Use sysroot for chromeos builds

net/third_party/nss/ssl/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/crypto.gni")
+
 config("ssl_config") {
   include_dirs = [ "." ]
 
   if (is_mac || is_win) {
     defines = [ "NSS_PLATFORM_CLIENT_AUTH" ]
   }
 }
 
-component("libssl") {
-  output_name = "crssl"
+if (!use_openssl) {
+  component("libssl") {
+    output_name = "crssl"
 
-  sources = [
-    "SSLerrs.h",
-    "authcert.c",
-    "bodge/secitem_array.c",
-    "cmpcert.c",
-    "derive.c",
-    "dtlscon.c",
-    "preenc.h",
-    "prelib.c",
-    "ssl.h",
-    "ssl3con.c",
-    "ssl3ecc.c",
-    "ssl3ext.c",
-    "ssl3gthr.c",
-    "ssl3prot.h",
-    "sslauth.c",
-    "sslcon.c",
-    "ssldef.c",
-    "sslenum.c",
-    "sslerr.c",
-    "sslerr.h",
-    "sslerrstrs.c",
-    "sslgathr.c",
-    "sslimpl.h",
-    "sslinfo.c",
-    "sslinit.c",
-    "sslmutex.c",
-    "sslmutex.h",
-    "sslnonce.c",
-    "sslplatf.c",
-    "sslproto.h",
-    "sslreveal.c",
-    "sslsecur.c",
-    "sslsnce.c",
-    "sslsock.c",
-    "sslt.h",
-    "ssltrace.c",
-    "sslver.c",
-    "unix_err.c",
-    "unix_err.h",
-    "win32err.c",
-    "win32err.h",
-  ]
-
-  public_configs = [ ":ssl_config" ]
-
-  cflags = []
-  defines = [
-    "NO_PKCS11_BYPASS",
-    "NSS_ENABLE_ECC",
-    "USE_UTIL_DIRECTLY",
-  ]
-
-  configs -= [ "//build/config/compiler:chromium_code" ]
-  configs += [ "//build/config/compiler:no_chromium_code" ]
-
-  if (is_win) {
-    sources -= [
+    sources = [
+      "SSLerrs.h",
+      "authcert.c",
+      "bodge/secitem_array.c",
+      "cmpcert.c",
+      "derive.c",
+      "dtlscon.c",
+      "preenc.h",
+      "prelib.c",
+      "ssl.h",
+      "ssl3con.c",
+      "ssl3ecc.c",
+      "ssl3ext.c",
+      "ssl3gthr.c",
+      "ssl3prot.h",
+      "sslauth.c",
+      "sslcon.c",
+      "ssldef.c",
+      "sslenum.c",
+      "sslerr.c",
+      "sslerr.h",
+      "sslerrstrs.c",
+      "sslgathr.c",
+      "sslimpl.h",
+      "sslinfo.c",
+      "sslinit.c",
+      "sslmutex.c",
+      "sslmutex.h",
+      "sslnonce.c",
+      "sslplatf.c",
+      "sslproto.h",
+      "sslreveal.c",
+      "sslsecur.c",
+      "sslsnce.c",
+      "sslsock.c",
+      "sslt.h",
+      "ssltrace.c",
+      "sslver.c",
       "unix_err.c",
       "unix_err.h",
-    ]
-    if (is_component_build) {
-      ldflags = [ "/DEF:" + rebase_path("exports_win.def", root_build_dir) ]
-    }
-  } else if (is_linux) {
-    if (is_component_build) {
-      configs -= [ "//build/config/gcc:symbol_visibility_hidden" ]
-    }
-
-    libs = [ "dl" ]
-
-    include_dirs = [ "bodge" ]
-
-    # Must be after ssl_config since we want our SSL headers to take
-    # precedence.
-    public_configs += [ "//third_party/nss:system_nss_no_ssl_config" ]
-  } else if (is_mac) {
-    libs = [ "Security.framework" ]
-  }
-
-  if (is_clang) {
-    # SSL triggers some of these Clang warnings.
-    configs -= [ "//build/config/clang:extra_warnings" ]
-
-    # There is a broken header guard in /usr/include/nss/secmod.h:
-    # https://bugzilla.mozilla.org/show_bug.cgi?id=884072
-    cflags = [ "-Wno-header-guard" ]
-
-    if (is_ios) {
-      # libssl uses routines deprecated on iOS (sem_init/sem_destroy).
-      # https://bugzilla.mozilla.org/show_bug.cgi?id=1192500
-      cflags += [ "-Wno-deprecated-declarations" ]
-    }
-  }
-
-  if (is_posix) {
-    sources -= [
       "win32err.c",
       "win32err.h",
     ]
-  }
 
-  if (is_mac || is_ios) {
-    defines += [
-      "XP_UNIX",
-      "DARWIN",
-      "XP_MACOSX",
+    public_configs = [ ":ssl_config" ]
+
+    cflags = []
+    defines = [
+      "NO_PKCS11_BYPASS",
+      "NSS_ENABLE_ECC",
+      "USE_UTIL_DIRECTLY",
     ]
-  }
 
-  if (is_mac || is_ios || is_win) {
-    sources -= [ "bodge/secitem_array.c" ]
-    public_deps = [
-      "//third_party/nss:nspr",
-      "//third_party/nss:nss",
-    ]
-  }
+    configs -= [ "//build/config/compiler:chromium_code" ]
+    configs += [ "//build/config/compiler:no_chromium_code" ]
 
-  if (is_debug) {
-    defines += [ "DEBUG" ]
+    if (is_win) {
+      sources -= [
+        "unix_err.c",
+        "unix_err.h",
+      ]
+      if (is_component_build) {
+        ldflags = [ "/DEF:" + rebase_path("exports_win.def", root_build_dir) ]
+      }
+    } else if (is_linux) {
+      if (is_component_build) {
+        configs -= [ "//build/config/gcc:symbol_visibility_hidden" ]
+      }
+
+      libs = [ "dl" ]
+
+      include_dirs = [ "bodge" ]
+
+      # Must be after ssl_config since we want our SSL headers to take
+      # precedence.
+      public_configs += [ "//third_party/nss:system_nss_no_ssl_config" ]
+    } else if (is_mac) {
+      libs = [ "Security.framework" ]
+    }
+
+    if (is_clang) {
+      # SSL triggers some of these Clang warnings.
+      configs -= [ "//build/config/clang:extra_warnings" ]
+
+      # There is a broken header guard in /usr/include/nss/secmod.h:
+      # https://bugzilla.mozilla.org/show_bug.cgi?id=884072
+      cflags = [ "-Wno-header-guard" ]
+
+      if (is_ios) {
+        # libssl uses routines deprecated on iOS (sem_init/sem_destroy).
+        # https://bugzilla.mozilla.org/show_bug.cgi?id=1192500
+        cflags += [ "-Wno-deprecated-declarations" ]
+      }
+    }
+
+    if (is_posix) {
+      sources -= [
+        "win32err.c",
+        "win32err.h",
+      ]
+    }
+
+    if (is_mac || is_ios) {
+      defines += [
+        "XP_UNIX",
+        "DARWIN",
+        "XP_MACOSX",
+      ]
+    }
+
+    if (is_mac || is_ios || is_win) {
+      sources -= [ "bodge/secitem_array.c" ]
+      public_deps = [
+        "//third_party/nss:nspr",
+        "//third_party/nss:nss",
+      ]
+    }
+
+    if (is_debug) {
+      defines += [ "DEBUG" ]
+    }
   }
 }