https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266274
Bug ID: 266274
Summary: building -HEAD on an install with no compiler in
/usr/bin, but using CROSS_TOOLCHAIN fails
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: adr...@freebsd.org
In theory? we should be able to build -HEAD with CROSS_TOOLCHAIN even if we
don't have a host compiler.
However in practice, building the host tools fails very early because we're
checking the compiler/type version early in the .mk files, before CC is defined
correctly.
Also, there's a fun question around whether this is acceptable or not, as we
still need /host/ tools and a cross compile GCC is't that. (ie, we don't
TECHICALLY have a HOST_TOOLCHAIN option.)
To reproduce:
* build a system with WITHOUT_TOOLCHAIN="YES"
* make, make install
* pkg install llvm13 (for example)
* make delete-old ; this will remove the old compiler pieces and make things
very broken
* try rebuilding
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