v2.1.2

What's Changed

• build: Add a minimal configure.ac by @orbea in #21
• build: bump minimum required cmake by @dundargoc in #22
• build(cmake): allow user to set TERMINFO_DIRS by @carlocab in #25
• Do not stop searching on EPERM by @mlen in #24

Full Changelog: v2.1.1...v2.1.2