Just in case it helps, this is what I get when building.
sbunn@portable ~/sandbox/codeblocks/codeblocks-1.0-finalbeta/src $ make -f Makefile.unix.wx2.6 clean
Cleaning target tinyXML...
Cleaning target sdk...
Cleaning target src...
Cleaning target plugin_Astyle...
Cleaning target plugin_CompilerGCC...
Cleaning target plugin_DebuggerGDB...
Cleaning target plugin_CodeCompletion...
Cleaning target plugin_ClassWizard...
Cleaning target plugin_DefMimeHandler...
Cleaning target plugin_PluginsWizard...
Cleaning target plugin_ToDo...
Cleaning target plugin_XPManifest...
Cleaning target console_runner...
sbunn@portable ~/sandbox/codeblocks/codeblocks-1.0-finalbeta/src $ make -f Makefile.unix.wx2.6
Compiling sdk/tinyxml/tinystr.cpp...
Compiling sdk/tinyxml/tinyxml.cpp...
Compiling sdk/tinyxml/tinyxmlerror.cpp...
Compiling sdk/tinyxml/tinyxmlparser.cpp...
Linking static library sdk/tinyxml/libtxml.a...
ar: creating sdk/tinyxml/libtxml.a
ranlib sdk/tinyxml/libtxml.a
Compiling sdk/Managers/Managers.cpp...
In file included from sdk/Managers/../projectbuildtarget.h:5,
from sdk/Managers/../cbproject.h:10,
from sdk/Managers/../editormanager.h:15,
from sdk/Managers/StdAfx.h:18,
from sdk/Managers/Managers.cpp:4:
sdk/Managers/../globals.h:63: error: default argument for `const wxString&separator' has type `const char[2]'
sdk/Managers/../globals.h:64: error: default argument for `const wxString&separator' has type `const char[2]'
make: *** [.objs/sdk/Managers/Managers.o] Error 1
sbunn@portable ~/sandbox/codeblocks/codeblocks-1.0-finalbeta/src $ emerge -pv wxGTK
These are the packages that I would merge, in order:
Calculating dependencies ...done!
[ebuild R ] x11-libs/wxGTK-2.6.0-r1 -debug +doc +gnome +gtk2 -joystick +jpeg -odbc +opengl +png +sdl +tiff +unicode -wxgtk1 0 kB