Add old-but-supported compilers back to travis

.travis.yml

@@ -23,37 +23,53 @@ sudo: false
 ## Commands before installing
 before_install:
   - if [ $(git rev-list --count HEAD ^master) -gt 50 ] ; then exit 1; fi
-  - export CC=${REAL_CC} CXX=${REAL_CXX}
+  - export CC="${REAL_CC} ${REAL_EXTRA}" CXX="${REAL_CXX} ${REAL_EXTRA}"
 
 install:
   - make --version
   - mkdir build
   - cd build
   - git init
   - ../configure --build=x86_64-linux-gnu --dev CPPFLAGS=-DQUIET `! [[ $CXX =~ clang* ]] || echo --disable-abi` $EXTRA_CONFIGURE_ARGS
+  - sed -n '/One Makefile/q;p' Makefile
 
 ## Main test script
 script:
   - make -R -k -j2
-  - make -R -k -j2 test TESTER='valgrind --error-exitcode=1 --track-fds=yes'
-
-## Do something after the main test script
-after_success:
+  # Use - instead of :- to allow forcing an empty one
+  - make -R -k -j2 test TESTER="${FORCE_TESTER-${DEFAULT_TESTER}}"
   - make -R -k -j2 format
   - git --git-dir=../.git --work-tree=.. diff --exit-code
   - make -R -k -j2 dist bindist
 
 ### The rest of the file creates a build matrix
-
+env:
+  global:
+    - DEFAULT_TESTER='valgrind --error-exitcode=1 --track-fds=yes'
 matrix:
   fast-finish: true
   include:
+    - compiler: clang
+      env: REAL_CC=clang-3.5     REAL_CXX=clang++-3.5
+      addons:
+        apt:
+          sources:
+          - llvm-toolchain-precise-3.5
+          # needed for libstdc++ headers
+          - ubuntu-toolchain-r-test
+          packages:
+          - clang-3.5
+          - libstdc++6-4.6-dbg
+          - libgtest-dev
+          - valgrind
+          - gdb
     - compiler: clang
       env: REAL_CC=clang-3.6     REAL_CXX=clang++-3.6
       addons:
         apt:
           sources:
           - llvm-toolchain-precise-3.6
+          # needed for libstdc++ headers
           - ubuntu-toolchain-r-test
           packages:
           - clang-3.6
@@ -67,13 +83,38 @@ matrix:
         apt:
           sources:
           - llvm-toolchain-precise-3.7
+          # needed for libstdc++ headers
           - ubuntu-toolchain-r-test
           packages:
           - clang-3.7
           - libstdc++6-4.6-dbg
           - libgtest-dev
           - valgrind
           - gdb
+    - compiler: gcc
+      env: REAL_CC=gcc-4.7     REAL_CXX=g++-4.7
+      addons:
+        apt:
+          sources:
+          - ubuntu-toolchain-r-test
+          packages:
+          - g++-4.7
+          - libstdc++6-4.7-dbg
+          - libgtest-dev
+          - valgrind
+          - gdb
+    - compiler: gcc
+      env: REAL_CC=gcc-4.8     REAL_CXX=g++-4.8
+      addons:
+        apt:
+          sources:
+          - ubuntu-toolchain-r-test
+          packages:
+          - g++-4.8
+          - libstdc++6-4.8-dbg
+          - libgtest-dev
+          - valgrind
+          - gdb
     - compiler: gcc
       env: REAL_CC=gcc-4.9     REAL_CXX=g++-4.9
       addons:
@@ -98,6 +139,35 @@ matrix:
           - libgtest-dev
           - valgrind
           - gdb
+    # Can't use valgrind and asan at the same time.
+    # Should probably fix the test leaks though.
+    - compiler: gcc
+      env: REAL_CC=gcc-5     REAL_CXX=g++-5  REAL_EXTRA=-fsanitize=address  FORCE_TESTER='' ASAN_OPTIONS=detect_leaks=0
+      addons:
+        apt:
+          sources:
+          - ubuntu-toolchain-r-test
+          packages:
+          - g++-5
+          - libstdc++6-5-dbg
+          - libgtest-dev
+          # - valgrind
+          - gdb
+    # LTO is buggy.
+    - compiler: gcc
+      env: REAL_CC=gcc-5     REAL_CXX=g++-5  REAL_EXTRA=-flto
+      addons:
+        apt:
+          sources:
+          - ubuntu-toolchain-r-test
+          packages:
+          - g++-5
+          - libstdc++6-5-dbg
+          - libgtest-dev
+          - valgrind
+          - gdb
+  allow_failures:
+    - env: REAL_CC=gcc-5     REAL_CXX=g++-5  REAL_EXTRA=-flto
 
 # everything that was pushed to stable was already on 'master', except
 # the version change and some doc changes.