| | 1 | #serial 2 |
| | 2 | |
| | 3 | # Test for the GNU C Library, version 2.1 or newer. |
| | 4 | # From Bruno Haible. |
| | 5 | |
| | 6 | AC_DEFUN([jm_GLIBC21], |
| | 7 | [ |
| | 8 | AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer, |
| | 9 | ac_cv_gnu_library_2_1, |
| | 10 | [AC_EGREP_CPP([Lucky GNU user], |
| | 11 | [ |
| | 12 | #include <features.h> |
| | 13 | #ifdef __GNU_LIBRARY__ |
| | 14 | #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2) |
| | 15 | Lucky GNU user |
| | 16 | #endif |
| | 17 | #endif |
| | 18 | ], |
| | 19 | ac_cv_gnu_library_2_1=yes, |
| | 20 | ac_cv_gnu_library_2_1=no) |
| | 21 | ] |
| | 22 | ) |
| | 23 | AC_SUBST(GLIBC21) |
| | 24 | GLIBC21="$ac_cv_gnu_library_2_1" |
| | 25 | ] |
| | 26 | ) |
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