diff options
| -rw-r--r-- | configure.ac | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/configure.ac b/configure.ac index 0dcd4f283330..c0713a64df5a 100644 --- a/configure.ac +++ b/configure.ac @@ -11327,15 +11327,13 @@ dnl *************************************** dnl testing libc version for Linux... dnl *************************************** if test "$_os" = "Linux"; then - AC_MSG_CHECKING([whether libc is >= 2.1.1]) - exec 6>/dev/null # no output - AC_CHECK_LIB(c, gnu_get_libc_version, HAVE_LIBC=yes; export HAVE_LIBC) - exec 6>&1 # output on again - if test "$HAVE_LIBC"; then - AC_MSG_RESULT([yes]) - else - AC_MSG_ERROR([no, upgrade libc]) - fi + AC_MSG_CHECKING([whether the libc is recent enough]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + #include <features.h> + #if defined(__GNU_LIBRARY__) && (__GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 1)) + #error glibc >= 2.1 is required + #endif + ]])],, [AC_MSG_RESULT([yes])], [AC_MSG_ERROR([no, upgrade libc])]) fi dnl ========================================= |