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([2001:8b0:aba:5f3c:5be5:6aa5:96ae:21ea]) by smtp.gmail.com with ESMTPSA id iv15-20020a05600c548f00b0040e9d507424sm2088718wmb.5.2024.02.02.23.53.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Feb 2024 23:53:03 -0800 (PST) Message-ID: <8fbde10440b97a7d1fae483c192b9d17c450124d.camel@linuxfoundation.org> Subject: Re: [OE-core] [PATCH v2] gcc-runtime: Move gdb pretty printer file to auto-load location From: Richard Purdie To: Khem Raj Cc: openembedded-core@lists.openembedded.org Date: Sat, 03 Feb 2024 07:53:02 +0000 In-Reply-To: References: <20240130162049.2019289-1-raj.khem@gmail.com> Autocrypt: addr=richard.purdie@linuxfoundation.org; prefer-encrypt=mutual; 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YNvg== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.0-1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Sat, 03 Feb 2024 07:53:10 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/194830 On Fri, 2024-02-02 at 16:23 -0800, Khem Raj wrote: > On Fri, Feb 2, 2024 at 2:58=E2=80=AFPM Richard Purdie > wrote: > >=20 > > On Tue, 2024-01-30 at 08:20 -0800, Khem Raj wrote: > > > When debugging a C++ program on target using libcstdc++, gdb does not > > > find the pretty printer python support, this is because the init file= is > > > installed into /usr/lib which is excluded from gdb's default list of > > > directories to load config's from, where as defaults to load from > > > datadir is still on, it therefore does not load this file > > >=20 > > > warning: File "/usr/lib/libstdc++.so.6.0.33-gdb.py" auto-loading has = been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto= -load". > > >=20 > > > This leaves the libstdc++ pretty-printers disabled even though added = via > > > IMAGE_INSTALL +=3D "gcc-runtime-dbg" > > >=20 > > > Add missing runtime dependency on datetime python module for the pret= ty > > > printer to work/load successfully. > > >=20 > > > Once the pretty-printer gdb file is moved out of libdir, it may becom= e > > > empty therefore delete it if its empty. > > >=20 > > > Signed-off-by: Khem Raj > > > --- > > > v2: Fix build on mingw > > >=20 > > > meta/recipes-devtools/gcc/gcc-runtime.inc | 9 ++++++++- > > > 1 file changed, 8 insertions(+), 1 deletion(-) > > >=20 > > > diff --git a/meta/recipes-devtools/gcc/gcc-runtime.inc b/meta/recipes= -devtools/gcc/gcc-runtime.inc > > > index 64b6168ba76..004deb6e41f 100644 > > > --- a/meta/recipes-devtools/gcc/gcc-runtime.inc > > > +++ b/meta/recipes-devtools/gcc/gcc-runtime.inc > > > @@ -85,6 +85,8 @@ do_install () { > > > cd ${B}/${TARGET_SYS}/$d/ > > > oe_runmake 'DESTDIR=3D${D}' MULTIBUILDTOP=3D${B}/${TARG= ET_SYS}/$d/ install > > > done > > > + install -d ${D}${datadir}/gdb/auto-load/${libdir} > > > + mv ${D}${libdir}/libstdc++*-gdb.py ${D}${datadir}/gdb/auto-load= /${libdir} > > > if [ -d ${D}${libdir}/gcc/${TARGET_SYS}/${BINV}/include ]; then > > > install -d ${D}${libdir}/${TARGET_SYS}/${BINV}/include > > > mv ${D}${libdir}/gcc/${TARGET_SYS}/${BINV}/include/* ${= D}${libdir}/${TARGET_SYS}/${BINV}/include > > > @@ -99,6 +101,9 @@ do_install () { > > > if [ -d ${D}${infodir} ]; then > > > rmdir --ignore-fail-on-non-empty -p ${D}${infodir} > > > fi > > > + if [ -d ${D}${libdir} ]; then > > > + rmdir --ignore-fail-on-non-empty -p ${D}${libdir} > > > + fi > > > } > > >=20 > > > do_install:append:class-target () { > > > @@ -182,9 +187,11 @@ RRECOMMENDS:${PN}-dbg =3D "" > > >=20 > > > # include python debugging scripts > > > FILES:${PN}-dbg +=3D "\ > > > - ${libdir}/libstdc++.*-gdb.py \ > > > ${datadir}/gcc-${BINV}/python/libstdcxx \ > > > + ${datadir}/gdb/auto-load \ > > > " > > > +# Needed by libstdcxx pretty printer > > > +RDEPENDS:${PN}-dbg +=3D "python3-datetime" > > >=20 > > > FILES:libg2c =3D "${target_libdir}/libg2c.so.*" > > > SUMMARY:libg2c =3D "Companion runtime library for g77" > >=20 > > https://autobuilder.yoctoproject.org/typhoon/#/builders/87/builds/6381/= steps/14/logs/stdio > >=20 > > Missing or unbuildable dependency chain was: ['selftest-ed', > > 'virtual/x86_64-poky-linux-compilerlibs', 'python3-datetime', 'bash'] > >=20 > > https://autobuilder.yoctoproject.org/typhoon/#/builders/89/builds/8533 >=20 > Hmm, so I wonder if using RRECOMMEND is better here. Where is bash > being pulled from ? bash appears to be a dependency of python3-datetime. I don't think a RRECOMMEND will help unfortunately. Cheers, Richard