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Corrections and additional information for "Creating and LLVM Project"

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documentation. This should now reflect the current state of LLVM Makefiles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132527 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2011-06-03 02:20:48 +00:00
parent 0fb684dae2
commit 21ac25144d
1 changed files with 34 additions and 6 deletions
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@@ -339,16 +339,41 @@ do:</p>
<dt>USEDLIBS
<dd>
This variable holds a space separated list of libraries that
should be linked into the program. These libraries must either
be LLVM libraries or libraries that come from your <b>lib</b>
directory. The libraries must be specified by their base name.
For example, to link libsample.a, you would set USEDLIBS to
<tt>sample</tt>.
This variable holds a space separated list of libraries that should
be linked into the program. These libraries must be libraries that
come from your <b>lib</b> directory. The libraries must be
specified without their "lib" prefix. For example, to link
libsample.a, you would set USEDLIBS to
<tt>sample.a</tt>.
<p>
Note that this works only for statically linked libraries.
<p>
<dt>LLVMLIBS
<dd>
This variable holds a space separated list of libraries that should
be linked into the program. These libraries must be LLVM libraries.
The libraries must be specified without their "lib" prefix. For
example, to link with a driver that performs an IR transformation
you might set LLVMLIBS to this minimal set of libraries
<tt>LLVMSupport.a LLVMCore.a LLVMBitReader.a LLVMAsmParser.a LLVMAnalysis.a LLVMTransformUtils.a LLVMScalarOpts.a LLVMTarget.a</tt>.
<p>
Note that this works only for statically linked libraries. LLVM is
split into a large number of static libraries, and the list of libraries you
require may be much longer than the list above. To see a full list
of libraries use:
<tt>llvm-config --libs all</tt>.
Using LINK_COMPONENTS as described below, obviates the need to set LLVMLIBS.
<p>
<dt>LINK_COMPONENTS
<dd>This variable holds a space separated list of components that
the LLVM Makefiles pass to the <tt>llvm-config</tt> tool to generate
a link line for the program. For example, to link with all LLVM
libraries use
<tt>LINK_COMPONENTS = all</tt>.
<p>
<dt>LIBS
<dd>
To link dynamic libraries, add <tt>-l&lt;library base name&gt;</tt> to
@@ -361,6 +386,9 @@ do:</p>
<tt>
LIBS += -lsample
</tt>
<p>
Note that LIBS must occur in the Makefile after the inclusion of Makefile.common.
<p>
</dl>
</div>