[atk] Build: Make Makefile.msvcproj A Bit More Generic

[Chun-wei Fan <fanchunwei src gnome org>]

commit 53e5f6e5aeda682307ba096b90c0040a589ddb2c
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Sep 25 12:25:13 2015 +0800

    Build: Make Makefile.msvcproj A Bit More Generic
    
    Handle also the situation where $(srcdir) == $(top_srcdir), so that this
    can also be used in cases like librsvg and gobject-introspection.

 build/Makefile.msvcproj |   10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/build/Makefile.msvcproj b/build/Makefile.msvcproj
index 8ac5f81..9449a5b 100644
--- a/build/Makefile.msvcproj
+++ b/build/Makefile.msvcproj
@@ -4,11 +4,7 @@
 
 # This autotools file, from GLib, can be used in other projects
 # that have Visual Studio build support, and is copied into
-# $(srcroot)/build/, except those that have their main sources
-# in their $(srcroot), or those that have their autotools build
-# files in $(srcroot).  Those that should not use this include:
-# gobject-introspection, librsvg, instead they would currently
-# need a modified version of this.
+# $(srcroot)/build/.
 
 # * Input variables:
 #
@@ -35,9 +31,9 @@
 ## Transform the MSVC project filename (no filename extensions) to something which can reference through a 
variable
 ## without automake/make complaining, eg Gtk-2.0 -> Gtk_2_0
 _proj_name=$(subst /,_,$(subst -,_,$(subst .,_,$(1))))
-_proj_path_raw:=$(subst $(abs_top_srcdir)/,,$(abs_srcdir))
+_proj_path_raw:=$(subst $(abs_top_srcdir),,$(abs_srcdir))
 _proj_path=$(subst /,\\,$(_proj_path_raw))
-_proj_subdir_int=$(if $(ifeq $(_proj_path),\.),\\,\\$(_proj_path)\\)
+_proj_subdir_int=$(subst \\\\,\\,\\$(_proj_path)\\)
 _proj_subdir=$(subst \\.\\,\\,$(_proj_subdir_int))
 
 _proj_files_raw=$(subst /,\\,$($(_proj_name)_FILES))