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build system: add PIE build option

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This commit is contained in:
Denis Vlasenko
2008-06-04 11:28:24 +00:00
parent 1e93f3c585
commit 1da86d2f40
5 changed files with 32 additions and 10 deletions
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6
scripts/Makefile.IMA
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@ -45,8 +45,8 @@ STRIP = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
CFLAGS := $(CFLAGS)
CPPFLAGS+= -D"KBUILD_STR(s)=\#s" #-Q
CFLAGS := $(CFLAGS)
CPPFLAGS += -D"KBUILD_STR(s)=\#s" #-Q
# We need some generic definitions
include $(srctree)/scripts/Kbuild.include
@ -180,7 +180,7 @@ busybox_unstripped.o: $(usage_stuff) include/applet_tables.h include/autoconf.h
busybox: busybox_unstripped.o
$(srctree)/scripts/trylink \
busybox_unstripped \
"$(CC)" \
"$(CC) $(CFLAGS_busybox)" \
"$(CFLAGS)" \
"$(LDFLAGS)" \
"busybox_unstripped.o" \

4
scripts/Makefile.build
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@ -251,8 +251,8 @@ ifdef builtin-target
quiet_cmd_link_o_target = LD $@
# If the list of objects to link is empty, just create an empty built-in.o
cmd_link_o_target = $(if $(strip $(obj-y)),\
$(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^),\
rm -f $@; $(AR) rcs $@)
$(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^),\
rm -f $@; $(AR) rcs $@)
$(builtin-target): $(obj-y) FORCE
$(call if_changed,link_o_target)