From: Jörg Krause Date: Thu, 9 Feb 2017 17:47:54 +0000 (+0100) Subject: toolchain: add option for toolchains affected by GCC PR libstdc++/64735 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=accba02a47942b54c01b506512ddccf34d57c357;p=buildroot.git 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 [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 --- 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