Testing preprocessor limits in CI

.travis.yml

@@ -116,6 +116,16 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      compiler: g++-8
+      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14,17 PPLIMITS=preprocessor_limits
+      addons:
+        apt:
+          packages:
+            - g++-8
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       compiler: g++-9
       env: TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17
@@ -126,6 +136,16 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      compiler: g++-9
+      env: TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14,17 PPLIMITS=preprocessor_limits
+      addons:
+        apt:
+          packages:
+            - g++-9
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       dist: bionic
       compiler: g++-10
@@ -137,6 +157,17 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
+    - os: linux
+      dist: bionic
+      compiler: g++-10
+      env: TOOLSET=gcc COMPILER=g++-10 CXXSTD=03,11,14,17,2a PPLIMITS=preprocessor_limits
+      addons:
+        apt:
+          packages:
+            - g++-10
+          sources:
+            - ubuntu-toolchain-r-test
+
     - os: linux
       compiler: clang++
       env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11
@@ -273,6 +304,18 @@ matrix:
             - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main'
               key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
 
+    - os: linux
+      compiler: clang++-9
+      env: TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11,14,17,2a PPLIMITS=preprocessor_limits
+      addons:
+        apt:
+          packages:
+            - clang-9
+          sources:
+            - ubuntu-toolchain-r-test
+            - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main'
+              key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
+
     - os: linux
       compiler: clang++-10
       env: TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,11,14,17,2a
@@ -285,6 +328,18 @@ matrix:
             - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-10 main'
               key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
 
+    - os: linux
+      compiler: clang++-10
+      env: TOOLSET=clang COMPILER=clang++-10 CXXSTD=03,11,14,17,2a PPLIMITS=preprocessor_limits
+      addons:
+        apt:
+          packages:
+            - clang-10
+          sources:
+            - ubuntu-toolchain-r-test
+            - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-10 main'
+              key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
+
     - os: linux
       dist: trusty
       compiler: clang++-libc++
@@ -339,7 +394,7 @@ install:
 script:
   - |-
     echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
-  - ./b2 -j 3 libs/preprocessor/test toolset=$TOOLSET cxxstd=$CXXSTD
+  - ./b2 -j 3 libs/preprocessor/test toolset=$TOOLSET cxxstd=$CXXSTD $PPLIMITS
 
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