Conformance Testing & Branding

Perennial's Conformance Test Laboratory performs conformance testing and branding services for C compilers and POSIX implementations. All of the conformance testing is conducted in accordance with ISO procedures and guidelines.

C Compiler Branding

FIPS-160 (C89, C90)
XPG/UNIX95 Component Branding (C90)
ISO-C (C99, C11, C18)

POSIX Conformance

FIPS 151-2

C Compiler Branding

FIPS 160
Perennial provides a Certificate of Validation for C compilers meeting the validation requirements for Federal Information Processing Standard (FIPS) Publication 160, C Language. The test method used is the Perennial ACVS. A list of current FIPS 160 implementations validated with ACVS is contained in the FIPS 160 Validated Products List.

XPG/UNIX95 C90 Component Branding
Perennial's Conformance Test Laboratory is accredited by The Open Group (formerly X/Open) to provide XPG/UNIX95 Component Branding for C Compilers (C90). The test method used is either ACVS or CVSA. A list of current XPG/UNIX95 conforming C compilers branded using ACVS/CVSA is contained in the XPG/UNIX95 C90 Validated Products List.

ISO-C99, C11, C18
Perennial provides a Certificate of Validation for C compilers meeting the validation requirements of the 1999 and later versions of the ISO C Standard, aka C99, C11, and C18. The test method used is CVSA. A list of C99 language processors conforming to the 1999 version of ISO C is contained in the ISO-C99/CVSA Validated Products List.

POSIX^® Conformance

FIPS 151-2
Perennial is accredited by the National Institute for Standards and Technology (NIST), and the Institute of Electrical and Electronics Engineers (IEEE), as an Accredited POSIX Test Laboratory. The test method used is the PCTS 151-2.

The latest list of implementations designated conforming to FIPS 151-2 by Perennial is here.

More information on FIPS 152-1, the POSIX Test Suite and information relating to POSIX certification is available from the IEEE POSIX Certification Authority.