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Re: Help needed : /usr/include/c++/7.2.0/bits/std_abs.h:55:26: error: use of undeclared identifier '__builtin_labs'
- From: Jack Andrews <effbiae at gmail dot com>
- To: fei phung <feiphung27 at gmail dot com>
- Cc: gcc-help at gcc dot gnu dot org
- Date: Tue, 17 Apr 2018 15:45:56 +1000
- Subject: Re: Help needed : /usr/include/c++/7.2.0/bits/std_abs.h:55:26: error: use of undeclared identifier '__builtin_labs'
- References: <CAF8QhUi+aPDQHTiJ8nzRg+X0MUPtO94cqGG2L+iu=Tt8wnLXxA@mail.gmail.com>
your makefile is using i++ as the compiler:
>
i++ main.cpp yuv2rgb.cpp -I"/usr/include/c++/7.2.0"
-I"/opt/intelFPGA/17.1/hls/bin//i++/include"
-I"/usr/include/x86_64-linux-gnu/c++/7.2.0"
-march=x86-64 -o test-x86-64
On 17 April 2018 at 14:32, fei phung <feiphung27@gmail.com> wrote:
> could anyone advise about gcc header issue at
> https://paste.ubuntu.com/p/jHgrChvyjJ/ ? there is no solution for this
> similar problem online.
>
>
> phung@UbuntuHW15:~/Documents/fpga_overlay/hls_source_code_32-bit/YUV2RGB$
> make clean && make
> rm -rfv test-gpp test-gpp.prj test-fpga test-fpga.prj test-x86-64
> test-x86-64.prj
> No target specified, defaulting to test-x86-64
> Available targets: test-x86-64, test-fpga, test-gpp, clean
>
> i++ main.cpp yuv2rgb.cpp -I"/usr/include/c++/7.2.0"
> -I"/opt/intelFPGA/17.1/hls/bin//i++/include"
>
> -I"/usr/include/x86_64-linux-gnu/c++/7.2.0" -march=x86-64 -o test-x86-64
> In file included from main.cpp:2:
> In file included from /usr/include/c++/7.2.0/stdlib.h:36:
> In file included from /usr/include/c++/7.2.0/cstdlib:76:
> /usr/include/c++/7.2.0/bits/std_abs.h:55:26: error: use of undeclared
> identifier '__builtin_labs'
> abs(long __i) { return __builtin_labs(__i); }
> ^
> /usr/include/c++/7.2.0/bits/std_abs.h:60:31: error: use of undeclared
> identifier '__builtin_llabs'
> abs(long long __x) { return __builtin_llabs (__x); }
> ^
> In file included from main.cpp:4:
> /usr/include/malloc.h:38:14: error: declaration conflicts with target of
> using declaration already in scope
> extern void *malloc (size_t __size) __THROW __attribute_malloc__ __wur;
> ^
> /usr/include/stdlib.h:466:14: note: target of using declaration
> extern void *malloc (size_t __size) __THROW __attribute_malloc__ __wur;
> ^
> /usr/include/c++/7.2.0/stdlib.h:65:12: note: using declaration
> using std::malloc;
> ^
> In file included from main.cpp:4:
> /usr/include/malloc.h:41:14: error: declaration conflicts with target of
> using declaration already in scope
> extern void *calloc (size_t __nmemb, size_t __size)
> ^
> /usr/include/stdlib.h:468:14: note: target of using declaration
> extern void *calloc (size_t __nmemb, size_t __size)
> ^
> /usr/include/c++/7.2.0/stdlib.h:59:12: note: using declaration
> using std::calloc;
> ^
> In file included from main.cpp:4:
> /usr/include/malloc.h:49:14: error: declaration conflicts with target of
> using declaration already in scope
> extern void *realloc (void *__ptr, size_t __size)
> ^
> /usr/include/stdlib.h:480:14: note: target of using declaration
> extern void *realloc (void *__ptr, size_t __size)
> ^
> /usr/include/c++/7.2.0/stdlib.h:73:12: note: using declaration
> using std::realloc;
> ^
> In file included from main.cpp:4:
> /usr/include/malloc.h:53:13: error: declaration conflicts with target of
> using declaration already in scope
> extern void free (void *__ptr) __THROW;
> ^
> /usr/include/stdlib.h:483:13: note: target of using declaration
> extern void free (void *__ptr) __THROW;
> ^
> /usr/include/c++/7.2.0/stdlib.h:61:12: note: using declaration
> using std::free;
> ^
> 6 errors generated.
> HLS x86-64 compile FAILED.
> Makefile:40: recipe for target 'test-x86-64' failed
> make: *** [test-x86-64] Error 1
> phung@UbuntuHW15:~/Documents/fpga_overlay/hls_source_code_32-bit/YUV2RGB$
>