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Configuration test for working getc_unlocked() (and flockfile() and

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funlockfile()).
This commit is contained in:
Guido van Rossum 2001-01-05 14:45:49 +00:00
parent 4795524101
commit cadfaeca7f
4 changed files with 64 additions and 4 deletions
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3
acconfig.h
View file

@ -32,6 +32,9 @@
/* Define this if your time.h defines altzone */
#undef HAVE_ALTZONE
/* Define this if you have flockfile(), getc_unlocked(), and funlockfile() */
#undef HAVE_GETC_UNLOCKED
/* Define this if you have gethostbyname() */
#undef HAVE_GETHOSTBYNAME

3
config.h.in
View file

@ -97,6 +97,9 @@
/* Define this if your time.h defines altzone */
#undef HAVE_ALTZONE
/* Define this if you have flockfile(), getc_unlocked(), and funlockfile() */
#undef HAVE_GETC_UNLOCKED
/* Define this if you have some version of gethostbyname_r() */
#undef HAVE_GETHOSTBYNAME_R

48
configure vendored
View file

@ -1,6 +1,6 @@
#! /bin/sh
# From configure.in Revision: 1.180
# From configure.in Revision: 1.182
# Guess values for system-dependent variables and create Makefiles.
# Generated automatically using autoconf version 2.13
@ -5948,6 +5948,46 @@ EOF
fi
# check for getc_unlocked and related locking functions
echo $ac_n "checking for getc_unlocked() and friends""... $ac_c" 1>&6
echo "configure:5954: checking for getc_unlocked() and friends" >&5
if eval "test \"`echo '$''{'ac_cv_have_getc_unlocked'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 5960 "configure"
#include "confdefs.h"
#include <stdio.h>
int main() {
FILE *f = fopen("/dev/null", "r");
flockfile(f);
getc_unlocked(f);
funlockfile(f);
; return 0; }
EOF
if { (eval echo configure:5972: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
rm -rf conftest*
ac_cv_have_getc_unlocked=yes
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
ac_cv_have_getc_unlocked=no
fi
rm -f conftest*
fi
echo "$ac_t""$ac_cv_have_getc_unlocked" 1>&6
if test "$ac_cv_have_getc_unlocked" = yes
then
cat >> confdefs.h <<\EOF
#define HAVE_GETC_UNLOCKED 1
EOF
fi
# THIS MUST BE LAST, IT CAN BREAK OTHER TESTS!
# Add sys/socket.h to confdefs.h
@ -5957,12 +5997,12 @@ cat >> confdefs.h <<\EOF
#endif
EOF
echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
echo "configure:5961: checking for socklen_t" >&5
echo "configure:6001: checking for socklen_t" >&5
if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 5966 "configure"
#line 6006 "configure"
#include "confdefs.h"
#include <sys/types.h>
#if STDC_HEADERS
@ -5991,7 +6031,7 @@ fi
echo $ac_n "checking for Modules/Setup""... $ac_c" 1>&6
echo "configure:5995: checking for Modules/Setup" >&5
echo "configure:6035: checking for Modules/Setup" >&5
if test ! -f Modules/Setup ; then
if test ! -d Modules ; then
mkdir Modules

14
configure.in
View file

@ -1291,6 +1291,20 @@ then
AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS)
fi
# check for getc_unlocked and related locking functions
AC_MSG_CHECKING(for getc_unlocked() and friends)
AC_CACHE_VAL(ac_cv_have_getc_unlocked, [
AC_TRY_LINK([#include <stdio.h>],[
FILE *f = fopen("/dev/null", "r");
flockfile(f);
getc_unlocked(f);
funlockfile(f);
], ac_cv_have_getc_unlocked=yes, ac_cv_have_getc_unlocked=no)])
AC_MSG_RESULT($ac_cv_have_getc_unlocked)
if test "$ac_cv_have_getc_unlocked" = yes
then
AC_DEFINE(HAVE_GETC_UNLOCKED)
fi
# THIS MUST BE LAST, IT CAN BREAK OTHER TESTS!
# Add sys/socket.h to confdefs.h