diff --git a/HISTORY.rst b/HISTORY.rst
index 52bda7be..cec8face 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -7,6 +7,8 @@ PlatformIO 2.0
 2.6.0 (2015-12-??)
 ~~~~~~~~~~~~~~~~~~
 
+* Install only required packages depending on build environment
+  (`issue #308 <https://github.com/platformio/platformio/issues/308>`_)
 * Added support for Raspberry Pi `WiringPi <http://docs.platformio.org/en/latest/frameworks/wiringpi.html>`__
   framework
   (`issue #372 <https://github.com/platformio/platformio/issues/372>`_)
diff --git a/platformio/__init__.py b/platformio/__init__.py
index 0e62f577..547416a9 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-VERSION = (2, 6, "0.dev0")
+VERSION = (2, 6, "0.dev1")
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"
diff --git a/platformio/builder/main.py b/platformio/builder/main.py
index 387fed55..26bc853f 100644
--- a/platformio/builder/main.py
+++ b/platformio/builder/main.py
@@ -57,6 +57,7 @@ commonvars.AddVariables(
 
     # package aliases
     ("PIOPACKAGE_TOOLCHAIN",),
+    ("PIOPACKAGE_FRAMEWORK",),
     ("PIOPACKAGE_UPLOADER",),
 
     # options
diff --git a/platformio/commands/platforms.py b/platformio/commands/platforms.py
index 71899117..1a3a6e3a 100644
--- a/platformio/commands/platforms.py
+++ b/platformio/commands/platforms.py
@@ -38,8 +38,11 @@ def platforms_install(platforms, with_package, without_package,
     for platform in platforms:
         p = PlatformFactory.newPlatform(platform)
         if p.install(with_package, without_package, skip_default_package):
-            click.secho("The platform '%s' has been successfully installed!" %
-                        platform, fg="green")
+            click.secho(
+                "The platform '%s' has been successfully installed!\n"
+                "The rest of packages will be installed automatically "
+                "depending on your build environment." % platform,
+                fg="green")
 
 
 @cli.command("list", short_help="List installed platforms")
@@ -131,7 +134,7 @@ def platforms_show(ctx, platform):
     installed_packages = PackageManager.get_installed()
     for name in p.get_installed_packages():
         data = installed_packages[name]
-        pkgalias = p.get_pkg_alias(name)
+        pkgalias = p.get_package_alias(name)
         click.echo("----------")
         click.echo("Package: %s" % click.style(name, fg="yellow"))
         if pkgalias:
diff --git a/platformio/commands/run.py b/platformio/commands/run.py
index 1a756dfc..1747f25e 100644
--- a/platformio/commands/run.py
+++ b/platformio/commands/run.py
@@ -181,8 +181,7 @@ class EnvironmentProcessor(object):
 
         telemetry.on_run_environment(self.options, build_targets)
 
-        # install platform and libs dependencies
-        _autoinstall_platform(self.cmd_ctx, platform, build_targets)
+        # install dependent libraries
         if "lib_install" in self.options:
             _autoinstall_libs(self.cmd_ctx, self.options['lib_install'])
 
@@ -190,35 +189,6 @@ class EnvironmentProcessor(object):
         return p.run(build_vars, build_targets, self.verbose_level)
 
 
-def _autoinstall_platform(ctx, platform, targets):
-    installed_platforms = PlatformFactory.get_platforms(installed=True).keys()
-    cmd_options = {}
-    p = PlatformFactory.newPlatform(platform)
-
-    if "uploadlazy" in targets:
-        upload_tools = p.pkg_aliases_to_names(["uploader"])
-
-        # platform without uploaders
-        if not upload_tools and platform in installed_platforms:
-            return
-        # uploaders are already installed
-        if set(upload_tools) <= set(p.get_installed_packages()):
-            return
-
-        cmd_options['skip_default_package'] = True
-        if upload_tools:
-            cmd_options['with_package'] = ["uploader"]
-
-    elif (platform in installed_platforms and
-          set(p.get_default_packages()) <= set(p.get_installed_packages())):
-        return
-
-    if (not app.get_setting("enable_prompts") or
-            click.confirm("The platform '%s' has not been installed yet. "
-                          "Would you like to install it now?" % platform)):
-        ctx.invoke(cmd_platforms_install, platforms=[platform], **cmd_options)
