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package/gdb: update host gdb minimum host gcc version

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Following gdb 7.12.1 removal [1] the host gcc version needs to be updated
since gdb >= 8.x now requires a C++11 compiler (gcc >= 4.8).

While at it, move BR2_HOST_GCC_AT_LEAST_4_8 under BR2_PACKAGE_HOST_GDB since
it's not an architecture dependency.  Add a comment when the host gcc is too
old to build host gdb.

[1] d36f2c7333

Fixes:
http://autobuild.buildroot.org/results/822/822a747a6717db57705d1ce198a61988aa1173b1

Signed-off-by: Romain Naour <romain.naour@smile.fr>
Cc: Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Romain Naour 2019-08-03 22:59:35 +02:00 committed by Peter Korsgaard
parent 59dc47ac94
commit 9ac50d30c3
1 changed files with 6 additions and 2 deletions
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8
package/gdb/Config.in.host
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@ -1,8 +1,6 @@
config BR2_PACKAGE_HOST_GDB_ARCH_SUPPORTS
bool
default y
# The ARC version needs C++11, thus gcc >= 4.8, like gdb >= 8.x
depends on BR2_HOST_GCC_AT_LEAST_4_8 || !BR2_arc
depends on !((BR2_arm || BR2_armeb) && BR2_BINFMT_FLAT)
depends on !BR2_microblaze
depends on !BR2_nios2
@ -14,8 +12,14 @@ comment "Host GDB Options"
depends on !BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY
depends on BR2_PACKAGE_HOST_GDB_ARCH_SUPPORTS
comment "host gdb needs a host gcc >= 4.8"
depends on BR2_PACKAGE_HOST_GDB_ARCH_SUPPORTS
depends on !BR2_HOST_GCC_AT_LEAST_4_8
config BR2_PACKAGE_HOST_GDB
bool "Build cross gdb for the host"
# gdb >= 8.x needs C++11
depends on BR2_HOST_GCC_AT_LEAST_4_8
# When the external toolchain gdbserver is used, we shouldn't
# allow to build a cross-gdb, as the one of the external
# toolchain should be used.