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-rw-r--r--m4/readlink.m429
1 files changed, 29 insertions, 0 deletions
diff --git a/m4/readlink.m4 b/m4/readlink.m4
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+++ b/m4/readlink.m4
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+# readlink.m4 serial 4
+dnl Copyright (C) 2003, 2007 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_READLINK],
+[
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ AC_CHECK_FUNCS_ONCE([readlink])
+ if test $ac_cv_func_readlink = no; then
+ HAVE_READLINK=0
+ AC_LIBOBJ(readlink)
+ gl_PREREQ_READLINK
+ fi
+])
+
+# Like gl_FUNC_READLINK, except prepare for separate compilation (no AC_LIBOBJ).
+AC_DEFUN([gl_FUNC_READLINK_SEPARATE],
+[
+ AC_CHECK_FUNCS_ONCE([readlink])
+ gl_PREREQ_READLINK
+])
+
+# Prerequisites of lib/readlink.c.
+AC_DEFUN([gl_PREREQ_READLINK],
+[
+ :
+])