tce-load -i compiletc perl5

cd glibc-2.26

patch -Np1 -i ../glibc-2.26-fhs-1.patch

mkdir build
cd build

echo "CFLAGS += -mtune=generic -Og -pipe" > configparms

../configure --prefix=/usr --libexecdir=/usr/lib/glibc --enable-kernel=4.2.9 --enable-stack-protector=strong libc_cv_slibdir=/lib --enable-obsolete-rpc  --disable-werror

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

make [6m 51.53s]

mkdir -p /tmp/pkg/etc
touch /tmp/pkg/etc/ld.so.conf

sudo make install install_root=/tmp/pkg

[without -Ox, or with -O0]

In file included from ./../include/libc-symbols.h:58:0,
                 from <command-line>:0:
/usr/src/glibc-2.24/build/config.h:4:3: error: #error "glibc cannot be compiled without optimization"
 # error "glibc cannot be compiled without optimization"
   ^~~~~
make[2]: *** [../Makerules:224: /usr/src/glibc-2.24/build/ucontext_i.h] Error 1
make[2]: Leaving directory '/usr/src/glibc-2.24/csu'
make[1]: *** [Makefile:214: csu/subdir_lib] Error 2
make[1]: Leaving directory '/usr/src/glibc-2.24'
make: *** [Makefile:9: all] Error 2