Re: Error building i686-nptl-linux-gnu sample on Cygwin

[Dimitry Andric <dimitry at andric dot com>]

On 2010-07-15 13:40, Mastrambo wrote:
> I got an error tring to build the i686-nptl-linux-gnu sample
> configuration on Cygwin.
> 
> Attached, you can find the crosstool-ng log file.
> 
> On cygwin shell, uname -a returned
> 
> CYGWIN_NT-5.1 SSDLDT235 1.7.5(0.225/5/3) 2010-04-12 19:07 i686 Cygwin
> 
> Moreover, cygwin binutils version is 2.20.51 and gcc version is 4.3.4.
> 
> I'm a a cross-compiling newbie... can anyone help me working it out?

Looks like you are linking C++ libraries with gcc here:

[ALL  ]    i686-build_pc-cygwin-gcc  -pipe -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wcast-qual -Wold-style-definition -Wc++-compat -Wmissing-format-attribute -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H -lstdc++ -Wl,--stack,8388608 -o cc1-dummy.exe c-lang.o stub-objc.o attribs.o c-errors.o c-lex.o c-pragma.o c-decl.o c-typeck.o c-convert.o c-aux-info.o c-common.o c-opts.o c-format.o c-semantics.o c-ppoutput.o c-cppbuiltin.o c-objc-common.o c-dump.o c-pch.o c-parser.o i386-c.o c-gimplify.o tree-mudflap.o c-pretty-print.o c-omp.o dummy-checksum.o 	  main.o  libbackend.a ../libcpp/libcpp.a ../libdecnumber/libdecnumber.a ../libcpp/libcpp.a   ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a -L/home/paolo.mastrapasqua/xworkspace/targets/i686-nptl-linux-gnu/build/static/lib -lcloog -L/home/paolo.mastrapasqua/xworkspace/targets/i686-nptl-linux-gnu/build/static/lib -lppl_
c -lppl -lgmpxx  -L/home/paolo.mastrapasqua/xworkspace/targets/i686-nptl-linux-gnu/build/static/lib -L/home/paolo.mastrapasqua/xworkspace/targets/i686-nptl-linux-gnu/build/static/lib -lmpfr -lgmp
[ALL  ]    /home/paolo.mastrapasqua/xworkspace/targets/i686-nptl-linux-gnu/build/static/lib/libppl_c.a(ppl_c_BD_Shape_mpz_class.o):ppl_c_BD_Shape_mpz_class.cc:(.text+0xf6): undefined reference to `___cxa_begin_catch'

You should use "i686-build_pc-cygwin-g++" instead, or explicitly add
-lstdc++ to the LDLIBS.

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