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Suppress -Wincompatible-pointer-types when needed #397

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Suppress -Wincompatible-pointer-types when needed #397

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11 changes: 11 additions & 0 deletions ext/mini_racer_extension/extconf.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,17 @@

$CXXFLAGS += " -Wno-reserved-user-defined-literal" if IS_DARWIN

# LLVM Clang 22+ treats -Wincompatible-pointer-types as an error by default;
# suppress it until the `unsigned long` vs `uint64_t` mismatch in the extension
# is properly fixed.
unless try_compile(<<~'C', '-Wincompatible-pointer-types')
#include <stdint.h>
void f(const uint64_t *p) { (void)p; }
void g(void) { unsigned long a[1]; f(a); }
C
$CFLAGS += " -Wno-incompatible-pointer-types"
end

if IS_DARWIN
$LDFLAGS.insert(0, " -stdlib=libc++ ")
else
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