Previous/related tickets:

• Add spkg-configure.m4 for 4ti2, remove direct use of SAGE_LOCAL #30887: spkg-configure.m4 for 4ti2
• Optional package 4ti2 test failures on Cygwin #29193: Optional package 4ti2 test failures on Cygwin
• Update 4ti2 to version 1.6.7 #19693: Update 4ti2 to version 1.6.7
• Add support for unsupported 4ti2 features to sage.interfaces.four_ti_2 #18325: Support more 4ti2 features
• Minor improvements to 4ti2 interface #14843: Minor improvements to 4ti2 interface
• Add an interface for 4ti2 to Sage #5489: Add an interface for 4ti2 to Sage

CC: @slel

Component: packages: optional

Issue created by migration from https://trac.sagemath.org/ticket/30344