# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Wed Sep 30 02:04:24 EET DST 1998 [metaconfig 3.0 PL70]
+# Generated on Thu Oct 22 10:24:53 EET DST 1998 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by jhi@iki.fi)
cat >/tmp/c1$$ <<EOF
d_portable=''
d_pthread_yield=''
d_sched_yield=''
+sched_yield=''
d_pthreads_created_joinable=''
d_readdir=''
d_rewinddir=''
loclibpth=''
plibpth=''
xlibpth=''
+ignore_versioned_solibs=''
libs=''
lns=''
lseeksize=''
: machines, like the mips. Usually, it should be empty.
plibpth=''
-: default library list
-libswanted=''
: Possible local include directories to search.
: Set locincpth to "" in a hint file to defeat local include searches.
locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
: Extra object files, if any, needed on this platform.
archobjs=''
groupstype=''
+: default library list
+libswanted=''
+ignore_versioned_solibs=''
: full support for void wanted by default
defvoidused=15
bsd386) osname=bsd386
osvers=`$uname -r`
;;
+ POSIX-BC | posix-bc ) osname=posix-bc
+ osvers="$3"
+ ;;
powerux | power_ux | powermax_os | powermaxos | \
powerunix | power_unix) osname=powerux
osvers="$3"
ABC.XYZ
EOT
cd ..
-echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
+if test ! -f cppstdin; then
+ echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
+else
+ echo "Keeping your $hint cppstdin wrapper."
+fi
chmod 755 cppstdin
wrapper=`pwd`/cppstdin
ok='false'
esac
for thislib in $libswanted; do
- if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`; $test -f "$xxx"; then
+ if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`;
+ $test -f "$xxx" -a "X$ignore_versioned_solibs" = "X"; then
echo "Found -l$thislib (shared)."
case " $dflt " in
*"-l$thislib "*);;
#ifdef I_INTTYPES
#include <inttypes.h>
#endif
-int64_t foo() { int64_t x; x = 7; return x; }'
+int64_t foo() { int64_t x; x = 7; return x; }
EOCP
if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
val="$define"
eval $inlibc
-: see whether the various POSIXish _yields exist within given cccmd
+: see whether the various POSIXish _yields exist
$cat >try.c <<EOP
#include <pthread.h>
+#include <stdio.h>
main() {
- YIELD();
- exit(0);
+#ifdef SCHED_YIELD
+ sched_yield();
+#else
+#ifdef PTHREAD_YIELD
+ pthread_yield();
+#else
+#ifdef PTHREAD_YIELD_NULL
+ pthread_yield(NULL);
+#endif
+#endif
+#endif
}
EOP
-: see if pthread_yield exists within given cccmd,
-: if we do not usethreads this may well end up undef.
-set try -DYIELD=pthread_yield
+: see if sched_yield exists
+set try -DSCHED_YIELD
if eval $compile; then
val="$define"
- echo 'pthread_yield() found.' >&4
+ sched_yield='sched_yield()'
else
val="$undef"
- echo 'pthread_yield() NOT found.' >&4
fi
-set d_pthread_yield
+case "$usethreads" in
+$define)
+ case "$val" in
+ $define) echo 'sched_yield() found.' >&4 ;;
+ *) echo 'sched_yield() NOT found.' >&4 ;;
+ esac
+esac
+set d_sched_yield
eval $setvar
-: see if sched_yield exists within given cccmd,
-: if we do not usethreads this may well end up undef.
-set try -DYIELD=sched_yield
+: see if pthread_yield exists
+set try -DPTHREAD_YIELD
if eval $compile; then
val="$define"
- echo 'sched_yield() found.' >&4
+ case "$sched_yield" in
+ '') sched_yield='pthread_yield()' ;;
+ esac
else
- val="$undef"
- echo 'sched_yield() NOT found.' >&4
+ set try -DPTHREAD_YIELD_NULL
+ if eval $compile; then
+ val="$define"
+ case "$sched_yield" in
+ '') sched_yield='pthread_yield(NULL)' ;;
+ esac
+ else
+ val="$undef"
+ fi
fi
-set d_sched_yield
+case "$usethreads" in
+$define)
+ case "$val" in
+ $define) echo 'pthread_yield() found.' >&4 ;;
+ *) echo 'pthread_yield() NOT found.' >&4 ;;
+ esac
+ ;;
+esac
+set d_pthread_yield
eval $setvar
+
+case "$sched_yield" in
+'') sched_yield=undef ;;
+esac
+
$rm -f try try.*
: test whether pthreads are created in joinable -- aka undetached -- state
int detachstate;
printf("%s\n",
pthread_attr_init(&attr) == 0 &&
+#if PTHREAD_ATTR_GETDETACHSTATE_INT
+ pthread_attr_getdetachstate(&attr) == 0 &&
+#else
pthread_attr_getdetachstate(&attr, &detachstate) == 0 &&
+#endif
detachstate == PTHREAD_CREATE_DETACHED ?
"detached" : "joinable");
exit(0);
*) echo "Yup, they are." >&4 ;;
esac
else
- echo " "
- echo "(I can't execute the test program--assuming they are.)" >&4
- yyy=joinable
+ set try -DPTHREAD_ATTR_GETDETACHSTATE_INT
+ if eval $compile; then
+ yyy=`./try`
+ case "$yyy" in
+ detached) echo "Nope, they aren't." >&4 ;;
+ *) echo "Yup, they are." >&4 ;;
+ esac
+ else
+ echo " "
+ echo "(I can't execute the test program--assuming they are.)" >&4
+ yyy=joinable
+ fi
fi
$rm -f try try.*
case "$yyy" in
: The first arg can be int, unsigned, or size_t
: The last arg may or may not be 'const'
val=''
- for xxx in 'fd_set *' 'int *'; do
- for nfd in 'int' 'size_t' 'unsigned' ; do
+ for xxx in 'fd_set *' 'int *' 'void *'; do
+ for nfd in 'int' 'size_t' 'unsigned long' 'unsigned' ; do
for tmo in 'struct timeval *' 'const struct timeval *'; do
case "$val" in
'') try="extern select _(($nfd, $xxx, $xxx, $xxx, $tmo));"
#include <sys/select.h>
#endif
#include <stdio.h>
-#define S sizeof($selecttype)
+$selecttype b;
+#define S sizeof(*(b))
#define MINBITS 64
#define NBYTES (S * 8 > MINBITS ? S : MINBITS/8)
#define NBITS (NBYTES * 8)
int main() {
char s[NBYTES];
- $selecttype b;
struct timeval t;
int i;
FILE* fp;
if eval $compile_ok; then
selectminbits=`./try`
case "$selectminbits" in
+ '') cat >&4 <<EOM
+Cannot figure out on how many bits at a time your select() operates.
+I'll play safe and guess it is 32 bits.
+EOM
+ selectminbits=32
+ bits="32 bits"
+ ;;
1) bits="1 bit" ;;
*) bits="$selectminbits bits" ;;
esac
i_varargs='$i_varargs'
i_varhdr='$i_varhdr'
i_vfork='$i_vfork'
+ignore_versioned_solibs='$ignore_versioned_solibs'
incpath='$incpath'
inews='$inews'
installarchlib='$installarchlib'
rm='$rm'
rmail='$rmail'
runnm='$runnm'
+sched_yield='$sched_yield'
scriptdir='$scriptdir'
scriptdirexp='$scriptdirexp'
sed='$sed'
projects / p5sagit/p5-mst-13.2.git / blobdiff