Introduced $(space) in the makefiles to get rid of using the comment

separator for indicating a trailing space.

builds/ansi/ansi-def.mk

@@ -72,7 +72,7 @@ L := -l
 
 # Target flag.
 #
-T := -o # Don't remove this comment line!  We need the space after `-o'.
+T := -o$(space)
 
 
 # C flags

builds/compiler/ansi-cc.mk

@@ -50,7 +50,7 @@ L := -l
 
 # Target flag.
 #
-T := -o # Don't remove this comment line!  We need the space after `-o'.
+T := -o$(space)
 
 
 # C flags

builds/compiler/gcc-dev.mk

@@ -50,7 +50,7 @@ L := -l
 
 # Target flag.
 #
-T := -o # Don't remove this comment line!  We need the space after `-o'.
+T := -o$(space)
 
 
 # C flags

builds/compiler/gcc.mk

@@ -50,7 +50,7 @@ L := -l
 
 # Target flag.
 #
-T := -o # Don't remove this comment line!  We need the space after `-o'.
+T := -o$(space)
 
 
 # C flags

builds/compiler/unix-lcc.mk

@@ -52,7 +52,7 @@ L := -l
 
 # Target flag.
 #
-T := -o # don't remove this comment, we need a trailing space !!
+T := -o$(space)
 
 
 # C flags

builds/os2/os2-dev.mk

@@ -88,7 +88,7 @@ L := -l
 
 # Target flag.
 #
-T := -o # Don't remove this comment line!  We need the space after `-o'.
+T := -o$(space)
 
 
 # C flags

builds/os2/os2-gcc.mk

@@ -87,7 +87,7 @@ L := -l
 
 # Target flag.
 #
-T := -o # Don't remove this comment line!  We need the space after `-o'.
+T := -o$(space)
 
 
 # C flags

builds/toplevel.mk

@@ -36,6 +36,13 @@
 
 .PHONY: setup
 
+# The `space' variable is used to avoid trailing spaces in defining the
+# `T' variable later.
+#
+empty :=
+space := $(empty) $(empty)
+
+
 ifndef CONFIG_MK
   CONFIG_MK := config.mk
 endif