Link to the Microsoft license: http://www.microsoft.com/en-us/legal/intellectualproperty/IPLicensing/Programs/exFATFileSystem.aspx is broken.
It's likely moved to https://www.microsoft.com/en-us/legal/intellectualproperty/mtl/exfat-licensing.aspx Can you check the patch in bug 210823 works for you?
(In reply to Jan Beich from comment #1) It does, thank you.
A commit references this bug: Author: jbeich Date: Mon Jul 18 18:30:00 UTC 2016 New revision: 418728 URL: https://svnweb.freebsd.org/changeset/ports/418728 Log: sysutils/*exfat*: update to 1.2.4 - Chase project move to GitHub - Chase patent licensing URL [1] - Restore GPLv2 after r328060 [2] - Fix build on DragonFly - Drop unused iconv dependency PR: 199874, 210823 PR: 210162 [1] Suggested by: decke, tijl [2] (via bug 193629) Approved by: maintainer timeout (2 weeks) MFH: 2016Q3 Changes: head/sysutils/exfat-utils/Makefile head/sysutils/exfat-utils/distinfo head/sysutils/exfat-utils/files/patch-SConstruct head/sysutils/exfat-utils/files/patch-libexfat_platform.h head/sysutils/exfat-utils/files/patch-ublio head/sysutils/exfat-utils/pkg-descr head/sysutils/fusefs-exfat/Makefile head/sysutils/fusefs-exfat/distinfo head/sysutils/fusefs-exfat/files/patch-SConstruct head/sysutils/fusefs-exfat/files/patch-libexfat_platform.h head/sysutils/fusefs-exfat/files/patch-ublio head/sysutils/fusefs-exfat/pkg-descr
A commit references this bug: Author: jbeich Date: Mon Jul 18 20:26:09 UTC 2016 New revision: 418745 URL: https://svnweb.freebsd.org/changeset/ports/418745 Log: MFH: r418728 sysutils/*exfat*: update to 1.2.4 - Chase project move to GitHub - Chase patent licensing URL [1] - Restore GPLv2 after r328060 [2] - Fix build on DragonFly - Drop unused iconv dependency PR: 199874, 210823 PR: 210162 [1] Suggested by: decke, tijl [2] (via bug 193629) Approved by: maintainer timeout (2 weeks) Approved by: ports-secteam (feld) Changes: _U branches/2016Q3/ branches/2016Q3/sysutils/exfat-utils/Makefile branches/2016Q3/sysutils/exfat-utils/distinfo branches/2016Q3/sysutils/exfat-utils/files/patch-SConstruct branches/2016Q3/sysutils/exfat-utils/files/patch-libexfat_platform.h branches/2016Q3/sysutils/exfat-utils/files/patch-ublio branches/2016Q3/sysutils/exfat-utils/pkg-descr branches/2016Q3/sysutils/fusefs-exfat/Makefile branches/2016Q3/sysutils/fusefs-exfat/distinfo branches/2016Q3/sysutils/fusefs-exfat/files/patch-SConstruct branches/2016Q3/sysutils/fusefs-exfat/files/patch-libexfat_platform.h branches/2016Q3/sysutils/fusefs-exfat/files/patch-ublio branches/2016Q3/sysutils/fusefs-exfat/pkg-descr