Pass the -J option to wrc to avoid including installed headers.

Make.rules.in

@@ -70,10 +70,11 @@ MAKEDEP      = $(TOOLSDIR)/tools/makedep
 WRC          = $(TOOLSDIR)/tools/wrc/wrc
 WMC          = $(TOOLSDIR)/tools/wmc/wmc
 WIDL         = $(TOOLSDIR)/tools/widl/widl
+WRCFLAGS     = -J -m $(EXTRAWRCFLAGS)
 LDPATH       = @LDPATH@
 DLLDIR       = $(TOPOBJDIR)/dlls
 LIBWINE      = -L$(TOPOBJDIR)/library -lwine
-LIBUNICODE= -L$(TOPOBJDIR)/unicode -lwine_unicode
+LIBUNICODE   = -L$(TOPOBJDIR)/unicode -lwine_unicode
 LIBUUID      = -L$(TOPOBJDIR)/ole -lwine_uuid
 
 @SET_MAKE@

dlls/gdi/Makefile.in

@@ -87,6 +87,6 @@ gdi.exe.spec.c: gdi.exe.spec version16.res
 	$(LDPATH) $(WINEBUILD) $(DEFS) -H 65520 -o $@ -M $(MODULE) -r version16.res --spec $(SRCDIR)/gdi.exe.spec
 
 version16.res: version16.rc
-	$(LDPATH) $(WRC) $(DIVINCL) -o $@ -w16 -m -r $(SRCDIR)/version16.rc
+	$(LDPATH) $(WRC) $(WRCFLAGS) $(DIVINCL) -o $@ -w16 -r $(SRCDIR)/version16.rc
 
 ### Dependencies:

dlls/kernel/Makefile.in

@@ -56,6 +56,6 @@ krnl386.exe.spec.c: krnl386.exe.spec version16.res
 	$(LDPATH) $(WINEBUILD) $(DEFS) -N kernel -o $@ -M $(MODULE) -r version16.res --spec $(SRCDIR)/krnl386.exe.spec
 
 version16.res: version16.rc
-	$(LDPATH) $(WRC) $(DIVINCL) -o $@ -w16 -m -r $(SRCDIR)/version16.rc
+	$(LDPATH) $(WRC) $(WRCFLAGS) $(DIVINCL) -o $@ -w16 -r $(SRCDIR)/version16.rc
 
 ### Dependencies:

dlls/shell32/Makefile.in

@@ -65,7 +65,7 @@ uninstall::
 # Special rules for 16-bit resource files
 
 version16.res: version16.rc
-	$(LDPATH) $(WRC) $(DIVINCL) -o $@ -w16 -m -r $(SRCDIR)/version16.rc
+	$(LDPATH) $(WRC) $(WRCFLAGS) $(DIVINCL) -o $@ -w16 -r $(SRCDIR)/version16.rc
 
 shell.spec.c: shell.spec version16.res
 	$(LDPATH) $(WINEBUILD) $(DEFS) -o $@ -M $(MODULE) -r version16.res --spec $(SRCDIR)/shell.spec

dlls/user/Makefile.in

@@ -114,12 +114,12 @@ mouse.spec.c: mouse.spec resources/mouse.res
 	$(LDPATH) $(WINEBUILD) $(DEFS) -o $@ -M $(MODULE) -r resources/mouse.res --spec $(SRCDIR)/mouse.spec
 
 resources/display.res: resources/display.rc
-	$(LDPATH) $(WRC) $(DIVINCL) -o $@ -w16 -m -r $(SRCDIR)/resources/display.rc
+	$(LDPATH) $(WRC) $(WRCFLAGS) $(DIVINCL) -o $@ -w16 -r $(SRCDIR)/resources/display.rc
 
 resources/mouse.res: resources/mouse.rc
-	$(LDPATH) $(WRC) $(DIVINCL) -o $@ -w16 -m -r $(SRCDIR)/resources/mouse.rc
+	$(LDPATH) $(WRC) $(WRCFLAGS) $(DIVINCL) -o $@ -w16 -r $(SRCDIR)/resources/mouse.rc
 
 resources/version16.res: resources/version16.rc
-	$(LDPATH) $(WRC) $(DIVINCL) -o $@ -w16 -m -r $(SRCDIR)/resources/version16.rc
+	$(LDPATH) $(WRC) $(WRCFLAGS) $(DIVINCL) -o $@ -w16 -r $(SRCDIR)/resources/version16.rc
 
 ### Dependencies:

programs/winhelp/Makefile.in

@@ -2,7 +2,6 @@ TOPSRCDIR = @top_srcdir@
 TOPOBJDIR = ../..
 SRCDIR    = @srcdir@
 VPATH     = @srcdir@
-WRCFLAGS  = -DWINELIB
 MODULE    = winhelp.exe
 APPMODE   = gui
 IMPORTS   = comdlg32 shell32 user32 gdi32 kernel32
@@ -16,7 +15,8 @@ C_SRCS = \
 
 EXTRA_SRCS = macro.lex.l
 EXTRA_OBJS = @LEX_OUTPUT_ROOT@.o
-WRCFLAGS  = -DWINELIB
+
+EXTRAWRCFLAGS = -DWINELIB
 
 RC_SRCS = rsrc.rc