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 libaries. 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.
AUTHORS¶
Maintained by the LLVM Team (<
http://llvm.org/>).