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Shorten build commands
This patch scratches an itch. Each individual gcc command in the glibc build is over 1K, which means it takes up a good chunk of my terminal. Most of that is include paths. Any version of GCC new enough to build glibc supports response files, which were added in 2005. So use a response file for the static list of include paths. Now the build commands are a lot shorter, and easier to use when developing glibc.
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@ -1,3 +1,11 @@
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2010-03-30 Daniel Jacobowitz <dan@codesourcery.com>
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* Makeconfig (+common-includes): Define.
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(+includes): Use @$(common-objpfx)includes.
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* Makefile (postclean): Remove includes and includes.mk.
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* Makerules ($(common-objpfx)includes.mk): Include and create
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includes.mk. Create includes.
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2010-04-07 Andreas Schwab <schwab@redhat.com>
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* sysdeps/unix/sysv/linux/i386/fallocate.c: Set errno on error.
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@ -670,9 +670,10 @@ endif # $(+cflags) == ""
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# library source directory, in the include directory, and in the
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# current directory.
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+sysdep-includes = $(addprefix -I,$(+sysdep_dirs))
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+common-includes = $(+sysdep-includes) $(includes) $(sysincludes)
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+includes = -I$(..)include $(if $(subdir),$(objpfx:%/=-I%)) \
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$(+sysdep-includes) $(includes) \
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$(patsubst %/,-I%,$(..)) $(libio-include) -I. $(sysincludes)
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@$(common-objpfx)includes \
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$(patsubst %/,-I%,$(..)) $(libio-include) -I.
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# Since libio has several internal header files, we use a -I instead
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# of many little headers in the include directory.
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2
Makefile
2
Makefile
@ -227,7 +227,7 @@ parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules.
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parent-clean: parent-mostlyclean common-clean
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postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \
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$(addprefix $(objpfx),sysd-dirs sysd-rules) \
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$(addprefix $(objpfx),sysd-dirs sysd-rules includes includes.mk) \
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$(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i)
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clean: parent-clean
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14
Makerules
14
Makerules
@ -267,6 +267,20 @@ ifndef sysd-rules-done
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no_deps=t
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endif
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-include $(common-objpfx)includes.mk
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ifneq ($(+common-includes),$(saved-includes))
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# Recreate includes.mk (and includes).
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includes-force = FORCE
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FORCE:
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endif
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$(common-objpfx)includes.mk: $(includes-force)
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-@rm -f $@T $(common-objpfx)includesT
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for inc in $(+common-includes); do echo "$$inc"; done \
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> $(common-objpfx)includesT
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mv -f $(common-objpfx)includesT $(common-objpfx)includes
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echo 'saved-includes := $(+common-includes)' > $@T
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mv -f $@T $@
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define o-iterator-doit
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$(objpfx)%$o: %.S $(before-compile); $$(compile-command.S)
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endef
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