[RTEMS Project] #3061: including 'unistd.h' in C++ does not build.

[RTEMS trac]

#3061: including 'unistd.h' in C++ does not build.
-------------------------+-----------------------
 Reporter:  Chris Johns  |       Owner:  chrisj@…
     Type:  defect       |      Status:  new
 Priority:  highest      |   Milestone:  4.12.0
Component:  tools        |     Version:  4.12
 Severity:  blocker      |  Resolution:
 Keywords:               |
-------------------------+-----------------------
Description changed by Chris Johns:

Old description:

> Including `unistd.h` in a C++ program does not compile:
>
> {{{
> $ /opt/work/rtems/4.12/bin/arm-rtems4.12-g++ -B/opt/work/rtems/4.12/arm-
> rtems4.12/xilinx_zynq_zc706/lib -B/opt/work/si/rtems/4.12/arm-
> rtems4.12/xilinx_zynq_zc706/lib -specs bsp_specs -qrtems -march=armv7-a
> -mthumb -mfpu=neon -mfloat-abi=hard -mtune=cortex-a9 -g -O2 u.cpp
> In file included from /opt/work/rtems/4.12/arm-
> rtems4.12/include/sys/_pthreadtypes.h:24:0,
>                  from /opt/work/rtems/4.12/arm-
> rtems4.12/include/sys/types.h:239,
>                  from /opt/work/rtems/4.12/arm-
> rtems4.12/include/sys/unistd.h:12,
>                  from /opt/work/rtems/4.12/arm-
> rtems4.12/include/unistd.h:4,
>                  from u.cpp:6:
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function
> 'void CPU_AND_S(size_t, cpu_set_t*, const cpu_set_t*, const cpu_set_t*)':
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:147:3: error:
> 'BIT_AND2' was not declared in this scope
>    BIT_AND2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
>    ^~~~~~~~
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:147:3: note:
> suggested alternative: 'BIT_AND'
>    BIT_AND2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
>    ^~~~~~~~
>    BIT_AND
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function
> 'void CPU_OR_S(size_t, cpu_set_t*, const cpu_set_t*, const cpu_set_t*)':
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:159:3: error:
> 'BIT_OR2' was not declared in this scope
>    BIT_OR2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
>    ^~~~~~~
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:159:3: note:
> suggested alternative: 'BIT_OR'
>    BIT_OR2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
>    ^~~~~~~
>    BIT_OR
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function
> 'void CPU_XOR_S(size_t, cpu_set_t*, const cpu_set_t*, const cpu_set_t*)':
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:171:3: error:
> 'BIT_XOR2' was not declared in this scope
>    BIT_XOR2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
>    ^~~~~~~~
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:171:3: note:
> suggested alternative: 'BIT_OR'
>    BIT_XOR2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
>    ^~~~~~~~
>    BIT_OR
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function
> 'void CPU_NAND_S(size_t, cpu_set_t*, const cpu_set_t*, const
> cpu_set_t*)':
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:183:3: error:
> 'BIT_NAND2' was not declared in this scope
>    BIT_NAND2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
>    ^~~~~~~~~
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:183:3: note:
> suggested alternative: 'BIT_NAND'
>    BIT_NAND2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
>    ^~~~~~~~~
>    BIT_NAND
> In file included from /opt/work/rtems/4.12/arm-
> rtems4.12/include/sys/cpuset.h:46:0,
>                  from /opt/work/rtems/4.12/arm-
> rtems4.12/include/sys/_pthreadtypes.h:24,
>                  from /opt/work/rtems/4.12/arm-
> rtems4.12/include/sys/types.h:239,
>                  from /opt/work/rtems/4.12/arm-
> rtems4.12/include/sys/unistd.h:12,
>                  from /opt/work/rtems/4.12/arm-
> rtems4.12/include/unistd.h:4,
>                  from u.cpp:6:
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function 'int
> CPU_COUNT_S(size_t, const cpu_set_t*)':
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:194:10: error:
> '__bitcountl' was not declared in this scope
>    return BIT_COUNT(_cpu_set_bits(setsize), set);
>           ^
> /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:194:10: note:
> suggested alternative: '__count'
> }}}

