[pkg-d-commits] [ldc] 17/149: CMake: add version check to findLLVM (#1940)

[Matthias Klumpp]

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mak pushed a commit to annotated tag v1.2.0
in repository ldc.

commit 0e34826757bf6b0551db6c44501928148f898efe
Author: Johan Engelen <jbc.engelen at gmail.com>
Date:   Thu Dec 22 18:09:56 2016 +0100

    CMake: add version check to findLLVM (#1940)
---
 cmake/Modules/FindLLVM.cmake | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/cmake/Modules/FindLLVM.cmake b/cmake/Modules/FindLLVM.cmake
index 2b322f1..73a8dd2 100644
--- a/cmake/Modules/FindLLVM.cmake
+++ b/cmake/Modules/FindLLVM.cmake
@@ -34,10 +34,7 @@ set(llvm_config_names llvm-config-4.1 llvm-config41
                       llvm-config-3.7 llvm-config37
                       llvm-config-3.6 llvm-config36
                       llvm-config-3.5 llvm-config35
-                      llvm-config-3.4 llvm-config34
-                      llvm-config-3.3 llvm-config33
-                      llvm-config-3.2 llvm-config32
-                      llvm-config-3.1 llvm-config31 llvm-config)
+                      llvm-config)
 find_program(LLVM_CONFIG
     NAMES ${llvm_config_names}
     PATHS ${LLVM_ROOT_DIR}/bin NO_DEFAULT_PATH
@@ -138,7 +135,7 @@ if ((WIN32 AND NOT(MINGW OR CYGWIN)) OR NOT LLVM_CONFIG)
         string(REPLACE ";" " " LLVM_CXXFLAGS "${LLVM_CXXFLAGS}")
     else()
         if (NOT LLVM_FIND_QUIETLY)
-            message(WARNING "Could not find llvm-config. Try manually setting LLVM_CONFIG to the llvm-config executable of the installation to use.")
+            message(WARNING "Could not find llvm-config (LLVM >= ${LLVM_FIND_VERSION}). Try manually setting LLVM_CONFIG to the llvm-config executable of the installation to use.")
         endif()
     endif()
 else()
@@ -245,6 +242,10 @@ endif()
 string(REGEX REPLACE "([0-9]+).*" "\\1" LLVM_VERSION_MAJOR "${LLVM_VERSION_STRING}" )
 string(REGEX REPLACE "[0-9]+\\.([0-9]+).*[A-Za-z]*" "\\1" LLVM_VERSION_MINOR "${LLVM_VERSION_STRING}" )
 
+if (${LLVM_VERSION_STRING} VERSION_LESS ${LLVM_FIND_VERSION})
+    message(FATAL_ERROR "Unsupported LLVM version found ${LLVM_VERSION_STRING}. At least version ${LLVM_FIND_VERSION} is required.")
+endif()
+
 # Use the default CMake facilities for handling QUIET/REQUIRED.
 include(FindPackageHandleStandardArgs)
 

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