Remove boost 169 from builder.py

Summary: Existing code unquestioningly adds VC flags to output and also Boost 1.69 stuff, but this version of Boost (probably) isn't used any more. Remove it.

Reviewed By: zzl0

Differential Revision: D90271489

fbshipit-source-id: cec11ebaac6c34e24e495b56adbdc88cbdf797e1

Author: r-barnes

build/fbcode_builder/getdeps/builder.py

@@ -703,12 +703,13 @@ def __init__(
             self.defines.update(extra_cmake_defines)
         self.cmake_target = cmake_target
 
-        try:
-            from .facebook.vcvarsall import extra_vc_cmake_defines
-        except ImportError:
-            pass
-        else:
-            self.defines.update(extra_vc_cmake_defines)
+        if build_opts.is_windows():
+            try:
+                from .facebook.vcvarsall import extra_vc_cmake_defines
+            except ImportError:
+                pass
+            else:
+                self.defines.update(extra_vc_cmake_defines)
 
         self.loader = loader
         if build_opts.shared_libs:
@@ -824,24 +825,6 @@ def _compute_cmake_define_args(self, env):
             # tests.
             defines["CMAKE_BUILD_WITH_INSTALL_RPATH"] = "ON"
 
-        boost_169_is_required = False
-        if self.loader:
-            for m in self.loader.manifests_in_dependency_order():
-                preinstalled = m.get_section_as_dict("preinstalled.env", self.ctx)
-                boost_169_is_required = "BOOST_ROOT_1_69_0" in preinstalled.keys()
-                if boost_169_is_required:
-                    break
-
-        if (
-            boost_169_is_required
-            and self.build_opts.allow_system_packages
-            and self.build_opts.host_type.get_package_manager()
-            and self.build_opts.host_type.get_package_manager() == "rpm"
-        ):
-            # Boost 1.69 rpms don't install cmake config to the system, so to point to them explicitly
-            defines["BOOST_INCLUDEDIR"] = "/usr/include/boost169"
-            defines["BOOST_LIBRARYDIR"] = "/usr/lib64/boost169"
-
         defines.update(self.defines)
         define_args = ["-D%s=%s" % (k, v) for (k, v) in defines.items()]