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authorBenjamin Peterson <benjamin@python.org>2016-09-05 17:44:18 -0700
committerBenjamin Peterson <benjamin@python.org>2016-09-05 17:44:18 -0700
commit907ccded8b6fa68f6f572ae5de6760595df0d5a1 (patch)
treea03cb0fdb51f1f3233ea23064f80dd2dd5884306 /configure.ac
parent9ab8e90384fe86e90d02093f841411644b97ebca (diff)
downloadcpython-907ccded8b6fa68f6f572ae5de6760595df0d5a1.tar.gz
require a long long data type (closes #27961)
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac116
1 files changed, 49 insertions, 67 deletions
diff --git a/configure.ac b/configure.ac
index 088511f33c..68ed2f2495 100644
--- a/configure.ac
+++ b/configure.ac
@@ -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