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.\" ========================================================================
.\"
.IX Title "LLVM-CONFIG 1"
.TH LLVM-CONFIG 1 "2006-08-01" "CVS" "LLVM Command Guide"
.SH "NAME"
llvm\-config \- Print LLVM compilation options
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBllvm-config\fR \fIoption\fR [\fIcomponents\fR...]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBllvm-config\fR makes it easier to build applications that use \s-1LLVM\s0.  It can
print the compiler flags, linker flags and object libraries needed to link
against \s-1LLVM\s0.
.SH "EXAMPLES"
.IX Header "EXAMPLES"
To link against the \s-1JIT:\s0
.PP
.Vb 3
\&  g++ `llvm-config --cxxflags` -o HowToUseJIT.o -c HowToUseJIT.cpp
\&  g++ `llvm-config --ldflags` -o HowToUseJIT HowToUseJIT.o \e
\&      `llvm-config --libs engine bcreader scalaropts`
.Ve
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-\-version\fR" 4
.IX Item "--version"
Print the version number of \s-1LLVM\s0.
.IP "\fB\-\-help\fR" 4
.IX Item "--help"
Print a summary of \fBllvm-config\fR arguments.
.IP "\fB\-\-prefix\fR" 4
.IX Item "--prefix"
Print the installation prefix for \s-1LLVM\s0.
.IP "\fB\-\-src\-root\fR" 4
.IX Item "--src-root"
Print the source root from which \s-1LLVM\s0 was built.
.IP "\fB\-\-obj\-root\fR" 4
.IX Item "--obj-root"
Print the object root used to build \s-1LLVM\s0.
.IP "\fB\-\-bindir\fR" 4
.IX Item "--bindir"
Print the installation directory for \s-1LLVM\s0 binaries.
.IP "\fB\-\-includedir\fR" 4
.IX Item "--includedir"
Print the installation directory for \s-1LLVM\s0 headers.
.IP "\fB\-\-libdir\fR" 4
.IX Item "--libdir"
Print the installation directory for \s-1LLVM\s0 libraries.
.IP "\fB\-\-cxxflags\fR" 4
.IX Item "--cxxflags"
Print the \*(C+ compiler flags needed to use \s-1LLVM\s0 headers.
.IP "\fB\-\-ldflags\fR" 4
.IX Item "--ldflags"
Print the flags needed to link against \s-1LLVM\s0 libraries.
.IP "\fB\-\-libs\fR" 4
.IX Item "--libs"
Print all the libraries needed to link against the specified \s-1LLVM\s0
\&\fIcomponents\fR, including any dependencies.
.IP "\fB\-\-libnames\fR" 4
.IX Item "--libnames"
Similar to \fB\-\-libs\fR, but prints the bare filenames of the libraries
without \fB\-l\fR or pathnames.  Useful for linking against a not-yet-installed
copy of \s-1LLVM\s0.
.IP "\fB\-\-libfiles\fR" 4
.IX Item "--libfiles"
Similar to \fB\-\-libs\fR, 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.
.IP "\fB\-\-components\fR" 4
.IX Item "--components"
Print all valid component names.
.IP "\fB\-\-targets\-built\fR" 4
.IX Item "--targets-built"
Print the component names for all targets supported by this copy of \s-1LLVM\s0.
.IP "\fB\-\-build\-mode\fR" 4
.IX Item "--build-mode"
Print the build mode used when \s-1LLVM\s0 was built (e.g. Debug or Release)
.SH "COMPONENTS"
.IX Header "COMPONENTS"
To print a list of all available components, run \fBllvm-config
\&\-\-components\fR.  In most cases, components correspond directly to \s-1LLVM\s0
libraries.  Useful \*(L"virtual\*(R" components include:
.IP "\fBall\fR" 4
.IX Item "all"
Includes all \s-1LLVM\s0 libaries.  The default if no components are specified.
.IP "\fBbackend\fR" 4
.IX Item "backend"
Includes either a native backend or the C backend.
.IP "\fBengine\fR" 4
.IX Item "engine"
Includes either a native \s-1JIT\s0 or the bytecode interpreter.
.SH "EXIT STATUS"
.IX Header "EXIT STATUS"
If \fBllvm-config\fR succeeds, it will exit with 0.  Otherwise, if an error
occurs, it will exit with a non-zero value.
.SH "AUTHORS"
.IX Header "AUTHORS"
Maintained by the \s-1LLVM\s0 Team (<http://llvm.org>).