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[PATCH] fix gcc -std=c89 in <sys/signal.h>


On latest Cygwin:

$ echo "#include <sys/signal.h>" > test.c
$ gcc -c test.c
$ gcc -c -std=c89 test.c
In file included from /usr/include/sys/signal.h:107,
from test.c:1:
/usr/include/cygwin/signal.h:74: error: expected specifier-qualifier-list before 'pthread_attr_t'
/usr/include/cygwin/signal.h:80: error: expected specifier-qualifier-list before '__uint32_t'
/usr/include/cygwin/signal.h:96: error: expected specifier-qualifier-list before 'pid_t'
/usr/include/cygwin/signal.h:270: error: expected ')' before 'int'
In file included from test.c:1:
/usr/include/sys/signal.h:152: error: expected ')' before 'int'


The problem is that both <cygwin/signal.h> and an (__CYGWIN__ || __rtems__) section of <sys/signal.h> need those typedefs from <sys/types.h>, but the latter is only #include'd #ifdef _POSIX_THREADS, which is off in C89 mode.

Patch attached.


Yaakov Cygwin/X

Attachment: newlib-sys-signal-c89.patch
Description: Text document


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