Crosscompiling C++ for powerpc64le fails

[Tobias Platen <trisquel@platen-software.de>]

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Hello,

Im trying to cross compile basic GNU software such as bash and coreutils
for powerpc.

When building mpfr the build fails using the message above. I guess I
have to specify the include paths for glibc to the configure script,
since headers won't be found in /usr/include

Tobias



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configure:10515: checking C++ compiler powerpc64le-linux-g++  -m64  -O3
Test compile: 
configure:10529: powerpc64le-linux-g++  -m64  -O3 conftest.cc >&5
configure:10532: $? = 0
Test compile: namespace
configure:10569: powerpc64le-linux-g++  -m64  -O3 conftest.cc >&5
configure:10572: $? = 0
Test compile: std iostream
configure:10615: powerpc64le-linux-g++  -m64  -O3 conftest.cc >&5
In file included from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/ext/string_conversions.h:41:0,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/bits/basic_string.h:6361,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/string:52,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/bits/locale_classes.h:40,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/bits/ios_base.h:41,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/ios:42,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/ostream:38,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/iostream:39,
                 from conftest.cc:3:
/gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/cstdlib:75:15: fatal error: stdlib.h: No such file or directory
 #include_next <stdlib.h>
               ^~~~~~~~~~
compilation terminated.
configure:10618: $? = 1
failed program was:
/* This test rejects g++ 2.7.2 which doesn't have <iostream>, only a
    pre-standard iostream.h. */
#include <iostream>

/* This test rejects OSF 5.1 Compaq C++ in its default pre-standard iostream
   mode, since that mode puts cout in the global namespace, not "std".  */
void someoutput (void) { std::cout << 123; }

int main (void) { return 0; }
configure:10644: result: no, std iostream
configure:10515: checking C++ compiler powerpc64le-linux-g++  -g -O2
Test compile: 
configure:10529: powerpc64le-linux-g++  -g -O2 conftest.cc >&5
configure:10532: $? = 0
Test compile: namespace
configure:10569: powerpc64le-linux-g++  -g -O2 conftest.cc >&5
configure:10572: $? = 0
Test compile: std iostream
configure:10615: powerpc64le-linux-g++  -g -O2 conftest.cc >&5
In file included from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/ext/string_conversions.h:41:0,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/bits/basic_string.h:6361,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/string:52,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/bits/locale_classes.h:40,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/bits/ios_base.h:41,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/ios:42,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/ostream:38,
                 from /gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/iostream:39,
                 from conftest.cc:3:
/gnu/store/l2gp3b9qfz2bwp0wcg7qz1xdgky8mfxr-gcc-cross-powerpc64le-linux-7.4.0/include/c++/cstdlib:75:15: fatal error: stdlib.h: No such file or directory
 #include_next <stdlib.h>
               ^~~~~~~~~~
compilation terminated.
configure:10618: $? = 1
failed program was:
/* This test rejects g++ 2.7.2 which doesn't have <iostream>, only a
    pre-standard iostream.h. */
#include <iostream>

/* This test rejects OSF 5.1 Compaq C++ in its default pre-standard iostream
   mode, since that mode puts cout in the global namespace, not "std".  */
void someoutput (void) { std::cout << 123; }

int main (void) { return 0; }
configure:10644: result: no, std iostream
configure:10660: error: C++ compiler not available, see config.log for details