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cmd/dist, cmd/go: pass -fmessage-length=0 when using clang
That option turns off word wrapping of individual error messages generated by clang. The wrapping makes the errors harder to read and conflicts with the idea of a terminal window that can be resized. R=golang-dev, r CC=golang-dev https://golang.org/cl/35810043
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src/cmd/dist/build.c
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src/cmd/dist/build.c
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@ -677,6 +677,8 @@ install(char *dir)
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vadd(&gccargs, "-fno-caret-diagnostics");
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// clang is too smart about unused command-line arguments
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vadd(&gccargs, "-Qunused-arguments");
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// disable line wrapping in error messages
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vadd(&gccargs, "-fmessage-length=0");
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}
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if(streq(gohostos, "darwin")) {
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// golang.org/issue/5261
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@ -1890,6 +1890,8 @@ func (b *builder) ccompilerCmd(envvar, defcmd, objdir string) []string {
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a = append(a, "-fno-caret-diagnostics")
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// clang is too smart about command-line arguments
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a = append(a, "-Qunused-arguments")
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// disable word wrapping in error messages
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a = append(a, "-fmessage-length=0")
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}
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// On OS X, some of the compilers behave as if -fno-common
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