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linux-tools/perf: fix build for MIPS by using the right emulation on LD

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Passing just the endianness flag to LD is not enough. We need to pass
the right emulation flag which will set everything for us, not only the
endianness.

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Vicente Olivert Riera 2017-02-17 10:59:05 +00:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 32caa954b0
commit f574a8eba6
1 changed files with 19 additions and 11 deletions
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30
package/linux-tools/linux-tool-perf.mk.in
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@ -28,17 +28,25 @@ PERF_MAKE_FLAGS = \
NO_LIBPYTHON=1 \ NO_LIBPYTHON=1 \
NO_LIBBIONIC=1 NO_LIBBIONIC=1
# We need to pass an argument to ld for setting the endianness when # We need to pass an argument to ld for setting the emulation when
# building it for MIPS architecture, otherwise the default one will # building for MIPS architecture, otherwise the default one will always
# always be used (which is big endian) and the compilation for little # be used and the compilation for most variants will fail.
# endian will always fail showing an error like this one: ifeq ($(BR2_mips),y)
# LD foo.o PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32btsmip"
# mips-linux-gnu-ld: foo.o: compiled for a little endian system and else ifeq ($(BR2_mipsel),y)
# target is big endian PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32ltsmip"
ifeq ($(BR2_mips)$(BR2_mips64),y) else ifeq ($(BR2_mips64),y)
PERF_MAKE_FLAGS += LD="$(TARGET_LD) -EB" ifeq ($(BR2_MIPS_NABI32),y)
else ifeq ($(BR2_mipsel)$(BR2_mips64el),y) PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32btsmipn32"
PERF_MAKE_FLAGS += LD="$(TARGET_LD) -EL" else
PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf64btsmip"
endif
else ifeq ($(BR2_mips64el),y)
ifeq ($(BR2_MIPS_NABI32),y)
PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf32ltsmipn32"
else
PERF_MAKE_FLAGS += LD="$(TARGET_LD) -m elf64ltsmip"
endif
endif endif
# The call to backtrace() function fails for ARC, because for some # The call to backtrace() function fails for ARC, because for some