maint: update copyright

[gnulib.git] / lib / dummy.c

diff --git a/lib/dummy.c b/lib/dummy.c
index 888858c..3a71161 100644 (file)
--- a/lib/dummy.c
+++ b/lib/dummy.c
@@ -1,10 +1,10 @@
 /* A dummy file, to prevent empty libraries from breaking builds.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2007, 2009-2014 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -12,9 +12,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-   USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Some systems, reportedly OpenBSD and Mac OS X, refuse to create
    libraries without any object files.  You might get an error like:
@@ -25,6 +23,20 @@
    Compiling this file, and adding its object file to the library, will
    prevent the library from being empty.  */
 
+/* Some systems, such as Solaris with cc 5.0, refuse to work with libraries
+   that don't export any symbol.  You might get an error like:
+
+   > cc ... libgnu.a
+   > ild: (bad file) garbled symbol table in archive ../gllib/libgnu.a
+
+   Compiling this file, and adding its object file to the library, will
+   prevent the library from exporting no symbols.  */
+
+#ifdef __sun
+/* This declaration ensures that the library will export at least 1 symbol.  */
+int gl_dummy_symbol;
+#else
 /* This declaration is solely to ensure that after preprocessing
    this file is never empty.  */
 typedef int dummy;
+#endif