Changes for version 1.07 - 2026-07-12
- Added t/50-const_coverage.t, a self-policing coverage guard: it asserts every export tag and every constant value against a manifest, and fails if a new tag or constant is added without a test (closes the previously untested :altmode and :mcp23017_pins tags)
- Added dedicated per-tag tests t/28-const_altmode.t and t/48-const_mcp23017_pins.t, matching the existing per-tag test convention
- Added :wiringpi tag with WIRINGPI_MIN_VERSION ('3.18') - the canonical minimum wiringPi version for the entire RPi:: distribution family; the consuming files across the dists are cataloged in REQ.md
- Added RPi::Const::BuildCheck: the canonical wiringPi/I2C Makefile.PL build guards for the whole RPi:: family (wiringpi_build_check / i2c_build_check), so each XS dist's Makefile.PL shrinks to a shim pulled in via CONFIGURE_REQUIRES. Reads the minimum from WIRINGPI_MIN_VERSION (single source), preserves the RPI_DIST_RELEASE bypass and exit-0 NA-not-FAIL semantics, and fixes two latent bugs in the hand-copied guards: version_ge() compares (major, minor) as integers so 3.8 correctly fails a 3.18 minimum, and an unparseable 'gpio -v' now exits NA instead of silently passing. All I/O is injectable; t/55-buildcheck.t covers it off-Pi (incl. a fork test of the exit-0 semantics)
- Broadened header discovery in RPi::Const::BuildCheck: when include_dirs is not supplied, the wiringPi/i2c checks now search /usr/include and /usr/local/include and, on a miss, the C compiler's own <...> search path (parsed from its verbose preprocessor output), so a header in a multiarch dir or a non-default prefix is still found. Best-effort and injectable via new cc / cc_output opts; t/55-buildcheck.t covers the parser and the fallback off-Pi
Documentation
Modules
Constant variables for embedded programming, including the RPi:: family of modules
canonical wiringPi/I2C Makefile.PL build guards for the RPi:: distribution family