Bug#913253: libgap-sage build depends on gap (< 4r8p9) but 4r9p3-2 is to be installed

[Adrian Bunk]

Source: libgap-sage
Version: 4.8.8+6+20181010g0581647+dsx-1
Severity: serious
Tags: ftbfs

The following packages have unmet dependencies:
 builddeps:libgap-sage : Depends: gap (< 4r8p9) but 4r9p3-2 is to be installed