-
-
 def _autoinstall_libs(ctx, libids_list):
     require_libs = [int(l.strip()) for l in libids_list.split(",")]
     installed_libs = [
diff --git a/platformio/platforms/atmelavr.py b/platformio/platforms/atmelavr.py
index 25d07a7f..de18ad20 100644
--- a/platformio/platforms/atmelavr.py
+++ b/platformio/platforms/atmelavr.py
@@ -36,39 +36,35 @@ class AtmelavrPlatform(BasePlatform):
         },
 
         "tool-avrdude": {
-            "alias": "uploader",
-            "default": True
+            "alias": "uploader"
         },
 
         "tool-micronucleus": {
-            "alias": "uploader",
-            "default": True
+            "alias": "uploader"
         },
 
         "framework-arduinoavr": {
-            "default": True
+            "alias": "framework"
         }
     }
 
     def get_name(self):
         return "Atmel AVR"
 
+    def configure_default_packages(self, envoptions, targets):
+        if envoptions.get("board"):
+            board = get_boards(envoptions.get("board"))
+            disable_tool = "tool-micronucleus"
+            if "digispark" in board['build']['core']:
+                disable_tool = "tool-avrdude"
+            del self.PACKAGES[disable_tool]['alias']
+
+        return BasePlatform.configure_default_packages(
+            self, envoptions, targets)
+
     def on_run_err(self, line):  # pylint: disable=R0201
         # fix STDERR "flash written" for avrdude
         if "avrdude" in line:
             self.on_run_out(line)
         else:
             BasePlatform.on_run_err(self, line)
-
-    def run(self, variables, targets, verbose):
-        for v in variables:
-            if "BOARD=" not in v:
-                continue
-            disable_tool = "tool-micronucleus"
-            _, board = v.split("=")
-            bdata = get_boards(board)
-            if "digispark" in bdata['build']['core']:
-                disable_tool = "tool-avrdude"
-            del self.PACKAGES[disable_tool]['alias']
-            break
-        return BasePlatform.run(self, variables, targets, verbose)
diff --git a/platformio/platforms/atmelsam.py b/platformio/platforms/atmelsam.py
index 16e3ca51..e1a84170 100644
--- a/platformio/platforms/atmelsam.py
+++ b/platformio/platforms/atmelsam.py
@@ -37,12 +37,11 @@ class AtmelsamPlatform(BasePlatform):
         },
 
         "framework-arduinosam": {
-            "default": True
+            "alias": "framework"
         },
 
         "tool-bossac": {
-            "alias": "uploader",
-            "default": True
+            "alias": "uploader"
         }
     }
 
diff --git a/platformio/platforms/base.py b/platformio/platforms/base.py
index 16c8901c..45f1acf1 100644
--- a/platformio/platforms/base.py
+++ b/platformio/platforms/base.py
@@ -20,7 +20,7 @@ from os.path import isdir, isfile, join
 
 import click
 
-from platformio import exception, util
+from platformio import app, exception, util
 from platformio.app import get_state_item, set_state_item
 from platformio.pkgmanager import PackageManager
 
@@ -71,6 +71,9 @@ PLATFORM_PACKAGES = {
     "framework-mbed": [
         ("mbed Framework", "http://mbed.org")
     ],
+    "framework-wiringpi": [
+        ("GPIO Interface library for the Raspberry Pi", "http://wiringpi.com")
+    ],
     "sdk-esp8266": [
         ("ESP8266 SDK", "http://bbs.espressif.com")
     ],
@@ -258,8 +261,8 @@ class BasePlatform(object):
     def get_packages(self):
         return self.PACKAGES
 
-    def get_pkg_alias(self, pkgname):
-        return self.PACKAGES[pkgname].get("alias", None)
+    def get_package_alias(self, pkgname):
+        return self.PACKAGES[pkgname].get("alias")
 
     def pkg_aliases_to_names(self, aliases):
         names = []
@@ -267,10 +270,12 @@ class BasePlatform(object):
             name = alias
             # lookup by package aliases
             for _name, _opts in self.get_packages().items():
-                if _opts.get("alias", None) == alias:
-                    name = _name
-                    break
-            names.append(name)
+                if _opts.get("alias") == alias:
+                    name = None
+                    names.append(_name)
+            # if alias is the right name
