Cannot compile libgcc

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Techel
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Cannot compile libgcc

Post by Techel »

I want to build crosscompiler (i686-elf-gcc, with c and c++ support). After fiddling with mingw I switched to cygwin x86, using Windows 7 x64 with gcc 4.9.3 and binutils 2.25.
Building binutils and gcc 4.9.2 finished successfully, however compiling libgcc results in the following error message after a while:

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checking for suffix of object files... configure: error: in `/home/Administrator
/build-gcc/i686-elf/libgcc':
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details.
Makefile:10804: rule for target "configure-target-libgcc" failed
make: *** [configure-target-libgcc] Error 1
Things I did:
-> followed the local osdev crosscompiler tutorial and compiled binutils and gcc with the exact same commands
-> within the same console session I tried to build libgcc (using make all-target-libgcc)

I'm curious: building binutils and gcc worked, libgcc failed.
Thats the shortened content of said config.log:

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  $ /home/Administrator/gcc-4.9.2/libgcc/configure --cache-file=./config.cache --enable-multilib --with-cross-host=i686-pc-cygwin --prefix=/home/Administrator/opt/cross --disable-nls --without-headers --enable-languages=c,c++,lto --program-transform-name=s&^&i686-elf-& --disable-option-checking --with-target-subdir=i686-elf --build=i686-pc-cygwin --host=i686-elf --target=i686-elf --srcdir=../../../gcc-4.9.2/libgcc

## --------- ##
## Platform. ##
## --------- ##

hostname = ostsee-PC
uname -m = i686
uname -r = 2.4.1(0.293/5/3)
uname -s = CYGWIN_NT-6.1-WOW
uname -v = 2016-01-24 11:24

/usr/bin/uname -p = unknown
/bin/uname -X     = unknown

/bin/arch              = i686
/usr/bin/arch -k       = unknown
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo      = unknown
/bin/machine           = unknown
/usr/bin/oslevel       = unknown
/bin/universe          = unknown

PATH: /home/Administrator/opt/cross/bin
PATH: /usr/local/bin
PATH: /usr/bin
PATH: /cygdrive/c/ProgramData/Oracle/Java/javapath
PATH: /cygdrive/c/Program Files/Common Files/Microsoft Shared/Windows Live
PATH: /cygdrive/c/Program Files (x86)/Common Files/Microsoft Shared/Windows Live
PATH: /cygdrive/c/Windows/system32
PATH: /cygdrive/c/Windows
PATH: /cygdrive/c/Windows/System32/Wbem
PATH: /cygdrive/c/Windows/System32/WindowsPowerShell/v1.0
PATH: /cygdrive/c/Program Files (x86)/ATI Technologies/ATI.ACE/Core-Static
PATH: /cygdrive/c/Program Files (x86)/Windows Live/Shared
PATH: /cygdrive/c/Users/Administrator/Documents/asmgf
PATH: /cygdrive/c/Program Files/Microsoft SQL Server/110/Tools/Binn
PATH: /cygdrive/c/Program Files (x86)/Lua/5.1
PATH: /cygdrive/c/Program Files (x86)/Lua/5.1/clibs
PATH: /cygdrive/c/Program Files (x86)/Windows Kits/8.1/Windows Performance Toolkit
PATH: /cygdrive/c/Program Files (x86)/Skype/Phone
PATH: /cygdrive/c/bin
PATH: /usr/bin


## ----------- ##
## Core tests. ##
## ----------- ##

configure:1980: creating cache ./config.cache
configure:2163: checking build system type
configure:2177: result: i686-pc-cygwin
configure:2197: checking host system type
configure:2210: result: i686-pc-elf
configure:2307: checking for --enable-version-specific-runtime-libs
configure:2320: result: no
configure:2368: checking for a BSD-compatible install
configure:2436: result: /usr/bin/install -c
configure:2452: checking for gawk
configure:2479: result: gawk
configure:2579: checking for i686-elf-ar
configure:2606: result: i686-elf-ar
configure:2671: checking for i686-elf-lipo
configure:2698: result: i686-elf-lipo
configure:2763: checking for i686-elf-nm
configure:2790: result: /home/Administrator/build-gcc/./gcc/nm
configure:2855: checking for i686-elf-ranlib
configure:2882: result: i686-elf-ranlib
configure:2947: checking for i686-elf-strip
configure:2974: result: i686-elf-strip
configure:3036: checking whether ln -s works
configure:3040: result: yes
configure:3057: checking for i686-elf-gcc
configure:3084: result:  /home/Administrator/build-gcc/./gcc/xgcc -B/home/Administrator/build-gcc/./gcc/ -B/home/Administrator/opt/cross/i686-elf/bin/ -B/home/Administrator/opt/cross/i686-elf/lib/ -isystem /home/Administrator/opt/cross/i686-elf/include -isystem /home/Administrator/opt/cross/i686-elf/sys-include   
configure:3353: checking for C compiler version
configure:3362:  /home/Administrator/build-gcc/./gcc/xgcc -B/home/Administrator/build-gcc/./gcc/ -B/home/Administrator/opt/cross/i686-elf/bin/ -B/home/Administrator/opt/cross/i686-elf/lib/ -isystem /home/Administrator/opt/cross/i686-elf/include -isystem /home/Administrator/opt/cross/i686-elf/sys-include    --version >&5
xgcc (GCC) 4.9.2
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

