Re: Issue with eselect-ldso -> flexiblas migration

Poncho <[email protected]>
Newsgroups gmane.linux.gentoo.user
Message-ID <[email protected]> 
On 3/17/26 00:11, Michael Orlitzky wrote:
> On 2026-03-16 20:54:35, Poncho wrote:
>>
>> No, unfortunately it's not sys-libs/glibc
> 
> In hindsight that was a bad guess, because it's most likely a fortran
> function that's crashing. I'm not very familiar with debugging fortran
> code, but the gfortran man page suggests that setting
> 
>    FFLAGS="-ggdb"
>    FCFLAGS="-ggdb"
> 
> in your make.conf should help. Then you just need to re-emerge the
> right package. Here are some more guesses:
> 
>    * sci-libs/blas-lapack-aux-wrapper
>    * sci-libs/flexiblas
>    * sci-libs/lapack
> 
> (In most cases you would be able to find out by running "ldd
> /path/to/program", but flexiblas complicates things.)
> 

It's a pesky one. Unfortunately, those additional flags didn't help 
either. Attached the ldd output and my current settings to compile 
packages with debug info.
ldd.txt (text/plain, 8.3 KB) 
	linux-vdso.so.1 (0x00007ffadb915000)
	libz.so.1 => /usr/lib64/libz.so.1 (0x00007ffadb8f3000)
	libgsl.so.27 => /usr/lib64/libgsl.so.27 (0x00007ffada000000)
	libusb-1.0.so.0 => /usr/lib64/libusb-1.0.so.0 (0x00007ffadb8d3000)
	libpython3.13.so.1.0 => /usr/lib64/libpython3.13.so.1.0 (0x00007ffad9a00000)
	libQt6Svg.so.6 => /usr/lib64/libQt6Svg.so.6 (0x00007ffadb83a000)
	libQt6WebEngineWidgets.so.6 => /usr/lib64/libQt6WebEngineWidgets.so.6 (0x00007ffadb80f000)
	libQt6Charts.so.6 => /usr/lib64/libQt6Charts.so.6 (0x00007ffad9815000)
	libQt6Widgets.so.6 => /usr/lib64/libQt6Widgets.so.6 (0x00007ffad9000000)
	libQt6Multimedia.so.6 => /usr/lib64/libQt6Multimedia.so.6 (0x00007ffad8e4b000)
	libQt6WebEngineCore.so.6 => /usr/lib64/libQt6WebEngineCore.so.6 (0x00007ffacd200000)
	libQt6Gui.so.6 => /usr/lib64/libQt6Gui.so.6 (0x00007ffacca00000)
	libQt6Xml.so.6 => /usr/lib64/libQt6Xml.so.6 (0x00007ffadb7e7000)
	libQt6Sql.so.6 => /usr/lib64/libQt6Sql.so.6 (0x00007ffada3ac000)
	libQt6WebChannel.so.6 => /usr/lib64/libQt6WebChannel.so.6 (0x00007ffada36d000)
	libQt6Bluetooth.so.6 => /usr/lib64/libQt6Bluetooth.so.6 (0x00007ffad96e9000)
	libQt6Network.so.6 => /usr/lib64/libQt6Network.so.6 (0x00007ffacc820000)
	libQt6SerialPort.so.6 => /usr/lib64/libQt6SerialPort.so.6 (0x00007ffadb7c2000)
	libQt6Core5Compat.so.6 => /usr/lib64/libQt6Core5Compat.so.6 (0x00007ffada30f000)
	libQt6Core.so.6 => /usr/lib64/libQt6Core.so.6 (0x00007ffacc200000)
	libstdc++.so.6 => /usr/lib/gcc/x86_64-pc-linux-gnu/15/libstdc++.so.6 (0x00007ffacbe00000)
	libm.so.6 => /usr/lib64/libm.so.6 (0x00007ffad8d5d000)
	libgcc_s.so.1 => /usr/lib/gcc/x86_64-pc-linux-gnu/15/libgcc_s.so.1 (0x00007ffad96bc000)
	libc.so.6 => /usr/lib64/libc.so.6 (0x00007ffacbc11000)
	libcblas.so.3 => /lib64/libcblas.so.3 (0x00007ffacb400000)
	libudev.so.1 => /usr/lib64/libudev.so.1 (0x00007ffacc0ef000)
	/lib64/ld-linux-x86-64.so.2 (0x00007ffadb917000)
	libQt6QuickWidgets.so.6 => /usr/lib64/libQt6QuickWidgets.so.6 (0x00007ffada2c3000)
	libQt6PrintSupport.so.6 => /usr/lib64/libQt6PrintSupport.so.6 (0x00007ffad8ce1000)
	libQt6Quick.so.6 => /usr/lib64/libQt6Quick.so.6 (0x00007ffacac00000)
