Comment 3 for bug 1835417

Run that before running make:
sed -i 's/CFLAGS=/CFLAGS=-fgnu89-inline /' Makefile

Note that if you try to build the 0.5 version on Debian >= 9, you'll then hit another problem that had been solved here:

https://bazaar.launchpad.net/~y-trudeau/percona-data-recovery-tool-for-innodb/pager_parser_1_file_per_btree/revision/55