+            if name:
+                names.append(name)
         return names
 
     def get_default_packages(self):
@@ -281,9 +286,12 @@ class BasePlatform(object):
         pm = PackageManager()
         return [n for n in self.get_packages().keys() if pm.is_installed(n)]
 
-    def install(self, with_packages, without_packages, skip_default_packages):
-        with_packages = set(self.pkg_aliases_to_names(with_packages))
-        without_packages = set(self.pkg_aliases_to_names(without_packages))
+    def install(self, with_packages=None, without_packages=None,
+                skip_default_packages=False):
+        with_packages = set(
+            self.pkg_aliases_to_names(with_packages or []))
+        without_packages = set(
+            self.pkg_aliases_to_names(without_packages or []))
 
         upkgs = with_packages | without_packages
         ppkgs = set(self.get_packages().keys())
@@ -295,7 +303,7 @@ class BasePlatform(object):
             if name in without_packages:
                 continue
             elif (name in with_packages or (not skip_default_packages and
-                                            opts['default'])):
+                                            opts.get("default"))):
                 requirements.append(name)
 
         pm = PackageManager()
@@ -347,34 +355,74 @@ class BasePlatform(object):
         obsolated = pm.get_outdated()
         return not set(self.get_packages().keys()).isdisjoint(set(obsolated))
 
+    def configure_default_packages(self, envoptions, targets):
+        # enbale used frameworks
+        for pkg_name in self.pkg_aliases_to_names(["framework"]):
+            for framework in envoptions.get("framework", "").split(","):
+                framework = framework.lower().strip()
+                if not framework:
+                    continue
+                if framework in pkg_name:
+                    self.PACKAGES[pkg_name]['default'] = True
+
+        # enable upload tools for upload targets
+        if (set(["upload", "uploadlazy", "uploadeep", "program"])
+                & set(targets)):
+            for _name, _opts in self.PACKAGES.iteritems():
+                if _opts.get("alias") == "uploader":
+                    self.PACKAGES[_name]['default'] = True
+                elif "uploadlazy" in targets:
+                    # skip all packages, allow only upload tools
+                    self.PACKAGES[_name]['default'] = False
+
+    def install_default_packages(self, targets):
+        installed_platforms = PlatformFactory.get_platforms(
+            installed=True).keys()
+
+        if (self.get_type() in installed_platforms and
+                set(self.get_default_packages()) <=
+                set(self.get_installed_packages())):
+            return True
+
+        if (not app.get_setting("enable_prompts") or
+                self.get_type() in installed_platforms or
+                click.confirm(
+                    "The platform '%s' has not been installed yet. "
+                    "Would you like to install it now?" % self.get_type())):
+            return self.install()
+        else:
+            raise exception.PlatformNotInstalledYet(self.get_type())
+
     def run(self, variables, targets, verbose):
         assert isinstance(variables, list)
         assert isinstance(targets, list)
 
+        envoptions = {}
+        for v in variables:
+            _name, _value = v.split("=", 1)
+            envoptions[_name.lower()] = _value
+
+        self.configure_default_packages(envoptions, targets)
+        self.install_default_packages(targets)
+
         self._verbose_level = int(verbose)
 
-        installed_platforms = PlatformFactory.get_platforms(
-            installed=True).keys()
-        installed_packages = PackageManager.get_installed()
-
-        if self.get_type() not in installed_platforms:
-            raise exception.PlatformNotInstalledYet(self.get_type())
-
         if "clean" in targets:
             targets.remove("clean")
             targets.append("-c")
 
-        if not any([v.startswith("BUILD_SCRIPT=") for v in variables]):
+        if "build_script" not in envoptions:
             variables.append("BUILD_SCRIPT=%s" % self.get_build_script())
 
