Build GCC 15.2.0 from source as a putup BSP#6

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typeless wants to merge 16 commits intomainfrom

wip/example-gcc

Commits on Feb 12, 2026

Add GCC example: build GMP, MPFR, MPC from source

typeless
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claude
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Commits on Feb 13, 2026

Extend GCC example: build cc1 C compiler from source

typeless
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claude
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Build genmatch from source, eliminating pre-generated match files

typeless
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claude
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Commits on Feb 26, 2026

Fix generator paths, config headers, and library builds for 3-tree mode
typeless
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Add project skills for Tupfile patterns and GCC example

typeless
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claude
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Build full GCC cross-compiler toolchain
typeless
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Support $$ escape and config-tree overlay for external packages

typeless
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claude
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Add cross-binutils (as + ar) as first external package

typeless
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claude
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Fix GCC dep scanner regex to match -c as first argument

typeless
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claude
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Add groups_cross_dir_3tree fixture for 3-tree cross-directory group test

typeless
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claude
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Remove scheduler workaround for missing source directories in 3-tree mode

typeless
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claude
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Flatten examples/ into a BSP with gcc/ and binutils/ tarball groups

typeless
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claude
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Fix 3-tree build issues and clean up GCC example for Linux host
typeless
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Add build-gcc-bsp CI job for end-to-end BSP validation
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Slim clang-tidy config and drop LLVM 21 CI install
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Fix stale docs after BSP flattening and toolchain expansion
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