trying to fix osx problems

Signed-off-by: Nick Papior <[email protected]>

CMakeLists.txt

@@ -7,10 +7,24 @@ if(SKBUILD)
 endif()
 
 
+# We need to check for fortran first since the project initialization sets
+# specific variables depending on what languages are present.
+# Therefore project(... LANGUAGES C) + enable_language(Fortran)
+# is different from project(... LANGUAGES C Fortran)
+# This is a bit surprising... :(
+option(WITH_FORTRAN
+  "Whether to compile and ship fortran sources (default True)" TRUE)
+
+set(_languages C CXX)
+if( WITH_FORTRAN )
+  list(APPEND _languages Fortran)
+endif()
+
+
 project(sisl
   DESCRIPTION "Cythonized or fortran codes"
   HOMEPAGE_URL "https://github.com/zerothi/sisl"
-  LANGUAGES C CXX
+  LANGUAGES ${_languages}
   # cmake requires a version of X.Y.Z or some other form, it does not accept setuptools_scm dirty tags
   #  VERSION "${SKBUILD_PROJECT_VERSION}"
   )
@@ -40,17 +54,15 @@ set(CMAKE_SHARED_MODULE_PREFIX "")
 
 
 # Define all options for the user
-
-set(F2PY_REPORT_ON_ARRAY_COPY 10
-  CACHE STRING
-  "The minimum size of arrays before warning about copies")
-option(WITH_F2PY_REPORT_COPY
-  "Add instructions to track f2py-copies on routine calls use -DF2PY_REPORT_ON_ARRAY_COPY=<int> as well" FALSE)#
-option(WITH_F2PY_REPORT_EXIT
-  "Report timings on routine exits" FALSE)
-option(WITH_FORTRAN
-  "Whether to compile and ship fortran sources (default True)" TRUE)
-
+if( WITH_FORTRAN )
+  set(F2PY_REPORT_ON_ARRAY_COPY 10
+    CACHE STRING
+    "The minimum (element) size of arrays before warning about copies")
+  option(WITH_F2PY_REPORT_COPY
+    "Add instructions to track f2py-copies on routine calls use -DF2PY_REPORT_ON_ARRAY_COPY=<int> as well" FALSE)#
+  option(WITH_F2PY_REPORT_EXIT
+    "Report timings on routine exits" FALSE)
+endif()
 
 #option(WITH_COVERAGE
 #  "Add instructions for coverage in Cython files" FALSE)
@@ -87,6 +99,9 @@ if(WITH_FORTRAN)
 endif()
 set(ARCHFLAGS $ENV{ARCHFLAGS})
 cmake_print_variables(ARCHFLAGS)
+if( APPLE )
+  cmake_print_variables(CMAKE_OSX_ARCHITECTURES)
+endif()
 
 list(POP_BACK CMAKE_MESSAGE_INDENT)
 
@@ -106,9 +121,6 @@ endif()
 # Decide for fortran stuff
 if(WITH_FORTRAN)
 
-  # add the language
-  enable_language(Fortran)
-
   # Retrieve header information
   # Define f2py executable
   set(F2PY_EXECUTABLE "${PYTHON_EXECUTABLE}" -m numpy.f2py)

pyproject.toml

@@ -313,6 +313,9 @@ archs = [
     "x86_64",
 #    "aarch64",
 ]
+skip = [
+    "*musllinux*",
+]
 
 [tool.cibuildwheel.windows]
 archs = [