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Makefile
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Makefile
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# Directory the Makefile is in. Please don't include other Makefiles before this.
THISDIR:=$(dir $(abspath $(lastword $(MAKEFILE_LIST))))
#Include httpd config from lower level, if it exists
-include ../esphttpdconfig.mk
#Default options. If you want to change them, please create ../esphttpdconfig.mk with the options you want in it.
GZIP_COMPRESSION ?= no
COMPRESS_W_YUI ?= no
YUI-COMPRESSOR ?= /usr/bin/yui-compressor
USE_HEATSHRINK ?= yes
HTTPD_WEBSOCKETS ?= yes
USE_OPENSDK ?= no
HTTPD_MAX_CONNECTIONS ?= 4
#For FreeRTOS
HTTPD_STACKSIZE ?= 2048
#Auto-detect ESP32 build if not given.
ifneq (,$(wildcard $(SDK_PATH)/include/esp32))
ESP32 ?= yes
FREERTOS ?= yes
else
ESP32 ?= no
FREERTOS ?= no
endif
# Output directors to store intermediate compiled files
# relative to the project directory
BUILD_BASE = build
# Base directory for the compiler. Needs a / at the end; if not set it'll use the tools that are in
# the PATH.
XTENSA_TOOLS_ROOT ?=
# base directory of the ESP8266 SDK package, absolute
# Only used for the non-FreeRTOS build
SDK_BASE ?= /opt/Espressif/ESP8266_SDK
# Base directory of the ESP8266 FreeRTOS SDK package, absolute
# Only used for the FreeRTOS build
SDK_PATH ?= /opt/Espressif/ESP8266_RTOS_SDK
# name for the target project
LIB = libesphttpd.a
# which modules (subdirectories) of the project to include in compiling
MODULES = espfs core util
EXTRA_INCDIR = ./include \
. \
lib/heatshrink/
# compiler flags using during compilation of source files
CFLAGS = -Os -ggdb -std=c99 -Werror -Wpointer-arith -Wundef -Wall -Wl,-EL -fno-inline-functions \
-nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DICACHE_FLASH \
-Wno-address -DHTTPD_MAX_CONNECTIONS=$(HTTPD_MAX_CONNECTIONS) -DHTTPD_STACKSIZE=$(HTTPD_STACKSIZE) \
# various paths from the SDK used in this project
SDK_LIBDIR = lib
SDK_LDDIR = ld
ifeq ("$(FREERTOS)","yes")
CFLAGS += -DFREERTOS -DLWIP_OPEN_SRC -ffunction-sections -fdata-sections
ifeq ("$(ESP32)","yes")
SDK_INCDIR = include \
include/esp32 \
driver_lib/include \
extra_include \
third_party/include \
third_party/include/cjson \
third_party/include/freertos \
third_party/include/lwip \
third_party/include/lwip/ipv4 \
third_party/include/lwip/ipv6 \
third_party/include/ssl
CFLAGS += -DESP32 -DFREERTOS -DLWIP_OPEN_SRC -ffunction-sections -fdata-sections
else
SDK_INCDIR = include \
include/freertos \
include/espressif/esp8266 \
include/espressif \
extra_include \
include/lwip \
include/lwip/lwip \
include/lwip/ipv4 \
include/lwip/ipv6
CFLAGS += -DFREERTOS -DLWIP_OPEN_SRC -ffunction-sections -fdata-sections
endif
SDK_INCDIR := $(addprefix -I$(SDK_PATH)/,$(SDK_INCDIR))
else
SDK_INCDIR = include
SDK_INCDIR := $(addprefix -I$(SDK_BASE)/,$(SDK_INCDIR))
endif
ifeq ("$(ESP32)","yes")
TOOLPREFIX=xtensa-esp108-elf-
CFLAGS+=-DESP32
else
TOOLPREFIX=xtensa-lx106-elf-
endif
# select which tools to use as compiler, librarian and linker
CC := $(XTENSA_TOOLS_ROOT)$(TOOLPREFIX)gcc
AR := $(XTENSA_TOOLS_ROOT)$(TOOLPREFIX)ar
LD := $(XTENSA_TOOLS_ROOT)$(TOOLPREFIX)gcc
OBJCOPY := $(XTENSA_TOOLS_ROOT)$(TOOLPREFIX)objcopy
