Okay, binutils-mingw-w64-i686 seems to have to be listed explicitly.

diff --git a/.travis.yml b/.travis.yml
index 44ac3f71c9a3738993fbaab2ccde1bcb824a6ee0..e9242004958cf96631d84f7a4f09187d3f19587d 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language:
   - c
 install:
-  - sudo apt-get install linuxdoc-tools linuxdoc-tools-info binutils-mingw-w64
+  - sudo apt-get install linuxdoc-tools linuxdoc-tools-info binutils-mingw-w64-i686 gcc-mingw-w64-i686
   - which gcc
   - which i686-w64-mingw32-gcc
 script: