gh-144942: Fix macOS dylib build by adding $(MODLIBS) and removing -undefined dynamic_lookup

Author: gourijain029-del

Makefile.pre.in

@@ -1034,7 +1034,7 @@ libpython3.so:	libpython$(LDVERSION).so
 	$(BLDSHARED) $(NO_AS_NEEDED) -o $@ -Wl,-h$@ $^
 
 libpython$(LDVERSION).dylib: $(LIBRARY_OBJS)
-	 $(CC) -dynamiclib $(PY_CORE_LDFLAGS) -undefined dynamic_lookup -Wl,-install_name,$(prefix)/lib/libpython$(LDVERSION).dylib -Wl,-compatibility_version,$(VERSION) -Wl,-current_version,$(VERSION) -o $@ $(LIBRARY_OBJS) $(DTRACE_OBJS) $(SHLIBS) $(LIBC) $(LIBM); \
+	 $(CC) -dynamiclib $(PY_CORE_LDFLAGS) -Wl,-install_name,$(prefix)/lib/libpython$(LDVERSION).dylib -Wl,-compatibility_version,$(VERSION) -Wl,-current_version,$(VERSION) -o $@ $(LIBRARY_OBJS) $(MODLIBS) $(DTRACE_OBJS) $(SHLIBS) $(LIBC) $(LIBM); \
 
 
 libpython$(VERSION).sl: $(LIBRARY_OBJS)

Misc/NEWS.d/next/macOS/2026-02-25-07-20-00.gh-issue-144942.H7g6F5.rst

@@ -0,0 +1 @@
+Correctly link with $(MODLIBS) when building the macOS dylib and remove the -undefined dynamic_lookup linker flag.