From f60c570eaccc3b0f993bf220c58f54b39e1f0419 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Sat, 3 Feb 2018 16:39:53 +0100
Subject: [PATCH] Add platformio floats removal (#1694)

---
 pio/strip-floats.py | 15 +++++++++++++++
 platformio.ini      | 11 +++++++++--
 2 files changed, 24 insertions(+), 2 deletions(-)
 create mode 100644 pio/strip-floats.py

diff --git a/pio/strip-floats.py b/pio/strip-floats.py
new file mode 100644
index 000000000..da916ebe2
--- /dev/null
+++ b/pio/strip-floats.py
@@ -0,0 +1,15 @@
+Import('env')
+
+#
+# Dump build environment (for debug)
+#print env.Dump()
+#
+
+flags = " ".join(env['LINKFLAGS'])
+flags = flags.replace("-u _printf_float", "")
+flags = flags.replace("-u _scanf_float", "")
+newflags = flags.split()
+
+env.Replace(
+  LINKFLAGS=newflags
+)
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index 8d5b78f9a..30ea532a3 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -26,6 +26,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -35,11 +36,11 @@ monitor_baud = 115200
 
 ; *** Upload file to OTA server using SCP
 ;upload_port = user@host:/path
-;extra_scripts = pio/sftp-uploader.py
+;extra_scripts = pio/strip-floats.py, pio/sftp-uploader.py
 
 ; *** Upload file to OTA server using HTTP
 ;upload_port = domus1:80/api/upload-arduino.php
-;extra_scripts = pio/http-uploader.py
+;extra_scripts = pio/strip-floats.py, pio/http-uploader.py
 
 [env:sonoff-DE]
 platform = espressif8266
@@ -48,6 +49,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512 -DMY_LANGUAGE=de-DE
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 [env:sonoff-IT]
 platform = espressif8266
@@ -56,6 +58,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512 -DMY_LANGUAGE=it-IT
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 [env:sonoff-NL]
 platform = espressif8266
@@ -64,6 +67,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512 -DMY_LANGUAGE=nl-NL
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 [env:sonoff-PL]
 platform = espressif8266
@@ -72,6 +76,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512 -DMY_LANGUAGE=pl-PL
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 [env:sonoff-minimal]
 platform = espressif8266
@@ -80,6 +85,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512 -DBE_MINIMAL
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 [env:sonoff-ds18x20]
 platform = espressif8266
@@ -88,3 +94,4 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=707 -DUSE_DS18x20 -DMESSZ=600
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py