bindings patch backported from trunk

git-svn-id: https://svn.code.sf.net/p/gphoto/code/branches/libgphoto2-2_2/libgphoto2@8951 67ed7778-7388-44ab-90cf-0a291f65f57c

Makefile.am

@@ -8,7 +8,7 @@ bin_SCRIPTS = gphoto2-config
 EXTRA_DIST = HACKING MAINTAINERS makefile.os2 os2mak.inc TESTERS CHANGES
 
 # Note: @subdirs@ lists all the directories from AC_CONFIG_SUBDIRS()
-SUBDIRS = @subdirs@ libgphoto2 camlibs tests po packaging doc
+SUBDIRS = @subdirs@ libgphoto2 camlibs tests po bindings packaging doc
 
 doc_DATA = AUTHORS COPYING README CHANGES NEWS
 

bindings/Makefile.am

@@ -0,0 +1 @@
+SUBDIRS = @BINDING_SUBDIRS@

bindings/csharp/Makefile.am

@@ -1,4 +1,4 @@
-CSC = mcs --unsafe -g
+MCSFLAGS = --unsafe -g
 
 LIBGPHOTO2_SHARP_CSFILES =				\
 	$(srcdir)/AssemblyInfo.cs			\
@@ -22,7 +22,7 @@ libgphoto2sharplib_DATA =		\
 
 
 libgphoto2-sharp.dll: $(LIBGPHOTO2_SHARP_CSFILES)
-	$(CSC) -o $@ /target:library $(LIBGPHOTO2_SHARP_CSFILES)
+	$(MCS) $(MCSFLAGS) -o $@ /target:library $(LIBGPHOTO2_SHARP_CSFILES)
 
 all: libgphoto2-sharp.dll
 

configure.in

@@ -67,6 +67,35 @@ dnl SED is supposed to be set in AC_LIBTOOL_SETUP, but the
 dnl sequence seems to get mixed up.
 SED=${SED-sed}
 
+GP_PKG_CONFIG
+
+dnl Check for Mono and Mono C# compiler from f-spot
+
+dnl --- Check for mono and mcs
+dnl --- FIXME: What about when mono and mcs are not found?
+
+AC_PATH_PROG([MONO], [mono])
+AC_PATH_PROG([MCS], [mcs])
+AC_SUBST([MONO])
+AC_SUBST([MCS])
+
+dnl -- Check for mono pc file
+
+AC_MSG_CHECKING([for mono.pc])
+if test -z `$PKG_CONFIG --variable=prefix mono`; then
+  build_binding_csharp="no"
+  AC_MSG_RESULT([missing the mono.pc file, usually found in the mono-devel package])
+else
+  build_binding_csharp="yes"
+  bindings="${bindings}${bindings+ }csharp"
+  AC_MSG_RESULT([found])
+fi
+
+AM_CONDITIONAL([HAVE_MONO], [test "x${build_binding_csharp}" = "xyes"])
+GP_CONFIG_MSG([Bindings], [${bindings}])
+
+AC_SUBST([BINDING_SUBDIRS], [${bindings}])
+
 dnl check for/set up libtool and libltdl
 dnl AC_DISABLE_STATIC
 dnl AC_DISABLE_SHARED
@@ -492,6 +521,8 @@ packaging/rpm/package.spec
 doc/Makefile
 doc/Doxyfile
 doc/api/Makefile
+bindings/Makefile
+bindings/csharp/Makefile
 ])
 AC_OUTPUT