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libunwind: fix build when unused sections are garbage collected

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poky-tiny uses gcsections.inc to strip unused sections from the
binaries.  However, on qemuarm5/qemuarm64 with poky-tiny this appears to
result in too much being removed and the link fails:

  ld: .libs/Gtest-trace: hidden symbol `__aarch64_cas8_acq_rel' in
  libgcc.a(cas_8_4.o) is referenced by DSO

Work around this by disabling gcsections.inc.

(From OE-Core rev: 3291827895906e879a7f115eae78aec921a5aa96)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton 2025-04-25 12:43:21 +01:00 committed by Richard Purdie
parent bb3fc52010
commit 35c08bed88
1 changed files with 4 additions and 0 deletions
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meta/recipes-support/libunwind/libunwind_1.8.1.bb
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@ -33,6 +33,10 @@ EXTRA_OECONF = "--enable-static"
ARM_INSTRUCTION_SET:armv4 = "arm"
ARM_INSTRUCTION_SET:armv5 = "arm"
# With qemuarm64 and poky-tiny:
# ld: .libs/Gtest-trace: hidden symbol `__aarch64_cas8_acq_rel' in libgcc.a(cas_8_4.o) is referenced by DSO
LDFLAGS_SECTION_REMOVAL = ""
LDFLAGS += "-Wl,-z,relro,-z,now"
SECURITY_LDFLAGS:append:libc-musl = " -lssp_nonshared"