Compiled on X8DTU with 2 physical Intel Xeon E5530 CPU (8C16T)

Compile Flags:

unset CFLAGS CXXFLAGS LDFLAGS

Dependencies: (some of them are not required, I'm just following 'compile_tc13_x86_64' to be safe)

tce-load -i compiletc perl5 ncursesw-dev bash mpc-dev udev-lib-dev texinfo coreutils glibc_apps rsync gettext python3.6 git

Commands:

tce-load -i tar pixz

time tar -I pixz -xf gcc-11.2.0.tar.xz
real    0m 11.78s
user    0m 11.48s
sys     0m 6.13s

cd gcc-11.2.0/

sed -e '/static.*SIGSTKSZ/d' -e 's/return kAltStackSize/return SIGSTKSZ * 4/' -i.orig libsanitizer/sanitizer_common/sanitizer_posix_libcdep.cpp
sed -e '/m64=/s/lib64/lib/' -i.orig gcc/config/i386/t-linux64

###  edit gcc/config/i386/linux64.h
###  #define GLIBC_DYNAMIC_LINKER64 "/lib/ld-linux-x86-64.so.2"
###  edit with sed

sed -e '/GLIBC_DYNAMIC_LINKER64/ s:/lib64/:/lib/:' -i.orig gcc/config/i386/linux64.h

mkdir build && cd build

CC="gcc -mtune=generic -Os -pipe" CXX="g++ -mtune=generic -Os -pipe" ../configure --prefix=/usr/local --enable-languages=c,c++,fortran --disable-multilib --disable-bootstrap --with-system-zlib --libexecdir=/usr/local/lib

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;
find . -name Makefile -type f -exec sed -i 's/-O2 -g//g' {} \;
find . -name config.status -type f -exec sed -i 's/-g -O2//g' {} \;

time make -j16
real    8m 27.73s
user    1h 21m 15s
sys     4m 37.77s

DESTDIR=/tmp/packing time make install
real    0m 15.56s
user    0m 11.28s
sys     0m 4.05s

# Don't strip debug info for gfortran static objects, someone might need it
cd /tmp

mkdir -p packing-lib/usr/local/lib

# shared objects first
mv /tmp/packing/usr/local/lib/libgfortran.so* packing-lib/usr/local/lib

strip --strip-unneeded packing-lib/usr/local/lib/libgfortran.so.5.0.0

# main extension
mkdir -p packing-main/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/

# f951
mv packing/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/f951 packing-main/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/

# finclude/
mv packing/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/finclude/ packing-main/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/

# libcaf_single.a, libcaf_single.la
mv packing/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/libcaf_single.* packing-main/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/

# libgfortran.a, libgfortran.la, libgfortran.spec
mv packing/usr/local/lib/libgfortran.* packing-main/usr/local/lib/

# binaries
mkdir packing-main/usr/local/bin

mv packing/usr/local/bin/*gfortran packing-main/usr/local/bin

strip --strip-unneeded packing-main/usr/local/bin/* packing-main/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/f951

# liblto_plugin (75K --> 76K)
# in gcc 10.2, the plugin is named liblto_plugin.so.0.0.0
# in gcc 11.2, the plugin is named liblto_plugin.so
mv packing/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/liblto_plugin.so packing-main/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/GFORTRAN-liblto_plugin.so
strip --strip-unneeded packing-main/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/GFORTRAN-liblto_plugin.so

# tce.installed
#!/bin/sh

# LTO plugin
LTO_PLUGIN='/usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/GFORTRAN-liblto_plugin.so'
CURRENT='/usr/local/lib/bfd-plugins/liblto_plugin.so'
/bin/busybox mkdir -p /usr/local/lib/bfd-plugins
/bin/busybox cp $LTO_PLUGIN $CURRENT

# binaries
for BIN in /usr/local/bin/gfortran /usr/local/bin/x86_64-pc-linux-gnu-gfortran /usr/local/lib/gcc/x86_64-pc-linux-gnu/11.2.0/f951
do [ -L $BIN ] && /bin/busybox cp $(/bin/busybox realpath $BIN) $BIN
done

# distcc
if [ -f /usr/local/tce.installed/distcc ]; then
  cd /usr/lib/distcc && \
  ln -sf ../../local/bin/distcc gfortran && \
  ln -sf ../../local/bin/distcc x86_64-pc-linux-gnu-gfortran
  cd /usr/local/lib/distcc && \
  ln -sf ../../bin/distcc gfortran && \
  ln -sf ../../bin/distcc x86_64-pc-linux-gnu-gfortran
fi