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criu: fix host gcc can't recognized option -fmacro-prefix-map

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Generally, our host gcc version below 8.0, but cross toolchain in yocto
above 8.0, now 8.3, the option "macro-prefix-map" coming from 8.0, so if
the host gcc below 8.0, it can't unrecognized the option "macro-prefix-map".

In criu source code, the HOSTCFLAGS coming from CFLAGS:
    https://github.com/checkpoint-restore/criu/blob/criu-dev/Makefile#L17
In yocto project, the CFLAGS coming from the cross toolchain, containing
the "-fmacro-prefix-map" default, so we should use the BUILD_CFLAGS, it
contains the flags that used for host building.

Signed-off-by: Dengke Du <dengke.du@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
This commit is contained in:
Dengke Du 2019-02-28 09:28:08 +08:00 committed by Bruce Ashfield
parent 832a0f1e10
commit 3e7593f357
1 changed files with 1 additions and 0 deletions
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recipes-containers/criu/criu_git.bb
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@ -54,6 +54,7 @@ export C_INCLUDE_PATH="${STAGING_INCDIR}/libnl3"
export BUILD_SYS
export HOST_SYS
export HOSTCFLAGS = "${BUILD_CFLAGS}"
inherit setuptools