jesse@jesse-ubuntu:~/Desktop/Code/Source/gcc$ ./configure
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for a BSD-compatible install... /usr/bin/install -c
checking whether ln works... yes
checking whether ln -s works... yes
checking for a sed that does not truncate output... /bin/sed
checking for gawk... gawk
checking for libatomic support... yes
checking for libcilkrts support... yes
checking for libitm support... yes
checking for libsanitizer support... yes
checking for libvtv support... yes
checking for gcc... gcc
checking for C compiler default output file name... a.out
checking whether the C compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables...
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... unsupported
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking whether g++ accepts -static-libstdc++ -static-libgcc... yes
checking for gnatbind... no
checking for gnatmake... no
checking whether compiler driver understands Ada... no
checking how to compare bootstrapped objects... cmp --ignore-initial=16 $$f1 $$f2
checking for objdir... .libs
checking for the correct version of gmp.h... yes
checking for the correct version of mpfr.h... yes
checking for the correct version of mpc.h... yes
checking for the correct version of the gmp/mpfr/mpc libraries... yes
checking for version 0.10 of ISL... no
checking for version 0.11 of ISL... no
checking for version 0.12 of ISL... no
The following languages will be built: c,c++,fortran,java,lto,objc
*** This configuration is not supported in the following subdirectories:
     gnattools target-libada target-libgo target-libbacktrace
    (Any other directories should still work fine.)
checking for default BUILD_CONFIG... bootstrap-debug
checking for --enable-vtable-verify... no
/usr/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000008048220
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `pre_cpp_init':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:157: undefined reference to `__newmode'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:162: undefined reference to `__dowildcard'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:162: undefined reference to `___getmainargs'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `check_managed_app':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:363: undefined reference to `__image_base__'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:357: undefined reference to `_mingw_initltsdrot_force'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:358: undefined reference to `_mingw_initltsdyn_force'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:359: undefined reference to `_mingw_initltssuo_force'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:360: undefined reference to `_mingw_initcharmax'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `pre_c_init':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:129: undefined reference to `_mingw_app_type'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:130: undefined reference to `___set_app_type'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:133: undefined reference to `__encode_pointer'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:135: undefined reference to `__fmode'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:133: undefined reference to `___onexitend'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:133: undefined reference to `___onexitbegin'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:135: undefined reference to `__imp___fmode'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:141: undefined reference to `__setargv'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:143: undefined reference to `__MINGW_INSTALL_DEBUG_MATHERR'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:132: undefined reference to `___set_app_type'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `check_managed_app':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:366: undefined reference to `__image_base__'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:367: undefined reference to `__image_base__'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:366: undefined reference to `__image_base__'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `pre_c_init':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:145: undefined reference to `__matherr'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:145: undefined reference to `___mingw_setusermatherr'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `__tmainCRTStartup':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:233: undefined reference to `___chkstk_ms'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:240: undefined reference to `_mingw_app_type'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `__readfsdword':
/usr/local/include/psdk_inc/intrin-impl.h:1246: undefined reference to `__imp__InterlockedCompareExchange@12'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `__tmainCRTStartup':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:254: undefined reference to `__imp__Sleep@4'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:246: undefined reference to `___native_startup_lock'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:256: undefined reference to `___native_startup_state'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:260: undefined reference to `___native_startup_state'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:268: undefined reference to `___native_startup_state'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:277: undefined reference to `___dyn_tls_init_callback'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:280: undefined reference to `__pei386_runtime_relocator'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:281: undefined reference to `__gnu_exception_handler@4'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:281: undefined reference to `__imp__SetUnhandledExceptionFilter@4'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:281: undefined reference to `___mingw_oldexcpt_handler'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:285: undefined reference to `__set_invalid_parameter_handler'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:287: undefined reference to `__fpreset'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:294: undefined reference to `__imp___acmdln'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:289: undefined reference to `__image_base__'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:318: undefined reference to `_mingw_app_type'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `duplicate_ppstrings':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:416: undefined reference to `_malloc'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:421: undefined reference to `_strlen'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:422: undefined reference to `_malloc'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:423: undefined reference to `_memcpy'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `__tmainCRTStartup':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:324: undefined reference to `___main'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:331: undefined reference to `__imp____initenv'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:332: undefined reference to `_main'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:338: undefined reference to `__cexit'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:256: undefined reference to `___native_startup_state'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:258: undefined reference to `__amsg_exit'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:268: undefined reference to `___native_startup_state'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:270: undefined reference to `___xc_z'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:270: undefined reference to `___xc_a'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:270: undefined reference to `__initterm'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:271: undefined reference to `___native_startup_state'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:275: undefined reference to `___native_startup_lock'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:275: undefined reference to `__imp__InterlockedExchange@8'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:241: undefined reference to `__imp__GetStartupInfoA@4'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:262: undefined reference to `___native_startup_state'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:263: undefined reference to `___xi_z'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:263: undefined reference to `___xi_a'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:263: undefined reference to `__initterm'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `WinMainCRTStartup':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:182: undefined reference to `_mingw_app_type'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:183: undefined reference to `___security_init_cookie'
/usr/local/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/../../../../lib32/crt1.o: In function `mainCRTStartup':
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:210: undefined reference to `_mingw_app_type'
/home/jesse/Downloads/mingw-w64-v3.1.0/mingw-w64-crt/crt/crtexe.c:211: undefined reference to `___security_init_cookie'
collect2: error: ld returned 1 exit status
configure: error: I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.
jesse@jesse-ubuntu:~/Desktop/Code/Source/gcc$