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Suppress -Wundef warnings #157

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merged 2 commits into from
Oct 22, 2024
Merged

Suppress -Wundef warnings #157

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ebac921
Suppress -Wundef warnings
nobu Oct 22, 2024
3a1a9a9
Define FFI_GO_CLOSURES always
nobu Oct 22, 2024
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5 changes: 0 additions & 5 deletions ext/fiddle/extconf.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -68,11 +68,6 @@ def enable_debug_build_flag(flags)
end
if have_ffi_header && (have_library('ffi') || have_library('libffi'))
have_libffi = true
checking_for("undefined FFI_GO_CLOSURES is used") do
if egrep_cpp(/warning: 'FFI_GO_CLOSURES' is not defined/, cpp_include(ffi_header), "2>&1")
$defs.push('-DFFI_GO_CLOSURES=0')
end
end
end
end

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1 change: 1 addition & 0 deletions ext/fiddle/fiddle.h
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Expand Up @@ -40,6 +40,7 @@
# endif
#endif

#define FFI_GO_CLOSURES 0 /* fiddle does not use go closures */
#ifdef USE_HEADER_HACKS
#include <ffi/ffi.h>
#else
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