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authorJim Meyering <jim@meyering.net>2000-06-03 08:23:54 +0000
committerJim Meyering <jim@meyering.net>2000-06-03 08:23:54 +0000
commit6f7ac74eb3222cbe4407901a63dc8af025684273 (patch)
tree358386deee94a77a757767bf2e13808b7bdaba6b /m4/glibc21.m4
parentf6639dbe36633f79ea3f487a00b3b4d5a01c7532 (diff)
downloadcoreutils-6f7ac74eb3222cbe4407901a63dc8af025684273.tar.xz
New file. From Bruno Haible.
Diffstat (limited to 'm4/glibc21.m4')
-rw-r--r--m4/glibc21.m425
1 files changed, 25 insertions, 0 deletions
diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
new file mode 100644
index 000000000..dab37244d
--- /dev/null
+++ b/m4/glibc21.m4
@@ -0,0 +1,25 @@
+#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)
+ ]
+)