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| author | Bill Wendling <isanbard@gmail.com> | 2009-04-07 18:51:13 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2009-04-07 18:51:13 +0000 |
| commit | f159402cbd7504297ad91efdabce86ce6a443115 (patch) | |
| tree | 2fe6690ed7e38bd11f42afccd2ba44481f23c8b7 /docs/FAQ.html | |
| parent | 290235f8984ad6f60fbb70069fb2e526c6ff38e9 (diff) | |
| download | external_llvm-f159402cbd7504297ad91efdabce86ce6a443115.zip external_llvm-f159402cbd7504297ad91efdabce86ce6a443115.tar.gz external_llvm-f159402cbd7504297ad91efdabce86ce6a443115.tar.bz2 | |
Offer an explanation of why building LLVM-GCC with objdir == srcdir doesn't
work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68530 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/FAQ.html')
| -rw-r--r-- | docs/FAQ.html | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/docs/FAQ.html b/docs/FAQ.html index 3be0598..83719b7 100644 --- a/docs/FAQ.html +++ b/docs/FAQ.html @@ -74,6 +74,9 @@ <li><a href="#llvmc">The <tt>llvmc</tt> program gives me errors/doesn't work.</a></li> + + <li><a href="#srcdir-objdir">When I compile LLVM-GCC with srcdir == objdir, + it fails. Why?</a></li> </ol></li> <li><a href="#felangs">Source Languages</a> @@ -412,8 +415,9 @@ Stop. rebuilding.</p> </div> -<div class="question"><p><a name="llvmc"> -<p>The <tt>llvmc</tt> program gives me errors/doesn't work.</a></p> +<div class="question"> +<p><a name="llvmc">The <tt>llvmc</tt> program gives me errors/doesn't + work.</a></p> </div> <div class="answer"> @@ -421,6 +425,25 @@ Stop. using <tt>llvm-gcc</tt> instead.</p> </div> +<div class="question"> +<p><a href="srcdir-objdir">When I compile LLVM-GCC with srcdir == objdir, it + fails. Why?</a></p> +</div> + +<div class="answer"> +<p>The <tt>GNUmakefile</tt> in the top-level directory of LLVM-GCC is a special + <tt>Makefile</tt> used by Apple to invoke the <tt>build_gcc</tt> script after + setting up a special environment. This has the unforunate side-effect that + trying to build LLVM-GCC with srcdir == objdir in a "non-Apple way" invokes + the <tt>GNUmakefile</tt> instead of <tt>Makefile</tt>. Because the + environment isn't set up correctly to do this, the build fails.</p> + +<p>People not building LLVM-GCC the "Apple way" need to build LLVM-GCC with + srcdir != objdir, or simply remove the GNUmakefile entirely.</p> + +<p>We regret the inconvenience.</p> +</div> + <!-- *********************************************************************** --> <div class="doc_section"><a name="felangs">Source Languages</a></div> |