coreutils/m4/glibc.m4
1998-09-27 16:41:04 +00:00

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#serial 2
dnl From Gordon Matzigkeit.
dnl Test for the GNU C Library.
dnl FIXME: this should migrate into libit.
AC_DEFUN(AM_GLIBC,
[
AC_CACHE_CHECK(whether we are using the GNU C Library,
ac_cv_gnu_library,
[AC_EGREP_CPP([Thanks for using GNU],
[
#include <features.h>
#ifdef __GNU_LIBRARY__
Thanks for using GNU
#endif
],
ac_cv_gnu_library=yes,
ac_cv_gnu_library=no)
]
)
AC_CACHE_CHECK(for version 2 of the GNU C Library,
ac_cv_glibc,
[AC_EGREP_CPP([Thanks for using GNU too],
[
#include <features.h>
#ifdef __GLIBC__
Thanks for using GNU too
#endif
],
ac_cv_glibc=yes, ac_cv_glibc=no)
]
)
]
)