[pango] Revert "build/Makefile.msvcproj: Don't Use realpath(1)"

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

commit df05ec0d05062a911efc929b1ea32ef8d526d0e2
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Thu Apr 9 18:36:49 2015 +0800

    Revert "build/Makefile.msvcproj: Don't Use realpath(1)"
    
    This reverts commit aa7a9e08d33ac01aa43460a064e086b099f71642.
    
    Sorry, I accidently committed this in master, when I am supposed to commit
    in my own local branch.

 build/Makefile.msvcproj |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/build/Makefile.msvcproj b/build/Makefile.msvcproj
index f878ae2..0fe3107 100644
--- a/build/Makefile.msvcproj
+++ b/build/Makefile.msvcproj
@@ -10,16 +10,19 @@
 #
 # Add this to Makefile.am where your library/program is built:
 #   include $(top_srcdir)/build/Makefile.msvcproj
-#   MSVCPROJS = YourProject (can be multiple projects in a single srcdir)
+#   MSVCPROJS = YourProject
 #   YourProject_FILES = $(libyourlib_1_0_SOURCES)
 #   YourProject_EXCLUDES = ... # list of sources to exclude, separated by '|', wildcards allowed; use random 
unsed value if none
 #   YourProject_HEADERS_DIR = $(libyourlibincludedir)
 #   YourProject_HEADERS_INST = $(libyourlib_1_0_HEADERS)
 #   YourProject_HEADERS_EXCLUDES = ... # <list of headers to exclude from installation, separated by '|', 
wildcards allowed; use random unsed value if none>
 #
-#   dist-hook: \ # (or add to it if it is already there, note the vs9 items will also call the vs10 items in 
the process)
+#   dist-hook: \ # (or add to it if it is already there)
 #      $(top_builddir)/build/win32/vs9/YourProject.vcproj      \
-#      $(top_builddir)/build/win32/vs9/YourProject.headers
+#      $(top_builddir)/build/win32/vs9/YourProject.headers     \
+#      $(top_builddir)/build/win32/vs10/YourProject.vcxproj    \
+#      $(top_builddir)/build/win32/vs10/YourProject.vcxproj.filters    \
+#      $(top_builddir)/build/win32/vs9/YourProject.vs10.headers
 
 
 # Private functions
@@ -27,7 +30,7 @@
 ## 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 $(abs_top_srcdir)/,$(empty),$(abs_srcdir))
+_proj_path_raw:=$(shell realpath --relative-to=$(top_srcdir) $(srcdir))
 _proj_path=$(subst /,\\,$(_proj_path_raw))
 _proj_subdir_int=$(if $(ifeq $(_proj_path),\.),\\,\\$(_proj_path)\\)
 _proj_subdir=$(subst \\.\\,\\,$(_proj_subdir_int))