llvm/0001-CMake-Split-static-library-exports-into-their-own-ex.patch

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From 80d3393d3e324dd8bef7de1b9c6db3010585f3e8 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar@redhat.com>
Date: Sat, 29 Apr 2017 02:03:23 +0000
Subject: [PATCH] CMake: Split static library exports into their own export
file
Summary:
This is to better support distros which split the static libraries into
their own package.
The current problem is that any project the includes LLVMConfig.cmake
will fail to configure unless the static libraries are installed. This
is because LLVMConfig.cmake includes LLVMExports.cmake, which throws an
error if it can't find files linked to one of the exported targets.
This patch resolves the problem by putting the static library targets
into their own export file, LLVMStaticExports.cmake. This file
is optionally included by LLVMConfig.cmake, so distros can put this
new file in their static library package to make LLVMConfig.cmake
no longer depend on these libraries when they are not installed.
Reviewers: beanz, mgorny, chapuni
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D32668
---
cmake/modules/AddLLVM.cmake | 6 +++++-
cmake/modules/CMakeLists.txt | 3 +++
cmake/modules/LLVMConfig.cmake.in | 2 ++
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
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index 1c92265..e1ad9b9 100644
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
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@@ -603,7 +603,11 @@ macro(add_llvm_library name)
if(${name} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR
NOT LLVM_DISTRIBUTION_COMPONENTS)
- set(export_to_llvmexports EXPORT LLVMExports)
+ if (ARG_SHARED)
+ set(export_to_llvmexports EXPORT LLVMExports)
+ else()
+ set(export_to_llvmexports EXPORT LLVMStaticExports)
+ endif()
set_property(GLOBAL PROPERTY LLVM_HAS_EXPORTS True)
endif()
diff --git a/cmake/modules/CMakeLists.txt b/cmake/modules/CMakeLists.txt
index ac4b0b7..f77c905 100644
--- a/cmake/modules/CMakeLists.txt
+++ b/cmake/modules/CMakeLists.txt
@@ -91,6 +91,7 @@ set(LLVM_CONFIG_BINARY_DIR "\${LLVM_INSTALL_PREFIX}")
set(LLVM_CONFIG_TOOLS_BINARY_DIR "\${LLVM_INSTALL_PREFIX}/bin")
set(LLVM_CONFIG_EXPORTS_FILE "\${LLVM_CMAKE_DIR}/LLVMExports.cmake")
set(LLVM_CONFIG_EXPORTS "${LLVM_EXPORTS}")
+set(LLVM_CONFIG_STATIC_EXPORTS_FILE "\${LLVM_CMAKE_DIR}/LLVMStaticExports.cmake")
configure_file(
LLVMConfig.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLVMConfig.cmake
@@ -107,6 +108,8 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
if(llvm_has_exports)
install(EXPORT LLVMExports DESTINATION ${LLVM_INSTALL_PACKAGE_DIR}
COMPONENT cmake-exports)
+ install(EXPORT LLVMStaticExports DESTINATION ${LLVM_INSTALL_PACKAGE_DIR}
+ COMPONENT cmake-exports)
endif()
install(FILES
diff --git a/cmake/modules/LLVMConfig.cmake.in b/cmake/modules/LLVMConfig.cmake.in
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index 7a8eb36..1fa0028 100644
--- a/cmake/modules/LLVMConfig.cmake.in
+++ b/cmake/modules/LLVMConfig.cmake.in
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@@ -77,6 +77,8 @@ if(NOT TARGET LLVMSupport)
set(LLVM_EXPORTED_TARGETS "@LLVM_CONFIG_EXPORTS@")
include("@LLVM_CONFIG_EXPORTS_FILE@")
@llvm_config_include_buildtree_only_exports@
+
+ include("@LLVM_CONFIG_STATIC_EXPORTS_FILE@" OPTIONAL)
endif()
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set_property(GLOBAL PROPERTY LLVM_TARGETS_CONFIGURED On)
--
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1.8.3.1