Better handling of the steps lists:

- new make rulle: liststeps,
 - new help entry telling about liststeps,
 - update documentation accordingly.

Makefile.steps

@@ -1,53 +1,35 @@
 # Makefile for each steps
 # Copyright 2006 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>
 
-libc_check_config       \
-kernel_check_config     \
-kernel_headers          \
-binutils                \
-cc_core_pass_1          \
-libc_headers            \
-libc_start_files        \
-cc_core_pass_2          \
-libfloat                \
-libc                    \
-cc                      \
-libc_finish             \
-tools                   \
-debug                   \
-:
+CT_STEPS := libc_check_config       \
+            kernel_check_config     \
+            kernel_headers          \
+            binutils                \
+            cc_core_pass_1          \
+            libc_headers            \
+            libc_start_files        \
+            cc_core_pass_2          \
+            libfloat                \
+            libc                    \
+            cc                      \
+            libc_finish             \
+            tools                   \
+            debug                   \
+
+$(CT_STEPS):
 	@make -C "$(CT_TOP_DIR)" RESTART=$@ STOP=$@
 
--libc_check_config      \
--kernel_check_config    \
--kernel_headers         \
--binutils               \
--cc_core_pass_1         \
--libc_headers           \
--libc_start_files       \
--cc_core_pass_2         \
--libfloat               \
--libc                   \
--cc                     \
--libc_finish            \
--tools                  \
--debug                  \
-:
+$(patsubst %,-%,$(CT_STEPS)):
 	@make -C "$(CT_TOP_DIR)" STOP=$(patsubst -%,%,$@)
 
-libc_check_config-      \
-kernel_check_config-    \
-kernel_headers-         \
-binutils-               \
-cc_core_pass_1-         \
-libc_headers-           \
-libc_start_files-       \
-cc_core_pass_2-         \
-libfloat-               \
-libc-                   \
-cc-                     \
-libc_finish-            \
-tools-                  \
-debug-                  \
-:
+$(patsubst %,%-,$(CT_STEPS)):
 	@make -C "$(CT_TOP_DIR)" RESTART=$(patsubst %-,%,$@)
+
+help-build::
+	@echo  '  liststeps      - Lists all build steps'
+
+liststeps:
+	@echo  'Available build steps, in order:'
+	@for step in $(CT_STEPS); do    \
+	     echo "  - $${step}";       \
+	 done

docs/overview.txt

@@ -178,22 +178,6 @@ Conversely, if you want to restart a build at a specific step you are
 debugging, you can pass the RESTART variable to make:
   make RESTART=some_step
 
-The list of steps is, in order of appearence in the build process:
-  - libc_check_config
-  - kernel_check_config
-  - kernel_headers
-  - binutils
-  - cc_core_pass_1
-  - libc_headers
-  - libc_start_files
-  - cc_core_pass_2
-  - libfloat
-  - libc
-  - cc
-  - libc_finish
-  - tools
-  - debug
-
 Alternatively, you can call make with the name of a step to just do that step:
   make libc_headers
 is equivalent to:
@@ -205,6 +189,9 @@ at that step. Thus:
 are equivalent to:
   make STOP=libc_headers    and:    make RESTART=libc_headers
 
+To obtain the list of acceptable steps, please call:
+  make liststeps
+
 Note that in order to restart a build, you'll have to say 'Y' to the config
 option CT_DEBUG_CT_SAVE_STEPS, and that the previous build effectively went
 that far.