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79 lines
2.4 KiB
Diff
79 lines
2.4 KiB
Diff
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From 548cd5eb4f45de4ec71b3421a98c9462aed75c91 Mon Sep 17 00:00:00 2001
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From: Eric Fiselier <eric@efcs.ca>
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Date: Fri, 10 Feb 2017 01:59:20 +0000
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Subject: [PATCH] [CMake] Fix pthread handling for out-of-tree builds
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LLVM defines `PTHREAD_LIB` which is used by AddLLVM.cmake and various projects
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to correctly link the threading library when needed. Unfortunately
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`PTHREAD_LIB` is defined by LLVM's `config-ix.cmake` file which isn't installed
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and therefore can't be used when configuring out-of-tree builds. This causes
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such builds to fail since `pthread` isn't being correctly linked.
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This patch attempts to fix that problem by renaming and exporting
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`LLVM_PTHREAD_LIB` as part of`LLVMConfig.cmake`. I renamed `PTHREAD_LIB`
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because It seemed likely to cause collisions with downstream users of
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`LLVMConfig.cmake`.
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git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@294690 91177308-0d34-0410-b5e6-96231b3b80d8
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---
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COFF/CMakeLists.txt | 2 +-
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ELF/CMakeLists.txt | 2 +-
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lib/ReaderWriter/MachO/CMakeLists.txt | 2 +-
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unittests/CoreTests/CMakeLists.txt | 2 +-
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4 files changed, 4 insertions(+), 4 deletions(-)
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diff --git a/COFF/CMakeLists.txt b/COFF/CMakeLists.txt
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index 0eebe9348..8f24e36c0 100644
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--- a/COFF/CMakeLists.txt
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+++ b/COFF/CMakeLists.txt
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@@ -43,7 +43,7 @@ add_lld_library(lldCOFF
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LINK_LIBS
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lldCore
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- ${PTHREAD_LIB}
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+ ${LLVM_PTHREAD_LIB}
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DEPENDS
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COFFOptionsTableGen
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diff --git a/ELF/CMakeLists.txt b/ELF/CMakeLists.txt
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index 5652b9351..0d1e5b214 100644
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--- a/ELF/CMakeLists.txt
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+++ b/ELF/CMakeLists.txt
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@@ -54,7 +54,7 @@ add_lld_library(lldELF
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LINK_LIBS
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lldConfig
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lldCore
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- ${PTHREAD_LIB}
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+ ${LLVM_PTHREAD_LIB}
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DEPENDS
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ELFOptionsTableGen
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diff --git a/lib/ReaderWriter/MachO/CMakeLists.txt b/lib/ReaderWriter/MachO/CMakeLists.txt
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index 3b0698525..5a96d87f1 100644
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--- a/lib/ReaderWriter/MachO/CMakeLists.txt
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+++ b/lib/ReaderWriter/MachO/CMakeLists.txt
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@@ -28,7 +28,7 @@ add_lld_library(lldMachO
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LINK_LIBS
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lldCore
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lldYAML
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- ${PTHREAD_LIB}
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+ ${LLVM_PTHREAD_LIB}
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)
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include_directories(.)
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diff --git a/unittests/CoreTests/CMakeLists.txt b/unittests/CoreTests/CMakeLists.txt
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index 98405d5c7..72e7c443f 100644
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--- a/unittests/CoreTests/CMakeLists.txt
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+++ b/unittests/CoreTests/CMakeLists.txt
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@@ -3,5 +3,5 @@ add_lld_unittest(CoreTests
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)
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target_link_libraries(CoreTests
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- ${PTHREAD_LIB}
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+ ${LLVM_PTHREAD_LIB}
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)
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--
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2.12.2
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