diff --git a/.travis.yml b/.travis.yml
index 848134a..eb1a81c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,6 +27,18 @@ matrix:
     - env: BOGUS_JOB=true
 
   include:
+    - os: linux
+      env: TOOLSET=gcc COMPILER=g++ CXXSTD=c++03
+
+    - os: linux
+      env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - g++-4.7
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=c++11
       addons:
@@ -36,6 +48,15 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      env: TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - g++-4.8
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       env: TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=c++11
       addons:
@@ -45,6 +66,15 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      env: TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - g++-4.9
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       env: TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=c++11
       addons:
@@ -54,6 +84,15 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - g++-5
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++11
       addons:
@@ -72,6 +111,15 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - g++-6
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11
       addons:
@@ -99,6 +147,22 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++03
+
+    - os: linux
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++11
+
+    - os: linux
+      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - clang-3.5
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.5
+
     - os: linux
       env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=c++11
       addons:
@@ -109,6 +173,16 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-precise-3.5
 
+    - os: linux
+      env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - clang-3.6
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.6
+
     - os: linux
       env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=c++11
       addons:
@@ -119,6 +193,16 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-precise-3.6
 
+    - os: linux
+      env: TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - clang-3.7
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.7
+
     - os: linux
       env: TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=c++11
       addons:
@@ -129,6 +213,16 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-precise-3.7
 
+    - os: linux
+      env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - clang-3.8
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.8
+
     - os: linux
       env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=c++11
       addons:
@@ -159,6 +253,16 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-precise-3.8
 
+    - os: linux
+      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=c++03
+      addons:
+        apt:
+          packages:
+            - clang-3.9
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-precise-3.9
+
     - os: linux
       env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=c++11
       addons:
@@ -189,6 +293,9 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-precise-3.9
 
+    - os: osx
+      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++03
+
     - os: osx
       env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++11