aboutsummaryrefslogtreecommitdiff
path: root/toolchain
diff options
context:
space:
mode:
authorGravatar Jörg Krause <joerg.krause@embedded.rocks>2017-02-09 18:47:54 +0100
committerGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2017-02-09 21:26:22 +0100
commitaccba02a47942b54c01b506512ddccf34d57c357 (patch)
tree197a557079df751475f36e0533420d71748cd6d5 /toolchain
parente3a4c386e432c616b373a6bb3de830456a43c342 (diff)
downloadbuildroot-accba02a47942b54c01b506512ddccf34d57c357.tar.gz
buildroot-accba02a47942b54c01b506512ddccf34d57c357.tar.bz2
toolchain: add option for toolchains affected by GCC PR libstdc++/64735
exception_ptr, nested_exception, and future from libstdc++ are not available for architectures not supporting always lock-free atomic ints before GCC 7. Bug report: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64735 Fix available starting from GCC 7 (not yet released): https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=244051 Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks> [Thomas: - directly define the value where BR2_TOOLCHAIN_HAS_GCC_BUG_64735 rather than having additional patches touching affected architectures Config.in files - add a better comment above the Config.in option.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'toolchain')
-rw-r--r--toolchain/toolchain-common.in12
1 files changed, 12 insertions, 0 deletions
diff --git a/toolchain/toolchain-common.in b/toolchain/toolchain-common.in
index 7a217b65c4..c64f2046f9 100644
--- a/toolchain/toolchain-common.in
+++ b/toolchain/toolchain-common.in
@@ -7,6 +7,18 @@ source "package/gdb/Config.in.host"
comment "Toolchain Generic Options"
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64735
+# exception_ptr, nested_exception, and future from libstdc++ are not
+# available for architectures not supporting always lock-free atomic
+# ints before GCC 7
+config BR2_TOOLCHAIN_HAS_GCC_BUG_64735
+ bool
+ default y
+ depends on !BR2_nios2
+ depends on !BR2_ARM_CPU_ARMV4
+ depends on !BR2_ARM_CPU_ARMV5
+ depends on !BR2_sparc_v8
+
# https://sourceware.org/bugzilla/show_bug.cgi?id=19405
config BR2_TOOLCHAIN_HAS_BINUTILS_BUG_19405
bool