On Fri, Sep 9, 2022 at 12:51 PM Andre McCurdy <[email protected]> wrote:
> On Fri, Sep 9, 2022 at 9:52 AM Khem Raj <[email protected]> wrote: > > > > 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. > > Seems like you made a conscious decision to refer to the gcc runtime > library as "gnu" instead of "gcc". What was the reasoning? Using "gcc" > would seem to be clearer unless it clashes with some gcc upstream > naming convention. Good question. Historically to avoid confusion with recipe with same name when llvm was not a recipe and runtime in clang world is outside the compiler > > > Signed-off-by: Khem Raj <[email protected]> > > --- > > v2: Document the variable > > v3: Rename to TC_CXX_RUNTIME > > > > 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..2d28c3d2f7 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:`TC_CXX_RUNTIME` > > + 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..62cdd9aa9c 100644 > > --- a/meta/conf/bitbake.conf > > +++ b/meta/conf/bitbake.conf > > @@ -389,6 +389,7 @@ FILESYSTEM_PERMS_TABLES ?= "${@'files/fs-perms.txt' > if oe.types.boolean(d.getVar > > > > TCMODE ??= "default" > > TCLIBC ??= "glibc" > > +TC_CXX_RUNTIME ??= "gnu" > > TMPDIR ?= "${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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