configure: clean unused _FOR_BUILD variables

Change-Id: Ie236bbe4122fa5686a8d4c6050b5e14f354a5bb3

configure.ac

@@ -4065,10 +4065,9 @@ if test "$cross_compiling" = "yes"; then
     cp config.log ../config.Build.log
     mkdir -p ../config_build
     cp config_host/*.h ../config_build
-    . ./bin/get_config_variables COM GUI OS PATH CPU CPUNAME CC CXX MACOSX_DEPLOYMENT_TARGET INPATH OUTPATH SYSTEM_LIBXSLT OUTDIR WORKDIR
+    . ./bin/get_config_variables OS PATH CC CXX INPATH SYSTEM_LIBXSLT OUTDIR WORKDIR
 
-    for V in COM GUI OS CPU CPUNAME CC CXX MACOSX_DEPLOYMENT_TARGET INPATH OUTPATH \
-             SYSTEM_LIBXSLT; do
+    for V in OS CC CXX INPATH SYSTEM_LIBXSLT; do
         VV='$'$V
         VV=`eval "echo $VV"`
         if test -n "$VV"; then
@@ -4098,32 +4097,17 @@ if test "$cross_compiling" = "yes"; then
     AC_MSG_RESULT([checking for BUILD platform configuration... done])
     rm -rf CONF-FOR-BUILD
 else
-    CC_FOR_BUILD="$CC"
-    CXX_FOR_BUILD="$CXX"
-    CC_FOR_BUILD="$CC"
-    COM_FOR_BUILD="$COM"
-    CPUNAME_FOR_BUILD="$CPUNAME"
-    CPU_FOR_BUILD="$CPU"
-    CXX_FOR_BUILD="$CXX"
-    GUI_FOR_BUILD="$GUI"
-    INPATH_FOR_BUILD="$INPATH"
-    MACOSX_DEPLOYMENT_TARGET_FOR_BUILD="$MACOSX_DEPLOYMENT_TARGET"
     OS_FOR_BUILD="$OS"
+    CC_FOR_BUILD="$CC"
+    CXX_FOR_BUILD="$CXX"
+    INPATH_FOR_BUILD="$INPATH"
     OUTDIR_FOR_BUILD="$OUTDIR"
-    OUTPATH_FOR_BUILD="$OUTPATH"
     WORKDIR_FOR_BUILD="$WORKDIR"
 fi
-AC_SUBST(COM_FOR_BUILD)
-AC_SUBST(GUI_FOR_BUILD)
 AC_SUBST(OS_FOR_BUILD)
-AC_SUBST(CPU_FOR_BUILD)
-AC_SUBST(CPUNAME_FOR_BUILD)
 AC_SUBST(CC_FOR_BUILD)
 AC_SUBST(CXX_FOR_BUILD)
 AC_SUBST(INPATH_FOR_BUILD)
-AC_SUBST(OUTPATH_FOR_BUILD)
-AC_SUBST(MACOSX_DEPLOYMENT_TARGET_FOR_BUILD)
-
 AC_SUBST(OUTDIR_FOR_BUILD)
 AC_SUBST(WORKDIR_FOR_BUILD)