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?RCS:
?RCS: Copyright (c) 2013 Raphael Manfredi
?RCS:
?RCS: You may redistribute only under the terms of the Artistic License,
?RCS: as specified in the README file that comes with the distribution.
?RCS: You may reuse parts of this distribution only within the terms of
?RCS: that same Artistic License; a copy of which may be found at the root
?RCS: of the source tree for dist 4.0.
?RCS:
?MAKE:d_fsync: Trylink cat i_unistd
?MAKE: -pick add $@ %<
?S:d_fsync:
?S: This variable conditionally defines the HAS_FSYNC symbol, which
?S: indicates to the C program that the fsync() routine is available
?S: to synchronize a file's in-core state with the storage device.
?S:.
?C:HAS_FSYNC:
?C: This symbol, if defined, indicates that the fsync routine is available
?C: to synchronize a file's in-core state with the storage device.
?C:.
?H:#$d_fsync HAS_FSYNC /**/
?H:.
?LINT:set d_fsync
: see if fsync exists
$cat >try.c <<EOC
#include <sys/types.h>
#$i_unistd I_UNISTD
#ifdef I_UNISTD
#include <unistd.h>
#endif
int main(void)
{
static int ret, fd;
ret |= fsync(fd);
return ret ? 0 : 1;
}
EOC
cyn=fsync
set d_fsync
eval $trylink
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