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Build system: track -Wl,-elf2flt in CFLAGS_busybox too.

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Document in comments that it generally should be thers,
not in LDFLAGS
This commit is contained in:
Denis Vlasenko 2008-06-06 16:11:12 +00:00
parent 7bdf0c82da
commit 401de648a7
2 changed files with 10 additions and 2 deletions
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9
Makefile.flags
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@ -91,8 +91,13 @@ ifeq ($(CONFIG_DMALLOC),y)
LDLIBS += dmalloc LDLIBS += dmalloc
endif endif
LDFLAGS_ELF2FLT = -Wl,-elf2flt # If a flat binary should be built, CFLAGS_busybox="-Wl,-elf2flt"
ifneq (,$(findstring $(LDFLAGS_ELF2FLT),$(LDFLAGS))) # env var should be set for make invocation.
# Here we check whether CFLAGS_busybox indeed contains that flag.
# (For historical reasons, we also check LDFLAGS, which doesn't
# seem to be entirely correct variable to put "-Wl,-elf2flt" into).
W_ELF2FLT = -Wl,-elf2flt
ifneq (,$(findstring $(W_ELF2FLT),$(LDFLAGS) $(CFLAGS_busybox)))
SKIP_STRIP = y SKIP_STRIP = y
endif endif

3
scripts/Makefile.lib
View File

@ -117,6 +117,7 @@ a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(CPPFLAGS) \
cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(__cpp_flags) cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(__cpp_flags)
# TODO: seems to be a wrong thing to do! LDFLAGS contains gcc's flags!
ld_flags = $(LDFLAGS) $(EXTRA_LDFLAGS) ld_flags = $(LDFLAGS) $(EXTRA_LDFLAGS)
# Finds the multi-part object the current object will be linked into # Finds the multi-part object the current object will be linked into
@ -146,6 +147,8 @@ $(obj)/%:: $(src)/%_shipped
# Linking # Linking
# --------------------------------------------------------------------------- # ---------------------------------------------------------------------------
# TODO: LDFLAGS usually is supposed to contain gcc's flags, not ld's.
# but here we feed them to ld!
quiet_cmd_ld = LD $@ quiet_cmd_ld = LD $@
cmd_ld = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) \ cmd_ld = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) \
$(filter-out FORCE,$^) -o $@ $(filter-out FORCE,$^) -o $@