genode/tool/depot/mk/common.inc

#
# \brief  Common environment
# \author Norman Feske
# \date   2014-05-27
#

SHELL   := bash
VERBOSE ?= @
ECHO    := echo -e
HASHSUM := sha1sum

MAKEFLAGS += --no-print-directory

BRIGHT_COL  ?= \x1b[01;33m
DARK_COL    ?= \x1b[00;33m
DEFAULT_COL ?= \x1b[0m

MSG_PREFIX_TXT := $(DARK_COL)$(TARGET)  $(DEFAULT_COL)
MSG_PREFIX     := $(ECHO) "$(MSG_PREFIX_TXT)"

define NEWLINE


endef

EMPTY :=

#
# Utility to read content from a file if it exists and the given file name
# is not empty.
#
file_content = $(if $(wildcard $1),$(shell cat $1),)

# Force stable sorting order
SORT := LC_ALL=C sort

# ensure pipes might fail but do not confuse sub-makes
.SHELLFLAGS := -o pipefail -c
unexport .SHELLFLAGS
Tool for assembling API/source/binary archives Issue #2339 2017-03-28 16:41:41 +00:00			`#`
			`# \brief Common environment`
			`# \author Norman Feske`
			`# \date 2014-05-27`
			`#`

			`SHELL := bash`
			`VERBOSE ?= @`
			`ECHO := echo -e`
			`HASHSUM := sha1sum`

			`MAKEFLAGS += --no-print-directory`

			`BRIGHT_COL ?= \x1b[01;33m`
			`DARK_COL ?= \x1b[00;33m`
			`DEFAULT_COL ?= \x1b[0m`

			`MSG_PREFIX_TXT := $(DARK_COL)$(TARGET) $(DEFAULT_COL)`
			`MSG_PREFIX := $(ECHO) "$(MSG_PREFIX_TXT)"`

			`define NEWLINE`


			`endef`

			`EMPTY :=`

			`#`
			`# Utility to read content from a file if it exists and the given file name`
			`# is not empty.`
			`#`
			`file_content = $(if $(wildcard $1),$(shell cat $1),)`
Ensure stable sorting order in tools This eliminates certain surprises with port contents and depot hashes. 2017-11-03 15:52:12 +00:00
			`# Force stable sorting order`
tool: use local LC_ALL=C instead of LC_COLLATE=C We used to export 'LC_COLLATE=C' for the environment of Genode tools. This was meant to ensure that sorting is always done C-style and not dependent on the users locale settings. This is required, for instance, to ensure that the same archive always yields the same hash. However, 'export LC_COLLATE=C' is not sufficient. It can be outruled by an 'LC_ALL' setting in the users environment. The manual of 'sort' recommends to set 'LC_ALL=C' locally if you want reliable results and this is what this commit does. Furthermore it removes the former 'export LC_COLLATE=C' directives. Note that I couldn't find a way to set 'LC_ALL' local to 'exec ... sort' in TCL. This is why I set it global instead using TCLs 'env' array. Note that the Make directive '$(sort ...)' and the TCL directive 'lsort', unlike the Shell directive 'sort', are not affected by the users locale settings. Fixes #4144 2021-05-11 10:00:03 +00:00			`SORT := LC_ALL=C sort`
build: ensure rules with pipes might fail .SHELLFLAGS is extended by option pipefail to make pipes fail if any pipe element fails. As .SHELLFLAGS is exported into sub-make instances it must be unexported before calling third-party build systems recursively. 2022-03-10 14:25:50 +00:00
			`# ensure pipes might fail but do not confuse sub-makes`
			`.SHELLFLAGS := -o pipefail -c`
			`unexport .SHELLFLAGS`