openwrt/include/verbose.mk

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# SPDX-License-Identifier: GPL-2.0-only
#
# Copyright (C) 2006-2020 OpenWrt.org
ifndef OPENWRT_VERBOSE
OPENWRT_VERBOSE:=
endif
ifeq ("$(origin V)", "command line")
OPENWRT_VERBOSE:=$(V)
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endif
ifeq ($(OPENWRT_VERBOSE),1)
OPENWRT_VERBOSE:=w
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endif
ifeq ($(OPENWRT_VERBOSE),99)
OPENWRT_VERBOSE:=s
endif
ifeq ($(NO_TRACE_MAKE),)
NO_TRACE_MAKE := $(MAKE) V=s$(OPENWRT_VERBOSE)
export NO_TRACE_MAKE
endif
ifeq ($(IS_TTY),1)
ifneq ($(strip $(NO_COLOR)),1)
_Y:=\\033[33m
_R:=\\033[31m
_N:=\\033[m
endif
endif
define ERROR_MESSAGE
verbose.mk: fallback to standard file descriptors In order to pass a status message at runtime, which is usually listing subtargets of a Makefile target or an error message, from a child invocation of Make (submake) through the parent process to the terminal, the file descriptors 8 and 9 are opened to be used by the functions MESSAGE and ERROR_MESSAGE. However, there are situations where those functions can be called while not in a submake or a subshell or a child process which results in a shell error: /bin/bash: 8: Bad file descriptor Commit aee3594ffcb72ae3e18c3719012d52519ee2d160 ("verbose.mk: print ERROR messages in non-verbose") has exposed this issue to more cases, but it is not the root cause. To solve this, use the exit code of the first printf attempt to the alternative file descriptors in order to tell whether the standard file descriptors need to be used instead. In order to get rid of the "Bad file descriptor" error, stderr is redirected to null after grouping the two printf alternatives into one command to combine outputs. For ERROR_MESSAGE, the real message is redirected to stderr after redirecting the error from the attempted printing to null. For MESSAGE, without redirection, the Make function "shell" will absorb the actual message from stdout and input the value into the Makefile, therefore the dummy variable "_NULL", previously used merely for causing a call to the MESSAGE function to trigger without writing target rules, now has and a real value when defined, so rename it to "_MESSAGE" as a placeholder for the real message when the output should be stdout. When "_MESSAGE" has a value, use Make function "info" to finally bring it from the Makefile to the terminal. This also fixes what is likely a typo, in that while file descriptor 9 is meant to redirect to stderr for use in error messages like in the function ERROR_MESSAGE, that function has printf redirecting to file descriptor 8 instead. Fixes: a4c8d4e37 ("build: make the color of the 'configuration out of sync' warning red") Signed-off-by: Michael Pratt <mcpratt@pm.me>
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{ \
printf "$(_R)%s$(_N)\n" "$(1)" >&9 || \
printf "$(_R)%s$(_N)\n" "$(1)"; \
} >&2 2>/dev/null
endef
ifeq ($(findstring s,$(OPENWRT_VERBOSE)),)
define MESSAGE
verbose.mk: fallback to standard file descriptors In order to pass a status message at runtime, which is usually listing subtargets of a Makefile target or an error message, from a child invocation of Make (submake) through the parent process to the terminal, the file descriptors 8 and 9 are opened to be used by the functions MESSAGE and ERROR_MESSAGE. However, there are situations where those functions can be called while not in a submake or a subshell or a child process which results in a shell error: /bin/bash: 8: Bad file descriptor Commit aee3594ffcb72ae3e18c3719012d52519ee2d160 ("verbose.mk: print ERROR messages in non-verbose") has exposed this issue to more cases, but it is not the root cause. To solve this, use the exit code of the first printf attempt to the alternative file descriptors in order to tell whether the standard file descriptors need to be used instead. In order to get rid of the "Bad file descriptor" error, stderr is redirected to null after grouping the two printf alternatives into one command to combine outputs. For ERROR_MESSAGE, the real message is redirected to stderr after redirecting the error from the attempted printing to null. For MESSAGE, without redirection, the Make function "shell" will absorb the actual message from stdout and input the value into the Makefile, therefore the dummy variable "_NULL", previously used merely for causing a call to the MESSAGE function to trigger without writing target rules, now has and a real value when defined, so rename it to "_MESSAGE" as a placeholder for the real message when the output should be stdout. When "_MESSAGE" has a value, use Make function "info" to finally bring it from the Makefile to the terminal. This also fixes what is likely a typo, in that while file descriptor 9 is meant to redirect to stderr for use in error messages like in the function ERROR_MESSAGE, that function has printf redirecting to file descriptor 8 instead. Fixes: a4c8d4e37 ("build: make the color of the 'configuration out of sync' warning red") Signed-off-by: Michael Pratt <mcpratt@pm.me>
