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Build with fat LTO objects by default and strip LTO bytecode from static archives #74

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merged 2 commits into from
May 27, 2024
Merged

Build with fat LTO objects by default and strip LTO bytecode from static archives #74

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39eaeb4
examine.py: Strip lto bytecode from static archives
joebonrichie May 19, 2024
517eb60
ypkgcontext: Build with ffat-lto-objects when using LTO
joebonrichie May 27, 2024
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2 changes: 1 addition & 1 deletion ypkg2/examine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -293,7 +293,7 @@ def strip_file(context, pretty, file, magic_string, mode=None):
elif mode == "ko":
flags = "-g --strip-unneeded"
elif mode == "ar":
flags = "--strip-debug"
flags = "--strip-debug -p -R .gnu.lto_* -R .gnu.debuglto_* -R .llvm.lto -N __gnu_lto_v1"
if context.spec.pkg_clang:
cmd = "{} llvm-objcopy {} \"{}\""
try:
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4 changes: 2 additions & 2 deletions ypkg2/ypkgcontext.py
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Expand Up @@ -41,10 +41,10 @@
SIZE_FLAGS_CLANG = "-O2"

# Allow optimizing for LTO
LTO_FLAGS = "-flto=auto"
LTO_FLAGS = "-flto=auto -ffat-lto-objects"

# Allow optimizing for thin-lto
THIN_LTO_FLAGS = "-flto=thin"
THIN_LTO_FLAGS = "-flto=thin -ffat-lto-objects"

# Allow optimizing for ICF all (identical code folding)
ICF_ALL_FLAGS = "-Wl,--icf=all"
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