Remove the +shared build option; enable implicitly

Author: zanieb

cpython-unix/build-main.py

@@ -59,10 +59,7 @@ def main():
     options = set()
     options.update({"debug", "noopt", "pgo", "lto", "pgo+lto"})
     options.update({f"freethreaded+{option}" for option in options})
-    link_modes = {"static", "shared"}
-    options.update(
-        {f"{option}+{link_mode}" for link_mode in link_modes for option in options}
-    )
+    options.update({f"{option}+static" for option in options})
     parser.add_argument(
         "--options",
         choices=options,
@@ -146,10 +143,6 @@ def main():
 
     env = dict(os.environ)
 
-    # Default to dynamic linking if no link mode is specified
-    if not any(link_mode in args.options for link_mode in link_modes):
-        args.options += "+shared"
-
     env["PYBUILD_HOST_PLATFORM"] = host_platform
     env["PYBUILD_TARGET_TRIPLE"] = target_triple
     env["PYBUILD_BUILD_OPTIONS"] = args.options

cpython-unix/build.py

@@ -847,10 +847,7 @@ def build_cpython(
                     crt_features.append("musl-dynamic")
 
                     musl_version = DOWNLOADS["musl"]["version"]
-                    crt_features.append(
-                        "musl-version:%s"
-                        % musl_version
-                    )
+                    crt_features.append("musl-version:%s" % musl_version)
 
                 else:
                     crt_features.append("glibc-dynamic")
@@ -980,13 +977,7 @@ def main():
     options = set()
     options.update({"debug", "noopt", "pgo", "lto", "pgo+lto"})
     options.update({f"freethreaded+{option}" for option in options})
-    options.update(
-        {
-            f"{option}+{link_mode}"
-            for link_mode in {"static", "shared"}
-            for option in options
-        }
-    )
+    options.update({f"{option}+static" for option in options})
     parser.add_argument(
         "--options",
         choices=options,