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Followup to #4026: better patch for flock detection.

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This commit is contained in:
Antoine Pitrou 2010-09-10 18:39:00 +00:00
parent 66d00ad2ea
commit a4e4ae27fc
2 changed files with 42 additions and 56 deletions
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60
configure vendored
View file

@ -1,5 +1,5 @@
#! /bin/sh
# From configure.in Revision: 84512 .
# From configure.in Revision: 84584 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.65 for python 3.2.
#
@ -9586,55 +9586,44 @@ $as_echo "no" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for flock" >&5
$as_echo_n "checking for flock... " >&6; }
have_flock=no
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for flock declaration" >&5
$as_echo_n "checking for flock declaration... " >&6; }
if test "${ac_cv_flock_decl+set}" = set; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/file.h>
int
main ()
{
void* p = flock
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
$as_echo "#define HAVE_FLOCK 1" >>confdefs.h
have_flock=yes
ac_cv_flock_decl=yes
else
ac_cv_flock_decl=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_flock" >&5
$as_echo "$have_flock" >&6; }
if test "$have_flock" = yes ; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if flock requires additional libraries." >&5
$as_echo_n "checking if flock requires additional libraries.... " >&6; }
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/file.h>
int
main ()
{
void *p = flock; flock(0, 0)
;
return 0;
}
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_flock_decl" >&5
$as_echo "$ac_cv_flock_decl" >&6; }
if test "x${ac_cv_flock_decl}" = xyes; then
for ac_func in flock
do :
ac_fn_c_check_func "$LINENO" "flock" "ac_cv_func_flock"
if test "x$ac_cv_func_flock" = x""yes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_FLOCK 1
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for flock in -lbsd" >&5
$as_echo_n "checking for flock in -lbsd... " >&6; }
if test "${ac_cv_lib_bsd_flock+set}" = set; then :
@ -9672,6 +9661,7 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_flock" >&5
$as_echo "$ac_cv_lib_bsd_flock" >&6; }
if test "x$ac_cv_lib_bsd_flock" = x""yes; then :
$as_echo "#define HAVE_FLOCK 1" >>confdefs.h
$as_echo "#define FLOCK_NEEDS_LIBBSD 1" >>confdefs.h
@ -9681,8 +9671,8 @@ fi
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
done
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for getpagesize" >&5

32
configure.in
View file

@ -2641,27 +2641,23 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
[AC_MSG_RESULT(no)
])
AC_MSG_CHECKING(for flock)
have_flock=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <sys/file.h>
]], [[void* p = flock]])],
[AC_DEFINE(HAVE_FLOCK, 1, Define if you have the 'flock' function.)
have_flock=yes
AC_CACHE_CHECK([for flock declaration], [ac_cv_flock_decl],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <sys/file.h>],
[void* p = flock]
)],
[ac_cv_flock_decl=yes],
[ac_cv_flock_decl=no]
)
])
AC_MSG_RESULT($have_flock)
if test "$have_flock" = yes ; then
AC_MSG_CHECKING(if flock requires additional libraries.)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/file.h>
]], [[void *p = flock; flock(0, 0)]])],
[AC_MSG_RESULT(no)],
[AC_MSG_RESULT(yes)
AC_CHECK_LIB(bsd,flock, [
if test "x${ac_cv_flock_decl}" = xyes; then
AC_CHECK_FUNCS(flock,,
AC_CHECK_LIB(bsd,flock,
[AC_DEFINE(HAVE_FLOCK)
AC_DEFINE(FLOCK_NEEDS_LIBBSD, 1, Define if flock needs to be linked with bsd library.)
])
])
)
fi
AC_MSG_CHECKING(for getpagesize)