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git://git.sv.gnu.org/coreutils
synced 2026-06-06 07:42:21 -04:00
Jim Meyering
13 lines
325 B
Plaintext
13 lines
325 B
Plaintext
# From Ulrich Drepper.
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# serial 1
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AC_DEFUN(AM_TYPE_PTRDIFF_T,
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[AC_CACHE_CHECK([for ptrdiff_t], am_cv_type_ptrdiff_t,
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[AC_TRY_COMPILE([#include <stddef.h>], [ptrdiff_t p],
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am_cv_type_ptrdiff_t=yes, am_cv_type_ptrdiff_t=no)])
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if test $am_cv_type_ptrdiff_t = yes; then
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AC_DEFINE(HAVE_PTRDIFF_T)
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fi
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])
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