https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100462
--- Comment #1 from Marco Trevisan <mail at 3v1n0 dot net> --- Some verbose logging: unstable /data/GNOME/gjs ❯ echo $PWD /data/GNOME/gjs unstable /data/GNOME/gjs ❯ ls _build/libgjs.so.0.0.0.p -lht total 119M -rw-rw-r-- 1 marco marco 119M mag 6 22:37 gjs_pch.hh.gch -rw-rw-r-- 1 marco marco 43K mag 6 22:37 libgjs-private_gjs-gdbus-wrapper.c.o -rw-rw-r-- 1 marco marco 21K mag 6 22:37 libgjs-private_gjs-util.c.o -rw-rw-r-- 1 marco marco 251K mag 6 22:37 meson-generated_.._js-resources.c.o -rw-rw-r-- 1 marco marco 3,2K mag 6 22:37 gjs_gi_probes.o -rw-rw-r-- 1 marco marco 1,5K mag 6 22:37 gjs_gi_probes.h -rw-rw-r-- 1 marco marco 186 mag 6 22:37 GjsPrivate_1.0_gir_filelist g++ -v -Ilibgjs.so.0.0.0.p -I. -I.. -I/opt/dev/GNOME/include/glib-2.0 -I/opt/dev/GNOME/lib/glib-2.0/include -I/opt/dev/GNOME/include/gobject-introspection-1.0 -I/opt/dev/GNOME/include/pixman-1 -I/usr/include/cairo -I/usr/include/uuid -I/usr/include/freetype2 -I/usr/include/libpng16 -fvisibility=hidden -fdiagnostics-color=always -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -std=c++17 -fno-rtti -g -fno-strict-aliasing -Wno-variadic-macros -Wno-missing-field-initializers -fno-semantic-interposition -fPIC -pthread -isystem/opt/dev/GNOME/include/sysprof-4 -include /usr/include/mozjs-78/js/RequiredDefines.h -isystem /usr/include/mozjs-78 -DGJS_COMPILATION '-DGJS_JS_DIR="/usr/local/share/gjs-1.0"' '-DPKGLIBDIR="/usr/local/lib/x86_64-linux-gnu/gjs"' '-DG_LOG_DOMAIN="Gjs"' -fpch-preprocess -include gjs_pch.hh -MD -MQ libgjs.so.0.0.0.p/gi_arg-cache.cpp.o -MF libgjs.so.0.0.0.p/gi_arg-cache.cpp.o.d -o libgjs.so.0.0.0.p/gi_arg-cache.cpp.o -c ../gi/arg-cache.cpp Using built-in specs. COLLECT_GCC=g++ OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa:hsa OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 10.3.0-1ubuntu1' --with-bugurl=file:///usr/share/doc/gcc-10/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-10 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-10-gDeRY6/gcc-10-10.3.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-10-gDeRY6/gcc-10-10.3.0/debian/tmp-gcn/usr,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-mutex Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.3.0 (Ubuntu 10.3.0-1ubuntu1) COLLECT_GCC_OPTIONS='-fdiagnostics-color=always' '-v' '-I' 'libgjs.so.0.0.0.p' '-I' '.' '-I' '..' '-I' '/opt/dev/GNOME/include/glib-2.0' '-I' '/opt/dev/GNOME/lib/glib-2.0/include' '-I' '/opt/dev/GNOME/include/gobject-introspection-1.0' '-I' '/opt/dev/GNOME/include/pixman-1' '-I' '/usr/include/cairo' '-I' '/usr/include/uuid' '-I' '/usr/include/freetype2' '-I' '/usr/include/libpng16' '-fvisibility=hidden' '-pipe' '-D' '_FILE_OFFSET_BITS=64' '-Wall' '-Winvalid-pch' '-Wnon-virtual-dtor' '-Wextra' '-std=c++17' '-fno-rtti' '-g' '-fno-strict-aliasing' '-Wno-variadic-macros' '-Wno-missing-field-initializers' '-fno-semantic-interposition' '-fPIC' '-pthread' '-isystem' '/opt/dev/GNOME/include/sysprof-4' '-include' '/usr/include/mozjs-78/js/RequiredDefines.h' '-isystem' '/usr/include/mozjs-78' '-D' 'GJS_COMPILATION' '-D' 'GJS_JS_DIR="/usr/local/share/gjs-1.0"' '-D' 'PKGLIBDIR="/usr/local/lib/x86_64-linux-gnu/gjs"' '-D' 'G_LOG_DOMAIN="Gjs"' '-fpch-preprocess' '-include' 'gjs_pch.hh' '-MD' '-MQ' 'libgjs.so.0.0.0.p/gi_arg-cache.cpp.o' '-MF' 'libgjs.so.0.0.0.p/gi_arg-cache.cpp.o.d' '-o' 