Autogen update

[nfs-utils.git] / aclocal / nfs-utils.m4

diff --git a/aclocal/nfs-utils.m4 b/aclocal/nfs-utils.m4
new file mode 100644 (file)
index 0000000..fae8b95
--- /dev/null
+++ b/aclocal/nfs-utils.m4
@@ -0,0 +1,17 @@
+dnl *********** GNU libc 2 ***************
+AC_DEFUN([AC_GNULIBC],[
+  AC_MSG_CHECKING(for GNU libc2)
+  AC_CACHE_VAL(knfsd_cv_glibc2,
+  [AC_TRY_CPP([
+      #include <features.h>
+      #if !defined(__GLIBC__)
+      # error Nope
+      #endif
+      ],
+  knfsd_cv_glibc2=yes, knfsd_cv_glibc2=no)])
+  AC_MSG_RESULT($knfsd_cv_glibc2)
+  if test $knfsd_cv_glibc2 = yes; then
+    CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+    CPPFLAGS_FOR_BUILD="$CPPFLAGS_FOR_BUILD -D_GNU_SOURCE"
+  fi
+])