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add a helper binary for wrapping cl.exe
Modify bootstrap etc. to make use of this binary.
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,115 @@ | ||
| // Copyright 2011 Google Inc. All Rights Reserved. | ||
| // | ||
| // 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. | ||
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| #include "msvc_helper.h" | ||
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| #include <windows.h> | ||
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| #include "util.h" | ||
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| #include "getopt.h" | ||
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| namespace { | ||
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| void Usage() { | ||
| printf( | ||
| "ninja-msvc-helper: adjust msvc command-line tools for use by ninja.\n" | ||
| "\n" | ||
| "usage: ninja-mvsc-helper [options] -- command args\n" | ||
| "options:\n" | ||
| " -e ENVFILE load environment block from ENVFILE as environment\n" | ||
| " -r BASE normalize paths and make relative to BASE before output\n" | ||
| " -o FILE write output dependency information to FILE.d\n" | ||
| ); | ||
| } | ||
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| void PushPathIntoEnvironment(const string& env_block) { | ||
| const char* as_str = env_block.c_str(); | ||
| while (as_str[0]) { | ||
| if (_strnicmp(as_str, "path=", 5) == 0) { | ||
| _putenv(as_str); | ||
| return; | ||
| } else { | ||
| as_str = &as_str[strlen(as_str) + 1]; | ||
| } | ||
| } | ||
| } | ||
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| } // anonymous namespace | ||
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| int main(int argc, char** argv) { | ||
| const char* output_filename = NULL; | ||
| const char* relative_to = NULL; | ||
| const char* envfile = NULL; | ||
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| const option kLongOptions[] = { | ||
| { "help", no_argument, NULL, 'h' }, | ||
| { NULL, 0, NULL, 0 } | ||
| }; | ||
| int opt; | ||
| while ((opt = getopt_long(argc, argv, "e:o:r:h", kLongOptions, NULL)) != -1) { | ||
| switch (opt) { | ||
| case 'e': | ||
| envfile = optarg; | ||
| break; | ||
| case 'o': | ||
| output_filename = optarg; | ||
| break; | ||
| case 'r': | ||
| relative_to = optarg; | ||
| break; | ||
| case 'h': | ||
| default: | ||
| Usage(); | ||
| return 0; | ||
| } | ||
| } | ||
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| if (!output_filename) | ||
| Fatal("-o required"); | ||
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| string env; | ||
| if (envfile) { | ||
| string err; | ||
| if (ReadFile(envfile, &env, &err) != 0) | ||
| Fatal("couldn't open %s: %s", envfile, err.c_str()); | ||
| PushPathIntoEnvironment(env); | ||
| } | ||
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| char* command = GetCommandLine(); | ||
| command = strstr(command, " -- "); | ||
| if (!command) { | ||
| Fatal("expected command line to end with \" -- command args\""); | ||
| } | ||
| command += 4; | ||
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| CLWrapper cl; | ||
| if (!env.empty()) | ||
| cl.SetEnvBlock((void*)env.data()); | ||
| int exit_code = cl.Run(command); | ||
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| string depfile = string(output_filename) + ".d"; | ||
| FILE* output = fopen(depfile.c_str(), "w"); | ||
| if (!output) { | ||
| Fatal("opening %s: %s", depfile.c_str(), GetLastErrorString().c_str()); | ||
| } | ||
| fprintf(output, "%s: ", output_filename); | ||
| for (vector<string>::iterator i = cl.includes_.begin(); | ||
| i != cl.includes_.end(); ++i) { | ||
| fprintf(output, "%s\n", i->c_str()); | ||
| } | ||
| fclose(output); | ||
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| return exit_code; | ||
| } |