[PATCH 3/3] ldso: exclude -fasynchronous-unwind-tables from ldso CFLAGS

[Filippo ARCIDIACONO]

At least on ARM, building the ld.so with -fasynchronous-unwind-tables
for backtrace is creating a dependencies against libc through libgcc_eh.
So it needs to exclude this from the ldso cflags.

Signed-off-by: Carmelo Amoroso <carmelo.amoroso at st.com>
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono at st.com>
---
 ldso/ldso/Makefile.in |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/ldso/ldso/Makefile.in b/ldso/ldso/Makefile.in
index 91165c6..65f9a46 100644
--- a/ldso/ldso/Makefile.in
+++ b/ldso/ldso/Makefile.in
@@ -30,6 +30,8 @@ CFLAGS-ldso/ldso/$(TARGET_ARCH)/ := $(CFLAGS-ldso)
 
 CFLAGS-ldso.c := -DLDSO_ELFINTERP=\"$(TARGET_ARCH)/elfinterp.c\" $(CFLAGS-ldso)
 
+CFLAGS-OMIT-ldso.c = -fasynchronous-unwind-tables
+
 LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-$(UCLIBC_LDSO_NAME).so := -Wl,--dsbt-index=1
 ifneq ($(SUPPORT_LD_DEBUG),y)
 LDFLAGS-$(UCLIBC_LDSO_NAME).so := $(LDFLAGS)
-- 
1.7.7.6