add '-DBLAS_SYMBOL_PREFIX' to the wheel pkg-config cflags

Author: mattip

.github/workflows/posix.yml

@@ -69,6 +69,7 @@ jobs:
     - name: Set extra env
       run: |
         # if [ "macos-11" == "${{ matrix.os }}" ]; then
+        #   Use xcrun --sdk macosx --show-sdk-path instead of hardcoding the path
         #   echo "LDFLAGS=-L/Library/Developer/CommandLineTools/SDKs/MacOSX12.1.sdk/usr/lib" >> $GITHUB_ENV;
         #   echo "LIBRARY_PATH=-L/Library/Developer/CommandLineTools/SDKs/MacOSX12.1.sdk/usr/lib" >> $GITHUB_ENV;
         # else

.github/workflows/windows.yml

@@ -109,7 +109,7 @@ jobs:
             # of a pyproject.toml project
             sed -e "s/openblas64/openblas32/" -i pyproject.toml
             sed -e "s/openblas_get_config64_/openblas_get_config/" -i local/scipy_openblas32/__init__.py
-            sed -e "s/cflags_suffix64 =.*/cflags_suffix64 = ''/" -i local/scipy_openblas32/__init__.py
+            sed -e "s/cflags =.*/cflags = '-DBLAS_SYMBOL_PREFIX=scipy_'/" -i local/scipy_openblas32/__init__.py
             sed -e "s/openblas64/openblas32/" -i local/scipy_openblas32/__init__.py
             sed -e "s/openblas64/openblas32/" -i local/scipy_openblas32/__main__.py
         fi

local/scipy_openblas64/__init__.py

@@ -63,7 +63,7 @@ def get_pkg_config():
     else:
         extralib = "-lm -lpthread -lgfortran -lquadmath -L${libdir} -l{get_library()}"
         libs_flags = ""
-    cflags_suffix64 = "-DBLAS_SYMBOL_SUFFIX=64_ -DHAVE_BLAS_ILP64"
+    cflags = "-DBLAS_SYMBOL_PREFIX=scipy_ -DBLAS_SYMBOL_SUFFIX=64_ -DHAVE_BLAS_ILP64"
     return dedent(f"""\
         libdir={get_lib_dir()}
         includedir={get_include_dir()}
@@ -76,7 +76,7 @@ def get_pkg_config():
         URL: https://github.com/xianyi/OpenBLAS
         Libs: {libs_flags}
         Libs.private: ${{extralib}}
-        Cflags: -I${{includedir}} {cflags_suffix64}
+        Cflags: -I${{includedir}} {cflags}
         """)
 
 

tools/build_wheel.sh

@@ -41,7 +41,7 @@ if [ "${INTERFACE64}" != "1" ]; then
     rm *.bak
     mv local/scipy_openblas64 local/scipy_openblas32
     sed -e "s/openblas_get_config64_/openblas_get_config/" -i.bak local/scipy_openblas32/__init__.py
-    sed -e "s/cflags_suffix64 =.*/cflags_suffix64 = ''/" -i.bak local/scipy_openblas32/__init__.py
+    sed -e "s/cflags =.*/cflags = '-DBLAS_SYMBOL_PREFIX=scipy_'/" -i.bak local/scipy_openblas32/__init__.py
     sed -e "s/openblas64/openblas32/" -i.bak local/scipy_openblas32/__main__.py
     sed -e "s/openblas64/openblas32/" -i.bak local/scipy_openblas32/__init__.py
     rm local/scipy_openblas32/*.bak