mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 16:39:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

require a long long data type (closes #27961)

Browse source
This commit is contained in:
Benjamin Peterson 2016-09-05 17:44:18 -07:00
parent b3b0767861
commit ed4aa83ff7
32 changed files with 156 additions and 442 deletions
Download patch file Download diff file Expand all files Collapse all files

116
configure.ac
View file

@ -2092,6 +2092,7 @@ AC_CHECK_TYPE(__uint128_t,
# ANSI C requires sizeof(char) == 1, so no need to check it
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(long long, 8)
AC_CHECK_SIZEOF(void *, 4)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(float, 4)
@ -2100,17 +2101,6 @@ AC_CHECK_SIZEOF(fpos_t, 4)
AC_CHECK_SIZEOF(size_t, 4)
AC_CHECK_SIZEOF(pid_t, 4)
AC_MSG_CHECKING(for long long support)
have_long_long=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long long x; x = (long long)0;]])],[
AC_DEFINE(HAVE_LONG_LONG, 1, [Define this if you have the type long long.])
have_long_long=yes
],[])
AC_MSG_RESULT($have_long_long)
if test "$have_long_long" = yes ; then
AC_CHECK_SIZEOF(long long, 8)
fi
AC_MSG_CHECKING(for long double support)
have_long_double=no
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long double x; x = (long double)0;]])],[
@ -2150,8 +2140,6 @@ AC_CHECK_SIZEOF(off_t, [], [
])
AC_MSG_CHECKING(whether to enable large file support)
if test "$have_long_long" = yes
then
if test "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
"$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
AC_DEFINE(HAVE_LARGEFILE_SUPPORT, 1,
@ -2163,9 +2151,6 @@ if test "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
else
AC_MSG_RESULT(no)
fi
else
AC_MSG_RESULT(no)
fi
AC_CHECK_SIZEOF(time_t, [], [
#ifdef HAVE_SYS_TYPES_H
@ -4925,63 +4910,60 @@ if test "x$ac_cv_file__dev_ptc" = xyes; then
[Define to 1 if you have the /dev/ptc device file.])
fi
if test "$have_long_long" = yes
then
AC_MSG_CHECKING(for %lld and %llu printf() format support)
AC_CACHE_VAL(ac_cv_have_long_long_format,
AC_RUN_IFELSE([AC_LANG_SOURCE([[[
#include <stdio.h>
#include <stddef.h>
#include <string.h>
AC_MSG_CHECKING(for %lld and %llu printf() format support)
AC_CACHE_VAL(ac_cv_have_long_long_format,
AC_RUN_IFELSE([AC_LANG_SOURCE([[[
#include <stdio.h>
#include <stddef.h>
#include <string.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
int main()
{
char buffer[256];
int main()
{
char buffer[256];
if (sprintf(buffer, "%lld", (long long)123) < 0)
return 1;
if (strcmp(buffer, "123"))
return 1;
if (sprintf(buffer, "%lld", (long long)123) < 0)
return 1;
if (strcmp(buffer, "123"))
return 1;
if (sprintf(buffer, "%lld", (long long)-123) < 0)
return 1;
if (strcmp(buffer, "-123"))
return 1;
if (sprintf(buffer, "%lld", (long long)-123) < 0)
return 1;
if (strcmp(buffer, "-123"))
return 1;
if (sprintf(buffer, "%llu", (unsigned long long)123) < 0)
return 1;
if (strcmp(buffer, "123"))
return 1;
if (sprintf(buffer, "%llu", (unsigned long long)123) < 0)
return 1;
if (strcmp(buffer, "123"))
return 1;
return 0;
}
]]])],
[ac_cv_have_long_long_format=yes],
[ac_cv_have_long_long_format=no],
[ac_cv_have_long_long_format="cross -- assuming no"
if test x$GCC = xyes; then
save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Werror -Wformat"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <stddef.h>
]], [[
char *buffer;
sprintf(buffer, "%lld", (long long)123);
sprintf(buffer, "%lld", (long long)-123);
sprintf(buffer, "%llu", (unsigned long long)123);
]])],
ac_cv_have_long_long_format=yes
)
CFLAGS=$save_CFLAGS
fi])
)
AC_MSG_RESULT($ac_cv_have_long_long_format)
fi
return 0;
}
]]])],
[ac_cv_have_long_long_format=yes],
[ac_cv_have_long_long_format=no],
[ac_cv_have_long_long_format="cross -- assuming no"
if test x$GCC = xyes; then
save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Werror -Wformat"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <stddef.h>
]], [[
char *buffer;
sprintf(buffer, "%lld", (long long)123);
sprintf(buffer, "%lld", (long long)-123);
sprintf(buffer, "%llu", (unsigned long long)123);
]])],
ac_cv_have_long_long_format=yes
)
CFLAGS=$save_CFLAGS
fi])
)
AC_MSG_RESULT($ac_cv_have_long_long_format)
if test "$ac_cv_have_long_long_format" = yes
then