Avoid warnings for empty compilation units.

diff --git a/gettext-tools/lib/ChangeLog b/gettext-tools/lib/ChangeLog
index 38982c4988868b4f83a8dd5779d0b5d3437c4cec..730b57953dd61080aae3bcbf0e48db3e064e708b 100644 (file)
--- a/gettext-tools/lib/ChangeLog
+++ b/gettext-tools/lib/ChangeLog
@@ -1,3 +1,11 @@
+2003-06-23  Bruno Haible  <bruno@clisp.org>
+
+       Avoid compilation units that are empty after preprocessing.
+       * canonicalize.c: Add dummy declaration.
+       * strerror.c: Likewise.
+       * strtoul.c: Likewise.
+       * error.c: Include <stdio.h> even if there's nothing to be compiled.
+
 2003-06-22  Bruno Haible  <bruno@clisp.org>
 
        Portability to mingw32.

diff --git a/gettext-tools/lib/canonicalize.c b/gettext-tools/lib/canonicalize.c
index fbdca12119e1a2fc1f8b5fa957de0021aa270d9f..5b7713eb0a103773d6a6da86a35e39338e225043 100644 (file)
--- a/gettext-tools/lib/canonicalize.c
+++ b/gettext-tools/lib/canonicalize.c
@@ -307,4 +307,10 @@ __canonicalize_file_name (const char *name)
 }
 weak_alias (__canonicalize_file_name, canonicalize_file_name)
 
+#else
+
+/* This declaration is solely to ensure that after preprocessing
+   this file is never empty.  */
+typedef int dummy;
+
 #endif

diff --git a/gettext-tools/lib/error.c b/gettext-tools/lib/error.c
index 2d38d447a5f8af4d626519a5d4d7b374c259711c..d6b6bdd0e9cacf5410a2afd40934a51ab4a140e4 100644 (file)
--- a/gettext-tools/lib/error.c
+++ b/gettext-tools/lib/error.c
@@ -20,10 +20,10 @@
 # include <config.h>
 #endif
 
-#if !HAVE_ERROR_AT_LINE
-
 #include <stdio.h>
 
+#if !HAVE_ERROR_AT_LINE
+
 #ifdef _LIBC
 # include <libintl.h>
 #else

diff --git a/gettext-tools/lib/strerror.c b/gettext-tools/lib/strerror.c
index 8dfae38dc1769c74eabd61864d9dd31c0afa0726..931460fbb69d1db25822bfa488c46d2aaffdb01c 100644 (file)
--- a/gettext-tools/lib/strerror.c
+++ b/gettext-tools/lib/strerror.c
@@ -43,4 +43,10 @@ strerror (int n)
     return sys_errlist[n];
 }
 
+#else
+
+/* This declaration is solely to ensure that after preprocessing
+   this file is never empty.  */
+typedef int dummy;
+
 #endif

diff --git a/gettext-tools/lib/strtoul.c b/gettext-tools/lib/strtoul.c
index d39643d58ce0026a05faf9c1dee68a5511083fc5..97359104d1ed9f7ab636b3c75edffe05ec3b414c 100644 (file)
--- a/gettext-tools/lib/strtoul.c
+++ b/gettext-tools/lib/strtoul.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1997, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1997, 2002-2003 Free Software Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C Library.
    Bugs can be reported to bug-glibc@gnu.org.
@@ -28,4 +28,10 @@
 
 # include <strtol.c>
 
+#else
+
+/* This declaration is solely to ensure that after preprocessing
+   this file is never empty.  */
+typedef int dummy;
+
 #endif