tce-load -i compiletc python3.8-meson libxslt-dev libxml2-bin perl5

wget http://ftp.gnome.org/pub/gnome/sources/libsigc++/2.10/libsigc++-2.10.4.tar.xz

cd libsigc++-2.10.4

mkdir bld
cd bld

CC="gcc -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" CXX="g++ -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" meson --prefix=/usr/local --localstatedir=/var --buildtype=plain ../

[-fno-exceptions fails]

ninja [0m 50.01s]
sudo ninja install

libsigc++ 2.10.4

         Maintainer mode: if-git-build (false)
       Compiler warnings: min
    Build deprecated API: true
Build HTML documentation: if-maintainer-mode (false)
          XML validation: true
               Build PDF: false
  Build example programs: true
               Benchmark: false
Directories:
                  prefix: /usr/local
              includedir: /usr/local/include
        includesigcxxdir: /usr/local/include/sigc++-2.0
                  libdir: /usr/local/lib
        includeconfigdir: /usr/local/lib/sigc++-2.0/include
            pkgconfigdir: /usr/local/lib/pkgconfig
                 datadir: /usr/local/share
                  docdir: /usr/local/share/doc/libsigc++-2.0
              devhelpdir: /usr/local/share/devhelp/books/libsigc++-2.0
             tutorialdir: /usr/local/share/doc/libsigc++-2.0/tutorial