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[vinagre/gnome-3-2] Fix implicit function declarations, bug 660531

commit 60d33b7643e560cefc8e7290452c86dae1f84c24
Author: Alexandre Rostovtsev <tetromino gmail com>
Date:   Fri Sep 30 14:01:45 2011 -0400

    Fix implicit function declarations, bug 660531
    
    Fix numerous vinagre_utils_* and vinagre_dirs_* implicit function
    declarations by generating a header (vinagre/vinagre-vala.h) from the
    vala source and including it in half the .c files in the source tree.
    
    Add the vinagre-vala.h to dist_noinst_DATA to make sure it goes in the
    release tarballs, and to BUILT_SOURCES to ensure that it is generated
    before the C sources that #include it are compiled. Add
    -I$(top_srcdir)/vinagre to CPPFLAGS so that vinagre-vala.h is picked up
    in out-of-tree builds.
    
    Unfortunately, automake does not support per-target VALAFLAGS. We cannot
    simply add a "--header vinagre/vinagre-vala.h" option to AM_VALAFLAGS
    or VALAFLAGS because if we ever use a .vala file in another target (such
    as one of the vinagre plugins), vinagre-vala.h will get clobbered.
    
    The only way to prevent valac from running multiple times and safely
    support parallel make without adding a ticking time bomb that could
    clobber vinagre-vala.h is to manually write a stamp target for the vala
    sources used in libvinagre, and manually pass a --header argument to
    valac in the rule for the stamp.
    
    Pick "vinagre_vala.stamp" as the name for it to avoid potential
    collisions with automake's vala stamp naming conventions, and make sure
    to add the stamp to dist_noinst_DATA so that people who download the
    source tarball are not forced to use vala to build vinagre.
    
    Also, add an explicit rule for generating vinagre-vala.h for those who
    do not have it and are building from git (otherwise, make will fail due
    to the presense of vinagre-vala.h in dist_noinst_DATA).
    
    Since vala sources are not in vinagre_vinagre_SOURCES any more, we have
    to add them to dist_noinst_DATA so that they are added to release
    tarballs.

 .gitignore                                    |    1 +
 Makefile.am                                   |   31 ++++++++++++++++++++++--
 plugins/rdp/vinagre-rdp-tab.c                 |    1 +
 plugins/spice/vinagre-spice-connection.c      |    1 +
 plugins/spice/vinagre-spice-tab.c             |    1 +
 plugins/vnc/vinagre-vnc-connection.c          |    1 +
 plugins/vnc/vinagre-vnc-tab.c                 |    1 +
 vinagre/vinagre-bookmarks-migration.c         |    1 +
 vinagre/vinagre-bookmarks-ui.c                |    1 +
 vinagre/vinagre-bookmarks.c                   |    1 +
 vinagre/vinagre-cache-prefs.c                 |    1 +
 vinagre/vinagre-commands.c                    |    1 +
 vinagre/vinagre-connect.c                     |    1 +
 vinagre/vinagre-connection.c                  |    1 +
 vinagre/vinagre-notebook.c                    |    1 +
 vinagre/vinagre-options.c                     |    2 +
 vinagre/vinagre-reverse-vnc-listener-dialog.c |    1 +
 vinagre/vinagre-reverse-vnc-listener.c        |    1 +
 vinagre/vinagre-ssh.c                         |    1 +
 vinagre/vinagre-tab.c                         |    1 +
 vinagre/vinagre-tube-handler.c                |    1 +
 vinagre/vinagre-window.c                      |    1 +
 22 files changed, 50 insertions(+), 3 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index c4ac601..5013fbb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,5 +68,6 @@ Makefile.in
 /vinagre/view/.dirstamp
 /vinagre/vinagre-dirs.c
 /vinagre/vinagre-utils.c
+/vinagre/vinagre-vala.h
 /vinagre/vinagre
 /xmldocs.make
diff --git a/Makefile.am b/Makefile.am
index ead2efb..cd84bcf 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -9,6 +9,7 @@ vinagre_vinagre_CPPFLAGS = \
 	-I$(top_builddir) \
 	-I$(top_builddir)/vinagre \
 	-I$(top_srcdir) \
+	-I$(top_srcdir)/vinagre \
 	-I$(top_srcdir)/vinagre/view \
 	-DBINDIR=\"$(bindir)\" \
 	-DDATADIR=\"$(datadir)\" \
@@ -65,6 +66,10 @@ noinst_vinagreh_headers = \
 	vinagre/vinagre-window.h \
 	vinagre/vinagre-ssh.h
 
