Only test on mac
diff --git a/.travis.yml b/.travis.yml
index bd908fd..0cca9e9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,63 +9,8 @@
 
 matrix:
   include:
-    - os: linux
-      env: HOST=powerpc-eabisim RUNTESTFLAGS="--target_board powerpc-eabisim" DEJAGNU="/opt/.travis/site.exp"
-    - os: linux
-      env: HOST=or1k-elf RUNTESTFLAGS="--target_board or1k-sim" DEJAGNU="/opt/.travis/site.exp"
-    - os: linux
-      env: HOST=m32r-elf RUNTESTFLAGS="--target_board m32r-sim" DEJAGNU="/opt/.travis/site.exp"
-    - os: linux
-      env: HOST=bfin-elf RUNTESTFLAGS="--target_board bfin-sim" DEJAGNU="/opt/.travis/site.exp"
-# This configuration is still using the native x86 toolchain?
-#    - os: osx
-#      env: HOST=aarch64-apple-darwin13
     - os: osx
       env: HOST=x86_64-apple-darwin10
-    - os: linux
-      env: HOST=x86_64-w64-mingw32 MEVAL='export CC="x86_64-w64-mingw32-gcc" && CXX="x86_64-w64-mingw32-g++" RUNTESTFLAGS="--target_board wine-sim" DEJAGNU="$TRAVIS_BUILD_DIR/.travis/site.exp" CONFIGURE_OPTIONS=--disable-shared LIBFFI_TEST_OPTIMIZATION="-O2"
-    - os: linux
-      env: HOST=sh4-linux-gnu CONFIGURE_OPTIONS=--disable-shared QEMU_LD_PREFIX=/usr/sh4-linux-gnu
-    - os: linux
-      env: HOST=alpha-linux-gnu CONFIGURE_OPTIONS=--disable-shared QEMU_LD_PREFIX=/usr/alpha-linux-gnu
-    - os: linux
-      env: HOST=m68k-linux-gnu MEVAL='export CC="m68k-linux-gnu-gcc-8 -mcpu=547x" && CXX="m68k-linux-gnu-g++-8 -mcpu=547x"' CONFIGURE_OPTIONS=--disable-shared QEMU_LD_PREFIX=/usr/m68k-linux-gnu QEMU_CPU=cfv4e
-    - os: linux
-      arch: s390x
-      env: HOST=s390x-linux-gnu
-    - os: linux
-      arch: ppc64le
-      env: HOST=ppc64le-linux-gnu
-    - os: linux
-      arch: arm64
-      env: HOST=aarch64-linux-gnu
-    - os: linux
-      env: HOST=arm32v7-linux-gnu LIBFFI_TEST_OPTIMIZATION="-O0"
-    - os: linux
-      env: HOST=arm32v7-linux-gnu LIBFFI_TEST_OPTIMIZATION="-O2"
-    - os: linux
-      env: HOST=arm32v7-linux-gnu LIBFFI_TEST_OPTIMIZATION="-O2 -fomit-frame-pointer"
-# The sparc64 linux system in the GCC compile farm is non-responsive.
-#    - os: linux
-#      env: HOST=sparc64-linux-gnu
-# The mips64 linux system in the GCC compile farm is not allowing logins
-#    - os: linux
-#      env: HOST=mips64el-linux-gnu
-    - os: linux
-      compiler: gcc
-      env: HOST=i386-pc-linux-gnu MEVAL='export CC="$CC -m32" && CXX="$CXX -m32"'
-    - os: linux
-      compiler: gcc
-    - os: linux
-      compiler: gcc
-      env: CONFIGURE_OPTIONS=--disable-shared
-    - os: linux
-      compiler: clang
-    - os: linux
-      compiler: clang
-      env: CONFIGURE_OPTIONS=--disable-shared
-    - os: linux
-      env: HOST=moxie-elf MEVAL='export PATH=/opt/moxielogic/bin:$PATH && CC=moxie-elf-gcc && CXX=moxie-elf-g++' LDFLAGS=-Tsim.ld RUNTESTFLAGS="--target_board moxie-sim" DEJAGNU="$TRAVIS_BUILD_DIR/.travis/site.exp"
 
 before_install:
   - if test x"$MEVAL" != x; then eval ${MEVAL}; fi