| Commit message (Collapse) | Author | Age | Files | Lines |
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SCons 3.1 has moved to python 3, requiring this fix
to continue supporting scons builds.
Closes: #944
Cc: [email protected]
Acked-by: Eric Engestrom <[email protected]>
Tested-by: Eric Engestrom <[email protected]>
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These changes were generated using python's `2to3` tool.
Signed-off-by: Eric Engestrom <[email protected]>
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Some distros still ship the non-mingw-w64 cross-compilers, but they are
can't build Mesa properly, as Jakob pointed out.
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- recent gdb handles DWARF fine (tested both with version
7.1.90.20100730 from mingw-w64 project, and 7.5-1 from mingw project)
- http://people.freedesktop.org/~jrfonseca/bfdhelp/ was updated to
handle DWARF
- stabs requires ugly hacks to prevent compilation failures
- mixing stabs/dwarf prevents proper backtraces (which is inevitable,
given that the MinGW C runtime is pre-built with DWARF)
For example, without this change I get:
(gdb) bt
#0 _wassert (_Message=0xf925060 L"Num < NumOperands && \"Invalid child # of SDNode!\"",
_File=0xf60b488 L"llvm/include/llvm/CodeGen/SelectionDAGNodes.h", _Line=534)
at ../../../../mingw-w64-crt/misc/wassert.c:51
#1 0x0368996b in _assert (_Message=0x39d7ee4 "Num < NumOperands && \"Invalid child # of SDNode!\"",
_File=0x39d7e94 "llvm/include/llvm/CodeGen/SelectionDAGNodes.h", _Line=534)
at ../../../../mingw-w64-crt/misc/wassert.c:44
#2 0x00000004 in ?? ()
#3 0x00000004 in ?? ()
#4 0x0f60b488 in ?? ()
#5 0x00000000 in ?? ()
While with this change I get:
(gdb) bt
#0 _wassert (_Message=0xfb982e8 L"Num < NumOperands && \"Invalid child # of SDNode!\"",
_File=0xefbcb40 L"llvm/include/llvm/CodeGen/SelectionDAGNodes.h", _Line=534)
at ../../../../mingw-w64-crt/misc/wassert.c:51
#1 0x039c996b in _assert (_Message=0x3d17f24 "Num < NumOperands && \"Invalid child # of SDNode!\"",
_File=0x3d17ed4 "llvm/include/llvm/CodeGen/SelectionDAGNodes.h", _Line=534)
at ../../../../mingw-w64-crt/misc/wassert.c:44
#2 0x033111cc in getOperand (Num=4, this=<optimized out>)
at llvm/include/llvm/CodeGen/SelectionDAGNodes.h:534
#3 getOperand (i=4, this=<optimized out>)
at llvm/include/llvm/CodeGen/SelectionDAGNodes.h:779
#4 llvm::SelectionDAG::getNode (this=0xf00cb08, Opcode=79, DL=..., VT=..., N1=..., N2=...)
at llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:2859
#5 0x03377b20 in llvm::SelectionDAGBuilder::visitExtractElement (this=0xfb45028, I=...)
at llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp:2803
[...]
Reviewed-by: Brian Paul <[email protected]>
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So that they are used by native MinGW compilers too.
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This allows to use mingw-w64 binaries on debian systems which already
include a (typically incomplete) 64 cross compiler.
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Compiling some (large) files with i686-pc-mingw32-gcc 4.2.2 (at least)
and the -gstabs option triggers a compiler error. Use this work-around
to simply compile the effected files without -gstabs.
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Certain mingw32 cross compilers (e.g. RedHat's) defaults to use DLL gcc
runtime.
Given the main deliverable from this project are self-contained drivers,
which are loaded by any application, this dependency can cause havoc.
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(cherry picked from commit f1afb352daf0e74751c99254592eef863c64392a)
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Necessary for _aligned_malloc/free().
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Not always present.
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Mingw gdb apparently chokes on dwarf debug info.
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This allows to build MinGW and MSVC within the same dir.
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To build an alternative opengl32.dll with Gallium's software-rasterizer from a
debian-based distribution run:
sudo apt-get install mingw32
scons platform=windows toolchain=crossmingw machine=x86 winsys=gdi dri=no
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