curl -# https://ftp.gnu.org/gnu/m4/m4-1.4.19.tar.xz tar -xf m4-1.4.19.tar.xz cd m4-1.4.19 sed -i 's/IO_ftrylockfile/IO_EOF_SEEN/' lib/*.c echo "#define _IO_IN_BACKUP 0x100" >> lib/stdio-impl.h ./configure --prefix=/usr --build=$(build-aux/config.guess) make make install DESTDIR="$1"