[Bug target/50842] gnatmake fails to link in stage3 with undefined symbol _iconv_close

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50842

--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> 2011-10-26 
12:03:12 UTC ---
gnatmake needs to be linked against /usr/lib/libiconv.dylib.