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loader: --gc-sections needs sections to work with

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--gc-sections is not really useful unless we generate sections with
-ffunction-sections -fdata-sections

While there, i386/loader would win from --gc-sections too.
This commit is contained in:
Toomas Soome 2019-09-08 19:39:45 +00:00
parent c344416ecd
commit 094b40659f
2 changed files with 2 additions and 1 deletions
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1
stand/defs.mk
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@ -65,6 +65,7 @@ CFLAGS+= -Ddouble=jagged-little-pill -Dfloat=floaty-mcfloatface
# Experience has shown that problems arise between ~520k to ~530k. # Experience has shown that problems arise between ~520k to ~530k.
CFLAGS.clang+= -Oz CFLAGS.clang+= -Oz
CFLAGS.gcc+= -Os CFLAGS.gcc+= -Os
CFLAGS+= -ffunction-sections -fdata-sections
.endif .endif
# GELI Support, with backward compat hooks (mostly) # GELI Support, with backward compat hooks (mostly)

2
stand/i386/loader/Makefile
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@ -47,7 +47,7 @@ HELP_FILES= ${.CURDIR}/help.i386
CLEANFILES+= ${LOADER} ${LOADER}.bin CLEANFILES+= ${LOADER} ${LOADER}.bin
CFLAGS+= -Wall CFLAGS+= -Wall
LDFLAGS+= -static -Ttext 0x0 LDFLAGS+= -static -Ttext 0x0 -Wl,--gc-sections
# i386 standalone support library # i386 standalone support library
LIBI386= ${BOOTOBJ}/i386/libi386/libi386.a LIBI386= ${BOOTOBJ}/i386/libi386/libi386.a