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-rwxr-xr-xConfigure52
1 files changed, 51 insertions, 1 deletions
diff --git a/Configure b/Configure
index ec9f940d5c..89df03f37f 100755
--- a/Configure
+++ b/Configure
@@ -20,7 +20,7 @@
# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Wed Nov 1 16:26:50 EET 2000 [metaconfig 3.0 PL70]
+# Generated on Sat Nov 4 01:58:40 EET 2000 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.org)
cat >/tmp/c1$$ <<EOF
@@ -348,6 +348,7 @@ d_endsent=''
d_fchmod=''
d_fchown=''
d_fcntl=''
+d_fcntl_can_lock=''
d_fd_macros=''
d_fd_set=''
d_fds_bits=''
@@ -8848,6 +8849,54 @@ eval $inlibc
set fcntl d_fcntl
eval $inlibc
+echo " "
+: See if fcntl-based locking works.
+$cat >try.c <<'EOCP'
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+int main() {
+#if defined(F_SETLK) && defined(F_SETLKW)
+ struct flock flock;
+ int retval, fd;
+ fd = open("try.c", O_RDONLY);
+ flock.l_type = F_RDLCK;
+ flock.l_whence = SEEK_SET;
+ flock.l_start = flock.l_len = 0;
+ retval = fcntl(fd, F_SETLK, &flock);
+ close(fd);
+ (retval < 0 ? exit(2) : exit(0));
+#else
+ exit(2);
+#endif
+}
+EOCP
+echo "Checking if fcntl-based file locking works... "
+case "$d_fcntl" in
+"$define")
+ set try
+ if eval $compile_ok; then
+ if ./try; then
+ echo "Yes, it seems to work."
+ val="$define"
+ else
+ echo "Nope, it didn't work."
+ val="$undef"
+ fi
+ else
+ echo "I'm unable to compile the test program, so I'll assume not."
+ val="$undef"
+ fi
+ ;;
+*) val="$undef";
+ echo "Nope, since you don't even have fcntl()."
+ ;;
+esac
+set d_fcntl_can_lock
+eval $setvar
+$rm -f try*
+
+
hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift;
while $test $# -ge 2; do
case "$1" in
@@ -15470,6 +15519,7 @@ d_eunice='$d_eunice'
d_fchmod='$d_fchmod'
d_fchown='$d_fchown'
d_fcntl='$d_fcntl'
+d_fcntl_can_lock='$d_fcntl_can_lock'
d_fd_macros='$d_fd_macros'
d_fd_set='$d_fd_set'
d_fds_bits='$d_fds_bits'