Add CI for building docs

.github/workflows/cov.yml

@@ -6,6 +6,9 @@ on:
       - master
       - develop
     paths-ignore:
+      - '.github/workflows/doc.yml'
+      - '.github/workflows/fast.yml'
+      - '.github/workflows/slow.yml'
       - 'doc/**'
       - 'examples/**'
       - '*.md'

.github/workflows/doc.yml

@@ -0,0 +1,65 @@
+name: Documentation
+
+on:
+  pull_request:
+    branches:
+      - master
+      - develop
+    paths-ignore:
+      - '.github/workflows/cov.yml'
+      - '.github/workflows/fast.yml'
+      - '.github/workflows/slow.yml'
+      - 'tools/**'
+      - '*.md'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref }}
+  cancel-in-progress: true
+
+jobs:
+  gcc:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.12' 
+
+    - name: Install docbook dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y docbook-xsl docbook-xml xsltproc doxygen
+
+    - name: Create user-config.jam
+      run: |
+        echo "using xsltproc ;" > $HOME/user-config.jam
+        echo "using boostbook : /usr/share/xml/docbook/stylesheet/nwalsh : /usr/share/xml/docbook/schema/dtd/4.2 ;" >> $HOME/user-config.jam
+        echo "using doxygen : /usr/bin/doxygen ;" >> $HOME/user-config.jam
+        echo "using python : 3.12 : /usr/bin/python3 ; " >> $HOME/user-config.jam
+
+    - uses: actions/checkout@v4
+
+    - name: Fetch Boost superproject
+      run: |
+        cd ..
+        git clone -b $GITHUB_BASE_REF --depth 5 https://github.com/boostorg/boost.git
+        cd boost
+        mv -f $GITHUB_WORKSPACE/* libs/histogram
+        git submodule update --init --depth 5 tools/build tools/boostdep tools/quickbook tools/boostbook
+        python tools/boostdep/depinst/depinst.py --git_args "--depth 5 --jobs 3" histogram
+        python tools/boostdep/depinst/depinst.py --git_args "--depth 5 --jobs 3" ../tools/quickbook
+        mv -f * $GITHUB_WORKSPACE
+
+    - name: Prepare b2
+      run: ./bootstrap.sh
+
+    - name: Build documentation
+      run: |
+        cd libs/histogram
+        ../../b2 doc
+
+    - name: Upload documentation
+      uses: actions/upload-artifact@v4
+      with:
+        name: histogram-docs
+        path: libs/histogram/doc/html
+        if-no-files-found: error

.github/workflows/fast.yml

@@ -1,11 +1,14 @@
-name: Fast
+name: Fast tests (cmake)
 
 on:
   pull_request:
     branches:
       - master
       - develop
     paths-ignore:
+      - '.github/workflows/cov.yml'
+      - '.github/workflows/doc.yml'
+      - '.github/workflows/slow.yml'
       - 'doc/**'
       - 'examples/**'
       - 'tools/**'

.github/workflows/slow.yml

@@ -1,11 +1,14 @@
-name: Slow
+name: Slow tests (b2)
 
 on:
   pull_request:
     branches:
       - master
       - develop
     paths-ignore:
+      - '.github/workflows/cov.yml'
+      - '.github/workflows/doc.yml'
+      - '.github/workflows/fast.yml'
       - 'doc/**'
       - 'tools/**'
       - '*.md'
@@ -19,7 +22,6 @@ env:
   UBSAN_OPTIONS: print_stacktrace=1
   LSAN_OPTIONS: verbosity=1:log_threads=1
   ASAN_OPTIONS: detect_leaks=1:detect_stack_use_after_return=1
-  COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}
 
 jobs:
   appleclang: