"make" script to enable command-line build on Windows

http://codereview.appspot.com/4685051/



git-svn-id: http://skia.googlecode.com/svn/trunk@1838 2bbb7eff-a529-9590-31e7-b0007b416f81

make.bat

@@ -0,0 +1,38 @@
+@rem    Copyright 2011 Google Inc.
+@rem
+@rem    Licensed under the Apache License, Version 2.0 (the "License");
+@rem    you may not use this file except in compliance with the License.
+@rem    You may obtain a copy of the License at
+@rem
+@rem         http://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem    Unless required by applicable law or agreed to in writing, software
+@rem    distributed under the License is distributed on an "AS IS" BASIS,
+@rem    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem    See the License for the specific language governing permissions and
+@rem    limitations under the License.
+
+@rem Launches make.py on Windows, after setting Visual Studio environment variables.
+@rem See http://code.google.com/p/skia/wiki/GettingStartedOnWindows
+
+@rem Force gyp to generate .vcxproj files, as needed for msbuild.exe
+set GYP_MSVS_VERSION=2010
+
+@if "%DevEnvDir%"=="" goto setup_env_vars
+
+:run_python
+@rem Run make.py and propagate its return value.
+python make.py %*
+@exit /B %ERRORLEVEL%
+
+:setup_env_vars
+@rem Visual Studio environment variables aren't set yet, so run vcvars32.bat
+@if "%VS100COMNTOOLS%"=="" goto error_no_VS100COMNTOOLS
+call "%VS100COMNTOOLS%..\..\VC\bin\vcvars32.bat"
+@if %ERRORLEVEL% neq 0 exit /B %ERRORLEVEL%
+@goto run_python
+
+:error_no_VS100COMNTOOLS
+@echo ERROR: VS100COMNTOOLS environment variable not set.
+@echo Are you sure Visual Studio 2010 is installed?
+@exit /B 1

make.py

@@ -0,0 +1,131 @@
+#    Copyright 2011 Google Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+
+# "Makefile" replacement to build skia for Windows.
+# More info at http://code.google.com/p/skia/wiki/DocRoot
+
+import os
+import shutil
+import sys
+
+# TODO(epoger): add special 'all' target
+TARGET_CLEAN = 'clean'
+
+SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))
+OUT_SUBDIR = 'out'
+GYP_SUBDIR = 'gyp'
+
+
+# Simple functions that report what they are doing, and exit(1) on failure.
+def cd(path):
+    print '> cd %s' % path
+    if not os.path.exists(path):
+        print 'path %s does not exist' % path
+        sys.exit(1)
+    os.chdir(path)
+
+def rmtree(path):
+    print '> rmtree %s' % path
+    shutil.rmtree(path, ignore_errors=True)
+
+def runcommand(command):
+    print '> %s' % command
+    if os.system(command):
+        sys.exit(1)
+
+def MakeClean():
+    """Cross-platform "make clean" operation."""
+    cd(SCRIPT_DIR)
+    rmtree(OUT_SUBDIR)
+    # clean up the directory that XCode (on Mac) creates
+    rmtree('xcodebuild')
+
+
+def CheckWindowsEnvironment():
+    """For Windows: check environment variables needed for command-line build.
+
+    If those environment variables are missing, try to set them.
+    If environment variables can be set up, this function returns; otherwise,
+    it displays an error message and exits.
+    """
+    # If we already have the proper environment variables, nothing to do here.
+    try:
+        env_DevEnvDir = os.environ['DevEnvDir']
+        return  # found it, so we are done
+    except KeyError:
+        pass # go on and run the rest of this function
+
+    print ('\nCould not find Visual Studio environment variables.'
+           '\nPerhaps you have not yet run vcvars32.bat as described at'
+           '\nhttp://msdn.microsoft.com/en-us/library/f2ccy3wt.aspx ?')
+    found_path = None
+    try:
+        possible_path = os.path.abspath(os.path.join(
+            os.environ['VS100COMNTOOLS'], os.path.pardir, os.path.pardir,
+            'VC', 'bin', 'vcvars32.bat'))
+        if os.path.exists(possible_path):
+            found_path = possible_path
+    except KeyError:
+        pass
+    if found_path:
+        print '\nIt looks like you can run that script at:\n%s' % found_path
+    else:
+        print '\nUnable to find vcvars32.bat on your system.'
+    sys.exit(1)
+
+
+def MakeWindows(args):
+    """For Windows: build as appropriate for the command line arguments.
+
+    parameters:
+        args: command line arguments as a list of strings
+    """
+    CheckWindowsEnvironment()
+    # TODO(epoger): what about parameters?  (fixed vs float, debug vs release)
+    # TODO(epoger): what about "make" flags (like -j) that Windows doesn't support?
+
+    # Run gyp_skia to prepare Visual Studio projects.
+    cd(SCRIPT_DIR)
+    runcommand('python gyp_skia')
+    
+    for target in args:
+        # Check for special-case targets
+        if target == TARGET_CLEAN:
+            MakeClean()
+        else:
+            cd(os.path.join(SCRIPT_DIR, OUT_SUBDIR, GYP_SUBDIR))
+            runcommand('msbuild /target:%s %s.sln' % (target, target))
+
+
+# main:
+# dispatch to appropriate Make<Platform>() variant.
+if os.name == 'nt':
+    MakeWindows(sys.argv[1:])
+    sys.exit(0)
+elif os.name == 'posix':
+    if sys.platform == 'darwin':
+        print 'Mac developers should not run this script; see ' \
+            'http://code.google.com/p/skia/wiki/GettingStartedOnMac'
+        sys.exit(1)
+    else:
+        print 'Unix developers should not run this script; see ' \
+            'http://code.google.com/p/skia/wiki/GettingStartedOnLinux'
+        sys.exit(1)
+else:
+    print 'unknown platform (os.name=%s, sys.platform=%s); see %s' % (
+        os.name, sys.platform, 'http://code.google.com/p/skia/wiki/DocRoot')
+    sys.exit(1)
+sys.exit(0)
+    
+