Get rid of sub{lib,doc}dir

They don't make sense - using same ct-ng won't work with different versions,
so they cannot coexist in the same prefix.

Also localize other configure variables so that their usage is easier to track.

Signed-off-by: Alexey Neyman <stilor@att.net>

Makefile.in

@@ -57,11 +57,11 @@ export PACKAGE_TARNAME := @PACKAGE_TARNAME@
 export VERSION         := @PACKAGE_VERSION@
 export prefix          := @prefix@
 export exec_prefix     := @exec_prefix@
+export datarootdir     := @datarootdir@
 export bindir          := @bindir@
-export libdir          := @libdir@@sublibdir@
-export docdir          := @docdir@@subdocdir@
+export libdir          := @libdir@
+export docdir          := @docdir@
 export mandir          := @mandir@
-export datarootdir     := @datarootdir@
 export install         := @INSTALL@
 export bash            := @BASH_SHELL@
 export awk             := @AWK@
@@ -77,16 +77,6 @@ export objdump         := @OBJDUMP@
 export readelf         := @READELF@
 export patch           := @PATCH@
 export gperf           := @GPERF@
-export gperf_len_type  := @GPERF_LEN_TYPE@
-export CC              := @CC@
-export CPP             := @CPP@
-export CPPFLAGS        := @CPPFLAGS@
-export CFLAGS          := @CFLAGS@
-export LDFLAGS         := @LDFLAGS@
-export LIBS            := @LIBS@
-export INTL_LIBS       := @INTL_LIBS@
-export curses_hdr      := @ac_ct_curses_hdr@
-export gettext         := @gettext@
 export CPU_COUNT       := @CPU_COUNT@
 
 ###############################################################################

configure.ac

@@ -301,23 +301,21 @@ AS_IF(
     [test -f version.sh -a -x version.sh],
     [PACKAGE_VERSION=$(./version.sh "${PACKAGE_VERSION}")])
 
+# We are not installing dynamic libraries that need to be found by dynamic linker.
+# Install into a subdirectory.
+libdir=${libdir}/${PACKAGE_TARNAME}
+
 # Handle the local case
-AC_SUBST([sublibdir])
-AC_SUBST([subdocdir])
 AS_IF(
     [test "x$enable_local" = "xyes"],
     [AC_MSG_NOTICE([overiding all of --prefix and the likes, because --enable-local was set])
      prefix=$(pwd)
      exec_prefix="$prefix"
      bindir="$prefix"
      libdir="$prefix"
-     sublibdir=""
      docdir="$prefix""/docs"
-     subdocdir=""
      datarootdir="$prefix"
-     mandir="$docdir"],
-    [sublibdir="/\${VERSION}"
-     subdocdir="/\${VERSION}"])
+     mandir="$docdir"])
 
 AC_CONFIG_FILES([
     Makefile

ct-ng.in

@@ -90,7 +90,11 @@ help-distrib::
 
 help-env::
 	@echo
-	@echo  'Environment variables (see @@CT_DOCDIR@@/0 - Table of content.txt):'
+	@if [ -r "@@CT_DOCDIR@@/manual/4_Building.md" ]; then \
+		echo 'Environment variables (see @@CT_DOCDIR@@/0 - Table of content.txt):'; \
+	else \
+		echo 'Environment variables (see http://crosstool-ng.github.io/docs/build/)'; \
+	fi
 
 help-tail::
 	@echo

kconfig/Makefile.in

@@ -2,6 +2,18 @@
 # Hmmm! Cheesy build!
 # Or: where I can unveil my make-fu... :-]
 
+install         = @INSTALL@
+sed             = @SED@
+gperf           = @GPERF@
+gperf_len_type  = @GPERF_LEN_TYPE@
+gettext         = @gettext@
+curses_hdr      = @ac_ct_curses_hdr@
+CC              = @CC@
+CFLAGS          = @CFLAGS@
+LDFLAGS         = @LDFLAGS@
+LIBS            = @LIBS@
+INTL_LIBS       = @INTL_LIBS@
+
 __silent = $(if $(V),,@printf '  %-7s %s\n' '$1' '$(if $2,$2,$(strip $<))' && )
 __silent_rm = $(call __silent,RM,$1)rm -f $1
 
@@ -103,10 +115,10 @@ conf: $(COMMON_OBJ) $(conf_OBJ)
 install: $(patsubst %,install-%,$(PROGS)) install-kconfig.mk
 
 $(patsubst %,install-%,$(PROGS)): install-%: %
-	$(call __silent,INSTALL,$<)install -m 0755 $< $(DESTDIR)/$<
+	$(call __silent,INSTALL,$<)$(install) -m 0755 $< $(DESTDIR)/$<
 
 install-kconfig.mk: kconfig.mk
-	$(call __silent,INSTALL,$<)install -m 0644 $< $(DESTDIR)/$<
+	$(call __silent,INSTALL,$<)$(install) -m 0644 $< $(DESTDIR)/$<
 
 #-----------------------------------------------------------
 # Cleaning up the mess...