dumpvar.mk revision 7dfdb843b25b4ef04c47b148e0095f292eceacd4 
1
2# List of variables we want to print in the build banner.
3print_build_config_vars := \
4  PLATFORM_VERSION_CODENAME \
5  PLATFORM_VERSION \
6  TARGET_PRODUCT \
7  TARGET_BUILD_VARIANT \
8  TARGET_BUILD_TYPE \
9  TARGET_BUILD_APPS \
10  TARGET_ARCH \
11  TARGET_ARCH_VARIANT \
12  TARGET_CPU_VARIANT \
13  TARGET_2ND_ARCH \
14  TARGET_2ND_ARCH_VARIANT \
15  TARGET_2ND_CPU_VARIANT \
16  HOST_ARCH \
17  HOST_2ND_ARCH \
18  HOST_OS \
19  HOST_OS_EXTRA \
20  HOST_CROSS_OS \
21  HOST_CROSS_ARCH \
22  HOST_CROSS_2ND_ARCH \
23  HOST_BUILD_TYPE \
24  BUILD_ID \
25  OUT_DIR
26
27ifeq ($(TARGET_BUILD_PDK),true)
28print_build_config_vars += \
29  TARGET_BUILD_PDK \
30  PDK_FUSION_PLATFORM_ZIP
31endif
32
33# ---------------------------------------------------------------
34# the setpath shell function in envsetup.sh uses this to figure out
35# what to add to the path given the config we have chosen.
36ifeq ($(CALLED_FROM_SETUP),true)
37
38ifneq ($(filter /%,$(HOST_OUT_EXECUTABLES)),)
39ABP:=$(HOST_OUT_EXECUTABLES)
40else
41ABP:=$(PWD)/$(HOST_OUT_EXECUTABLES)
42endif
43
44ANDROID_BUILD_PATHS := $(ABP)
45ANDROID_PREBUILTS := prebuilt/$(HOST_PREBUILT_TAG)
46ANDROID_GCC_PREBUILTS := prebuilts/gcc/$(HOST_PREBUILT_TAG)
47
48# The "dumpvar" stuff lets you say something like
49#
50#     CALLED_FROM_SETUP=true \
51#       make -f config/envsetup.make dumpvar-TARGET_OUT
52# or
53#     CALLED_FROM_SETUP=true \
54#       make -f config/envsetup.make dumpvar-abs-HOST_OUT_EXECUTABLES
55#
56# The plain (non-abs) version just dumps the value of the named variable.
57# The "abs" version will treat the variable as a path, and dumps an
58# absolute path to it.
59#
60dumpvar_goals := \
61	$(strip $(patsubst dumpvar-%,%,$(filter dumpvar-%,$(MAKECMDGOALS))))
62ifdef dumpvar_goals
63
64  ifneq ($(words $(dumpvar_goals)),1)
65    $(error Only one "dumpvar-" goal allowed. Saw "$(MAKECMDGOALS)")
66  endif
67
68  # If the goal is of the form "dumpvar-abs-VARNAME", then
69  # treat VARNAME as a path and return the absolute path to it.
70  absolute_dumpvar := $(strip $(filter abs-%,$(dumpvar_goals)))
71  ifdef absolute_dumpvar
72    dumpvar_goals := $(patsubst abs-%,%,$(dumpvar_goals))
73    ifneq ($(filter /%,$($(dumpvar_goals))),)
74      DUMPVAR_VALUE := $($(dumpvar_goals))
75    else
76      DUMPVAR_VALUE := $(PWD)/$($(dumpvar_goals))
77    endif
78    dumpvar_target := dumpvar-abs-$(dumpvar_goals)
79  else
80    DUMPVAR_VALUE := $($(dumpvar_goals))
81    dumpvar_target := dumpvar-$(dumpvar_goals)
82  endif
83
84.PHONY: $(dumpvar_target)
85$(dumpvar_target):
86	@echo $(DUMPVAR_VALUE)
87
88endif # dumpvar_goals
89
90ifneq ($(dumpvar_goals),report_config)
91PRINT_BUILD_CONFIG:=
92endif
93
94ifneq ($(filter report_config,$(DUMP_MANY_VARS)),)
95# Construct the shell commands that print the config banner.
96report_config_sh := echo '============================================';
97report_config_sh += $(foreach v,$(print_build_config_vars),echo '$v=$($(v))';)
98report_config_sh += echo '============================================';
99endif
100
101# Dump mulitple variables to "<var>=<value>" pairs, one per line.
102# The output may be executed as bash script.
103# Input variables:
104#   DUMP_MANY_VARS: the list of variable names.
105#   DUMP_VAR_PREFIX: an optional prefix of the variable name added to the output.
106#   DUMP_MANY_ABS_VARS: the list of abs variable names.
107#   DUMP_ABS_VAR_PREFIX: an optional prefix of the abs variable name added to the output.
108.PHONY: dump-many-vars
109dump-many-vars :
110	@$(foreach v, $(filter-out report_config, $(DUMP_MANY_VARS)),\
111	  echo "$(DUMP_VAR_PREFIX)$(v)='$($(v))'";)
112ifneq ($(filter report_config, $(DUMP_MANY_VARS)),)
113	@# Construct a special variable for report_config.
114	@# Escape \` to defer the execution of report_config_sh to preserve the line breaks.
115	@echo "$(DUMP_VAR_PREFIX)report_config=\`$(report_config_sh)\`"
116endif
117	@$(foreach v, $(sort $(DUMP_MANY_ABS_VARS)),\
118	  echo "$(DUMP_ABS_VAR_PREFIX)$(v)='$(PWD)/$($(v))'";)
119
120endif # CALLED_FROM_SETUP
121
122ifneq ($(PRINT_BUILD_CONFIG),)
123$(info ============================================)
124$(foreach v, $(print_build_config_vars),\
125  $(info $v=$($(v))))
126$(info ============================================)
127endif
128