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[CI] Build the Windows and macOS legs without debug information (#7798)

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* [CI] Build the Windows and macOS legs without debug information

Debug information is most of what a compiler cache stores: one Linux
configuration measures 1.2 GB with full DWARF and 660 MB at -g1. The Windows leg
cannot be lowered that way, because MSVC has no -g level and /Z7 is the only
cacheable form, so it sits at full debug info and fills a 1.2 GB cache.

Teach COCKATRICE_DEBUG_INFO_LEVEL=0 to mean something on MSVC by leaving /Z7
out, and build the vcpkg legs (Windows and macOS) at level 0 for every non-tag
ref. A tag is the build that ships and is symbolicated, so it keeps the full
set. The Linux legs keep -g1: a sanitizer report without file and line is not
worth the quota it would save.

Report the ccache directory and the object total at the end of each leg, so the
working set a bound has to fit is a number in the log rather than an estimate.

* [CI] Size the Windows cache for the no-debug footprint

Measured on run 42377451921, one Windows configuration without /Z7 writes a
890 MB ccache directory, against 1.2 GB with it. A 950M bound holds that with
5.4% headroom, which is the same rule the Linux bounds follow.

The comment block that splits the quota follows: 4.25 GB of bounds, 3.9 GB of
stored compiler cache, 8.1 GB of 10 in total.
This commit is contained in:
BruebachL 2026-11-07 20:58:28 +01:00 • committed by GitHub
parent ee66e73b2c
commit 1df8c8efcb
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2 changed files with 32 additions and 7 deletions
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CMakeLists.txt
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@ -279,7 +279,14 @@ set(COCKATRICE_DEBUG_INFO_LEVEL
)
if(NOT COCKATRICE_DEBUG_INFO_LEVEL STREQUAL "")
if(MSVC)
message(WARNING "COCKATRICE_DEBUG_INFO_LEVEL is ignored on MSVC")
# MSVC has no -g level, so /Z7 is either there or it is not. Level 0 is the only value
# that means something here: without /Z7 the objects carry no debug information, which is
# what a cache that has to fit a bound holds. Anything else is the full debug info.
if(COCKATRICE_DEBUG_INFO_LEVEL STREQUAL "0")
string(REPLACE " /Z7" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
else()
message(WARNING "COCKATRICE_DEBUG_INFO_LEVEL is ignored on MSVC except 0")
endif()
else()
string(APPEND CMAKE_CXX_FLAGS_DEBUG " -g${COCKATRICE_DEBUG_INFO_LEVEL}")
string(APPEND CMAKE_CXX_FLAGS_RELEASE " -g${COCKATRICE_DEBUG_INFO_LEVEL}")