Try doing this. I forgot where the compilergcc xrc are located; but, IIRC you can just edit then and the next time CB is started the size would be larger.
Tim S.
Index: src/plugins/compilergcc/resources/compiler_toolbar.xrc
===================================================================
--- src/plugins/compilergcc/resources/compiler_toolbar.xrc (revision 9567)
+++ src/plugins/compilergcc/resources/compiler_toolbar.xrc (working copy)
@@ -29,7 +29,7 @@
</object>
<object class="wxChoice" name="idToolTarget">
<content/>
- <size>136,-1</size>
+ <size>200,-1</size>
<tooltip>Build target</tooltip>
<longhelp>Select the current build target</longhelp>
</object>
Index: src/plugins/compilergcc/resources/compiler_toolbar_16x16.xrc
===================================================================
--- src/plugins/compilergcc/resources/compiler_toolbar_16x16.xrc (revision 9567)
+++ src/plugins/compilergcc/resources/compiler_toolbar_16x16.xrc (working copy)
@@ -29,7 +29,7 @@
</object>
<object class="wxChoice" name="idToolTarget">
<content/>
- <size>136,-1</size>
+ <size>200,-1</size>
<tooltip>Build target</tooltip>
<longhelp>Select the current build target</longhelp>
</object>