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https://git.yoctoproject.org/poky
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9783baa9dd
The '-fdebug-prefix-map' options are used to map source files locations,
otherwise, DW_AT_comp_dir will contain buildpath.
The '-gno-record-gcc-switches' option is used to fix the buildpath introduced
by '-fintrinsic-modules-path' option, which is automatically added by fortran.
Here's some output from 'readelf --debug-dump libgfortran.so.5.0.0' when this
option is not added:
"""
<0><1a37d3>: Abbrev Number: 4 (DW_TAG_compile_unit)
<1a37d4> DW_AT_producer : (indirect string, offset: 0xd653): GNU Fortran2008 14.2.0 -m64
-march=core2 -mtune=core2 -msse3
-mfpmath=sse -mshstk -g -O2 -O2 -fstack-protector-strong -fimplicit-none
-fno-repack-arrays -fno-underscoring -fcf-protection=full
-fallow-leading-underscore -fbuilding-libgfortran -fPIC
-fintrinsic-modules-path /ala-lpggp72/qichen/Yocto/builds/build-poky/tmp/work/
core2-64-poky-linux/libgfortran/14.2.0/recipe-sysroot-native/usr/bin/x86_64-poky-linux
/../../lib/x86_64-poky-linux/gcc/x86_64-poky-linux/14.2.0/finclude
-fpre-include=../../../../recipe-sysroot/usr/include/finclude/math-vector-fortran.h
"""
See https://gcc.gnu.org/pipermail/fortran/2024-October/061204.html for more
detailed information.
(From OE-Core rev: 660e00469f9c99fe733cc8b37f67438a96ff2e97)
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Steve Sakoman <steve@sakoman.com>