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Introduce cosmocc flags -mdbg -mtiny -moptlinux

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The cosmocc.zip toolchain will now include four builds of the libcosmo.a
runtime libraries. You can pass the -mdbg flag if you want to debug your
cosmopolitan runtime. You can pass the -moptlinux flag if you don't want
windows code lurking in your binary. See tool/cosmocc/README.md for more
details on how these flags may be used and their important implications.
This commit is contained in:
Justine Tunney 2024-07-26 05:10:25 -07:00
parent 59692b0882
commit 642e9cb91a
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GPG key ID: BE714B4575D6E328
22 changed files with 404 additions and 56 deletions
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2
libc/tinymath/powl.c
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@ -930,7 +930,7 @@ powl(long double x, long double y)
z = one - (r - z);
o.value = z;
j = o.parts32.mswhi;
j += (n << 16);
j += (int32_t)((uint32_t)n << 16); // TODO(jart): why ubsan
if ((j >> 16) <= 0)
z = scalbnl (z, n); /* subnormal output */
else