ビルドした時にこんなエラーが発生する事が有ります。
Undefined symbols for architecture i386: "_inflateInit2_", referenced from: _inflateMemoryWithHint in ZipUtils.o "_inflate", referenced from: _inflateMemoryWithHint in ZipUtils.o "_inflateEnd", referenced from: _inflateMemoryWithHint in ZipUtils.o "_gzopen", referenced from: _ccInflateGZipFile in ZipUtils.o "_gzread", referenced from: _ccInflateGZipFile in ZipUtils.o "_gzclose", referenced from: _ccInflateGZipFile in ZipUtils.o "_uncompress", referenced from: _ccInflateCCZFile in ZipUtils.o ld: symbol(s) not found for architecture i386 collect2: ld returned 1 exit status
対処法
プロジェクトの Other Linker Flags に -lz を設定する。