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unix: Time to build with --gc-sections. 

This actually saves "only" 6K for x86_64 build, as we're still more or less
careful to #ifdef unneeded code. But relying on --gc-sections in a "lazy"
manner would allow to make #ifdef'ing less pervasive (not suggested right
away, but an option for the future).
This commit is contained in:
Paul Sokolovsky 2016-06-17 02:38:20 +03:00
parent 332545baa3
commit df453f0652
1 changed files with 2 additions and 2 deletions
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4
unix/Makefile
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@ -28,7 +28,7 @@ ifdef DEBUG
CFLAGS += -g
COPT = -O0
else
COPT = -Os #-DNDEBUG
COPT = -Os -fdata-sections -ffunction-sections #-DNDEBUG
# _FORTIFY_SOURCE is a feature in gcc/glibc which is intended to provide extra
# security for detecting buffer overflows. Some distros (Ubuntu at the very least)
# have it enabled by default.
@ -68,7 +68,7 @@ else
# Use gcc syntax for map file
LDFLAGS_ARCH = -Wl,-Map=$@.map,--cref
endif
LDFLAGS = $(LDFLAGS_MOD) $(LDFLAGS_ARCH) -lm $(LDFLAGS_EXTRA)
LDFLAGS = $(LDFLAGS_MOD) $(LDFLAGS_ARCH) -lm $(LDFLAGS_EXTRA) -Wl,--gc-sections
ifeq ($(MICROPY_FORCE_32BIT),1)
# Note: you may need to install i386 versions of dependency packages,