New description:

 Including `unistd.h` in a C++ program does not compile with the RSB for
 today:

 {{{
 $ /opt/work/rtems/4.12/bin/arm-rtems4.12-g++ -B/opt/work/rtems/4.12/arm-
 rtems4.12/xilinx_zynq_zc706/lib -B/opt/work/si/rtems/4.12/arm-
 rtems4.12/xilinx_zynq_zc706/lib -specs bsp_specs -qrtems -march=armv7-a
 -mthumb -mfpu=neon -mfloat-abi=hard -mtune=cortex-a9 -g -O2 u.cpp
 In file included from /opt/work/rtems/4.12/arm-
 rtems4.12/include/sys/_pthreadtypes.h:24:0,
                  from /opt/work/rtems/4.12/arm-
 rtems4.12/include/sys/types.h:239,
                  from /opt/work/rtems/4.12/arm-
 rtems4.12/include/sys/unistd.h:12,
                  from /opt/work/rtems/4.12/arm-
 rtems4.12/include/unistd.h:4,
                  from u.cpp:6:
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function 'void
 CPU_AND_S(size_t, cpu_set_t*, const cpu_set_t*, const cpu_set_t*)':
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:147:3: error:
 'BIT_AND2' was not declared in this scope
    BIT_AND2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
    ^~~~~~~~
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:147:3: note:
 suggested alternative: 'BIT_AND'
    BIT_AND2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
    ^~~~~~~~
    BIT_AND
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function 'void
 CPU_OR_S(size_t, cpu_set_t*, const cpu_set_t*, const cpu_set_t*)':
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:159:3: error:
 'BIT_OR2' was not declared in this scope
    BIT_OR2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
    ^~~~~~~
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:159:3: note:
 suggested alternative: 'BIT_OR'
    BIT_OR2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
    ^~~~~~~
    BIT_OR
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function 'void
 CPU_XOR_S(size_t, cpu_set_t*, const cpu_set_t*, const cpu_set_t*)':
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:171:3: error:
 'BIT_XOR2' was not declared in this scope
    BIT_XOR2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
    ^~~~~~~~
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:171:3: note:
 suggested alternative: 'BIT_OR'
    BIT_XOR2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
    ^~~~~~~~
    BIT_OR
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function 'void
 CPU_NAND_S(size_t, cpu_set_t*, const cpu_set_t*, const cpu_set_t*)':
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:183:3: error:
 'BIT_NAND2' was not declared in this scope
    BIT_NAND2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
    ^~~~~~~~~
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:183:3: note:
 suggested alternative: 'BIT_NAND'
    BIT_NAND2(_cpu_set_bits(setsize), destset, srcset1, srcset2);
    ^~~~~~~~~
    BIT_NAND
 In file included from /opt/work/rtems/4.12/arm-
 rtems4.12/include/sys/cpuset.h:46:0,
                  from /opt/work/rtems/4.12/arm-
 rtems4.12/include/sys/_pthreadtypes.h:24,
                  from /opt/work/rtems/4.12/arm-
 rtems4.12/include/sys/types.h:239,
                  from /opt/work/rtems/4.12/arm-
 rtems4.12/include/sys/unistd.h:12,
                  from /opt/work/rtems/4.12/arm-
 rtems4.12/include/unistd.h:4,
                  from u.cpp:6:
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h: In function 'int
 CPU_COUNT_S(size_t, const cpu_set_t*)':
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:194:10: error:
 '__bitcountl' was not declared in this scope
    return BIT_COUNT(_cpu_set_bits(setsize), set);
           ^
 /opt/work/rtems/4.12/arm-rtems4.12/include/sys/cpuset.h:194:10: note:
 suggested alternative: '__count'
 }}}

--

--
Ticket URL: <http://devel.rtems.org/ticket/3061#comment:1>
RTEMS Project <http://www.rtems.org/>
RTEMS Project