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check for sizes of short, size_t, uintptr_t, and

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ptrdiff_t.  Checking for a size also checks automatically for the
existence of the type, so we don't check for the existence of
uintptr_t, ptrdiff_t and long long ourselves.
This commit is contained in:
Marius Vollmer 2001-11-12 00:58:33 +00:00
parent d6b8cf1192
commit 813b3dd465
1 changed files with 5 additions and 10 deletions
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15
configure.in
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@ -176,8 +176,10 @@ AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(size_t)
dnl Check for integral types that can represent the range of pointers.
dnl If these types don't exist on this platform, they are replaced by
@ -185,17 +187,10 @@ dnl "unsigned long" and "long", respectively.
AC_CHECK_HEADERS(stdint.h)
AC_CHECK_HEADERS(inttypes.h)
AC_CHECK_TYPES([uintptr_t, ptrdiff_t])
AC_CHECK_SIZEOF(uintptr_t)
AC_CHECK_SIZEOF(ptrdiff_t)
AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
AC_TRY_COMPILE(,
[long long a],
scm_cv_long_longs=yes,
scm_cv_long_longs=no))
if test "$scm_cv_long_longs" = yes; then
AC_DEFINE(HAVE_LONG_LONGS)
AC_CHECK_SIZEOF(long long)
fi
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(void *)