####
#### no user configurable options below here
####
SRC_DIR := $(MODULES)
BUILD_DIR := $(addprefix $(BUILD_BASE)/,$(MODULES))
SRC := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c))
OBJ := $(patsubst %.c,$(BUILD_BASE)/%.o,$(SRC))
INCDIR := $(addprefix -I,$(SRC_DIR))
EXTRA_INCDIR := $(addprefix -I,$(EXTRA_INCDIR))
MODULE_INCDIR := $(addsuffix /include,$(INCDIR))
V ?= $(VERBOSE)
ifeq ("$(V)","1")
Q :=
vecho := @true
else
Q := @
vecho := @echo
endif
ifneq ("$(FREERTOS)","yes")
ifeq ("$(USE_OPENSDK)","yes")
CFLAGS += -DUSE_OPENSDK
else
CFLAGS += -D_STDINT_H
endif
endif
ifeq ("$(GZIP_COMPRESSION)","yes")
CFLAGS += -DGZIP_COMPRESSION
endif
ifeq ("$(USE_HEATSHRINK)","yes")
CFLAGS += -DESPFS_HEATSHRINK
endif
ifeq ("$(HTTPD_WEBSOCKETS)","yes")
CFLAGS += -DHTTPD_WEBSOCKETS
endif
vpath %.c $(SRC_DIR)
define compile-objects
$1/%.o: %.c
$(vecho) "CC $$<"
$(Q) $(CC) $(INCDIR) $(MODULE_INCDIR) $(EXTRA_INCDIR) $(SDK_INCDIR) $(CFLAGS) -c $$< -o $$@
endef
.PHONY: all checkdirs clean webpages.espfs submodules
all: checkdirs $(LIB) webpages.espfs libwebpages-espfs.a
submodules: lib/heatshrink/Makefile
lib/heatshrink/Makefile:
$(Q) echo "Heatshrink isn't found. Checking out submodules to fetch it."
$(Q) git submodule init
$(Q) git submodule update
$(LIB): $(BUILD_DIR) submodules $(OBJ)
$(vecho) "AR $@"
$(Q) $(AR) cru $@ $(OBJ)
checkdirs: $(BUILD_DIR)
$(BUILD_DIR):
$(Q) mkdir -p $@
#ignore vim swap files
FIND_OPTIONS = -not -iname '*.swp'
webpages.espfs: $(HTMLDIR) espfs/mkespfsimage/mkespfsimage
ifeq ("$(COMPRESS_W_YUI)","yes")
$(Q) rm -rf html_compressed;
$(Q) cp -r ../html html_compressed;
$(Q) echo "Compression assets with yui-compressor. This may take a while..."
$(Q) for file in `find html_compressed -type f -name "*.js"`; do $(YUI-COMPRESSOR) --type js $$file -o $$file; done
$(Q) for file in `find html_compressed -type f -name "*.css"`; do $(YUI-COMPRESSOR) --type css $$file -o $$file; done
$(Q) awk "BEGIN {printf \"YUI compression ratio was: %.2f%%\\n\", (`du -b -s html_compressed/ | sed 's/\([0-9]*\).*/\1/'`/`du -b -s ../html/ | sed 's/\([0-9]*\).*/\1/'`)*100}"
# mkespfsimage will compress html, css, svg and js files with gzip by default if enabled
# override with -g cmdline parameter
$(Q) cd html_compressed; find . $(FIND_OPTIONS) | $(THISDIR)/espfs/mkespfsimage/mkespfsimage > $(THISDIR)/webpages.espfs; cd ..;
else
$(Q) cd ../html; find . $(FIND_OPTIONS) | $(THISDIR)/espfs/mkespfsimage/mkespfsimage > $(THISDIR)/webpages.espfs; cd ..
endif
libwebpages-espfs.a: webpages.espfs
$(Q) $(OBJCOPY) -I binary -O elf32-xtensa-le -B xtensa --rename-section .data=.irom0.literal \
webpages.espfs build/webpages.espfs.o.tmp
$(Q) $(LD) -nostdlib -Wl,-r build/webpages.espfs.o.tmp -o build/webpages.espfs.o -Wl,-T webpages.espfs.ld
$(Q) $(AR) cru $@ build/webpages.espfs.o
espfs/mkespfsimage/mkespfsimage: espfs/mkespfsimage/
$(Q) $(MAKE) -C espfs/mkespfsimage USE_HEATSHRINK="$(USE_HEATSHRINK)" GZIP_COMPRESSION="$(GZIP_COMPRESSION)"
clean:
$(Q) rm -f $(LIB)
$(Q) find $(BUILD_BASE) -type f | xargs rm -f
$(Q) make -C espfs/mkespfsimage/ clean
$(Q) rm -rf $(FW_BASE)
$(Q) rm -f webpages.espfs libwebpages-espfs.a
ifeq ("$(COMPRESS_W_YUI)","yes")
$(Q) rm -rf html_compressed
endif
$(foreach bdir,$(BUILD_DIR),$(eval $(call compile-objects,$(bdir))))