         for v in variables:
             if not v.startswith("BUILD_SCRIPT="):
                 continue
-            _, path = v.split("=", 2)
+            _, path = v.split("=", 1)
             if not isfile(path):
                 raise exception.BuildScriptNotFound(path)
 
         # append aliases of the installed packages
+        installed_packages = PackageManager.get_installed()
         for name, options in self.get_packages().items():
             if "alias" not in options or name not in installed_packages:
                 continue
diff --git a/platformio/platforms/espressif.py b/platformio/platforms/espressif.py
index 1b4ea3ab..a6784e1a 100644
--- a/platformio/platforms/espressif.py
+++ b/platformio/platforms/espressif.py
@@ -42,13 +42,19 @@ class EspressifPlatform(BasePlatform):
         },
 
         "sdk-esp8266": {
-            "default": True
         },
 
         "framework-arduinoespressif": {
-            "default": True
+            "alias": "framework"
         }
     }
 
     def get_name(self):
         return "Espressif"
+
+    def configure_default_packages(self, envoptions, targets):
+        if not envoptions.get("framework"):
+            self.PACKAGES['sdk-esp8266']['default'] = True
+
+        return BasePlatform.configure_default_packages(
+            self, envoptions, targets)
diff --git a/platformio/platforms/freescalekinetis.py b/platformio/platforms/freescalekinetis.py
index d076fd67..2420309f 100644
--- a/platformio/platforms/freescalekinetis.py
+++ b/platformio/platforms/freescalekinetis.py
@@ -34,7 +34,7 @@ class FreescalekinetisPlatform(BasePlatform):
         },
 
         "framework-mbed": {
-            "default": True
+            "alias": "framework"
         }
     }
 
diff --git a/platformio/platforms/linux_arm.py b/platformio/platforms/linux_arm.py
index 87f2c26a..95775976 100644
--- a/platformio/platforms/linux_arm.py
+++ b/platformio/platforms/linux_arm.py
@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from platformio import exception, util
 from platformio.platforms.base import BasePlatform
-from platformio.util import get_systype
 
 
 class Linux_armPlatform(BasePlatform):
@@ -34,10 +34,26 @@ class Linux_armPlatform(BasePlatform):
         "toolchain-gccarmlinuxgnueabi": {
             "alias": "toolchain",
             "default": True
+        },
+
+        "framework-wiringpi": {
+            "alias": "framework"
         }
     }
 
     def __init__(self):
-        if "linux_arm" in get_systype():
+        if "linux_arm" in util.get_systype():
             del self.PACKAGES['toolchain-gccarmlinuxgnueabi']
         BasePlatform.__init__(self)
+
+    def configure_default_packages(self, envoptions, targets):
+        if (envoptions.get("framework") == "wiringpi" and
+                "linux_arm" not in util.get_systype()):
+            raise exception.PlatformioException(
+                "PlatformIO does not support temporary cross-compilation "
+                "for WiringPi framework. Please run PlatformIO directly on "
+                "Raspberry Pi"
+            )
+
+        return BasePlatform.configure_default_packages(
+            self, envoptions, targets)
diff --git a/platformio/platforms/nordicnrf51.py b/platformio/platforms/nordicnrf51.py
index cbdca343..b2ef7197 100644
--- a/platformio/platforms/nordicnrf51.py
+++ b/platformio/platforms/nordicnrf51.py
@@ -36,7 +36,7 @@ class Nordicnrf51Platform(BasePlatform):
         },
 
         "framework-mbed": {
-            "default": True
+            "alias": "framework"
         }
     }
 
diff --git a/platformio/platforms/nxplpc.py b/platformio/platforms/nxplpc.py
index 80700560..d924ba76 100644
--- a/platformio/platforms/nxplpc.py
+++ b/platformio/platforms/nxplpc.py
@@ -36,7 +36,7 @@ class NxplpcPlatform(BasePlatform):
         },
 
         "framework-mbed": {
-            "default": True
+            "alias": "framework"
         }
     }
 
diff --git a/platformio/platforms/siliconlabsefm32.py b/platformio/platforms/siliconlabsefm32.py
index ea3c44d8..889c650f 100644
--- a/platformio/platforms/siliconlabsefm32.py
+++ b/platformio/platforms/siliconlabsefm32.py
