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7c4e1eea61
This change introduces a few helper variables for dealing with verbose
and silent build modes: `silent`, `verbose`, `q` and `s`.
The `silent` and `verbose` variables are boolean values determining
whether the build system has been configured to run silently or
verbosely respectively (i.e. with `--silent` or `V=1`).
These two modes cannot be used together - if `silent` is truthy then
`verbose` is always falsy. As such:
make --silent V=1
... results in a silent build.
In addition to these boolean variables, we also introduce two new
variables - `s` and `q` - for use in rule recipes to conditionally
suppress the output of commands.
When building silently, `s` expands to a value which disables the
command that follows, and `q` expands to a value which supppresses
echoing of the command:
$(s)echo 'This command is neither echoed nor executed'
$(q)echo 'This command is executed but not echoed'
When building verbosely, `s` expands to a value which disables the
command that follows, and `q` expands to nothing:
$(s)echo 'This command is neither echoed nor executed'
$(q)echo 'This command is executed and echoed'
In all other cases, both `s` and `q` expand to a value which suppresses
echoing of the command that follows:
$(s)echo 'This command is executed but not echoed'
$(q)echo 'This command is executed but not echoed'
The `s` variable is predominantly useful for `echo` commands, where you
always want to suppress echoing of the command itself, whilst `q` is
more useful for all other commands.
Change-Id: I8d8ff6ed714d3cb401946c52955887ed7dca602b
Signed-off-by: Chris Kay <chris.kay@arm.com>
80 lines
2.3 KiB
Makefile
80 lines
2.3 KiB
Makefile
#
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# Copyright (c) 2016-2024, Arm Limited and Contributors. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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# OS specific parts for builds in a Windows_NT environment. The
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# environment variable OS is set to Windows_NT on all modern Windows platforms
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# Include generic windows command definitions.
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ifndef WINDOWS_MK
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WINDOWS_MK := $(lastword $(MAKEFILE_LIST))
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DIR_DELIM := $(strip \)
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BIN_EXT := .exe
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PATH_SEP := ;
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# For some Windows native commands there is a problem with the directory delimiter.
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# Make uses / (slash) and the commands expect \ (backslash)
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# We have to provide a means of translating these, so we define local functions.
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# ${1} is the file to be copied.
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# ${2} is the destination file name.
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define SHELL_COPY
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$(eval tmp_from_file:=$(subst /,\,${1}))
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$(eval tmp_to_file:=$(subst /,\,${2}))
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copy "${tmp_from_file}" "${tmp_to_file}"
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endef
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# ${1} is the directory to be copied.
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# ${2} is the destination directory path.
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define SHELL_COPY_TREE
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$(eval tmp_from_dir:=$(subst /,\,${1}))
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$(eval tmp_to_dir:=$(subst /,\,${2}))
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xcopy /HIVE "${tmp_from_dir}" "${tmp_to_dir}"
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endef
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# ${1} is the file to be deleted.
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define SHELL_DELETE
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$(eval tmp_del_file:=$(subst /,\,${*}))
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-@if exist $(tmp_del_file) del /Q $(tmp_del_file)
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endef
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# ${1} is a space delimited list of files to be deleted.
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define SHELL_DELETE_ALL
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$(eval $(foreach filename,$(wildcard ${1}),$(call DELETE_IF_THERE,${filename})))
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endef
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# ${1} is the directory to be generated.
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# ${2} is optional, and allows prerequisites to be specified.
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# Do nothing if $1 == $2, to ignore self dependencies.
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define MAKE_PREREQ_DIR
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ifneq (${1},${2})
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${1} : ${2}
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$(eval tmp_dir:=$(subst /,\,${1}))
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-@if not exist "$(tmp_dir)" mkdir "${tmp_dir}"
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endif
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endef
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# ${1} is the directory to be removed.
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define SHELL_REMOVE_DIR
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$(eval tmp_dir:=$(subst /,\,${1}))
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-@if exist "$(tmp_dir)" rd /Q /S "$(tmp_dir)"
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endef
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nul := nul
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which = $(shell where "$(1)" 2>$(nul))
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endif
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# Because git is not available from CMD.EXE, we need to avoid
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# the BUILD_STRING generation which uses git.
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# For now we use "development build".
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# This can be overridden from the command line or environment.
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BUILD_STRING ?= development build
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MSVC_NMAKE := nmake.exe
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