[dependabot]

Bumps cc from 1.6.0 to 1.7.0.

Release notes

Sourced from cc's releases.

cc-v1.7.0

Added

• add Tool::get_envs, deprecate Tool::env and store tool env as Arc<OsStr> pairs (#1985)
• link c++ when Clang uses libc++ (#1978)
• add CC_MASM_ASM and fall back to llvm-ml for MASM files (#1975)

Fixed

• (target parsing) for powerpc64-ibm-aix abi (#1989)
• ignore ASCII case in program name checks (#1981)

Other

• (compile) issue compilation cmds more frequently in parallel #1997 #1998
• (cache) Optimize tool detection caching (#1995)
• (cache) optimize EnvSnapshot Hash, PartialEq, Ord impl (#1994)
• Regenerate target info (#1988)

Changelog

Sourced from cc's changelog.

1.7.0 - 2026-10-10

Added

• add Tool::get_envs, deprecate Tool::env and store tool env as Arc<OsStr> pairs (#1985)
• link c++ when Clang uses libc++ (#1978)
• add CC_MASM_ASM and fall back to llvm-ml for MASM files (#1975)

Fixed

• (target parsing) for powerpc64-ibm-aix abi (#1989)
• ignore ASCII case in program name checks (#1981)

Other

• (compile) issue compilation cmds more frequently in parallel #1997 #1998
• (cache) Optimize tool detection caching (#1995)
• (cache) optimize EnvSnapshot Hash, PartialEq, Ord impl (#1994)
• Regenerate target info (#1988)

Commits

• 72192d5 chore(cc): release v1.7.0 (#1993)
• fb42eb6 perf(compile): added back sleep by backoff (#1998)
• b3e733b perf(parallel): prevent the build from sleeping too long (#1997)
• 9eb5349 refactor(cache): reduce known flag cache heap usage and perf (#1996)
• 3a132f5 perf(cache): Optimize tool detection caching (#1995)
• 36895c5 perf(cache): optimize EnvSnapshot Hash, PartialEq, Ord impl (#1994)
• 98ecebc ci(deps): bump dtolnay/rust-toolchain (#1991)
• 0882dea feat: add hidden Build::set_envs_snapshot for tests (#1984)
• 0c78048 ci: Resolve unpinned-uses and ref-version-mismatch (#1982)
• a3c8098 ci: Resolve unpinned-uses and ref-version-mismatch (#1982)
• Additional commits viewable in compare view

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