add some CFLAGs to shrink binary file size (fix #1499)

MaBecker · gfwilliams · commit e7fcf053c846 · 2018-09-05T08:20:06.000+01:00
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,4 @@
+            ES8266: add CFLAGs to shrink binaray files (fix #1499)
             ESP32: update sdk to esp-idf 3.0.1, set Espruino build tools back to master branch
 	    Allow changeInterval with large (>32 bit) intervals (fix #1438)
             changeInterval now changes the interval immediately when it's called inside the interval it is changing (fix #1440)
diff --git a/make/family/ESP8266.make b/make/family/ESP8266.make
@@ -63,7 +63,8 @@ CFLAGS+= -fno-builtin \
 -Wno-maybe-uninitialized -Wno-old-style-declaration -Wno-conversion -Wno-unused-variable \
 -Wno-unused-parameter -Wno-ignored-qualifiers -Wno-discarded-qualifiers -Wno-float-conversion \
 -Wno-parentheses -Wno-type-limits -Wno-unused-function -Wno-unused-value \
--Wl,EL -Wl,--gc-sections -nostdlib -mlongcalls -mtext-section-literals
+-Wl,EL -Wl,--gc-sections -nostdlib -mlongcalls -mtext-section-literals \
+-fno-guess-branch-probability -freorder-blocks-and-partition -fno-cse-follow-jumps
 
 # only use mfore-l32 if 4MB board for now
 ifdef FLASH_4MB 

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+ ES8266: add CFLAGs to shrink binaray files (fix #1499)`
`1`	`2`	`ESP32: update sdk to esp-idf 3.0.1, set Espruino build tools back to master branch`
`2`	`3`	`Allow changeInterval with large (>32 bit) intervals (fix #1438)`
`3`	`4`	`changeInterval now changes the interval immediately when it's called inside the interval it is changing (fix #1440)`