Simple fixes

.github/workflows/main.yml

@@ -14,10 +14,15 @@ on:
     branches:
       - main
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   ubuntu-multiple-pythons:
     name: ${{ matrix.os }} with Python ${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 60
     strategy:
       matrix:
         python-version: [ '3.6', '3.9', '3.10' ]
@@ -51,6 +56,7 @@ jobs:
   clang-compiler:
     name: LLVM/Clang with Python 3.8
     runs-on: ubuntu-20.04
+    timeout-minutes: 60
     steps:
     - uses: actions/checkout@v2
       name: Checkout the repository
@@ -81,6 +87,7 @@ jobs:
   macos-multiple-pythons:
     name: macOS with Python ${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 60
     strategy:
       matrix:
         python-version: [ '3.7', '3.9', '3.10' ]
@@ -124,6 +131,7 @@ jobs:
   coverage:
     name: Coverage
     runs-on: ubuntu-latest
+    timeout-minutes: 90
     steps:
     - uses: actions/checkout@v2
       name: Checkout the repository
@@ -173,6 +181,7 @@ jobs:
   docs:
     name: Build docs
     runs-on: ubuntu-latest
+    timeout-minutes: 60
     env:
       DEPLOY: ${{ github.event_name == 'push' && github.repository_owner == 'Cantera' && endsWith(github.ref, 'main') }}
     steps:
@@ -241,6 +250,7 @@ jobs:
   run-examples:
     name: Run the Python examples using bash
     runs-on: ubuntu-18.04
+    timeout-minutes: 60
     strategy:
       matrix:
         python-version: ['3.6', '3.9', '3.10']
@@ -287,6 +297,7 @@ jobs:
   multiple-sundials:
     name: Sundials ${{ matrix.sundials-ver }}
     runs-on: ubuntu-latest
+    timeout-minutes: 60
     defaults:
       run:
         shell: bash -l {0}
@@ -322,6 +333,7 @@ jobs:
   cython-latest:
     name: Test pre-release version of Cython
     runs-on: ubuntu-latest
+    timeout-minutes: 60
     steps:
     - uses: actions/checkout@v2
       name: Checkout the repository
@@ -350,6 +362,7 @@ jobs:
   check-deprecations:
     name: Run test suite without legacy typedefs
     runs-on: ubuntu-latest
+    timeout-minutes: 60
     steps:
     - uses: actions/checkout@v2
       name: Checkout the repository
@@ -378,6 +391,7 @@ jobs:
   windows:
     name: ${{ matrix.os }}, MSVC ${{ matrix.vs-toolset }}, Python ${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 60
     env:
       BOOST_ROOT: ${{github.workspace}}/3rdparty/boost
       BOOST_URL: https://pilotfiber.dl.sourceforge.net/project/boost/boost/1.75.0/boost_1_75_0.7z
@@ -445,6 +459,7 @@ jobs:
   linux-intel-oneapi:
     name: intel-oneAPI on Ubuntu, Python 3.8
     runs-on: ubuntu-latest
+    timeout-minutes: 60
     env:
       INTEL_REPO: https://apt.repos.intel.com
       INTEL_KEY: GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
@@ -489,6 +504,7 @@ jobs:
   linux-intel-oneapi-classic:
     name: intel-oneAPI classic on Ubuntu, Python 3.8
     runs-on: ubuntu-latest
+    timeout-minutes: 60
     env:
       INTEL_REPO: https://apt.repos.intel.com
       INTEL_KEY: GPG-PUB-KEY-INTEL-SW-PRODUCTS-2023.PUB
@@ -533,6 +549,7 @@ jobs:
   windows-mingw:
     name: mingw on Windows, Python 3.8
     runs-on: windows-2019
+    timeout-minutes: 60
     env:
       BOOST_ROOT: ${{github.workspace}}/3rdparty/boost
       BOOST_URL: https://pilotfiber.dl.sourceforge.net/project/boost/boost/1.75.0/boost_1_75_0.7z

SConstruct

@@ -1043,9 +1043,10 @@ conf = Configure(env, custom_tests={'CheckStatement': CheckStatement})
 env = conf.env  # Retain updates to `env` after the end of the `Configure` context
 
 # First, a sanity check:
-if not conf.CheckCXXHeader('cmath', '<>'):
-    config_error('The C++ compiler is not correctly configured.')
-
+if not conf.CheckCXXHeader("cmath", "<>"):
+    config_error(
+        "The C++ compiler is not correctly configured (incomplete include paths)."
+    )
 
 def get_expression_value(includes, expression, defines=()):
     s = ['#define ' + d for d in defines]
@@ -1062,8 +1063,16 @@ def get_expression_value(includes, expression, defines=()):
               '}\n'))
     return '\n'.join(s)
 
+# Check that libraries link correctly
+cmath_check_source = get_expression_value(["<cmath>"], "cos(0. * argc)")
+retcode, cmath_works = conf.TryRun(cmath_check_source, ".cpp")
+if cmath_works.strip() != "1":
+    config_error(
+        "The C++ compiler is not correctly configured (failed at linking stage)."
+    )
+
 # Check that NaN is treated correctly
-nan_check_source = get_expression_value(["<cmath>"], 'std::isnan(NAN + argc)')
+nan_check_source = get_expression_value(["<cmath>"], "std::isnan(NAN + argc)")
 retcode, nan_works = conf.TryRun(nan_check_source, ".cpp")
 if nan_works.strip() != "1":
     config_error(