add conan toolchain

Signed-off-by: Anton Dukhovnikov <[email protected]>

Author: antond-weta

.github/workflows/build-steps.yml

@@ -79,7 +79,9 @@ jobs:
         if: inputs.vfxyear > 2023
         shell: bash
         run: |
-          yum install -y json-devel
+          conan profile detect --force
+          conan install . --output-folder=build --build=missing
+          #yum install -y json-devel
           python -m pip install nanobind pytest
     
       - name: Configure CMake

.github/workflows/ci.yml

@@ -23,6 +23,7 @@ jobs:
       vfxyear: ${{ matrix.vfxyear || 0 }}
       ceres_hack: ${{ matrix.ceres_hack || 'OFF' }}
       test_install: ${{ matrix.test_install || 'ON' }}
+      toolchain_file: ${{ matrix.toolchain_file }}
 
     strategy:
       # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
@@ -41,10 +42,13 @@ jobs:
             container: aswf/ci-osl:2023-clang15
           - vfxyear: 2024
             container: aswf/ci-rawtoaces:2024.4
+            toolchain_file: "build/conan_toolchain.cmake"
           - vfxyear: 2025
             container: aswf/ci-rawtoaces:2025.3
+            toolchain_file: "build/conan_toolchain.cmake"
           - vfxyear: 2026
             container: aswf/ci-rawtoaces:2026.1
+            toolchain_file: "build/conan_toolchain.cmake"
 
   build:
     name: "${{matrix.os}} ${{matrix.c_compiler}}"

conanfile.txt

@@ -0,0 +1,7 @@
+[requires]
+nlohmann_json/3.11.3
+nanobind/2.9.2
+
+[generators]
+CMakeDeps
+CMakeToolchain