psxfenv01 fails to compile for RISCV

[Jiri Gaisler]

On 11/9/19 7:57 PM, Joel Sherrill wrote:
>
>
> On Sat, Nov 9, 2019, 12:40 PM Jiri Gaisler <jiri at gaisler.se
> <mailto:jiri at gaisler.se>> wrote:
>
>     I get this error for psxfenv01 with the latest RTEMS and RSB build:
>
>     riscv-rtems5-gcc -DHAVE_CONFIG_H -I.
>     -I/home/jiri/ibm/src/rtems/rtems/c/src/../../testsuites/psxtests   -I.
>     -I/home/jiri/src/rtems/riscvmp/riscv-rtems5/c/griscv/include
>     -I/home/jiri/ibm/src/rtems/rtems/cpukit/include
>     -I/home/jiri/ibm/src/rtems/rtems/cpukit/score/cpu/riscv/include
>     -I/home/jiri/src/rtems/riscvmp/riscv-rtems5/c/griscv/lib/libbsp/riscv/griscv/include
>     -I/home/jiri/ibm/src/rtems/rtems/bsps/include
>     -I/home/jiri/ibm/src/rtems/rtems/bsps/riscv/include
>     -I/home/jiri/ibm/src/rtems/rtems/bsps/riscv/griscv/include
>     -DT_FILE_NAME='"init.c"' 
>     -I/home/jiri/ibm/src/rtems/rtems/c/src/../../testsuites/psxtests/../support/include  
>     -march=rv32imafd -mabi=ilp32d -O2 -g -ffunction-sections
>     -fdata-sections
>     -Wall -Wmissing-prototypes -Wimplicit-function-declaration
>     -Wstrict-prototypes -Wnested-externs -MT
>     psxfenv01/psxfenv01-init.o -MD
>     -MP -MF psxfenv01/.deps/psxfenv01-init.Tpo -c -o
>     psxfenv01/psxfenv01-init.o `test -f 'psxfenv01/init.c' || echo
>     '/home/jiri/ibm/src/rtems/rtems/c/src/../../testsuites/psxtests/'`psxfenv01/init.c
>     In file included from
>     /home/jiri/src/rtems/5/riscv-rtems5/include/fenv.h:15,
>                      from
>     /home/jiri/ibm/src/rtems/rtems/c/src/../../testsuites/psxtests/psxfenv01/init.c:42:
>     /home/jiri/ibm/src/rtems/rtems/c/src/../../testsuites/psxtests/psxfenv01/init.c:
>     In function 'Init':
>     /home/jiri/ibm/src/rtems/rtems/c/src/../../testsuites/psxtests/psxfenv01/init.c:71:18:
>     error: 'fe_dfl_env_p' undeclared (first use in this function); did you
>     mean 'fe_dfl_env'?
>        71 |     r = fesetenv(FE_DFL_ENV);
>           |                  ^~~~~~~~~~
>     /home/jiri/ibm/src/rtems/rtems/c/src/../../testsuites/psxtests/psxfenv01/init.c:71:18:
>     note: each undeclared identifier is reported only once for each
>     function
>     it appears in
>     Makefile:10569: recipe for target 'psxfenv01/psxfenv01-init.o' failed
>     make[5]: *** [psxfenv01/psxfenv01-init.o] Error 1
>     make[5]: Leaving directory
>     '/home/jiri/src/rtems/riscvmp/riscv-rtems5/c/griscv/testsuites/psxtests'
>     Makefile:663: recipe for target 'psxtests' failed
>     make[4]: *** [psxtests] Error 2
>     make[4]: Leaving directory
>     '/home/jiri/src/rtems/riscvmp/riscv-rtems5/c/griscv/testsuites'
>     Makefile:1222: recipe for target 'testsuites' failed
>     make[3]: *** [testsuites] Error 2
>     make[3]: Leaving directory
>     '/home/jiri/src/rtems/riscvmp/riscv-rtems5/c/griscv'
>     Makefile:716: recipe for target 'all-recursive' failed
>     make[2]: *** [all-recursive] Error 1
>     make[2]: Leaving directory
>     '/home/jiri/src/rtems/riscvmp/riscv-rtems5/c/griscv'
>     Makefile:289: recipe for target 'all-recursive' failed
>     make[1]: *** [all-recursive] Error 1
>     make[1]: Leaving directory
>     '/home/jiri/src/rtems/riscvmp/riscv-rtems5/c'
>     Makefile:410: recipe for target 'all-recursive' failed
>     make: *** [all-recursive] Error 1
>     jiri at office:~/src/rtems/riscvmp$
>
>
> I thought I fixed this in the upstream newlib. 
>
> https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;a=commit;h=9e06ba1ac310c5a2392bb9d150e4686bbb118d6c
>
> Either I didn't really fix it or your newlib is a bit old. 
>
> Did Sebastian bump 5's newlib recently? I recall a binutils bump.
>
>
My RSB is in sync with git head, and I rebuilt the tool-chain 2 hours
ago. The installed fenv.h for RISCV ends with:


typedef size_t fenv_t;
typedef size_t fexcept_t;
extern const fenv_t fe_dfl_env;
#define FE_DFL_ENV fe_dfl_env_p

#endif /* _FENV_H_ */
                                    

fe_dfl_env_p seems to be missing it's declaration ...?


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