oh, I cut my linked_list.h & linked_list.h from my program & created an Makefiel & main.c.My linked_list.c work correctly.does linker has problem? On Sat, 2009-09-26 at 05:51 -0400, Jean-Claude Gervais wrote: > gcc-4.4.1 (g++) does support specifying the underlying type of an 'enum > type' > Thank you > > On Thu, 2009-09-24 at 17:26 -0400, Jean-Claude Gervais wrote: > > Thank you for the answers, Axel, Gabriel. > > > > Installing a newer version of g++ is a possibility, since this is > > research I am doing for a possible future port. > > > > The distro I am running has a few versions of gcc in its catalog, the > > question is, which version of gcc supports the extension? > > > > These are the versions of gcc I could potentially install to test it. > > > > gcc-4.4.1 > > gcc-4.3.4 > > gcc-4.3.3-r2 > > gcc-4.3.2-r4 > > gcc-4.3.2-r3 > > > > I will try installing gcc-4.4.1 first to see. > > Thanks for your help. > > J > > > > On Thu, 2009-09-24 at 15:41 -0500, Gabriel Dos Reis wrote: > > > On Thu, Sep 24, 2009 at 10:11 AM, Jean-Claude Gervais > > > <jc.gervais@xxxxxxxxxxxx> wrote: > > > > Hello, > > > > > > > > I am using gcc 4.1.2 and 4.3.2, looking for a way to specify the > > > > underlying type in a typedef enum declaration like so: > > > > > > > > typedef enum : unsigned char { first_tag, second_tag, third_tag } > > > > my_enum_type; > > > > > > There is a C++0x extension to do that, but you would have to get > > > newer versions of g++. > > > > > > > > > > > The preceding statement compiles with visualc++ but not with g++ > > > > > > > > Is there a way? > > > > > > > > Thanks > > > > J > > > > > > > > > > >