This variable is used to denote the C/C++ compiler runtime to use.
Right now there are few alternatives out of the core which could
use this variable to define this property, the values it can take
are 'gnu' for gcc runtime. 'llvm' for using compiler-rt+libc++ and
'android' to use android runtime. Default settings is to use gnu
which is current silent default also.
Signed-off-by: Khem Raj <raj.k...@gmail.com>
---
v2: Document the variable
documentation/ref-manual/variables.rst | 6 ++++++
meta/conf/bitbake.conf | 1 +
2 files changed, 7 insertions(+)
diff --git a/documentation/ref-manual/variables.rst
b/documentation/ref-manual/variables.rst
index cf817e9540..926b8010e0 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -7973,6 +7973,12 @@ system and gives an overview of their function and
contents.
toolchain. You can use ``meta-sourcery`` as a template for adding
support for other external toolchains.
+ :term:`TCXXRUNTIME`
+ Specifies the C/C++ STL and runtime variant to use during
+ the build process. Default value is 'gnu'
+
+ You can select "gnu", "llvm", or "android".
+
:term:`TEMPLATECONF`
Specifies the directory used by the build system to find templates
from which to build the ``bblayers.conf`` and ``local.conf`` files.
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 52a36d788b..e88dc2b5bf 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -389,6 +389,7 @@ FILESYSTEM_PERMS_TABLES ?= "${@'files/fs-perms.txt' if
oe.types.boolean(d.getVar
TCMODE ??= "default"
TCLIBC ??= "glibc"
+TCXXRUNTIME ??= "gnu"
TMPDIR ?= "${TOPDIR}/tmp"
CACHE = "${TMPDIR}/cache/${TCMODE}-${TCLIBC}${@['', '/' +
str(d.getVar('MACHINE'))][bool(d.getVar('MACHINE'))]}${@['', '/' +
str(d.getVar('SDKMACHINE'))][bool(d.getVar('SDKMACHINE'))]}"
--
2.37.3
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