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clang was already patched to do -Wl,-z,relro by default. now it also passes
the equivalent of -Wl,-z,now.
clang's normal behavior on linux defaults to using stack smashing protection
whenever a function defines an 8 character or more local array. this is the
equivalent of passing in -fstack-protector with no additional options in gcc.
this release patches clang's default behavior to instead behave like
-fstack-protector-strong was passed in, enabling the canary in many more
conditions without the performance impact of adding it to ALL functions as is
the case with -fstack-protector-all. these conditions include:
local variable's address used as part of right hand side of assignment
local variable's address used as function argument
local variable is an array, regardless of array type or length
same as above, but local variable is a union containing an array
uses register local variables
SSP can still be disabled by passing in -fno-stack-protector.
You can still use -fstack-protector-all to add a canary to all functions.
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additionally, to make it easier to take advantage of polly's functionality, it
has been statically compiled into the tools themselves rather than as a plugin
that needs to be manually loaded before use.
polly's GPGPU codegen functionality has sadly been disabled in this build.
it appears that things are supposed to work without CUDA available, but this
doesn't seem to be true.
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clean up and update patchset
switch to cmake
perform a two-stage build with a minimal bootstrap compile of clang
add clang extras
update package list to split out clang documentation
enable pulling from the svn release tags
fix making use of abuild CFLAGS/CXXFLAGS during build
don't run check-llvm, as the tests fail when running under PaX
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with a minimal bootstrap compile of clang, add clang extras, update package list to split out clang documentation"
This reverts commit 81d1b43c5af39e14cb91232c4afcb7839b96f5a1.
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This reverts commit f38ff631e3623c3a1f8983ae906c86d6c10258a3.
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minimal bootstrap compile of clang, add clang extras, update package list to split out clang documentation
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move from testing
fixes #4068
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This reverts commit cdffe945bd8e14ac4a04a3cee7862797e9dd54d8.
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This reverts commit 51d9d10efc580dfb4ce82848124ce7c19319e76e.
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for musl build. the changes are automatically done based on previous
build log errors, so this does not guarantee successful build, but
is a required.
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Patch from Dubiousjim.
ref #1915
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- make it find dynamic linker
- set the target to i486-alpine-linux-uclibc
fixes #1798
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the llvm-config is a perl script...
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we have added the missing fenv funcs to uclibc
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