fbcode_builder: getdeps: add OpenSSL builder

Summary:
the openssl builder knows how to perform the non-standard
configuration and build steps to build openssl.

On Linux systems the manifests for our projects don't mention
openssl, causing them to pick up the system openssl.

On Mac, apple don't ship openssl headers so we need to build our own.
On Windows there is no standard openssl installation so we also need
to build our own.

As a result, this builder only works on windows and mac.

Reviewed By: simpkins

Differential Revision: D14691010

fbshipit-source-id: 9f8979f9eaeb5209c290cf4f43c97c0cb43d13a2

build/fbcode_builder/getdeps/builder.py

@@ -238,3 +238,50 @@ class NinjaBootstrap(BuilderBase):
             os.makedirs(bin_dir)
         shutil.copyfile(src_ninja, dest_ninja)
         shutil.copymode(src_ninja, dest_ninja)
+
+
+class OpenSSLBuilder(BuilderBase):
+    def __init__(self, build_opts, ctx, manifest, build_dir, src_dir, inst_dir):
+        super(OpenSSLBuilder, self).__init__(
+            build_opts, ctx, manifest, src_dir, build_dir, inst_dir
+        )
+
+    def _build(self, install_dirs, reconfigure):
+        configure = os.path.join(self.src_dir, "Configure")
+
+        # prefer to resolve the perl that we installed from
+        # our manifest on windows, but fall back to the system
+        # path on eg: darwin
+        env = self.env.copy()
+        for d in install_dirs:
+            bindir = os.path.join(d, "bin")
+            add_path_entry(env, "PATH", bindir, append=False)
+
+        perl = path_search(env, "perl", "perl")
+
+        if self.build_opts.is_windows():
+            make = "nmake.exe"
+            args = ["VC-WIN64A-masm", "-utf-8"]
+        elif self.build_opts.is_darwin():
+            make = "make"
+            args = ["darwin64-x86_64-cc"]
+        else:
+            raise Exception("don't know how to build openssl for %r" % self.ctx)
+
+        self._run_cmd(
+            [
+                perl,
+                configure,
+                "--prefix=%s" % self.inst_dir,
+                "--openssldir=%s" % self.inst_dir,
+            ]
+            + args
+            + [
+                "enable-static-engine",
+                "enable-capieng",
+                "no-makedepend",
+                "no-unit-test",
+                "no-tests",
+            ]
+        )
+        self._run_cmd([make, "install_sw", "install_ssldirs"])

build/fbcode_builder/getdeps/manifest.py

@@ -10,7 +10,13 @@ from __future__ import absolute_import, division, print_function, unicode_litera
 
 import io
 
-from .builder import AutoconfBuilder, CMakeBuilder, MakeBuilder, NinjaBootstrap
+from .builder import (
+    AutoconfBuilder,
+    CMakeBuilder,
+    MakeBuilder,
+    NinjaBootstrap,
+    OpenSSLBuilder,
+)
 from .expr import parse_expr
 from .fetcher import (
     ArchiveFetcher,
@@ -323,4 +329,9 @@ class ManifestParser(object):
                 build_options, ctx, self, build_dir, src_dir, inst_dir
             )
 
+        if builder == "openssl":
+            return OpenSSLBuilder(
+                build_options, ctx, self, build_dir, src_dir, inst_dir
+            )
+
         raise KeyError("project %s has no known builder" % (self.name))