	libQt6OpenGLWidgets.so.6 => /usr/lib64/libQt6OpenGLWidgets.so.6 (0x00007ffad9ff1000)
	libQt6OpenGL.so.6 => /usr/lib64/libQt6OpenGL.so.6 (0x00007ffacd159000)
	libQt6DBus.so.6 => /usr/lib64/libQt6DBus.so.6 (0x00007ffacbb41000)
	libpulse.so.0 => /usr/lib64/libpulse.so.0 (0x00007ffacc7cb000)
	libxcb-dri3.so.0 => /usr/lib64/libxcb-dri3.so.0 (0x00007ffadb7b5000)
	libicui18n.so.78 => /usr/lib64/libicui18n.so.78 (0x00007ffaca800000)
	libicuuc.so.78 => /usr/lib64/libicuuc.so.78 (0x00007ffaca400000)
	libsmime3.so => /usr/lib64/libsmime3.so (0x00007ffacc79c000)
	libnss3.so => /usr/lib64/libnss3.so (0x00007ffaca6be000)
	libnssutil3.so => /usr/lib64/libnssutil3.so (0x00007ffacc0c0000)
	libnspr4.so => /usr/lib64/libnspr4.so (0x00007ffacbb00000)
	libgio-2.0.so.0 => /usr/lib64/libgio-2.0.so.0 (0x00007ffaca20e000)
	libgobject-2.0.so.0 => /usr/lib64/libgobject-2.0.so.0 (0x00007ffacba9f000)
	libglib-2.0.so.0 => /usr/lib64/libglib-2.0.so.0 (0x00007ffaca0b3000)
	libjpeg.so.62 => /usr/lib64/libjpeg.so.62 (0x00007ffacb34d000)
	libopus.so.0 => /usr/lib64/libopus.so.0 (0x00007ffacb2ee000)
	libX11.so.6 => /usr/lib64/libX11.so.6 (0x00007ffac9f6d000)
	libXcomposite.so.1 => /usr/lib64/libXcomposite.so.1 (0x00007ffad9fea000)
	libXdamage.so.1 => /usr/lib64/libXdamage.so.1 (0x00007ffad96b5000)
	libXext.so.6 => /usr/lib64/libXext.so.6 (0x00007ffad8ccc000)
	libXfixes.so.3 => /usr/lib64/libXfixes.so.3 (0x00007ffad8cc4000)
	libXrandr.so.2 => /usr/lib64/libXrandr.so.2 (0x00007ffacc0b3000)
	libXtst.so.6 => /usr/lib64/libXtst.so.6 (0x00007ffacc794000)
	libpipewire-0.3.so.0 => /usr/lib64/libpipewire-0.3.so.0 (0x00007ffac9e8a000)
	libgbm.so.1 => /usr/lib64/libgbm.so.1 (0x00007ffacc0ac000)
	libdbus-1.so.3 => /usr/lib64/libdbus-1.so.3 (0x00007ffacabb0000)
	libfontconfig.so.1 => /usr/lib64/libfontconfig.so.1 (0x00007ffacba51000)
	libexpat.so.1 => /usr/lib64/libexpat.so.1 (0x00007ffacab85000)
	libpng16.so.16 => /usr/lib64/libpng16.so.16 (0x00007ffacab47000)
	libwebpmux.so.3 => /usr/lib64/libwebpmux.so.3 (0x00007ffacc09f000)
	libwebpdemux.so.2 => /usr/lib64/libwebpdemux.so.2 (0x00007ffacc098000)
	libwebp.so.7 => /usr/lib64/libwebp.so.7 (0x00007ffaca63a000)
	libfreetype.so.6 => /usr/lib64/libfreetype.so.6 (0x00007ffac9dbd000)
	libharfbuzz-subset.so.0 => /usr/lib64/libharfbuzz-subset.so.0 (0x00007ffac9c29000)
	libharfbuzz.so.0 => /usr/lib64/libharfbuzz.so.0 (0x00007ffac9ac3000)
	libxkbcommon.so.0 => /usr/lib64/libxkbcommon.so.0 (0x00007ffac9a64000)
	libxcb.so.1 => /usr/lib64/libxcb.so.1 (0x00007ffac9a38000)
	libasound.so.2 => /usr/lib64/libasound.so.2 (0x00007ffac994a000)
	libsnappy.so.1 => /usr/lib64/libsnappy.so.1 (0x00007ffacc089000)
	libminizip.so.1 => /usr/lib64/libminizip.so.1 (0x00007ffacb2e1000)
	libxml2.so.16 => /usr/lib64/libxml2.so.16 (0x00007ffac980e000)
	libxslt.so.1 => /usr/lib64/libxslt.so.1 (0x00007ffac97ce000)
	liblcms2.so.2 => /usr/lib64/liblcms2.so.2 (0x00007ffac9769000)
	libopenjp2.so.7 => /usr/lib64/libopenjp2.so.7 (0x00007ffac96f5000)
	libtiff.so.6 => /usr/lib64/libtiff.so.6 (0x00007ffac9661000)
	libxkbfile.so.1 => /usr/lib64/libxkbfile.so.1 (0x00007ffaca612000)
	libGLX.so.0 => /usr/lib64/libGLX.so.0 (0x00007ffac962e000)
	libQt6Qml.so.6 => /usr/lib64/libQt6Qml.so.6 (0x00007ffac9000000)
