Smuxi Issues [FROZEN ARCHIVE]

XBuild is already used by Makefiles to build dependencies in lib/

Wouldn't it be nice to migrate the rest of smuxi to use xbuild too? (So there is no need to specify .cs files in Makefiles, etc.)

So I wondered if this migration could be done progressively, and I decided to do this change:

diff --git a/src/Frontend-GNOME/Makefile.am b/src/Frontend-GNOME/Makefile.am
index 75e6644..da3ccb5 100644
--- a/src/Frontend-GNOME/Makefile.am
+++ b/src/Frontend-GNOME/Makefile.am
@@ -275,7 +275,7 @@ $(build_resx_resources) : %.resources: %.resx

 $(ASSEMBLY) $(ASSEMBLY_MDB): $(build_sources) $(build_resources) $(build_datafiles) $(DLL_REFERENCES) $(PROJECT_REFERENCES) $(build_xamlg_list) $(build_satellite_assembly_list)
     mkdir -p $(dir $(ASSEMBLY))
-    $(ASSEMBLY_COMPILER_COMMAND) $(ASSEMBLY_COMPILER_FLAGS) -out:$(ASSEMBLY) -target:$(COMPILE_TARGET) $(build_sources_embed) $(build_resources_embed) $(build_references_ref)
+    $(XBUILD) Frontend-GNOME.csproj

 %.desktop: %.desktop.in $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po-Frontend-GNOME/*.po)
     LC_ALL=C $(INTLTOOL_MERGE) -d -u -c $(top_builddir)/po-Frontend-GNOME/.intltool-merge-cache $(top_srcdir)/po-Frontend-GNOME $< $@

However, when trying to run "make" after this change, I get these errors (which I don't really understand):

/home/knocte/Documents/Code/smuxiCLEAN/src/Frontend-GNOME/Frontend-GNOME.csproj (default targets) ->
/usr/lib/mono/4.0/Microsoft.Common.targets (ResolveProjectReferences target) ->
/home/knocte/Documents/Code/smuxiCLEAN/src/Engine/Engine.csproj (default targets) ->
/usr/lib/mono/4.0/Microsoft.Common.targets (ResolveProjectReferences target) ->
/home/knocte/Documents/Code/smuxiCLEAN/lib/db4o-net/Db4objects.Db4o/Db4objects.Db4o-2010.csproj (default targets) ->
/usr/lib/mono/4.0/Microsoft.CSharp.targets (CoreCompile target) ->

    Db4objects.Db4o/Config/IConfiguration.cs(1,26): error CS1040: Preprocessor directives must appear as the first non-whitespace character on a line
    Db4objects.Db4o/Config/IConfiguration.cs(1,26): error CS1040: Preprocessor directives must appear as the first non-whitespace character on a line
    Db4objects.Db4o/Config/IObjectClass.cs(1,26): error CS1040: Preprocessor directives must appear as the first non-whitespace character on a line
    Db4objects.Db4o/Config/IObjectField.cs(1,26): error CS1040: Preprocessor directives must appear as the first non-whitespace character on a line
    Db4objects.Db4o/Ext/IExtObjectContainer.cs(1,26): error CS1040: Preprocessor directives must appear as the first non-whitespace character on a line
    Db4objects.Db4o/Ext/IExtObjectContainer.cs(1,26): error CS1040: Preprocessor directives must appear as the first non-whitespace character on a line
    Db4objects.Db4o/Ext/IExtObjectContainer.cs(1,26): error CS1040: Preprocessor directives must appear as the first non-whitespace character on a line

     60 Warning(s)
     7 Error(s)

Time Elapsed 00:00:02.3871930
make[2]: *** [../../bin/debug/smuxi-frontend-gnome.exe] Error 1
make[2]: Leaving directory `/home/knocte/Documents/Code/smuxiCLEAN/src/Frontend-GNOME'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/knocte/Documents/Code/smuxiCLEAN/src'
make: *** [all-recursive] Error 1

It turns out that these errors are the same ones I get when trying to build smuxi with MonoDevelop (I use MonoDevelop 4.x and Mono 3.2.1 packages from directhex's PPA).