2022-05-18 03:06:36 +00:00
{ \
printf "$(_Y)%s$(_N)\n" "$(1)" >&8 || \
printf "$(_Y)%s$(_N)\n" "$(1)"; \
} 2>/dev/null
endef
ifeq ($(QUIET),1)
ifneq ($(CURDIR),$(TOPDIR))
_DIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
else
_DIR:=
endif
verbose.mk: fallback to standard file descriptors In order to pass a status message at runtime, which is usually listing subtargets of a Makefile target or an error message, from a child invocation of Make (submake) through the parent process to the terminal, the file descriptors 8 and 9 are opened to be used by the functions MESSAGE and ERROR_MESSAGE. However, there are situations where those functions can be called while not in a submake or a subshell or a child process which results in a shell error: /bin/bash: 8: Bad file descriptor Commit aee3594ffcb72ae3e18c3719012d52519ee2d160 ("verbose.mk: print ERROR messages in non-verbose") has exposed this issue to more cases, but it is not the root cause. To solve this, use the exit code of the first printf attempt to the alternative file descriptors in order to tell whether the standard file descriptors need to be used instead. In order to get rid of the "Bad file descriptor" error, stderr is redirected to null after grouping the two printf alternatives into one command to combine outputs. For ERROR_MESSAGE, the real message is redirected to stderr after redirecting the error from the attempted printing to null. For MESSAGE, without redirection, the Make function "shell" will absorb the actual message from stdout and input the value into the Makefile, therefore the dummy variable "_NULL", previously used merely for causing a call to the MESSAGE function to trigger without writing target rules, now has and a real value when defined, so rename it to "_MESSAGE" as a placeholder for the real message when the output should be stdout. When "_MESSAGE" has a value, use Make function "info" to finally bring it from the Makefile to the terminal. This also fixes what is likely a typo, in that while file descriptor 9 is meant to redirect to stderr for use in error messages like in the function ERROR_MESSAGE, that function has printf redirecting to file descriptor 8 instead. Fixes: a4c8d4e37 ("build: make the color of the 'configuration out of sync' warning red") Signed-off-by: Michael Pratt <mcpratt@pm.me>
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_MESSAGE:=$(if $(MAKECMDGOALS),$(shell \
$(call MESSAGE, make[$(MAKELEVEL)]$(if $(_DIR), -C $(_DIR)) $(MAKECMDGOALS)); \
))
verbose.mk: fallback to standard file descriptors In order to pass a status message at runtime, which is usually listing subtargets of a Makefile target or an error message, from a child invocation of Make (submake) through the parent process to the terminal, the file descriptors 8 and 9 are opened to be used by the functions MESSAGE and ERROR_MESSAGE. However, there are situations where those functions can be called while not in a submake or a subshell or a child process which results in a shell error: /bin/bash: 8: Bad file descriptor Commit aee3594ffcb72ae3e18c3719012d52519ee2d160 ("verbose.mk: print ERROR messages in non-verbose") has exposed this issue to more cases, but it is not the root cause. To solve this, use the exit code of the first printf attempt to the alternative file descriptors in order to tell whether the standard file descriptors need to be used instead. In order to get rid of the "Bad file descriptor" error, stderr is redirected to null after grouping the two printf alternatives into one command to combine outputs. For ERROR_MESSAGE, the real message is redirected to stderr after redirecting the error from the attempted printing to null. For MESSAGE, without redirection, the Make function "shell" will absorb the actual message from stdout and input the value into the Makefile, therefore the dummy variable "_NULL", previously used merely for causing a call to the MESSAGE function to trigger without writing target rules, now has and a real value when defined, so rename it to "_MESSAGE" as a placeholder for the real message when the output should be stdout. When "_MESSAGE" has a value, use Make function "info" to finally bring it from the Makefile to the terminal. This also fixes what is likely a typo, in that while file descriptor 9 is meant to redirect to stderr for use in error messages like in the function ERROR_MESSAGE, that function has printf redirecting to file descriptor 8 instead. Fixes: a4c8d4e37 ("build: make the color of the 'configuration out of sync' warning red") Signed-off-by: Michael Pratt <mcpratt@pm.me>
2022-05-18 03:06:36 +00:00
ifneq ($(strip $(_MESSAGE)),)
$(info $(_MESSAGE))
endif
SUBMAKE=$(MAKE)
else
SILENT:=>/dev/null $(if $(findstring w,$(OPENWRT_VERBOSE)),,2>&1)
export QUIET:=1
SUBMAKE=cmd() { $(SILENT) $(MAKE) -s "$$@" < /dev/null || { echo "make $$*: build failed. Please re-run make with -j1 V=s or V=sc for a higher verbosity level to see what's going on"; false; } } 8>&1 9>&2; cmd
endif
.SILENT: $(MAKECMDGOALS)
else
SUBMAKE=$(MAKE) -w
define MESSAGE
printf "%s\n" "$(1)"
endef
endif