+vinagre_vala_sources = \
+	vinagre/vinagre-dirs.vala \
+	vinagre/vinagre-utils.vala
+
 vinagre_vinagre_SOURCES = \
 	vinagre/vinagre-main.c \
 	vinagre/vinagre-options.c \
@@ -80,14 +85,12 @@ vinagre_vinagre_SOURCES = \
 	vinagre/vinagre-connect.c \
 	vinagre/vinagre-connection.c \
 	vinagre/vinagre-debug.c \
-	vinagre/vinagre-dirs.vala \
 	vinagre/vinagre-notebook.c \
 	vinagre/vinagre-prefs.c \
 	vinagre/vinagre-reverse-vnc-listener.c \
 	vinagre/vinagre-reverse-vnc-listener-dialog.c \
 	vinagre/vinagre-static-extension.c \
 	vinagre/vinagre-tab.c \
-	vinagre/vinagre-utils.vala \
 	vinagre/vinagre-window.c \
 	vinagre/vinagre-ssh.c \
 	vinagre/vinagre-cache-prefs.c \
@@ -96,7 +99,8 @@ vinagre_vinagre_SOURCES = \
 	plugins/vnc/vinagre-vnc-plugin.c \
 	plugins/vnc/vinagre-vnc-connection.c \
 	plugins/vnc/vinagre-vnc-tab.c \
-	plugins/vnc/vinagre-vnc-tunnel.c
+	plugins/vnc/vinagre-vnc-tunnel.c \
+	$(vinagre_vala_sources:.vala=.c)
 
 if VINAGRE_HAVE_SELF_IFADDRS
 vinagre_vinagre_SOURCES += \
@@ -171,6 +175,24 @@ vinagre_vinagre_SOURCES += \
 	plugins/ssh/vinagre-ssh-tab.c
 endif
 
+# Ensure vinagre-vala.h is available immediately since C sources #include it
+BUILT_SOURCES = \
+	vinagre/vinagre-vala.h
+
+# We have to write an explicit rule instead of just adding --header AM_VALAFLAGS
+# or VALAFLAGS because automake does not support per-target VALAFLAGS, so if in
+# the future we use a .vala file in a plugin, vinagre-vala.h will get clobbered.
+vinagre_vala.stamp: $(vinagre_vala_sources)
+	$(AM_V_VALAC)$(VALAC) $(AM_VALAFLAGS) $(VALAFLAGS) --header vinagre/vinagre-vala.h -C $(vinagre_vala_sources)
+	$(AM_V_at)touch $@
+
+# Automake doesn't have an implicit rule to generate headers from vala
+vinagre/vinagre-vala.h $(vinagre_vala_sources:.vala=.c): $(srcdir)/vinagre_vala.stamp
+	@if test -f $@; then :; else \
+	  rm -f $(srcdir)/vinagre_vala.stamp; \
+	  $(am__cd) $(srcdir) && $(MAKE) $(AM_MAKEFLAGS) vinagre_vala.stamp; \
+	fi
+
 iconthemedir = $(datadir)/icons/hicolor
 mimeicon16dir = $(iconthemedir)/16x16/mimetypes
 mimeicon22dir = $(iconthemedir)/22x22/mimetypes
@@ -276,6 +298,9 @@ dist-changelog:
 
