diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 97 |
1 files changed, 50 insertions, 47 deletions
@@ -41,6 +41,29 @@ unexport GREP_OPTIONS # descending is started. They are now explicitly listed as the # prepare rule. +# Beautify output +# --------------------------------------------------------------------------- +# +# Normally, we echo the whole command before executing it. By making +# that echo $($(quiet)$(cmd)), we now have the possibility to set +# $(quiet) to choose other forms of output instead, e.g. +# +# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ +# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< +# +# If $(quiet) is empty, the whole command will be printed. +# If it is set to "quiet_", only the short version will be printed. +# If it is set to "silent_", nothing will be printed at all, since +# the variable $(silent_cmd_cc_o_c) doesn't exist. +# +# A simple variant is to prefix commands with $(Q) - that's useful +# for commands that shall be hidden in non-verbose mode. +# +# $(Q)ln $@ :< +# +# If KBUILD_VERBOSE equals 0 then the above command will be hidden. +# If KBUILD_VERBOSE equals 1 then the above command is displayed. +# # To put more focus on warnings, be less verbose as default # Use 'make V=1' to see the full commands @@ -51,6 +74,29 @@ ifndef KBUILD_VERBOSE KBUILD_VERBOSE = 0 endif +ifeq ($(KBUILD_VERBOSE),1) + quiet = + Q = +else + quiet=quiet_ + Q = @ +endif + +# If the user is running make -s (silent mode), suppress echoing of +# commands + +ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 +ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) + quiet=silent_ +endif +else # make-3.8x +ifneq ($(filter s% -s%,$(MAKEFLAGS)),) + quiet=silent_ +endif +endif + +export quiet Q KBUILD_VERBOSE + # Call a source code checker (by default, "sparse") as part of the # C compilation. # @@ -128,8 +174,11 @@ $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make # Fake the "Entering directory" message once, so that IDEs/editors are # able to understand relative filenames. + echodir := @echo + quiet_echodir := @echo +silent_echodir := @: sub-make: FORCE - @echo "make[1]: Entering directory \`$(KBUILD_OUTPUT)'" + $($(quiet)echodir) "make[1]: Entering directory \`$(KBUILD_OUTPUT)'" $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ KBUILD_SRC=$(CURDIR) \ KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ @@ -292,52 +341,6 @@ endif export KBUILD_MODULES KBUILD_BUILTIN export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD -# Beautify output -# --------------------------------------------------------------------------- -# -# Normally, we echo the whole command before executing it. By making -# that echo $($(quiet)$(cmd)), we now have the possibility to set -# $(quiet) to choose other forms of output instead, e.g. -# -# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ -# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< -# -# If $(quiet) is empty, the whole command will be printed. -# If it is set to "quiet_", only the short version will be printed. -# If it is set to "silent_", nothing will be printed at all, since -# the variable $(silent_cmd_cc_o_c) doesn't exist. -# -# A simple variant is to prefix commands with $(Q) - that's useful -# for commands that shall be hidden in non-verbose mode. -# -# $(Q)ln $@ :< -# -# If KBUILD_VERBOSE equals 0 then the above command will be hidden. -# If KBUILD_VERBOSE equals 1 then the above command is displayed. - -ifeq ($(KBUILD_VERBOSE),1) - quiet = - Q = -else - quiet=quiet_ - Q = @ -endif - -# If the user is running make -s (silent mode), suppress echoing of -# commands - -ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 -ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) - quiet=silent_ -endif -else # make-3.8x -ifneq ($(filter s% -s%,$(MAKEFLAGS)),) - quiet=silent_ -endif -endif - -export quiet Q KBUILD_VERBOSE - ifneq ($(CC),) ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1) COMPILER := clang |