'libgjs.so.0.0.0.p/gi_arg-cache.cpp.o' '-c' '-shared-libgcc' '-mtune=generic' '-march=x86-64' /usr/lib/gcc/x86_64-linux-gnu/10/cc1plus -quiet -v -I libgjs.so.0.0.0.p -I . -I .. -I /opt/dev/GNOME/include/glib-2.0 -I /opt/dev/GNOME/lib/glib-2.0/include -I /opt/dev/GNOME/include/gobject-introspection-1.0 -I /opt/dev/GNOME/include/pixman-1 -I /usr/include/cairo -I /usr/include/uuid -I /usr/include/freetype2 -I /usr/include/libpng16 -imultiarch x86_64-linux-gnu -MD libgjs.so.0.0.0.p/gi_arg-cache.cpp.d -MF libgjs.so.0.0.0.p/gi_arg-cache.cpp.o.d -MQ libgjs.so.0.0.0.p/gi_arg-cache.cpp.o -D_GNU_SOURCE -D_REENTRANT -D _FILE_OFFSET_BITS=64 -D GJS_COMPILATION -D GJS_JS_DIR="/usr/local/share/gjs-1.0" -D PKGLIBDIR="/usr/local/lib/x86_64-linux-gnu/gjs" -D G_LOG_DOMAIN="Gjs" -isystem /opt/dev/GNOME/include/sysprof-4 -include /usr/include/mozjs-78/js/RequiredDefines.h -isystem /usr/include/mozjs-78 -include gjs_pch.hh ../gi/arg-cache.cpp -quiet -dumpbase arg-cache.cpp -mtune=generic -march=x86-64 -auxbase-strip libgjs.so.0.0.0.p/gi_arg-cache.cpp.o -g -Wall -Winvalid-pch -Wnon-virtual-dtor -Wextra -Wno-variadic-macros -Wno-missing-field-initializers -std=c++17 -version -fdiagnostics-color=always -fvisibility=hidden -fno-rtti -fno-strict-aliasing -fno-semantic-interposition -fPIC -fpch-preprocess -fasynchronous-unwind-tables -fstack-protector-strong -Wformat-security -fstack-clash-protection -fcf-protection -o - | as -v -I libgjs.so.0.0.0.p -I . -I .. -I /opt/dev/GNOME/include/glib-2.0 -I /opt/dev/GNOME/lib/glib-2.0/include -I /opt/dev/GNOME/include/gobject-introspection-1.0 -I /opt/dev/GNOME/include/pixman-1 -I /usr/include/cairo -I /usr/include/uuid -I /usr/include/freetype2 -I /usr/include/libpng16 --64 -o libgjs.so.0.0.0.p/gi_arg-cache.cpp.o GNU assembler version 2.36.1 (x86_64-linux-gnu) using BFD version (GNU Binutils for Ubuntu) 2.36.1 GNU C++17 (Ubuntu 10.3.0-1ubuntu1) version 10.3.0 (x86_64-linux-gnu) compiled by GNU C version 10.3.0, GMP version 6.2.1, MPFR version 4.1.0, MPC version 1.2.0, isl version isl-0.23-GMP GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 ignoring duplicate directory "/usr/include/x86_64-linux-gnu/c++/10" ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/10/include-fixed" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include" ignoring nonexistent directory "/opt/dev/include" #include "..." search starts here: #include <...> search starts here: libgjs.so.0.0.0.p . .. /opt/dev/GNOME/include/glib-2.0 /opt/dev/GNOME/lib/glib-2.0/include /opt/dev/GNOME/include/gobject-introspection-1.0 /opt/dev/GNOME/include/pixman-1 /usr/include/cairo /usr/include/uuid /usr/include/freetype2 /usr/include/libpng16 /opt/dev/GNOME/include/sysprof-4 /usr/include/mozjs-78 /opt/dev/GNOME/include /usr/include/c++/10 /usr/include/x86_64-linux-gnu/c++/10 /usr/include/c++/10/backward /usr/lib/gcc/x86_64-linux-gnu/10/include /usr/local/include /usr/include/x86_64-linux-gnu /usr/include End of search list. GNU C++17 (Ubuntu 10.3.0-1ubuntu1) version 10.3.0 (x86_64-linux-gnu) compiled by GNU C version 10.3.0, GMP version 6.2.1, MPFR version 4.1.0, MPC version 1.2.0, isl version isl-0.23-GMP GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072 Compiler executable checksum: 118e824ee50d24f402f1f2e0e1ebfb12 cc1plus: fatal error: gjs_pch.hh: No such file or directory compilation terminated. ninja: build stopped: subcommand failed.