configure:3373: $? = 0
configure:3362:  /home/Administrator/build-gcc/./gcc/xgcc -B/home/Administrator/build-gcc/./gcc/ -B/home/Administrator/opt/cross/i686-elf/bin/ -B/home/Administrator/opt/cross/i686-elf/lib/ -isystem /home/Administrator/opt/cross/i686-elf/include -isystem /home/Administrator/opt/cross/i686-elf/sys-include    -v >&5
Reading specs from /home/Administrator/build-gcc/./gcc/specs
COLLECT_GCC=/home/Administrator/build-gcc/./gcc/xgcc
COLLECT_LTO_WRAPPER=/home/Administrator/build-gcc/./gcc/lto-wrapper.exe
Target: i686-elf
Configured with: ../gcc-4.9.2/configure --target=i686-elf --prefix=/home/Administrator/opt/cross --disable-nls --enable-languages=c,c++ --without-headers
Thread model: single
gcc version 4.9.2 (GCC) 
configure:3373: $? = 0
configure:3362:  /home/Administrator/build-gcc/./gcc/xgcc -B/home/Administrator/build-gcc/./gcc/ -B/home/Administrator/opt/cross/i686-elf/bin/ -B/home/Administrator/opt/cross/i686-elf/lib/ -isystem /home/Administrator/opt/cross/i686-elf/include -isystem /home/Administrator/opt/cross/i686-elf/sys-include    -V >&5
xgcc: error: unrecognized command line option '-V'
xgcc: fatal error: no input files
compilation terminated.
configure:3373: $? = 1
configure:3362:  /home/Administrator/build-gcc/./gcc/xgcc -B/home/Administrator/build-gcc/./gcc/ -B/home/Administrator/opt/cross/i686-elf/bin/ -B/home/Administrator/opt/cross/i686-elf/lib/ -isystem /home/Administrator/opt/cross/i686-elf/include -isystem /home/Administrator/opt/cross/i686-elf/sys-include    -qversion >&5
xgcc: error: unrecognized command line option '-qversion'
xgcc: fatal error: no input files
compilation terminated.
configure:3373: $? = 1
configure:3389:  /home/Administrator/build-gcc/./gcc/xgcc -B/home/Administrator/build-gcc/./gcc/ -B/home/Administrator/opt/cross/i686-elf/bin/ -B/home/Administrator/opt/cross/i686-elf/lib/ -isystem /home/Administrator/opt/cross/i686-elf/include -isystem /home/Administrator/opt/cross/i686-elf/sys-include    -o conftest -g -O2   conftest.c  >&5
/home/Administrator/build-gcc/./gcc/as: line 106: exec: -o: invalid option
exec: usage: exec [-cl] [-a name] [command [arguments ...]] [redirection ...]
configure:3392: $? = 1
configure:3580: checking for suffix of object files
configure:3602:  /home/Administrator/build-gcc/./gcc/xgcc -B/home/Administrator/build-gcc/./gcc/ -B/home/Administrator/opt/cross/i686-elf/bin/ -B/home/Administrator/opt/cross/i686-elf/lib/ -isystem /home/Administrator/opt/cross/i686-elf/include -isystem /home/Administrator/opt/cross/i686-elf/sys-include    -c -g -O2  conftest.c >&5
/home/Administrator/build-gcc/./gcc/as: line 106: exec: -o: invalid option
exec: usage: exec [-cl] [-a name] [command [arguments ...]] [redirection ...]
configure:3606: $? = 1
configure: failed program was:
| /* confdefs.h */
| #define PACKAGE_NAME "GNU C Runtime Library"
| #define PACKAGE_TARNAME "libgcc"
| #define PACKAGE_VERSION "1.0"
| #define PACKAGE_STRING "GNU C Runtime Library 1.0"
| #define PACKAGE_BUGREPORT ""
| #define PACKAGE_URL "http://www.gnu.org/software/libgcc/"
| /* end confdefs.h.  */
| 
| int
| main ()
| {
| 
|   ;
|   return 0;
| }
configure:3620: error: in `/home/Administrator/build-gcc/i686-elf/libgcc':
configure:3623: error: cannot compute suffix of object files: cannot compile
According to

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/home/Administrator/build-gcc/./gcc/as: line 106: exec: -o: invalid option
there might be a bug??
Or: Does somebody has a working C++11 compliant gcc for x86 > i368 with libgcc and libsup++ ready to download? :P
Edit: Ah, there is a download page. I'll check that out.
Edit2: Now I got a precompiled compiler, so I don't need to make one by myself anymore :)
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Nutterts
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Re: Cannot compile libgcc

Post by Nutterts »

I know you're already using another precompiled compiler but I couldn't help wondering what went wrong. It's always nice to be able to roll your own.
Roflo wrote:/home/Administrator/build-gcc/./gcc/as: line 106: exec: -o: invalid option
Were you really sure you compiled binutils properly and that i686-elf-as & friends were in your path?
"Always code as if the guy who ends up maintaining it will be a violent psychopath who knows where you live." - John F. Woods

Failed project: GoOS - https://github.com/nutterts/GoOS
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Techel
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Re: Cannot compile libgcc

Post by Techel »

That might be the problem. Though the compiled binutils were in $path, they are not i686-elf-prefixed, for whatever reason.
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