Re: Help needed to buid GCC for NEC V850

[Kai Ruottu <kai.ruottu@wippies.com>]

gowrisankar loganathan wrote:

> $ make
>  
> now I got the error as 
>  
> gcc -c -DHAVE_CONFIG_H -g -O2 -I. -I../../Gcc_Source/gcc-4.3.3/libiberty/../incl
> ude  -W -Wall -Wwrite-strings -Wstrict-prototypes -pedantic  ../../Gcc_Source/gc
> c-4.3.3/libiberty/pex-unix.c -o pex-unix.o
<snip>
> ./../Gcc_Source/gcc-4.3.3/libiberty/pex-unix.c: In function `pex_unix_fdopenw':
> ./../Gcc_Source/gcc-4.3.3/libiberty/pex-unix.c:518: warning: implicit declarati
> on of function `fcntl'
> ./../Gcc_Source/gcc-4.3.3/libiberty/pex-unix.c:518: error: `F_SETFD' undeclared
>  (first use in this function)
> ./../Gcc_Source/gcc-4.3.3/libiberty/pex-unix.c:518: error: (Each undeclared ide
> ntifier is reported only once
> ./../Gcc_Source/gcc-4.3.3/libiberty/pex-unix.c:518: error: for each function it
>  appears in.)
> ./../Gcc_Source/gcc-4.3.3/libiberty/pex-unix.c:518: error: `FD_CLOEXEC' undecla
> red (first use in this function)
>  
> Can any one help me to fix the issue.

Just look in which standard C headers for Cygwin these are now
declared, if in any... Then why this headers wasn't seen in the
libiberty/configure. The '$build/libiberty/config.log' should
give some hint...


My old Cygwin toolchain had these in 'sys/fcntl.h'...