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authorMattias Andrée <maandree@operamail.com>2014-06-04 19:22:51 +0200
committerMattias Andrée <maandree@operamail.com>2014-06-04 19:22:55 +0200
commit775c24e79fd81740a9633a5b7cee854c89faf36c (patch)
tree17127b624b5eac3697a491c7c0a6d220d3cbd4fb /src
parentadd dist (diff)
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split out and doc lib update warnings from test.c
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
-rw-r--r--src/test/test.c20
-rw-r--r--src/test/update-warnings.h60
2 files changed, 62 insertions, 18 deletions
diff --git a/src/test/test.c b/src/test/test.c
index e21bf51..ceff71b 100644
--- a/src/test/test.c
+++ b/src/test/test.c
@@ -17,6 +17,8 @@
*/
#include <libgamma.h>
+#include "update-warnings.h"
+
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
@@ -24,24 +26,6 @@
#include <unistd.h>
-#ifdef __GNUC__
-# if LIBGAMMA_ERROR_MIN < -46
-# warning New error codes have been added to libgamma.
-# endif
-# if LIBGAMMA_METHOD_COUNT > 6
-# warning New adjust methods has been added to libgamma
-# endif
-# if LIBGAMMA_CONNECTOR_TYPE_COUNT > 20
-# warning New connector types have been added to libgamma.
-# endif
-# if LIBGAMMA_SUBPIXEL_ORDER_COUNT > 6
-# warning New subpixel orders have been added to libgamma.
-# endif
-# if LIBGAMMA_CRTC_INFO_COUNT > 13
-# warning New CRTC information fields have been added to libgamma.
-# endif
-#endif
-
static const char* method_name(int method)
{
diff --git a/src/test/update-warnings.h b/src/test/update-warnings.h
new file mode 100644
index 0000000..05cf242
--- /dev/null
+++ b/src/test/update-warnings.h
@@ -0,0 +1,60 @@
+/**
+ * libgamma — Display server abstraction layer for gamma ramp adjustments
+ * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+ *
+ * This library 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <libgamma.h>
+
+
+/*
+ * This file testes whether the program is out of date
+ * when it is compiled. This is done by checking for newer
+ * values of constants that tells us how much there is of
+ * different things for which we may want to create
+ * descriptions or otherwise handle especially.
+ *
+ * To get the current value of for example `LIBGAMMA_ERROR_MIN`
+ * simply run the command
+ *
+ * cpp <<EOF | tail -n 1
+ * #include <libgamma.h>
+ * LIBGAMMA_ERROR_MIN
+ * EOF
+ *
+ * However, we only do this for if GCC is used to
+ * compile the program because the #warning CPP
+ * directive is a GCC extension. If you are not
+ * using GNU you may want to find another way to
+ * accomplish this.
+ */
+
+#ifdef __GNUC__
+# if LIBGAMMA_ERROR_MIN < -46
+# warning New error codes have been added to libgamma.
+# endif
+# if LIBGAMMA_METHOD_COUNT > 6
+# warning New adjust methods has been added to libgamma
+# endif
+# if LIBGAMMA_CONNECTOR_TYPE_COUNT > 20
+# warning New connector types have been added to libgamma.
+# endif
+# if LIBGAMMA_SUBPIXEL_ORDER_COUNT > 6
+# warning New subpixel orders have been added to libgamma.
+# endif
+# if LIBGAMMA_CRTC_INFO_COUNT > 13
+# warning New CRTC information fields have been added to libgamma.
+# endif
+#endif
+