| Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 1 | .PHONY: all |
| 2 | all: _all |
| 3 | |
| 4 | # disable built-in rules |
| 5 | .SUFFIXES: |
| 6 | |
| 7 | # setup some variables |
| 8 | ROOTDIR := $(dir $(lastword $(MAKEFILE_LIST))) |
| 9 | ROOTDIR := $(dir $(ROOTDIR:%../src/=%))../ |
| 10 | BUILDDIR ?= $(abspath $(ROOTDIR)build) |
| 11 | BUILDDIR := $(BUILDDIR:%/=%) |
| 12 | ABSROOT := $(abspath $(ROOTDIR)) |
| 13 | ifeq ($(origin OUT),command line) |
| 14 | _PROJ := $(OUT:%/=%) |
| 15 | _PROJ := $(_PROJ:$(BUILDDIR)/%=%) |
| 16 | else |
| 17 | _PROJ := $(abspath $(dir $(firstword $(MAKEFILE_LIST)))) |
| 18 | _PROJ := $(_PROJ:$(ABSROOT)/%=%) |
| 19 | endif |
| 20 | |
| 21 | ifndef CC |
| 22 | CC=gcc |
| 23 | endif |
| 24 | |
| 25 | ifndef RANLIB |
| 26 | RANLIB=ranlib |
| 27 | endif |
| 28 | |
| 29 | ifndef LDO |
| 30 | LDO=$(CC) |
| 31 | endif |
| 32 | |
| 33 | ifndef CFLAGS |
| 34 | CFLAGS = -MMD -O2 -Wall -g |
| 35 | endif |
| 36 | |
| 37 | ifneq ($(CONFIG_FILE),) |
| 38 | -include $(CONFIG_FILE) |
| 39 | |
| 40 | # export for sub-makefiles |
| 41 | export CONFIG_CODE_COVERAGE |
| 42 | |
| 43 | .PHONY: verify_config |
| 44 | verify_config: |
| 45 | @if [ ! -r $(CONFIG_FILE) ]; then \ |
| 46 | echo 'Building $(firstword $(ALL)) requires a configuration file'; \ |
| 47 | echo '(.config). See README for more instructions. You can'; \ |
| 48 | echo 'run "cp defconfig .config" to create an example'; \ |
| 49 | echo 'configuration.'; \ |
| 50 | exit 1; \ |
| 51 | fi |
| 52 | VERIFY := verify_config |
| 53 | else |
| 54 | VERIFY := |
| 55 | endif |
| 56 | |
| 57 | # default target |
| 58 | .PHONY: _all |
| 59 | _all: $(VERIFY) $(ALL) $(EXTRA_TARGETS) |
| 60 | |
| 61 | # continue setup |
| 62 | COVSUFFIX := $(if $(CONFIG_CODE_COVERAGE),-cov,) |
| 63 | PROJ := $(_PROJ)$(COVSUFFIX) |
| 64 | |
| 65 | Q=@ |
| 66 | E=echo |
| 67 | ifeq ($(V), 1) |
| 68 | Q= |
| 69 | E=true |
| 70 | endif |
| 71 | ifeq ($(QUIET), 1) |
| 72 | Q=@ |
| 73 | E=true |
| 74 | endif |
| 75 | |
| 76 | ifeq ($(Q),@) |
| 77 | MAKEFLAGS += --no-print-directory |
| 78 | endif |
| 79 | |
| 80 | _DIRS := $(BUILDDIR)/$(PROJ) |
| 81 | .PHONY: _make_dirs |
| 82 | _make_dirs: |
| Sunil Ravi | 99c035e | 2024-07-12 01:42:03 +0000 | [diff] [blame^] | 83 | @mkdir -p $(sort $(_DIRS)) |
| Hai Shalom | 899fcc7 | 2020-10-19 14:38:18 -0700 | [diff] [blame] | 84 | |
| 85 | $(BUILDDIR)/$(PROJ)/src/%.o: $(ROOTDIR)src/%.c $(CONFIG_FILE) | _make_dirs |
| 86 | $(Q)$(CC) -c -o $@ $(CFLAGS) $< |
| 87 | @$(E) " CC " $< |
| 88 | $(BUILDDIR)/$(PROJ)/%.o: %.c $(CONFIG_FILE) | _make_dirs |
| 89 | $(Q)$(CC) -c -o $@ $(CFLAGS) $< |
| 90 | @$(E) " CC " $< |
| 91 | # for the fuzzing tests |
| 92 | $(BUILDDIR)/$(PROJ)/wpa_supplicant/%.o: $(ROOTDIR)wpa_supplicant/%.c $(CONFIG_FILE) | _make_dirs |
| 93 | $(Q)$(CC) -c -o $@ $(CFLAGS) $< |
| 94 | @$(E) " CC " $< |
| 95 | |
| 96 | # libraries - they know how to build themselves |
| 97 | # (lib_phony so we recurse all the time) |
| 98 | .PHONY: lib_phony |
| 99 | lib_phony: |
| 100 | # nothing |
| 101 | |
| 102 | $(BUILDDIR)/$(PROJ)/%.a: $(CONFIG_FILE) lib_phony |
| 103 | $(Q)$(MAKE) -C $(ROOTDIR)$(dir $(@:$(BUILDDIR)/$(PROJ)/%=%)) OUT=$(abspath $(dir $@))/ |
| 104 | |
| 105 | BUILDOBJ = $(patsubst %,$(BUILDDIR)/$(PROJ)/%,$(patsubst $(ROOTDIR)%,%,$(1))) |
| 106 | |
| 107 | .PHONY: common-clean |
| 108 | common-clean: |
| 109 | $(Q)rm -rf $(ALL) $(BUILDDIR)/$(PROJ) |