1 files changed, 38 insertions, 0 deletions

diff --git a/gl/m4/strdup.m4 b/gl/m4/strdup.m4
new file mode 100644
index 00000000..d7daac2b
--- /dev/null
+++ b/gl/m4/strdup.m4
@@ -0,0 +1,38 @@
+# strdup.m4 serial 11
+
+dnl Copyright (C) 2002-2009 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.
+
+AC_DEFUN([gl_FUNC_STRDUP],
+[
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+  AC_REPLACE_FUNCS([strdup])
+  AC_CHECK_DECLS_ONCE([strdup])
+  if test $ac_cv_have_decl_strdup = no; then
+    HAVE_DECL_STRDUP=0
+  fi
+  gl_PREREQ_STRDUP
+])
+
+AC_DEFUN([gl_FUNC_STRDUP_POSIX],
+[
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+  AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
+  if test $gl_cv_func_malloc_posix != yes; then
+    REPLACE_STRDUP=1
+    AC_LIBOBJ([strdup])
+  else
+    AC_REPLACE_FUNCS([strdup])
+  fi
+  AC_CHECK_DECLS_ONCE([strdup])
+  if test $ac_cv_have_decl_strdup = no; then
+    HAVE_DECL_STRDUP=0
+  fi
+  gl_PREREQ_STRDUP
+])
+
+# Prerequisites of lib/strdup.c.
+AC_DEFUN([gl_PREREQ_STRDUP], [:])