Also, put a line of whitespace between the diagnostic and the source
code/caret line when the start of the actual source code text lines up
(or nearly lines up) with the most recent line of the diagnostic. For
example, here it's okay for the last line of the diagnostic to be
(vertically) next to the source line, because there is horizontal
whitespace to separate them:
decl-expr-ambiguity.cpp:12:16: error: function-style cast to a builtin
type can only take one argument
typeof(int)(a,5)<<a;
However, here is a case where we need the vertical separation (since
there is no horizontal separation):
message-length.c:10:46: warning: incompatible pointer types initializing 'void
(int, float, char, float)', expected 'int (*)(int, float, short,
float)'
int (*fp1)(int, float, short, float) = f;
This is part one of <rdar://problem/6711348>.
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regardless of extension.
- Otherwise we can't expect that just plugging in -ccc-pch-is-pch
will work.
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- This can be used to supply a default value for -std=; the idea is
that this can be used in conjunction with CCC_ADD_ARGS or
QA_OVERRIDE_GCC3_OPTIONS to change the default without having to
modify the build system.
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- Otherwise, we will end up with stray .dSYM files which don't get
lipo'ed or removed.
- Ideally we would run dsymutil on the result, but we don't have the
infrastructure for that yet. Note that gcc doesn't handle this case
either.
- <rdar://problem/6809621> [driver] clang leaves .dSYM files lying
around in tmp.
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-funsigned-bitfields for now (clang defaults to -fsigned-bitfields).
- <rdar://problem/6790309> ER: Support
-fsigned-bitfields/-funsigned-bitfields
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up adding them twice when running with -no-integrated-cpp or
-save-temps.
- <rdar://problem/6766636> -save-temps falls over with prefix headers
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- Add -static-define option driver can use when __STATIC__ should be
defined (instead of __DYNAMIC__).
- Don't set __OPTIMIZE_SIZE__ on Os, __OPTIMIZE_SIZE__ is tied to Oz.
- Set __NO_INLINE__ following GCC 4.2.
- Set __GNU_GNU_INLINE__ or __GNU_STDC_INLINE__ following GCC 4.2.
- Set __EXCEPTIONS for Objective-C NonFragile ABI.
- Set __STRICT_ANSI__ for standard conforming modes.
- I added a clang style test case in utils for this, but its not
particularly portable and I don't think it belongs in the test
suite.
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- This is pretty ugly, but the most obvious solution. Chime in if you
have a nicer one.
- The problem is that with -save-temps, clang-cc has no idea what the
name of the original input file is. However, the user expects to be
able to set breakpoints based on the input file name.
- We support this by providing a new option -main-file-name (similar
to -dumpbase used by gcc) which allows the driver to pass in the
original file name.
- <rdar://problem/6753383> building with clang using --save-temps
gets the compile unit name from the .i file...
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- Add -pic-level clang-cc option to specify the value for the define,
updated driver to pass this.
- Added __pic__
- Added OBJC_ZEROCOST_EXCEPTIONS define while I was here (to match gcc).
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- Groups are really just intended to hold inherent structure of the
options, not be abused for individual tool argument translation.
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clang.
- We will eventually want some more driver infrastructre for this
probably.
- For now, the clang-cc interface stays relatively the same, but we
don't accept multiple instances anymore, or the [no-] variants
directly.
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- Ignore some more -W options and -[fm] options which we can somewhat
safely ignore.
- Recognize that -W is an alias for -Wextra
W: -Wdeclaration-after-statement -Werror-implicit-function-declaration -Wfour-char-constants -Winit-self -Wmissing-format-attribute -Wno-#warnings -Wno-comment -Wno-long-long -Wno-variadic-macros -Wold-style-definition -Wstrict-prototypes -Wunused-parameter
f: -fconstant-cfstrings -fdollars-in-identifiers -finline -finline-functions -fno-inline -fno-keep-inline-functions -fno-strict-aliasing -fobjc-atdefs -fobjc-call-cxx-cdtors -fobjc-new-property -fstack-protector
m: -mconstant-cfstrings -mfix-and-continue
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preceeded by a linker input flag.
- <rdar://problem/6757236> clang should make a dSYM when going
straight from source to binary
- This still matches gcc, but the right way to solve this would be to
detect the situation we care about (we are compiling from source
and linking in one step), instead of looking at the suffix of the
input file. The Tool doesn't quite have enough information to do
this yet, however.
- Also, find the suffix correctly.
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- PR3922
- I have a clean solution for this in flight, but it may take a while
to come to fruition so we'll take a quick fix for now.
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the preprocessor.
- PR3602.
- As is inherent in the blanket forwarding options, this will only
work if clang-cc happens to accept what the user passed. Users by
and large should use driver options to interact with the
preprocessor, if at all possible.
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- Always pass -triple to clang-cc (-arch will be removed).
- clang-cc doesn't play guess work with the target triple anymore.
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- Not particularly elegant, but my hand is forced by gcc.
Also, tweak -ccc-print-bindings output.
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- Rip out various bits of logic from clang-cc's dependency file gen,
force driver to provide instead.
- -MD output now goes to proper location
<rdar://problem/6723948> clang -MD puts dep file in /tmp with wrong name
- -M and -MM still don't work correctly.
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unused, and lacking a test case).
- ccc is now on death row, pending some more testing and bug fixes.
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Daniel Dunbar
Douglas Gregor
Chris Lattner
Fariborz Jahanian
Ed Schouten