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configure.in: Avoid autoconf warning: Assume C89 semantics that 

RETSIGTYPE is always void (issue #8510).
This commit is contained in:
Matthias Klose 2010-04-25 21:18:48 +00:00
parent 44d3d7854b
commit bada4c39a1
3 changed files with 4 additions and 43 deletions
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32
configure vendored
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@ -1,5 +1,5 @@
#! /bin/sh #! /bin/sh
# From configure.in Revision: 80475 . # From configure.in Revision: 80478 .
# Guess values for system-dependent variables and create Makefiles. # Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.65 for python 3.2. # Generated by GNU Autoconf 2.65 for python 3.2.
# #
@ -6417,39 +6417,11 @@ _ACEOF
fi fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
$as_echo_n "checking return type of signal handlers... " >&6; }
if test "${ac_cv_type_signal+set}" = set; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/types.h>
#include <signal.h>
int
main ()
{
return *(signal (0, 0)) (0) == 1;
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
ac_cv_type_signal=int
else
ac_cv_type_signal=void
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_signal" >&5
$as_echo "$ac_cv_type_signal" >&6; }
cat >>confdefs.h <<_ACEOF cat >>confdefs.h <<_ACEOF
#define RETSIGTYPE $ac_cv_type_signal #define RETSIGTYPE void
_ACEOF _ACEOF
ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default" ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
if test "x$ac_cv_type_size_t" = x""yes; then : if test "x$ac_cv_type_size_t" = x""yes; then :

13
configure.in
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@ -1374,18 +1374,7 @@ EOF
AC_TYPE_MODE_T AC_TYPE_MODE_T
AC_TYPE_OFF_T AC_TYPE_OFF_T
AC_TYPE_PID_T AC_TYPE_PID_T
AC_DIAGNOSE([obsolete],[your code may safely assume C89 semantics that RETSIGTYPE is void. AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[assume C89 semantics that RETSIGTYPE is always void])
Remove this warning and the `AC_CACHE_CHECK' when you adjust the code.])dnl
AC_CACHE_CHECK([return type of signal handlers],[ac_cv_type_signal],[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([#include <sys/types.h>
#include <signal.h>
],
[return *(signal (0, 0)) (0) == 1;])],
[ac_cv_type_signal=int],
[ac_cv_type_signal=void])])
AC_DEFINE_UNQUOTED([RETSIGTYPE],[$ac_cv_type_signal],[Define as the return type of signal handlers
(`int' or `void').])
AC_TYPE_SIZE_T AC_TYPE_SIZE_T
AC_TYPE_UID_T AC_TYPE_UID_T
AC_TYPE_UINT32_T AC_TYPE_UINT32_T

2
pyconfig.h.in
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@ -958,7 +958,7 @@
/* Define as the size of the unicode type. */ /* Define as the size of the unicode type. */
#undef Py_UNICODE_SIZE #undef Py_UNICODE_SIZE
/* Define as the return type of signal handlers (`int' or `void'). */ /* assume C89 semantics that RETSIGTYPE is always void */
#undef RETSIGTYPE #undef RETSIGTYPE
/* Define if setpgrp() must be called as setpgrp(0, 0). */ /* Define if setpgrp() must be called as setpgrp(0, 0). */