gcc 4.4 does not include when is included, therefore needs to be included explicitly if needed. diff -up lzip-1.4/lziprecover.cc.missing_cstdio lzip-1.4/lziprecover.cc --- lzip-1.4/lziprecover.cc.missing_cstdio 2009-02-15 10:03:27.000000000 +0100 +++ lzip-1.4/lziprecover.cc 2009-02-15 10:03:50.000000000 +0100 @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include diff -up lzip-1.4/decoder.cc.missing_cstdio lzip-1.4/decoder.cc --- lzip-1.4/decoder.cc.missing_cstdio 2009-02-15 09:57:15.000000000 +0100 +++ lzip-1.4/decoder.cc 2009-02-15 09:57:17.000000000 +0100 @@ -21,6 +21,7 @@ #include #include #include +#include #include #include