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sparc-leon: restrict to GDB9

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Starting with GDB10, it requires support for std::future<> in the
compiler. Such support has not been available on some architectures
until GCC9 (see PR 64735). I haven't determined the exact list of
affected architectures, so decided to make it a broad dependency: for
GDB10+, you need GCC9+.

Signed-off-by: Alexey Neyman <stilor@att.net>
This commit is contained in:
Alexey Neyman 2022-02-04 10:31:25 -08:00
parent c48319e65f
commit 586c2d0156
2 changed files with 7 additions and 1 deletions
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7
config/debug/gdb.in
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@ -21,6 +21,13 @@ config GDB_DEP_CXX11
depends on !CONFIGURE_has_cxx11
select GDB_REQUIRE_older_than_8_0
# GDB10 and newer require std::future<> which was not implemented on some
# architectures until GCC9; see GCC PR 64735.
config GDB_DEP_NO_STD_FUTURE
def_bool y
depends on !GCC_9_or_later
select GDB_REQUIRE_older_than_10_2
# Does GDB need ps_get_thread_area with const qualifier?
config GDB_CONST_GET_THREAD_AREA
bool

1
samples/sparc-leon-linux-uclibc/crosstool.config
View File

@ -8,7 +8,6 @@ CT_KERNEL_LINUX=y
CT_LINUX_V_3_10=y
CT_LIBC_UCLIBC_NG=y
CT_LIBC_UCLIBC_CONFIG_FILE="${CT_LIB_DIR}/samples/${CT_TARGET}/${CT_LIBC}.config"
CT_LIBC_UCLIBC_IPV6=y
CT_GCC_V_6=y
CT_CC_GCC_EXTRA_CONFIG_ARRAY="--disable-libitm"
CT_CC_LANG_CXX=y