If someone first configure build with LLVM_ENABLE_FFI=1 and then turn it
off, the build will fail in lib/ExecutionEngine/Interpreter because
Interpreter will try still to #include <ffi/ffi.h>, but there are no
include_directories(${FFI_INCLUDE_DIR}) now.
This patch unset()'s HAVE_FFI_H and HAVE_FFI_FFI_H from cache file if
LLVM_ENABLE_FFI=0. This forces CMake to update config.h.
Patch by arrowdodger!
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with the contents of CMAKE_C(XX)_FLAGS too, else `llvm-config
--c(xx)flags' doesn't tell the absolute truth.
This comes from PR9603 and is based on a patch by Ryuta Suzuki!
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unnecesary conditionals and introduced a new convenience function.
The problem was that the list of libraries for Clang's unit tests was
<clang libraries> <system libraries> <llvm libraries>. As the llvm
libraries references symbols defined on the system libraries, those
were reported as undefined.
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Now we can remove RuntimeDyld from the LLVM_LINK_COMPONENTS of
tools/lli. CMakeLists.txt LLVM_LINK_COMPONENTS shall not differ from
its companion Makefile LINK_COMPONENTS.
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Without this cmake fails at configuration when some target pass
"native" on LLVM_LINK_COMPONENTS and that is expanded to "X86".
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before the main loop. This is necessary because the loop ignores the
items added to `link_components' after it is entered.
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of testing for its presence at cmake time.
This way the build automatically regenerates the makefiles when a svn
update brings in a new sublibrary.
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AC_CHECK_FUNCS seeks a symbol only in libs. We should check the declaration in string.h.
FIXME: I have never seen mingw(s) have strerror_s() (not _strerror_s()).
FIXME: Autoconf/CMake may seek strerror_s() with the definition MINGW_HAS_SECURE_API in future.
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config.h.* have conditions whether each symbol is defined or not.
Autoconf and CMake may check symbols in libgcc.a for JIT on Mingw.
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library.
Installs tblgen (required by Clang).
Translates handling of user settings and platform-dependant options to
its own file, where it can included by another project.
Installs the .cmake files required by projects like Clang.
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llvm-config --cflags --cxxflags --cppflags
We shouldn't impose those flags on people who use llvm-config for
building their own projects.
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config.h was generated, so it had no effect on it.
Thanks to arrowdodger for pointing out this and a tentative patch.
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