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PROGRAM:

NAME


llvm-config - Print LLVM compilation options

SYNOPSIS


llvm-config option [components...]

DESCRIPTION


llvm-config makes it easier to build applications that use LLVM. It can print the
compiler flags, linker flags and object libraries needed to link against LLVM.

EXAMPLES


To link against the JIT:

g++ `llvm-config --cxxflags` -o HowToUseJIT.o -c HowToUseJIT.cpp
g++ `llvm-config --ldflags` -o HowToUseJIT HowToUseJIT.o \
`llvm-config --libs engine bcreader scalaropts`

OPTIONS


--version
Print the version number of LLVM.

-help
Print a summary of llvm-config arguments.

--prefix
Print the installation prefix for LLVM.

--src-root
Print the source root from which LLVM was built.

--obj-root
Print the object root used to build LLVM.

--bindir
Print the installation directory for LLVM binaries.

--includedir
Print the installation directory for LLVM headers.

--libdir
Print the installation directory for LLVM libraries.

--cxxflags
Print the C++ compiler flags needed to use LLVM headers.

--ldflags
Print the flags needed to link against LLVM libraries.

--libs
Print all the libraries needed to link against the specified LLVM components, including
any dependencies.

--libnames
Similar to --libs, but prints the bare filenames of the libraries without -l or
pathnames. Useful for linking against a not-yet-installed copy of LLVM.

--libfiles
Similar to --libs, but print the full path to each library file. This is useful when
creating makefile dependencies, to ensure that a tool is relinked if any library it
uses changes.

--components
Print all valid component names.

--targets-built
Print the component names for all targets supported by this copy of LLVM.

--build-mode
Print the build mode used when LLVM was built (e.g. Debug or Release)

COMPONENTS


To print a list of all available components, run llvm-config --components. In most cases,
components correspond directly to LLVM libraries. Useful "virtual" components include:

all
Includes all LLVM libraries. The default if no components are specified.

backend
Includes either a native backend or the C backend.

engine
Includes either a native JIT or the bitcode interpreter.

EXIT STATUS


If llvm-config succeeds, it will exit with 0. Otherwise, if an error occurs, it will exit
with a non-zero value.

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