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wrappers: Force the default dwarf version back to 4

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Clang's general default dwarf version was raised from 4 to 5 in
d3b26dea16108c427b19b5480c9edc76edf8f5b4 in llvm-project (Jan 23
2022) before the 14.0.0 branch, but dwarf 5 on Windows seems to not
work with either LLDB or GDB.

Thus force the default back to 4 here as a temporary workaround, and try
to set the default back to 4 for mingw targets in Clang for later
releases (https://reviews.llvm.org/D119326).
This commit is contained in:
Martin Storsjö committed 2022-02-09 15:39:43 +02:00
1 parent 977df0d83e
commit e384109cbf
2 files changed
+2
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wrappers/clang-target-wrapper.c
+1
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@@ -95,6 +95,7 @@ int _tmain(int argc, TCHAR* argv[]) {
exec_argv[arg++] = _T("-unwindlib=libunwind"); exec_argv[arg++] = _T("-unwindlib=libunwind");
exec_argv[arg++] = _T("-stdlib=libc++"); exec_argv[arg++] = _T("-stdlib=libc++");
exec_argv[arg++] = _T("-fuse-ld=lld"); exec_argv[arg++] = _T("-fuse-ld=lld");
exec_argv[arg++] = _T("-fdebug-default-version=4");
exec_argv[arg++] = _T("--end-no-unused-arguments"); exec_argv[arg++] = _T("--end-no-unused-arguments");
for (int i = 1; i < argc; i++) for (int i = 1; i < argc; i++)
wrappers/clang-target-wrapper.sh
+1
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@@ -88,6 +88,7 @@ FLAGS="$FLAGS -rtlib=compiler-rt"
FLAGS="$FLAGS -unwindlib=libunwind" FLAGS="$FLAGS -unwindlib=libunwind"
FLAGS="$FLAGS -stdlib=libc++" FLAGS="$FLAGS -stdlib=libc++"
FLAGS="$FLAGS -fuse-ld=lld" FLAGS="$FLAGS -fuse-ld=lld"
FLAGS="$FLAGS -fdebug-default-version=4"
FLAGS="$FLAGS --end-no-unused-arguments" FLAGS="$FLAGS --end-no-unused-arguments"
$CCACHE "$CLANG" $FLAGS "$@" $CCACHE "$CLANG" $FLAGS "$@"