 dist_noinst_DATA = \
 	$(noinst_vinagreh_headers) \
+	$(vinagre_vala_sources) \
+	vinagre/vinagre-vala.h \
+	vinagre_vala.stamp \
 	$(noinst_plugin_headers) \
 	ChangeLog.pre-git \
 	data/vinagre-mime.xml.in \
diff --git a/plugins/rdp/vinagre-rdp-tab.c b/plugins/rdp/vinagre-rdp-tab.c
index d7647dd..389b678 100644
--- a/plugins/rdp/vinagre-rdp-tab.c
+++ b/plugins/rdp/vinagre-rdp-tab.c
@@ -30,6 +30,7 @@
 
 #include "vinagre-rdp-tab.h"
 #include "vinagre-rdp-connection.h"
+#include "vinagre-vala.h"
 
 #define VINAGRE_RDP_TAB_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), VINAGRE_TYPE_RDP_TAB, VinagreRdpTabPrivate))
 
diff --git a/plugins/spice/vinagre-spice-connection.c b/plugins/spice/vinagre-spice-connection.c
index 869096c..0bbe4e2 100644
--- a/plugins/spice/vinagre-spice-connection.c
+++ b/plugins/spice/vinagre-spice-connection.c
@@ -25,6 +25,7 @@
 #include <vinagre/vinagre-cache-prefs.h>
 
 #include "vinagre-spice-connection.h"
+#include "vinagre-vala.h"
 
 struct _VinagreSpiceConnectionPrivate
 {
diff --git a/plugins/spice/vinagre-spice-tab.c b/plugins/spice/vinagre-spice-tab.c
index 7781c98..a194632 100644
--- a/plugins/spice/vinagre-spice-tab.c
+++ b/plugins/spice/vinagre-spice-tab.c
@@ -32,6 +32,7 @@
 #include "vinagre-spice-tab.h"
 #include "vinagre-spice-connection.h"
 #include "vinagre-spice-tunnel.h"
+#include "vinagre-vala.h"
 
 #define VINAGRE_SPICE_TAB_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), VINAGRE_TYPE_SPICE_TAB, VinagreSpiceTabPrivate))
 
diff --git a/plugins/vnc/vinagre-vnc-connection.c b/plugins/vnc/vinagre-vnc-connection.c
index 2182743..6856112 100644
--- a/plugins/vnc/vinagre-vnc-connection.c
+++ b/plugins/vnc/vinagre-vnc-connection.c
@@ -25,6 +25,7 @@
 #include <vinagre/vinagre-cache-prefs.h>
 
 #include "vinagre-vnc-connection.h"
+#include "vinagre-vala.h"
 
 struct _VinagreVncConnectionPrivate
 {
diff --git a/plugins/vnc/vinagre-vnc-tab.c b/plugins/vnc/vinagre-vnc-tab.c
index 914cdea..10bed13 100644
--- a/plugins/vnc/vinagre-vnc-tab.c
+++ b/plugins/vnc/vinagre-vnc-tab.c
@@ -29,6 +29,7 @@
 #include "vinagre-vnc-tab.h"
 #include "vinagre-vnc-connection.h"
 #include "vinagre-vnc-tunnel.h"
+#include "vinagre-vala.h"
 
 #define VINAGRE_VNC_TAB_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), VINAGRE_TYPE_VNC_TAB, VinagreVncTabPrivate))
 
diff --git a/vinagre/vinagre-bookmarks-migration.c b/vinagre/vinagre-bookmarks-migration.c
index 3fae66b..1289c01 100644
--- a/vinagre/vinagre-bookmarks-migration.c
+++ b/vinagre/vinagre-bookmarks-migration.c
@@ -36,6 +36,7 @@
 #include "vinagre-bookmarks-migration.h"
 #include "vinagre-bookmarks.h"
 #include "vinagre-plugins-engine.h"
+#include "vinagre-vala.h"
 
