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authorJosselin Poiret <dev@jpoiret.xyz>2022-09-05 08:48:13 +0200
committerLudovic Courtès <ludo@gnu.org>2023-01-12 16:41:29 +0100
commitedfca3b7e5931b5b5a83112e2a9813b068be99c2 (patch)
tree98f105cff95a668f5ecab668964bbcf1138d4d02 /m4/glibc21.m4
parentfe2a0c54ac7863a705da8f64fd548e4817b3fb72 (diff)
downloadguile-edfca3b7e5931b5b5a83112e2a9813b068be99c2.tar.gz
Update gnulib to 0.1.5414-8204d and add posix_spawn, posix_spawnp.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'm4/glibc21.m4')
-rw-r--r--m4/glibc21.m430
1 files changed, 30 insertions, 0 deletions
diff --git a/m4/glibc21.m4 b/m4/glibc21.m4
new file mode 100644
index 000000000..68ada9d4d
--- /dev/null
+++ b/m4/glibc21.m4
@@ -0,0 +1,30 @@
+# glibc21.m4 serial 4
+dnl Copyright (C) 2000-2002, 2004, 2008-2010 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# Test for the GNU C Library, version 2.1 or newer.
+# From Bruno Haible.
+
+AC_DEFUN([gl_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_SUBST([GLIBC21])
+ GLIBC21="$ac_cv_gnu_library_2_1"
+ ]
+)