Daniel Lohmann writes: > Andrew Haley wrote: > > Katana Steel writes: > > > > > > under x86 & x64 linux this creates the symbols (output from nm): > > > U function1 > > > U function2 > > > and using cygwin & mingw (x86) it creates these symbols (output from nm): > > > U _function1 > > > U _function2 > > > > > > is there a good reason for this? > > > > The ABI says so. The ABI allows programs generated by different tools > > to be linked together: it doesn't really matter what the convention > > is, as long as everyone on a particular platform agrees. > > > > The "_" prefix is in fact an old UNIX convention that was IIRC dropped > > by UNIX System V when it went over to ELF format binaries. > > On most platforms there is also a -mno-underscores or > -fno-leading-underscores or similar option available that can be used to > suppress this anachronism. This doesn't help at all: you won't be able to link with any libraries if you don't use the local convention. Andrew.
