From 3a210e2d302758101ac06946e86027b327c7d0f3 Mon Sep 17 00:00:00 2001
From: "Michael J. Spencer" <bigcheesegs@gmail.com>
Date: Mon, 13 Sep 2010 23:59:48 +0000
Subject: Revert "CMake: Get rid of LLVMLibDeps.cmake and export the libraries
 normally."

This reverts commit r113632

Conflicts:

	cmake/modules/AddLLVM.cmake

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113819 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/llvm-config/CMakeLists.txt | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'tools/llvm-config')

diff --git a/tools/llvm-config/CMakeLists.txt b/tools/llvm-config/CMakeLists.txt
index 8887a64..663cae5 100644
--- a/tools/llvm-config/CMakeLists.txt
+++ b/tools/llvm-config/CMakeLists.txt
@@ -110,6 +110,10 @@ add_custom_target(llvm-config.target ALL
 
 add_dependencies(llvm-config.target ${llvm_lib_targets})
 
+# Make sure that llvm-config builds before the llvm tools, so we have
+# LibDeps.txt and can use it for updating the hard-coded library
+# dependencies on cmake/modules/LLVMLibDeps.cmake when the tools'
+# build fail due to outdated dependencies:
 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} llvm-config.target)
 
 install(FILES ${LLVM_CONFIG}
@@ -118,4 +122,25 @@ install(FILES ${LLVM_CONFIG}
   DESTINATION bin)
 
 
+# Regeneration of library dependencies.
+
+# See the comments at the end of cmake/modules/LLVMConfig.cmake for
+# notes and guidelines.
+
+set(LLVMLibDeps ${LLVM_MAIN_SRC_DIR}/cmake/modules/LLVMLibDeps.cmake)
+set(LLVMLibDeps_TMP ${CMAKE_CURRENT_BINARY_DIR}/LLVMLibDeps.cmake.tmp)
+
+add_custom_command(OUTPUT ${LLVMLibDeps_TMP}
+  COMMAND sed -e s'@\\.a@@g' -e s'@\\.so@@g' -e 's@libLLVM@LLVM@g' -e 's@: @ @' -e 's@\\\(.*\\\)@set\(MSVC_LIB_DEPS_\\1\)@' ${FINAL_LIBDEPS} > ${LLVMLibDeps_TMP}
+  COMMAND ${CMAKE_COMMAND} -E copy_if_different ${LLVMLibDeps_TMP} ${LLVMLibDeps}
+  DEPENDS ${FINAL_LIBDEPS}
+  COMMENT "Updating cmake library dependencies file ${LLVMLibDeps}"
+  )
+
+if( LLVM_TARGETS_TO_BUILD STREQUAL LLVM_ALL_TARGETS )
+  add_custom_target(llvmlibdeps.target ALL DEPENDS ${LLVMLibDeps_TMP})
+  add_dependencies(llvmlibdeps.target llvm-config.target)
+  set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} llvmlibdeps.target)
+endif()
+
 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
-- 
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