	libEGL.so.1 => /usr/lib64/libEGL.so.1 (0x00007ffac9619000)
	libOpenGL.so.0 => /usr/lib64/libOpenGL.so.0 (0x00007ffac95f5000)
	libmd4c.so.0 => /usr/lib64/libmd4c.so.0 (0x00007ffac95e3000)
	libzstd.so.1 => /usr/lib64/libzstd.so.1 (0x00007ffac8f42000)
	libproxy.so.1 => /usr/lib64/libproxy.so.1 (0x00007ffacc084000)
	libcrypto.so.3 => /usr/lib64/libcrypto.so.3 (0x00007ffac8800000)
	libdouble-conversion.so.3 => /usr/lib64/libdouble-conversion.so.3 (0x00007ffac95cb000)
	libb2.so.1 => /usr/lib64/libb2.so.1 (0x00007ffacb2d7000)
	libpcre2-16.so.0 => /usr/lib64/libpcre2-16.so.0 (0x00007ffac8ea1000)
	libQt6QmlMeta.so.6 => /usr/lib64/libQt6QmlMeta.so.6 (0x00007ffac8e74000)
	libQt6QmlModels.so.6 => /usr/lib64/libQt6QmlModels.so.6 (0x00007ffac8d5d000)
	libpulsecommon-17.0.so => /usr/lib64/pulseaudio/libpulsecommon-17.0.so (0x00007ffac8775000)
	libicudata.so.78 => /usr/lib64/libicudata.so.78 (0x00007ffac6600000)
	libplc4.so => /usr/lib64/libplc4.so (0x00007ffacab3e000)
	libplds4.so => /usr/lib64/libplds4.so (0x00007ffacab37000)
	libgmodule-2.0.so.0 => /usr/lib64/libgmodule-2.0.so.0 (0x00007ffac95c4000)
	libmount.so.1 => /usr/lib64/libmount.so.1 (0x00007ffac86fa000)
	libffi.so.8 => /usr/lib64/libffi.so.8 (0x00007ffac95b4000)
	libpcre2-8.so.0 => /usr/lib64/libpcre2-8.so.0 (0x00007ffac864a000)
	libXrender.so.1 => /usr/lib64/libXrender.so.1 (0x00007ffac8d50000)
	libdrm.so.2 => /usr/lib64/libdrm.so.2 (0x00007ffac8633000)
	libsystemd.so.0 => /usr/lib64/libsystemd.so.0 (0x00007ffac642a000)
	libsharpyuv.so.0 => /usr/lib64/libsharpyuv.so.0 (0x00007ffac862a000)
	libbz2.so.1 => /usr/lib64/libbz2.so.1 (0x00007ffac8616000)
	libgraphite2.so.3 => /usr/lib64/libgraphite2.so.3 (0x00007ffac85f1000)
	libXau.so.6 => /usr/lib64/libXau.so.6 (0x00007ffac85eb000)
	libXdmcp.so.6 => /usr/lib64/libXdmcp.so.6 (0x00007ffac85e3000)
	libGLdispatch.so.0 => /usr/lib64/libGLdispatch.so.0 (0x00007ffac63b0000)
	libpxbackend-1.0.so => /usr/lib64/libproxy/libpxbackend-1.0.so (0x00007ffac85d7000)
	libgomp.so.1 => /usr/lib/gcc/x86_64-pc-linux-gnu/15/libgomp.so.1 (0x00007ffac6358000)
	libQt6QmlWorkerScript.so.6 => /usr/lib64/libQt6QmlWorkerScript.so.6 (0x00007ffac85c4000)
	libsndfile.so.1 => /usr/lib64/libsndfile.so.1 (0x00007ffac62ce000)
	libasyncns.so.0 => /usr/lib64/libasyncns.so.0 (0x00007ffac85bc000)
	libblkid.so.1 => /usr/lib64/libblkid.so.1 (0x00007ffac626e000)
	libcryptsetup.so.12 => /usr/lib64/libcryptsetup.so.12 (0x00007ffac61d4000)
	libFLAC.so.14 => /usr/lib64/libFLAC.so.14 (0x00007ffac616d000)
	libvorbis.so.0 => /usr/lib64/libvorbis.so.0 (0x00007ffac613f000)
	libvorbisenc.so.2 => /usr/lib64/libvorbisenc.so.2 (0x00007ffac60a7000)
	libogg.so.0 => /usr/lib64/libogg.so.0 (0x00007ffac85b0000)
	libmpg123.so.0 => /usr/lib64/libmpg123.so.0 (0x00007ffac605b000)
	libmp3lame.so.0 => /usr/lib64/libmp3lame.so.0 (0x00007ffac5fe5000)
	libuuid.so.1 => /usr/lib64/libuuid.so.1 (0x00007ffac85a4000)
	libdevmapper.so.1.02 => /usr/lib64/libdevmapper.so.1.02 (0x00007ffac5f8a000)
	libjson-c.so.5 => /usr/lib64/libjson-c.so.5 (0x00007ffac5f76000)
	libmvec.so.1 => /usr/lib64/libmvec.so.1 (0x00007ffac5e7d000)
package.env (text/plain, 1007 B) 
# see /etc/portage/env/*

