Add version to all LLVM cmake package

Add a version to non-LLVM cmake package so that users needing an exact
version match can use the version parameter to find_package. Also adjust
the find_package(LLVM) to use an exact version match as well.

Reviewed By: arsenm, stellaraccident, mceier

Differential Revision: https://reviews.llvm.org/D138274

clang/cmake/modules/CMakeLists.txt

@@ -32,6 +32,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfig.cmake.in
   ${clang_cmake_builddir}/ClangConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfigVersion.cmake.in
+  ${clang_cmake_builddir}/ClangConfigVersion.cmake
+  @ONLY)
 set(CLANG_CONFIG_CMAKE_DIR)
 set(CLANG_CONFIG_LLVM_CMAKE_DIR)
 
@@ -59,6 +63,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfig.cmake.in
   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/ClangConfigVersion.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfigVersion.cmake
+  @ONLY)
 set(CLANG_CONFIG_CODE)
 set(CLANG_CONFIG_CMAKE_DIR)
 
@@ -67,6 +75,7 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
 
   install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/ClangConfigVersion.cmake
     ${CMAKE_CURRENT_SOURCE_DIR}/AddClang.cmake
     DESTINATION ${CLANG_INSTALL_PACKAGE_DIR}
     COMPONENT clang-cmake-exports)

clang/cmake/modules/ClangConfig.cmake.in

@@ -2,7 +2,8 @@
 
 @CLANG_CONFIG_CODE@
 
-find_package(LLVM REQUIRED CONFIG
+set(LLVM_VERSION @LLVM_VERSION_MAJOR@.@LLVM_VERSION_MINOR@.@LLVM_VERSION_PATCH@)
+find_package(LLVM ${LLVM_VERSION} EXACT REQUIRED CONFIG
              HINTS "@CLANG_CONFIG_LLVM_CMAKE_DIR@")
 
 set(CLANG_EXPORTED_TARGETS "@CLANG_EXPORTS@")

clang/cmake/modules/ClangConfigVersion.cmake.in

@@ -0,0 +1,13 @@
+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@.@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()

flang/cmake/modules/CMakeLists.txt

@@ -28,8 +28,8 @@ set(FLANG_CONFIG_INCLUDE_DIRS
   "${FLANG_BINARY_DIR}/include"
   )
 configure_file(
-  ${CMAKE_CURRENT_SOURCE_DIR}/FlangConfig.cmake.in
-  ${flang_cmake_builddir}/FlangConfig.cmake
+  ${CMAKE_CURRENT_SOURCE_DIR}/FlangConfigVersion.cmake.in
+  ${flang_cmake_builddir}/FlangConfigVersion.cmake
   @ONLY)
 set(FLANG_CONFIG_CMAKE_DIR)
 set(FLANG_CONFIG_LLVM_CMAKE_DIR)
@@ -46,6 +46,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/FlangConfig.cmake.in
   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/FlangConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/FlangConfigVersion.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/FlangConfigVersion.cmake
+  @ONLY)
 
 set(FLANG_CONFIG_CODE)
 set(FLANG_CONFIG_CMAKE_DIR)
@@ -56,6 +60,7 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
 
   install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/FlangConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/FlangConfigVersion.cmake
     DESTINATION ${FLANG_INSTALL_PACKAGE_DIR}
     COMPONENT flang-cmake-exports)
 

flang/cmake/modules/FlangConfig.cmake.in

@@ -2,7 +2,8 @@
 
 @FLANG_CONFIG_CODE@
 
-find_package(LLVM REQUIRED CONFIG
+set(LLVM_VERSION @LLVM_VERSION_MAJOR@.@LLVM_VERSION_MINOR@.@LLVM_VERSION_PATCH@)
+find_package(LLVM ${LLVM_VERSION} EXACT REQUIRED CONFIG
              HINTS "@FLANG_CONFIG_LLVM_CMAKE_DIR@")
 
 set(FLANG_EXPORTED_TARGETS "@FLANG_EXPORTS@")

flang/cmake/modules/FlangConfigVersion.cmake.in

@@ -0,0 +1,13 @@
+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@.@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()

lld/cmake/modules/CMakeLists.txt

@@ -31,6 +31,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/LLDConfig.cmake.in
   ${lld_cmake_builddir}/LLDConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/LLDConfigVersion.cmake.in
+  ${lld_cmake_builddir}/LLDConfigVersion.cmake
+  @ONLY)
 set(LLD_CONFIG_CMAKE_DIR)
 set(LLD_CONFIG_LLVM_CMAKE_DIR)
 
@@ -44,6 +48,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/LLDConfig.cmake.in
   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLDConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/LLDConfigVersion.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLDConfigVersion.cmake
+  @ONLY)
 set(LLD_CONFIG_CODE)
 set(LLD_CONFIG_CMAKE_DIR)
 