 static void
 fill_xml (GSList *list, xmlTextWriter *writer)
diff --git a/vinagre/vinagre-bookmarks-ui.c b/vinagre/vinagre-bookmarks-ui.c
index 5f37aa2..fdc5e0a 100644
--- a/vinagre/vinagre-bookmarks-ui.c
+++ b/vinagre/vinagre-bookmarks-ui.c
@@ -25,6 +25,7 @@
 #include "vinagre-bookmarks-ui.h"
 #include "vinagre-bookmarks-tree.h"
 #include "vinagre-plugins-engine.h"
+#include "vinagre-vala.h"
 
 static void
 control_save_button_visibility (GtkEntry *ed, GtkWidget *bt)
diff --git a/vinagre/vinagre-bookmarks.c b/vinagre/vinagre-bookmarks.c
index 968be99..ae130d7 100644
--- a/vinagre/vinagre-bookmarks.c
+++ b/vinagre/vinagre-bookmarks.c
@@ -30,6 +30,7 @@
 #include "vinagre-bookmarks-migration.h"
 #include "vinagre-connection.h"
 #include "vinagre-plugins-engine.h"
+#include "vinagre-vala.h"
 
 struct _VinagreBookmarksPrivate
 {
diff --git a/vinagre/vinagre-cache-prefs.c b/vinagre/vinagre-cache-prefs.c
index 4330d74..532281d 100644
--- a/vinagre/vinagre-cache-prefs.c
+++ b/vinagre/vinagre-cache-prefs.c
@@ -21,6 +21,7 @@
 #include <config.h>
 #include <glib/gi18n.h>
 #include "vinagre-cache-prefs.h"
+#include "vinagre-vala.h"
 
 static GKeyFile *keyfile = NULL;
 static char* filename = NULL;
diff --git a/vinagre/vinagre-commands.c b/vinagre/vinagre-commands.c
index fefd40b..e9dd12b 100644
--- a/vinagre/vinagre-commands.c
+++ b/vinagre/vinagre-commands.c
@@ -39,6 +39,7 @@
 #include "vinagre-cache-prefs.h"
 #include "vinagre-plugins-engine.h"
 #include "vinagre-reverse-vnc-listener-dialog.h"
+#include "vinagre-vala.h"
 
 void
 vinagre_cmd_direct_connect (VinagreConnection *conn,
diff --git a/vinagre/vinagre-connect.c b/vinagre/vinagre-connect.c
index 9b78de9..038a87b 100644
--- a/vinagre/vinagre-connect.c
+++ b/vinagre/vinagre-connect.c
@@ -36,6 +36,7 @@
 #include "vinagre-prefs.h"
 #include "vinagre-cache-prefs.h"
 #include "vinagre-plugins-engine.h"
+#include "vinagre-vala.h"
 
 typedef struct {
   GtkBuilder *xml;
diff --git a/vinagre/vinagre-connection.c b/vinagre/vinagre-connection.c
index 2bb6245..60a9c1b 100644
--- a/vinagre/vinagre-connection.c
+++ b/vinagre/vinagre-connection.c
@@ -27,6 +27,7 @@
 #include "vinagre-connection.h"
 #include "vinagre-bookmarks.h"
 #include "vinagre-plugins-engine.h"
+#include "vinagre-vala.h"
 
 struct _VinagreConnectionPrivate
 {
diff --git a/vinagre/vinagre-notebook.c b/vinagre/vinagre-notebook.c
index e7bd82f..498cc07 100644
--- a/vinagre/vinagre-notebook.c
+++ b/vinagre/vinagre-notebook.c
@@ -26,6 +26,7 @@
 
 #include "vinagre-dnd.h"
 #include "vinagre-prefs.h"
+#include "vinagre-vala.h"
 
