Commit e3d5da65 authored by Gustavo Zacarias's avatar Gustavo Zacarias Committed by Thomas Petazzoni
Browse files

musl: work around gcc 4.9.x bug 



MUSL doesn't build happily with gcc 4.9.0/1 so work around the bug when
appropiate as suggested by upstream.

Signed-off-by: default avatarGustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
parent 21e468fc

package/musl/musl.mk

+7 −1
Original line number Diff line number Diff line
@@ -18,6 +18,12 @@ MUSL_ADD_TOOLCHAIN_DEPENDENCY = NO 


MUSL_INSTALL_STAGING = YES



# gcc constant folding bug with weak aliases workaround

# See http://www.openwall.com/lists/musl/2014/05/15/1

ifeq ($(BR2_GCC_VERSION_4_9_X),y)

MUSL_EXTRA_CFLAGS += -fno-toplevel-reorder

endif



# We need to run the musl configure script prior to building the

# gcc-intermediate, so that we can call the install-headers step and

# get the crt<X>.o built. However, we need to call it again after
@@ -29,7 +35,7 @@ MUSL_INSTALL_STAGING = YES 
define MUSL_CONFIGURE_CALL

	(cd $(@D); \

		$(TARGET_CONFIGURE_OPTS) \

		CFLAGS="$(filter-out -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64,$(TARGET_CFLAGS))" \

		CFLAGS="$(filter-out -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64,$(TARGET_CFLAGS)) $(MUSL_EXTRA_CFLAGS)" \

		CPPFLAGS="$(filter-out -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64,$(TARGET_CPPFLAGS))" \

		./configure \

			--target=$(GNU_TARGET_NAME) \