@@ -52,6 +60,7 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
 
   install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLDConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLDConfigVersion.cmake
     DESTINATION ${LLD_INSTALL_PACKAGE_DIR}
     COMPONENT lld-cmake-exports)
 

lld/cmake/modules/LLDConfig.cmake.in

@@ -2,7 +2,8 @@
 
 @LLD_CONFIG_CODE@
 
-find_package(LLVM REQUIRED CONFIG
+set(LLVM_VERSION @LLVM_VERSION_MAJOR@.@LLVM_VERSION_MINOR@.@LLVM_VERSION_PATCH@)
+find_package(LLVM ${LLVM_VERSION} EXACT REQUIRED CONFIG
              HINTS "@LLD_CONFIG_LLVM_CMAKE_DIR@")
 
 set(LLD_EXPORTED_TARGETS "@LLD_EXPORTS@")

lld/cmake/modules/LLDConfigVersion.cmake.in

@@ -0,0 +1,13 @@
+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@.@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()

mlir/cmake/modules/CMakeLists.txt

@@ -41,6 +41,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/MLIRConfig.cmake.in
   ${mlir_cmake_builddir}/MLIRConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/MLIRConfigVersion.cmake.in
+  ${mlir_cmake_builddir}/MLIRConfigVersion.cmake
+  @ONLY)
 set(MLIR_CONFIG_CMAKE_DIR)
 set(MLIR_CONFIG_LLVM_CMAKE_DIR)
 set(MLIR_CONFIG_INCLUDE_DIRS)
@@ -75,6 +79,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/MLIRConfig.cmake.in
   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/MLIRConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/MLIRConfigVersion.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/MLIRConfigVersion.cmake
+  @ONLY)
 set(MLIR_CONFIG_CODE)
 set(MLIR_CONFIG_CMAKE_DIR)
 set(MLIR_CONFIG_LLVM_CMAKE_DIR)
@@ -87,6 +95,7 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
 
   install(FILES
     ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/MLIRConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/MLIRConfigVersion.cmake
     ${CMAKE_CURRENT_SOURCE_DIR}/AddMLIR.cmake
     ${CMAKE_CURRENT_SOURCE_DIR}/AddMLIRPython.cmake
     ${CMAKE_CURRENT_SOURCE_DIR}/MLIRDetectPythonEnv.cmake

mlir/cmake/modules/MLIRConfig.cmake.in

@@ -2,7 +2,8 @@
 
 @MLIR_CONFIG_CODE@
 
-find_package(LLVM REQUIRED CONFIG
+set(LLVM_VERSION @LLVM_VERSION_MAJOR@.@LLVM_VERSION_MINOR@.@LLVM_VERSION_PATCH@)
+find_package(LLVM ${LLVM_VERSION} EXACT REQUIRED CONFIG
              HINTS "@MLIR_CONFIG_LLVM_CMAKE_DIR@")
 
 set(MLIR_EXPORTED_TARGETS "@MLIR_EXPORTS@")

mlir/cmake/modules/MLIRConfigVersion.cmake.in

@@ -0,0 +1,13 @@
+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@.@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()

polly/cmake/CMakeLists.txt

@@ -82,6 +82,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/PollyConfig.cmake.in
   ${polly_cmake_builddir}/PollyConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/PollyConfigVersion.cmake.in
+  ${polly_cmake_builddir}/PollyConfigVersion.cmake
+  @ONLY)
 
 file(GENERATE
   OUTPUT ${polly_cmake_builddir}/${POLLY_EXPORTS_FILE_NAME}
@@ -138,6 +142,10 @@ configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/PollyConfig.cmake.in
   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/PollyConfig.cmake
   @ONLY)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/PollyConfigVersion.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/PollyConfigVersion.cmake
+  @ONLY)
 file(GENERATE OUTPUT
   ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${POLLY_EXPORTS_FILE_NAME}
   CONTENT "${POLLY_EXPORTS}")
@@ -146,6 +154,7 @@ if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
   install(
     FILES
     "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/PollyConfig.cmake"
+    "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/PollyConfigVersion.cmake"
     "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${POLLY_EXPORTS_FILE_NAME}"
     DESTINATION "${POLLY_INSTALL_PACKAGE_DIR}")
 endif ()

polly/cmake/PollyConfig.cmake.in

@@ -2,7 +2,8 @@
 
 @POLLY_CONFIG_CODE@
 
-find_package(LLVM REQUIRED CONFIG
+set(LLVM_VERSION @LLVM_VERSION_MAJOR@.@LLVM_VERSION_MINOR@.@LLVM_VERSION_PATCH@)
+find_package(LLVM ${LLVM_VERSION} EXACT REQUIRED CONFIG
              HINTS "@POLLY_CONFIG_LLVM_CMAKE_DIR@")
 
 set(Polly_CMAKE_DIR ${CMAKE_CURRENT_LIST_DIR})

polly/cmake/PollyConfigVersion.cmake.in

@@ -0,0 +1,13 @@
+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@.@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()