# needs dev-debug/gdb dev-util/debugedit
app-misc/goldencheetah			debug.conf
dev-qt/qtbase					debug.conf
dev-lang/python					debug.conf
sys-libs/glibc					debug.conf

dev-libs/libical					debug.conf
dev-qt/qt5compat					debug.conf
dev-qt/qtbase					debug.conf
dev-qt/qtcharts					debug.conf
dev-qt/qtconnectivity			debug.conf
dev-qt/qtmultimedia				debug.conf
dev-qt/qtpositioning				debug.conf
dev-qt/qtserialport				debug.conf
dev-qt/qtsvg						debug.conf
dev-qt/qttools					debug.conf
dev-qt/qtwebchannel				debug.conf
media-libs/libsamplerate			debug.conf
sci-libs/gsl						debug.conf



sci-libs/blas-lapack-aux-wrapper 		debug.conf
sci-libs/flexiblas						debug.conf
sci-libs/lapack							debug.conf
sci-libs/openblas						debug.conf

dev-python/pandas						debug.conf
dev-python/scipy							debug.conf
dev-python/numpy							debug.conf
dev-python/sip							debug.conf


dev-qt/qtdeclarative						debug.conf
net-libs/libasyncns						debug.conf
sys-libs/zlib							debug.conf
debug.conf (text/plain, 168 B) 
CFLAGS="-Og -fno-omit-frame-pointer -ggdb3"
CXXFLAGS="${CFLAGS}"
FEATURES="${FEATURES} nostrip"
USE="${USE} debug"

# for fortan/gfortran
FFLAGS="-ggdb"
FCFLAGS="-ggdb"
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