 #define VINAGRE_NOTEBOOK_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), VINAGRE_TYPE_NOTEBOOK, VinagreNotebookPrivate))
 
diff --git a/vinagre/vinagre-options.c b/vinagre/vinagre-options.c
index 25a68d5..67a27af 100644
--- a/vinagre/vinagre-options.c
+++ b/vinagre/vinagre-options.c
@@ -23,6 +23,8 @@
 #include "vinagre-connection.h"
 #include "vinagre-window.h"
 #include "vinagre-commands.h"
+#include "vinagre-options.h"
+#include "vinagre-vala.h"
 
 const GOptionEntry all_options [] =
 {
diff --git a/vinagre/vinagre-reverse-vnc-listener-dialog.c b/vinagre/vinagre-reverse-vnc-listener-dialog.c
index 9f649b9..02c7ccc 100644
--- a/vinagre/vinagre-reverse-vnc-listener-dialog.c
+++ b/vinagre/vinagre-reverse-vnc-listener-dialog.c
@@ -44,6 +44,7 @@
 #include "vinagre-prefs.h"
 #include "vinagre-reverse-vnc-listener-dialog.h"
 #include "vinagre-reverse-vnc-listener.h"
+#include "vinagre-vala.h"
 
 typedef struct
 {
diff --git a/vinagre/vinagre-reverse-vnc-listener.c b/vinagre/vinagre-reverse-vnc-listener.c
index ab314f5..7f6e0a0 100644
--- a/vinagre/vinagre-reverse-vnc-listener.c
+++ b/vinagre/vinagre-reverse-vnc-listener.c
@@ -37,6 +37,7 @@
 #include "vinagre-commands.h"
 #include "vinagre-reverse-vnc-listener.h"
 #include "plugins/vnc/vinagre-vnc-connection.h"
+#include "vinagre-vala.h"
 
 struct _VinagreReverseVncListenerPrivate
 {
diff --git a/vinagre/vinagre-ssh.c b/vinagre/vinagre-ssh.c
index 8bfa507..0e17f38 100644
--- a/vinagre/vinagre-ssh.c
+++ b/vinagre/vinagre-ssh.c
@@ -22,6 +22,7 @@
 #include <config.h>
 
 #include "vinagre-ssh.h"
+#include "vinagre-vala.h"
 #include "pty_open.h"
 
 #ifdef G_OS_WIN32
diff --git a/vinagre/vinagre-tab.c b/vinagre/vinagre-tab.c
index 041de8f..d0c7453 100644
--- a/vinagre/vinagre-tab.c
+++ b/vinagre/vinagre-tab.c
@@ -31,6 +31,7 @@
 #include "vinagre-prefs.h"
 #include "view/autoDrawer.h"
 #include "vinagre-plugins-engine.h"
+#include "vinagre-vala.h"
 
 #define VINAGRE_TAB_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), VINAGRE_TYPE_TAB, VinagreTabPrivate))
 
diff --git a/vinagre/vinagre-tube-handler.c b/vinagre/vinagre-tube-handler.c
index 5932382..2116df8 100644
--- a/vinagre/vinagre-tube-handler.c
+++ b/vinagre/vinagre-tube-handler.c
@@ -40,6 +40,7 @@
 #include "vinagre-protocol.h"
 #include "vinagre-plugins-engine.h"
 #include "plugins/vnc/vinagre-vnc-connection.h"
+#include "vinagre-vala.h"
 
 G_DEFINE_TYPE (VinagreTubeHandler, vinagre_tube_handler, G_TYPE_OBJECT);
 
diff --git a/vinagre/vinagre-window.c b/vinagre/vinagre-window.c
index 92c20b3..8cb98d1 100644
--- a/vinagre/vinagre-window.c
+++ b/vinagre/vinagre-window.c
@@ -41,6 +41,7 @@
 #include "vinagre-window-private.h"
 #include "vinagre-bookmarks-entry.h"
 #include "vinagre-plugins-engine.h"
+#include "vinagre-vala.h"
 
 #ifdef VINAGRE_HAVE_AVAHI
 #include "vinagre-mdns.h"
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