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libunwind: Link with libucontext on musl

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Functions like unw_getcontext in libunwind call getcontext() which are
not part of musl C library like glibc, however there is a supplimental
library providing these functions called libucontext, therefore link
libunwind with a static version of this library to resolve such symbols,
this inturn helps packages needing libunwind, who look for certain
APIs in libunwind during configure e.g. heaptrack

(From OE-Core rev: 824c07d1cf2d1574dfe8f395af37479064782426)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2021-03-11 23:26:25 -08:00
committed by Richard Purdie
parent 603e14dc68
commit 028fcc2348
2 changed files with 2 additions and 0 deletions
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1
meta/recipes-support/libunwind/libunwind.inc
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@@ -4,6 +4,7 @@ HOMEPAGE = "http://www.nongnu.org/libunwind"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://COPYING;md5=2d80c8ed4062b8339b715f90fa68cc9f"
DEPENDS += "libatomic-ops"
DEPENDS_append_libc-musl = " libucontext"
inherit autotools multilib_header

1
meta/recipes-support/libunwind/libunwind_1.5.0.bb
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@@ -25,3 +25,4 @@ COMPATIBLE_HOST_riscv32 = "null"
LDFLAGS += "-Wl,-z,relro,-z,now ${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-gold', ' -fuse-ld=bfd ', '', d)}"
SECURITY_LDFLAGS_append_libc-musl = " -lssp_nonshared"
CACHED_CONFIGUREVARS_append_libc-musl = " LDFLAGS='${LDFLAGS} -lucontext'"