diff options
Diffstat (limited to 'lib/mkmf.rb')
-rw-r--r-- | lib/mkmf.rb | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb index 6d1aa35926..b1281e322f 100644 --- a/lib/mkmf.rb +++ b/lib/mkmf.rb @@ -766,10 +766,12 @@ end # (in addition to the common header files). # # If found, a macro is passed as a preprocessor constant to the compiler using -# the member name, in uppercase, prepended with 'HAVE_ST_'. +# the type name and the member name, in uppercase, prepended with 'HAVE_'. # -# For example, if have_struct_member('foo', 'bar') returned true, then the -# HAVE_ST_BAR preprocessor macro would be passed to the compiler. +# For example, if have_struct_member('struct foo', 'bar') returned true, then the +# HAVE_STRUCT_FOO_BAR preprocessor macro would be passed to the compiler. +# +# HAVE_ST_BAR is also defined for backward compatibility. # def have_struct_member(type, member, headers = nil, &b) checking_for checking_message("#{type}.#{member}", headers) do @@ -780,7 +782,8 @@ def have_struct_member(type, member, headers = nil, &b) int main() { return 0; } int s = (char *)&((#{type}*)0)->#{member} - (char *)0; SRC - $defs.push(format("-DHAVE_ST_%s", member.upcase)) + $defs.push(format("-DHAVE_%s_%s", type.strip.upcase.tr_s("^A-Z0-9_", "_"), member.upcase)) + $defs.push(format("-DHAVE_ST_%s", member.upcase)) # backward compatibility true else false |