Make tests work on public repo as well

PUBLISHED_FROM=78acb18d597b6f47f31da13087fa6685f21ce445

src/common/platforms/esp8266/common.mk

@@ -0,0 +1,76 @@
+CFLAGS_EXTRA ?=
+
+XTENSA_TOOLS_ROOT ?= /opt/Espressif/crosstool-NG/builds/xtensa-lx106-elf/bin
+SDK_PATH ?= /opt/Espressif/ESP8266_SDK
+ESPTOOL ?= esptool.py
+ESPPORT ?= /dev/ttyACM0
+ESPSPEED ?= 230400
+# For flash = > 16Mbit
+ESPFLASHARGS = --flash_mode dio --flash_size 32m
+
+VERBOSE ?= 0
+
+CC := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
+CXX := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-g++
+AR := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-ar
+LD := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-gcc
+OBJCOPY := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-objcopy
+NM := $(XTENSA_TOOLS_ROOT)/xtensa-lx106-elf-nm
+CC_WRAPPER ?=
+
+define link
+$(vecho) "LD    $@"
+$(Q) $(CC_WRAPPER) $(LD) $(LIBDIRS) -T$(LD_SCRIPT) $(LDFLAGS) -o $@ \
+-Wl,-Map=$@.map -Wl,--start-group $1 -Wl,--end-group
+endef
+
+define compile_params
+$(vecho) "$5    $1 -> $2"
+$(Q) $(CC_WRAPPER) $3 -MD -MP $(INCDIRS) $4 -c $1 -o $2
+endef
+
+define compile
+$(call compile_params,$<,$@, $(CC), $(CFLAGS),"CC")
+endef
+
+define compile_cxx
+$(call compile_params,$<,$@, $(CXX), $(CXXFLAGS),"CXX")
+endef
+
+# some of these flags works around for gdb 7.5.x stacktrace issue
+# while still allowing -Os to remove padding between data in .rodata
+# section, allowing us to gain about 1k of ram.
+# text section is 4k bigger, but we care more about ram at the moment.
+# TODO(mkm): figure out which flag(s).
+NO_Os_FLAGS= -fno-expensive-optimizations -fno-thread-jumps \
+             -fno-align-functions -fno-align-jumps \
+             -fno-align-loops -fno-align-labels -fno-caller-saves \
+             -fno-crossjumping -fno-cse-follow-jumps -fno-cse-skip-blocks \
+             -fno-delete-null-pointer-checks -fno-devirtualize  \
+             -fno-gcse -fno-gcse-lm -fno-hoist-adjacent-loads \
+             -fno-inline-small-functions -fno-indirect-inlining -fno-partial-inlining \
+             -fno-ipa-cp -fno-ipa-sra -fno-peephole2 -fno-optimize-sibling-calls -fno-optimize-strlen \
+             -fno-reorder-blocks -fno-reorder-blocks-and-partition -fno-reorder-functions \
+             -fno-sched-interblock -fno-sched-spec -fno-rerun-cse-after-loop \
+             -fno-schedule-insns -fno-schedule-insns2 -fno-strict-aliasing -fno-strict-overflow \
+             -fno-tree-builtin-call-dce -fno-tree-switch-conversion -fno-tree-tail-merge \
+             -fno-tree-pre -fno-tree-vrp
+
+C_CXX_FLAGS  = -W -Wall -Werror -Wundef -Wno-comment -Wno-variadic-macros -Wpointer-arith \
+               -Os $(NO_Os_FLAGS) -g3 \
+               -Wl,-EL -fno-inline-functions \
+               -D_XOPEN_SOURCE=500 \
+               -nostdlib -mlongcalls -mtext-section-literals -D__ets__ -DSTATIC=static \
+               -Wno-parentheses \
+               -DIRAM='__attribute__((section(".fast.text")))' \
+               -DICACHE_RAM_ATTR=IRAM \
+               -DNOINSTR='__attribute__((no_instrument_function))' \
+               -DCS_PLATFORM=3 \
+               -ffunction-sections -fdata-sections
+
+CFLAGS = -std=c99 $(C_CXX_FLAGS)
+CXXFLAGS = -std=gnu++11 -fno-exceptions $(C_CXX_FLAGS)
+
+# linker flags used to generate the main object file
+LDFLAGS = -nostdlib -Wl,--no-check-sections -u call_user_start \
+          -Wl,-static -Wl,--gc-sections