If you are not using AC_CONFIG_HEADERS, value should not contain any ‘#’ characters, as make tends to eat them. (autoconf manual) ...
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ID Status▼ Resolution▲ Sev Product Comp Assignee▲ Reporter▲ Summary
28275 NEW --- nor Sisyphus gcc7-gna glebfm viy SYSTEM.ASSERTIONS.ASSERT_FAILURE during build.

File a new bug in the "gcc7-gnat" component of the "Sisyphus" product