@@ -39,7 +39,7 @@ class Siliconlabsefm32Platform(BasePlatform):
         },
 
         "framework-mbed": {
-            "default": True
+            "alias": "framework"
         }
     }
 
diff --git a/platformio/platforms/ststm32.py b/platformio/platforms/ststm32.py
index 29cedebe..7aee7f1a 100644
--- a/platformio/platforms/ststm32.py
+++ b/platformio/platforms/ststm32.py
@@ -40,24 +40,23 @@ class Ststm32Platform(BasePlatform):
         },
 
         "tool-stlink": {
-            "alias": "uploader",
-            "default": True
+            "alias": "uploader"
         },
 
         "framework-cmsis": {
-            "default": True
+            "alias": "framework"
         },
 
         "framework-spl": {
-            "default": True
+            "alias": "framework"
         },
 
         "framework-libopencm3": {
-            "default": True
+            "alias": "framework"
         },
 
         "framework-mbed": {
-            "default": True
+            "alias": "framework"
         }
     }
 
diff --git a/platformio/platforms/teensy.py b/platformio/platforms/teensy.py
index 31688f4e..0dcd6351 100644
--- a/platformio/platforms/teensy.py
+++ b/platformio/platforms/teensy.py
@@ -31,11 +31,9 @@ class TeensyPlatform(BasePlatform):
     PACKAGES = {
 
         "toolchain-atmelavr": {
-            "default": True
         },
 
         "toolchain-gccarmnoneeabi": {
-            "default": True
         },
 
         "ldscripts": {
@@ -43,32 +41,30 @@ class TeensyPlatform(BasePlatform):
         },
 
         "framework-arduinoteensy": {
-            "default": True
+            "alias": "framework"
         },
 
         "framework-mbed": {
-            "default": True
+            "alias": "framework"
         },
 
         "tool-teensy": {
-            "alias": "uploader",
-            "default": True
+            "alias": "uploader"
         }
     }
 
     def get_name(self):
         return "Teensy"
 
-    def run(self, variables, targets, verbose):
-        for v in variables:
-            if "BOARD=" not in v:
-                continue
-            _, board = v.split("=")
-            bdata = get_boards(board)
-            if bdata['build']['core'] == "teensy":
-                tpackage = "toolchain-atmelavr"
+    def configure_default_packages(self, envoptions, targets):
+        if envoptions.get("board"):
+            board = get_boards(envoptions.get("board"))
+            if board['build']['core'] == "teensy":
+                name = "toolchain-atmelavr"
             else:
-                tpackage = "toolchain-gccarmnoneeabi"
-            self.PACKAGES[tpackage]['alias'] = "toolchain"
-            break
-        return BasePlatform.run(self, variables, targets, verbose)
+                name = "toolchain-gccarmnoneeabi"
+            self.PACKAGES[name]['alias'] = "toolchain"
+            self.PACKAGES[name]['default'] = True
+
+        return BasePlatform.configure_default_packages(
+            self, envoptions, targets)
diff --git a/platformio/platforms/timsp430.py b/platformio/platforms/timsp430.py
index e4f7c0e2..ca78e2ca 100644
--- a/platformio/platforms/timsp430.py
+++ b/platformio/platforms/timsp430.py
@@ -34,16 +34,15 @@ class Timsp430Platform(BasePlatform):
         },
 
         "tool-mspdebug": {
-            "alias": "uploader",
-            "default": True
+            "alias": "uploader"
         },
 
         "framework-energiamsp430": {
-            "default": True
+            "alias": "framework"
         },
 
         "framework-arduinomsp430": {
-            "default": True
+            "alias": "framework"
         }
     }
 
diff --git a/platformio/platforms/titiva.py b/platformio/platforms/titiva.py
index 5ba21463..2db28880 100644
--- a/platformio/platforms/titiva.py
+++ b/platformio/platforms/titiva.py
@@ -38,16 +38,15 @@ class TitivaPlatform(BasePlatform):
         },
 
         "tool-lm4flash": {
-            "alias": "uploader",
-            "default": True
+            "alias": "uploader"
         },
 
         "framework-energiativa": {
-            "default": True
+            "alias": "framework"
         },
 
         "framework-libopencm3": {
-            "default": True
+            "alias": "framework"
         }
     }