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config.h: fix layering and don't duplicate definitions

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Also correct the llvm-config.h header guard so it doesn't depend on 'CONFIG_H'
which is commonly defined in external projects and caused trouble for
embedders.

In future llvm/Config/llvm-config.h will be installed, but not
the private llvm/Config/config.h header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210144 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alp Toker
2014-06-04 03:21:38 +00:00
parent 5c0b13f3be
commit 4830b9c727
4 changed files with 25 additions and 176 deletions
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14
include/llvm/Config/llvm-config.h.in
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@@ -1,4 +1,4 @@
/*===-- llvm/config/llvm-config.h - llvm configure variable -------*- C -*-===*/
/*===------- llvm/Config/llvm-config.h - llvm configuration -------*- C -*-===*/
/* */
/* The LLVM Compiler Infrastructure */
/* */
@@ -7,14 +7,12 @@
/* */
/*===----------------------------------------------------------------------===*/
/* This file enumerates all of the llvm variables from configure so that
they can be in exported headers and won't override package specific
directives. This is a C file so we can include it in the llvm-c headers. */
/* This file enumerates variables from the LLVM configuration so that they
can be in exported headers and won't override package specific directives.
This is a C header that can be included in the llvm-c headers. */
/* To avoid multiple inclusions of these variables when we include the exported
headers and config.h, conditionally include these. */
/* TODO: This is a bit of a hack. */
#ifndef CONFIG_H
#ifndef LLVM_CONFIG_H
#define LLVM_CONFIG_H
/* Installation directory for binary executables */
#undef LLVM_BINDIR