crosstool-ng powerpc with libstdc++ build error: Link tests are not allowed after GCC_NO_EXECUTABLES

[Will Wagner]

Hello,

I am having difficulty building a powerpc toolchain with crosstool 1.18.0

I am using:
- binutils 2.22
- gcc 4.7.2
- eglibc 2.17

The toolchain builds fine with no C++ support. However with C++ support 
it goes wrong when trying to configure libstdc++.

Snippet of the libstdc++ config.log is:

configure:8968: checking if 
/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/xgcc 
-B/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/ 
-B/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/bin/ 
-B/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/lib/ 
-isystem 
/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/include 
-isystem 
/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/sys-include 
supports -c -o file.o
configure:9015: result: yes
configure:9048: checking whether the 
/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/xgcc 
-B/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/ 
-B/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/bin/ 
-B/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/lib/ 
-isystem 
/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/include 
-isystem 
/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/sys-include 
linker 
(/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/collect-ld) 
supports shared libraries
configure:10128: result: yes
configure:10165: checking whether -lc should be explicitly linked in
configure:10173: 
/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/xgcc 
-B/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/ 
-B/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/bin/ 
-B/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/lib/ 
-isystem 
/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/include 
-isystem 
/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/sys-include 
-c -g -Os  conftest.c >&5
configure:10176: $? = 0
configure:10191: 
/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/xgcc 
-B/home/willw/development/etc_builder/toolchain/pacp/.build/powerpc-pacp-linux-gnu/build/build-cc-final/./gcc/ 
-B/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/bin/ 
-B/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/lib/ 
-isystem 
/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/include 
-isystem 
/home/willw/development/etc_builder/toolchain/powerpc-pacp-linux-gnu/powerpc-pacp-linux-gnu/sys-include 
-shared conftest.o  -v -Wl,-soname -Wl,conftest -o conftest 2\>\&1 \| 
/home/willw/development/etc_builder/toolchain/pacp/.build/tools/bin/grep 
-lc  \>/dev/null 2\>\&1
configure:10194: $? = 0
configure:10208: result: no
configure:10373: checking dynamic linker characteristics
configure:10814: error: Link tests are not allowed after GCC_NO_EXECUTABLES.

Have found lots of post of people who have something similar but nothing 
quite the same. Seems that mips/powerpc sees this issue.

Anyone able to offer an suggestions?

Thanks
Will

-- 
------------------------------------------------------------------------
Will Wagner                                     will_wagner@carallon.com
Development Manager                      Office Tel: +44 (0)20 7371 2032
Carallon Ltd, Studio G20, Shepherds Building, Rockley Rd, London W14 0DA
------------------------------------------------------------------------



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