Merge pull request #762 from ACSimon33/osx_flat_namespace

Added option to enable flat namespace on macOS

Author: langou

.github/workflows/cmake.yml

@@ -75,6 +75,7 @@ jobs:
         cmake -B build
         -D CMAKE_C_COMPILER="gcc-11"
         -D CMAKE_Fortran_COMPILER="gfortran-11"
+        -D USE_FLAT_NAMESPACE:BOOL=ON
 
     # - name: Use Unix Makefiles on Windows
     #   if: ${{ matrix.os == 'windows-latest' }}

CBLAS/include/cblas.h

@@ -608,7 +608,11 @@ void cblas_zher2k(CBLAS_LAYOUT layout, CBLAS_UPLO Uplo,
                   const void *B, const CBLAS_INT ldb, const double beta,
                   void *C, const CBLAS_INT ldc);
 
-void cblas_xerbla(CBLAS_INT p, const char *rout, const char *form, ...);
+void
+#ifdef HAS_ATTRIBUTE_WEAK_SUPPORT
+__attribute__((weak))
+#endif
+cblas_xerbla(CBLAS_INT p, const char *rout, const char *form, ...);
 
 #ifdef __cplusplus
 }