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steps.mk
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Wed Jul 28 23:55:10 2010 +0200 (2010-07-28)
changeset 2043 efb1058baa31
parent 1876 a6a4beab3125
child 2099 1bb063c8a0ca
permissions -rw-r--r--
cc/gcc: add option to enable/disable libmudflap

For some scenarii, libmudflap is not very usefull
or can break the build. Make in an optioon that
defaults to 'N' to be on the safe side.

For the core gcc-s, there is absolutely no need
to build libmidflap.

Idea from: Bernhard Pfund <bernhard@chapter7.ch> 
     1 # Makefile for each steps

     2 # Copyright 2006 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>

     3 

     4 # ----------------------------------------------------------

     5 # This is the steps help entry

     6 

     7 help-build::

     8 	@echo  '  list-steps         - List all build steps'

     9 

    10 help-env::

    11 	@echo  '  STOP=step          - Stop the build just after this step (list with list-steps)'

    12 	@echo  '  RESTART=step       - Restart the build just before this step (list with list-steps)'

    13 

    14 # ----------------------------------------------------------

    15 # The steps list

    16 

    17 # Please keep the last line with a '\' and keep the following empy line:

    18 # it helps when diffing and merging.

    19 CT_STEPS := libc_check_config   \

    20             kernel_headers      \

    21             gmp                 \

    22             mpfr                \

    23             ppl                 \

    24             cloog               \

    25             mpc                 \

    26             libelf              \

    27             binutils            \

    28             elf2flt             \

    29             sstrip              \

    30             cc_core_pass_1      \

    31             libc_headers        \

    32             libc_start_files    \

    33             cc_core_pass_2      \

    34             libc                \

    35             cc                  \

    36             libc_finish         \

    37             gmp_target          \

    38             mpfr_target         \

    39             libelf_target       \

    40             binutils_target     \

    41             debug               \

    42             test_suite          \

    43             finish              \

    44 

    45 # Make the list available to sub-processes (scripts/crosstool-NG.sh needs it)

    46 export CT_STEPS

    47 

    48 # Print the steps list

    49 PHONY += list-steps

    50 list-steps:

    51 	@echo  'Available build steps, in order:'

    52 	@for step in $(CT_STEPS); do    \

    53 	     echo "  - $${step}";       \

    54 	 done

    55 	@echo  'Use "<step>" as action to execute only that step.'

    56 	@echo  'Use "+<step>" as action to execute up to that step.'

    57 	@echo  'Use "<step>+" as action to execute from that step onward.'

    58 

    59 # ----------------------------------------------------------

    60 # This part deals with executing steps

    61 

    62 $(CT_STEPS):

    63 	$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) RESTART=$@ STOP=$@ build

    64 

    65 $(patsubst %,+%,$(CT_STEPS)):

    66 	$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) STOP=$(patsubst +%,%,$@) build

    67 

    68 $(patsubst %,%+,$(CT_STEPS)):

    69 	$(SILENT)$(MAKE) -rf $(CT_NG) V=$(V) RESTART=$(patsubst %+,%,$@) build
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