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Require stdint.h

stdint.h belongs to the compiler (as opposed to inttypes.h), so by
requiring a C99 compiler we can also require stdint.h
unconditionally.  Remove configure checks and other workarounds for
it.

This also removes a few steps in the required portability adjustments
to the imported time zone code, which can be applied on the next
import.

When using GCC on a platform that is otherwise pre-C99, this will now
require at least GCC 4.5, which is the first release that supplied a
standard-conforming stdint.h if the native platform didn't have it.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/5d398bbb-262a-5fed-d839-d0e5cff3c0d7%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2020-02-21 09:14:03 +01:00
parent dca3911a81
commit 957338418b
6 changed files with 5 additions and 119 deletions

73
configure vendored
View File

@ -14154,79 +14154,6 @@ _ACEOF
fi
ac_fn_c_check_type "$LINENO" "intptr_t" "ac_cv_type_intptr_t" "$ac_includes_default"
if test "x$ac_cv_type_intptr_t" = xyes; then :
$as_echo "#define HAVE_INTPTR_T 1" >>confdefs.h
else
for ac_type in 'int' 'long int' 'long long int'; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
$ac_includes_default
int
main ()
{
static int test_array [1 - 2 * !(sizeof (void *) <= sizeof ($ac_type))];
test_array [0] = 0;
return test_array [0];
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
cat >>confdefs.h <<_ACEOF
#define intptr_t $ac_type
_ACEOF
ac_type=
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
test -z "$ac_type" && break
done
fi
ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "$ac_includes_default"
if test "x$ac_cv_type_uintptr_t" = xyes; then :
$as_echo "#define HAVE_UINTPTR_T 1" >>confdefs.h
else
for ac_type in 'unsigned int' 'unsigned long int' \
'unsigned long long int'; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
$ac_includes_default
int
main ()
{
static int test_array [1 - 2 * !(sizeof (void *) <= sizeof ($ac_type))];
test_array [0] = 0;
return test_array [0];
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
cat >>confdefs.h <<_ACEOF
#define uintptr_t $ac_type
_ACEOF
ac_type=
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
test -z "$ac_type" && break
done
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for locale_t" >&5
$as_echo_n "checking for locale_t... " >&6; }
if ${pgac_cv_type_locale_t+:} false; then :