From 8a14dab8bdad1d819924d6039b16061fccef3df2 Mon Sep 17 00:00:00 2001 From: Gustavo Zacarias Date: Mon, 12 Aug 2013 15:02:42 -0300 Subject: [PATCH] ltrace: disable libunwind for uClibc toolchains ltrace requires that libunwind is built with backtrace() support. For the internal uClibc toolchain we don't enable it, and for external uClibc toolchains we can't know. It's also unavailable for static uClibc toolchains. So just disable libunwind support for uClibc toolchains in general. Fixes: http://autobuild.buildroot.net/results/ee0/ee037a19590fb85c64f97f78f74bcfd4d7766706/ Signed-off-by: Gustavo Zacarias Signed-off-by: Thomas Petazzoni --- package/ltrace/ltrace.mk | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/package/ltrace/ltrace.mk b/package/ltrace/ltrace.mk index 7b8d859b0..55930b8c1 100644 --- a/package/ltrace/ltrace.mk +++ b/package/ltrace/ltrace.mk @@ -13,4 +13,15 @@ LTRACE_CONF_OPT = --disable-werror LTRACE_LICENSE = GPLv2 LTRACE_LICENSE_FILES = COPYING +# ltrace can use libunwind only if libc has backtrace() support +# We don't normally do so for uClibc and we can't know if it's external +ifeq ($(BR2_PACKAGE_LIBUNWIND),y) +ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),) +LTRACE_CONF_OPT += --with-libunwind=yes +LTRACE_DEPENDENCIES += libunwind +else +LTRACE_CONF_OPT += --with-libunwind=no +endif +endif + $(eval $(autotools-package))