv_path_GREP=/usr/sbin/grepac_cv_path_install='/usr/bin/install -c'ac_cv_path_mkdir=/usr/sbin/mkdirac_cv_prog_AWK=gawkac_cv_prog_CC=clangac_cv_prog_CPP='clang -E'ac_cv_prog_ac_ct_STRIP=stripac_cv_prog_cc_c89=ac_cv_prog_cc_clang_c_o=yesac_cv_prog_cc_g=yesac_cv_prog_make_make_set=yesam_cv_CC_dependencies_compiler_type=gcc3am_cv_make_support_nested_variables=yesam_cv_prog_cc_c_o=yes## ----------------- #### Output variables. #### ----------------- ##ACLOCAL='aclocal-1.14'AMDEPBACKSLASH='\'AMDEP_FALSE='#'AMDEP_TRUE=''AMTAR='$${TAR-tar}'AM_BACKSLASH='\'AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'AM_DEFAULT_VERBOSITY='1'AM_V='$(V)'AUTOCONF='autoconf'AUTOHEADER='autoheader'AUTOMAKE='automake-1.14'AWK='gawk'CC='clang'CCDEPMODE='depmode=gcc3'CFLAGS=''CPP='clang -E'CPPFLAGS=''CYGPATH_W='echo'DEFS=''DEPDIR='.deps'ECHO_C=''ECHO_N='-n'ECHO_T=''EGREP='/usr/sbin/grep -E'EXEEXT=''GREP='/usr/sbin/grep'INSTALL_DATA='${INSTALL} -m 644'INSTALL_PROGRAM='${INSTALL}'INSTALL_SCRIPT='${INSTALL}'INSTALL_STRIP_PROGRAM='$(install_sh) -c -s'LDFLAGS=''LIBOBJS=''LIBS='-lm 'LTLIBOBJS=''MAKEINFO='makeinfo'MKDIR_P='/usr/sbin/mkdir -p'OBJEXT='o'PACKAGE='gif2png'PACKAGE_BUGREPORT=''PACKAGE_NAME='gif2png'PACKAGE_STRING='gif2png 2.5.9'PACKAGE_TARNAME='gif2png'PACKAGE_URL=''PACKAGE_VERSION='2.5.9'PATH_SEPARATOR=':'SET_MAKE=''SHELL='/bin/sh'STRIP='strip'VERSION='2.5.9'ac_ct_CC=''am__EXEEXT_FALSE=''am__EXEEXT_TRUE=''am__fastdepCC_FALSE='#'am__fastdepCC_TRUE=''am__include='include'am__isrc=''am__leading_dot='.'am__nodep='_no'am__quote=''am__tar='$${TAR-tar} chof - "$$tardir"'am__untar='$${TAR-tar} xf -'bindir='${exec_prefix}/bin'build_alias=''datadir='${datarootdir}'datarootdir='${prefix}/share'docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'dvidir='${docdir}'exec_prefix='NONE'host_alias='x86_64-unknown-linux'htmldir='${docdir}'includedir='${prefix}/include'infodir='${datarootdir}/info'install_sh='${SHELL} /tmp/gif2png/src/gif2png-2.5.9/install-sh'libdir='${exec_prefix}/lib'libexecdir='${exec_prefix}/libexec'localedir='${datarootdir}/locale'localstatedir='${prefix}/var'mandir='/usr/share/man'mkdir_p='$(MKDIR_P)'oldincludedir='/usr/include'pdfdir='${docdir}'prefix='/usr'program_transform_name='s,x,x,'psdir='${docdir}'sbindir='${exec_prefix}/sbin'sharedstatedir='${prefix}/com'sysconfdir='${prefix}/etc'target_alias=''## ----------- #### confdefs.h. #### ----------- ##/* confdefs.h */#define PACKAGE_NAME "gif2png"#define PACKAGE_TARNAME "gif2png"#define PACKAGE_VERSION "2.5.9"#define PACKAGE_STRING "gif2png 2.5.9"#define PACKAGE_BUGREPORT ""#define PACKAGE_URL ""#define PACKAGE "gif2png"#define VERSION "2.5.9"#define STDC_HEADERS 1#define HAVE_LIBM 1configure: exit 1