make build number arithmetic explicit

don't rely on PKG_BUILDNUM resolving this correctly, which is either racy,
or implicitly depends on a separate render pass after setting build.number

Author: h-vetinari

recipe/meta.yaml

@@ -66,8 +66,8 @@ build:
 {% else %}
   skip: true  # [is_rc]
 {% endif %}
-  string: cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}  # [cuda_compiler_version != "None"]
-  string: cpu_{{ blas_impl }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}                                                 # [cuda_compiler_version == "None"]
+  string: cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}_h{{ PKG_HASH }}_{{ build }}  # [cuda_compiler_version != "None"]
+  string: cpu_{{ blas_impl }}_h{{ PKG_HASH }}_{{ build }}                                                 # [cuda_compiler_version == "None"]
   detect_binary_files_with_prefix: false
   run_exports:
     - {{ pin_subpackage('libtorch', max_pin='x.x') }}
@@ -168,8 +168,8 @@ requirements:
     - pytorch-gpu ==99999999       # [cuda_compiler_version == "None"]
     - pytorch-gpu =={{ version }}  # [cuda_compiler_version != "None"]
     - pytorch-cpu ==99999999       # [cuda_compiler_version != "None"]
-    - pytorch {{ version }} cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}_*_{{ PKG_BUILDNUM }}  # [cuda_compiler_version != "None"]
-    - pytorch {{ version }} cpu_{{ blas_impl }}_*_{{ PKG_BUILDNUM }}                                                 # [cuda_compiler_version == "None"]
+    - pytorch {{ version }} cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}_*_{{ build }}  # [cuda_compiler_version != "None"]
+    - pytorch {{ version }} cpu_{{ blas_impl }}_*_{{ build }}                                                 # [cuda_compiler_version == "None"]
     # if using OpenBLAS, ensure that a version compatible with OpenMP is used
     # otherwise, we get the following warnings:
     # OpenBLAS Warning : Detect OpenMP Loop and this application may hang. Please rebuild the library with USE_OPENMP=1 option.
@@ -216,8 +216,8 @@ outputs:
     script: build.sh    # [unix]
     script: bld.bat     # [win]
     build:
-      string: cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}_py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}  # [cuda_compiler_version != "None"]
-      string: cpu_{{ blas_impl }}_py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}                                                 # [cuda_compiler_version == "None"]
+      string: cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}_py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ build }}  # [cuda_compiler_version != "None"]
+      string: cpu_{{ blas_impl }}_py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ build }}                                                 # [cuda_compiler_version == "None"]
       detect_binary_files_with_prefix: false
       run_exports:
         - {{ pin_subpackage('pytorch', max_pin='x.x') }}
@@ -440,19 +440,19 @@ outputs:
   {% set pytorch_cpu_gpu = "pytorch-gpu" %}   # [cuda_compiler_version != "None"]
   - name: {{ pytorch_cpu_gpu }}
     build:
-      string: cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}                  # [megabuild and cuda_compiler_version != "None"]
-      string: cpu_{{ blas_impl }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}                                                                # [megabuild and cuda_compiler_version == "None"]
-      string: cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}  # [not megabuild and cuda_compiler_version != "None"]
-      string: cpu_{{ blas_impl }}_py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ PKG_BUILDNUM }}                                                # [not megabuild and cuda_compiler_version == "None"]
+      string: cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}_h{{ PKG_HASH }}_{{ build }}                  # [megabuild and cuda_compiler_version != "None"]
+      string: cpu_{{ blas_impl }}_h{{ PKG_HASH }}_{{ build }}                                                                 # [megabuild and cuda_compiler_version == "None"]
+      string: cuda{{ cuda_compiler_version | replace('.', '') }}_{{ blas_impl }}py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ build }}  # [not megabuild and cuda_compiler_version != "None"]
+      string: cpu_{{ blas_impl }}_py{{ CONDA_PY }}_h{{ PKG_HASH }}_{{ build }}                                                # [not megabuild and cuda_compiler_version == "None"]
       detect_binary_files_with_prefix: false
       # weigh down cpu implementation and give cuda preference
       track_features:
         - pytorch-cpu                                      # [cuda_compiler_version == "None"]
     requirements:
       run:
-        - pytorch {{ version }}=cuda*_{{ blas_impl }}*{{ PKG_BUILDNUM }}  # [megabuild and cuda_compiler_version != "None"]
-        - pytorch {{ version }}=cpu_{{ blas_impl }}*{{ PKG_BUILDNUM }}    # [megabuild and cuda_compiler_version == "None"]
-        - {{ pin_subpackage("pytorch", exact=True) }}                     # [not megabuild]
+        - pytorch {{ version }}=cuda*_{{ blas_impl }}*{{ build }}   # [megabuild and cuda_compiler_version != "None"]
+        - pytorch {{ version }}=cpu_{{ blas_impl }}*{{ build }}     # [megabuild and cuda_compiler_version == "None"]
+        - {{ pin_subpackage("pytorch", exact=True) }}               # [not megabuild]
     test:
       imports:
         - torch