On Tue, 30 Mar 2010, Natanael Copa wrote:
> and with m4-1.4.14 i get this:
>
> In file included from pipe.c:48:
> ./spawn.h:112: error: field '_sp' has incomplete type
> make[3]: *** [pipe.o] Error 1
This sounds like a problem I've had on my own system, which is
threadless. So linuxthreads has nothing to do with it.
My local patch to m4, supressing the bug, is appended. The comment next
to the conditional I've spiked makes it clear what is going on.
Apparently, glibc's headers expose the full definition of "struct
sched_param" in cases not required by the standard, and gnulib attempts to
optimize based on this. uClibc does not share glibc's behavior in this one
case, but since it defines __GLIBC__, gnulib sees no need for caution.
---- Michael Deutschmann <mich...@talamasca.ocis.net>
diff -durpN m4-1.4.14/lib/spawn.in.h m4-1.4.14-ucfix/lib/spawn.in.h
--- m4-1.4.14/lib/spawn.in.h 2010-01-28 05:04:07.000000000 -0800
+++ m4-1.4.14-ucfix/lib/spawn.in.h 2010-02-27 23:10:41.000000000 -0800
@@ -31,7 +31,7 @@
/* Get definitions of 'struct sched_param' and 'sigset_t'.
But avoid namespace pollution on glibc systems. */
-#ifndef __GLIBC__
+#if 1
# include <sched.h>
# include <signal.h>
#endif
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