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New file. From Bruno Haible.

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This commit is contained in:
Jim Meyering 2000-06-03 08:23:54 +00:00
parent f6639dbe36
commit 6f7ac74eb3
1 changed files with 25 additions and 0 deletions
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m4/glibc21.m4 Normal file
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#serial 1
# Test for the GNU C Library, version 2.1 or newer.
# From Bruno Haible.
AC_DEFUN(jm_GLIBC21,
[
AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
ac_cv_gnu_library_2_1,
[AC_EGREP_CPP([Lucky GNU user],
[
#include <features.h>
#ifdef __GNU_LIBRARY__
#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
Lucky GNU user
#endif
#endif
],
ac_cv_gnu_library_2_1=yes,
ac_cv_gnu_library_2_1=no)
]
)
AC_DEFINE_UNQUOTED(GLIBC21,$ac_cv_gnu_library_2_1)
]
)