src/rda_supported_technologies.h.in: Generate header file that knows what RDA technologies are supported after build.

4 files changed, 52 insertions, 2 deletions

diff --git a/configure.ac b/configure.ac
index f6255c2..ffa8000 100644
--- a/configure.ac
+++ b/configure.ac
@@ -58,12 +58,14 @@ PKG_CHECK_MODULES(LIBRDA, glib-2.0 >= $GLIB_REQUIRED gio-2.0 >= $GIO_REQUIRED)
 
 dnl enable/disable awarenesses
 
+SUPPORTED_TECHNOLOGIES=""
+
 AC_ARG_ENABLE([x2go],
               [AS_HELP_STRING([--enable-x2go],
                               [enable awareness of X2Go sessions])],
               [enable_x2go=yes])
 if test "x$enable_x2go" != "x"; then
-    AC_DEFINE([WITH_X2GO_AWARENESS],,[Build with X2Go awareness])
+    SUPPORTED_TECHNOLOGIES="$SUPPORTED_TECHNOLOGIES X2GO"
 else
     enable_x2go="no"
 fi
@@ -73,11 +75,14 @@ AC_ARG_ENABLE([ogon],
                               [enable awareness of Ogon sessions])],
               [enable_ogon=yes])
 if test "x$enable_ogon" != "x"; then
-    AC_DEFINE([WITH_OGON_AWARENESS],,[Build with Ogon awareness])
+    SUPPORTED_TECHNOLOGIES="$SUPPORTED_TECHNOLOGIES OGON"
 else
     enable_ogon="no"
 fi
 
+# make them available for automake
+AC_SUBST([SUPPORTED_TECHNOLOGIES])
+
 dnl Language Support
 
 IT_PROG_INTLTOOL([0.50.1])
diff --git a/src/Makefile.am b/src/Makefile.am
index 83243b4..11c05a8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -4,8 +4,21 @@ lib_LTLIBRARIES = librda.la
 
 CLEANFILES =
 DISTCLEANFILES =
+EXTRA_DIST =
+BUILT_SOURCES =
+
+st_file = rda_supported_technologies.h
+
+$(st_file): $(st_file).in
+	cp $< $@
+	for tech in $(SUPPORTED_TECHNOLOGIES); do sed -r -e "s|// \@WITH_REMOTE_AWARENESS_($$tech)\@\s+.*|#define WITH_REMOTE_AWARENESS_\1|" -i $@; done
+
+CLEANFILES += $(st_file)
+EXTRA_DIST += $(st_file).in
+BUILT_SOURCES += $(st_file)
 
 rda_headers =				\
+	rda_supported_technologies.h	\
 	rda.h				\
 	$(NULL)
 
diff --git a/src/rda.h b/src/rda.h
index 563bd7a..cfbf268 100644
--- a/src/rda.h
+++ b/src/rda.h
@@ -26,6 +26,8 @@
 
 #include <glib.h>
 
+#include <rda_supported_technologies.h>
+
 G_BEGIN_DECLS
 
 enum {
diff --git a/src/rda_supported_technologies.h.in b/src/rda_supported_technologies.h.in
new file mode 100644
index 0000000..6336719
--- /dev/null
+++ b/src/rda_supported_technologies.h.in
@@ -0,0 +1,30 @@
+/* -*- Mode: C; c-set-style: linux indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+
+/* rda.h - Remote Desktop Awareness
+
+   Copyright (C) 2018 Mike Gabriel
+   All rights reserved.
+
+   The RDA Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The RDA 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the Mate Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+   Boston, MA  02110-1301, USA.
+ */
+
+#ifndef RDA_SUPPORTED_TECHNOLOGIES_H
+#define RDA_SUPPORTED_TECHNOLOGIES_H
+
+// @WITH_REMOTE_AWARENESS_X2GO@ not supported
+// @WITH_REMOTE_AWARENESS_OGON@ not supported
+
+#endif /* RDA_SUPPORTED_TECHNOLOGIES_H */