[PATCH] D99451: Use write_basic_package_version_file for LLVM

[Stephen Kelly via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG3001d080c813: [CMake] Use write_basic_package_version_file for LLVM (authored by alexreinking, committed by stephenkelly).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99451/new/

https://reviews.llvm.org/D99451

Files:
  llvm/cmake/modules/CMakeLists.txt
  llvm/cmake/modules/LLVMConfigVersion.cmake.in


Index: llvm/cmake/modules/LLVMConfigVersion.cmake.in
===================================================================
--- llvm/cmake/modules/LLVMConfigVersion.cmake.in
+++ /dev/null
@@ -1,13 +0,0 @@
-set(PACKAGE_VERSION "@PACKAGE_VERSION@")
-
-# LLVM is API-compatible only with matching major.minor versions
-# and patch versions not less than that requested.
-if("@LLVM_VERSION_MAJOR at .@LLVM_VERSION_MINOR@" VERSION_EQUAL
-    "${PACKAGE_FIND_VERSION_MAJOR}.${PACKAGE_FIND_VERSION_MINOR}"
-   AND NOT "@LLVM_VERSION_PATCH@" VERSION_LESS "${PACKAGE_FIND_VERSION_PATCH}")
-  set(PACKAGE_VERSION_COMPATIBLE 1)
-  if("@LLVM_VERSION_PATCH@" VERSION_EQUAL
-      "${PACKAGE_FIND_VERSION_PATCH}")
-    set(PACKAGE_VERSION_EXACT 1)
-  endif()
-endif()
Index: llvm/cmake/modules/CMakeLists.txt
===================================================================
--- llvm/cmake/modules/CMakeLists.txt
+++ llvm/cmake/modules/CMakeLists.txt
@@ -127,11 +127,13 @@
   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLVMConfig.cmake
   @ONLY)
 
-# Generate LLVMConfigVersion.cmake for build and install tree.
-configure_file(
-  LLVMConfigVersion.cmake.in
-  ${llvm_cmake_builddir}/LLVMConfigVersion.cmake
-  @ONLY)
+# Generate LLVMConfigVersion.cmake for build tree (later copied to install tree).
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+  "${llvm_cmake_builddir}/LLVMConfigVersion.cmake"
+  VERSION "${PACKAGE_VERSION}"
+  COMPATIBILITY SameMinorVersion
+)
 
 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
   get_property(llvm_has_exports GLOBAL PROPERTY LLVM_HAS_EXPORTS)


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