Fix static LLVM linking (#225)

Makefile

@@ -32,6 +32,7 @@ endif
 
 LLVM_VERSION ?=
 LLVM_CONFIG_PATH ?=
+LLVM_SHARED ?= ON
 CMAKE_PREFIX ?=
 CMAKE_CXX_FLAGS ?=
 CMAKE_EXE_LINKER_FLAGS ?=
@@ -60,6 +61,7 @@ debug/CMakeLists.txt:
 		-DCMAKE_EXE_LINKER_FLAGS="$(CMAKE_EXE_LINKER_FLAGS)" \
 		-DLLVM_VERSION=${LLVM_VERSION} \
 		-DLLVM_CONFIG_PATH=${LLVM_CONFIG_PATH} \
+		-DLINK_LLVM_SHARED=${LLVM_SHARED} \
 		-DCMAKE_PREFIX=${CMAKE_PREFIX} \
 		-DENABLE_CXX_MODULES_TEST_CASES=$(ENABLE_CXX_MODULES_TEST_CASES)
 
@@ -73,6 +75,7 @@ release/CMakeLists.txt:
 		-DCMAKE_EXE_LINKER_FLAGS="$(CMAKE_EXE_LINKER_FLAGS)" \
 		-DLLVM_VERSION=${LLVM_VERSION} \
 		-DLLVM_CONFIG_PATH=${LLVM_CONFIG_PATH} \
+		-DLINK_LLVM_SHARED=${LLVM_SHARED} \
 		-DCMAKE_PREFIX=${CMAKE_PREFIX} \
 		-DENABLE_CXX_MODULES_TEST_CASES=$(ENABLE_CXX_MODULES_TEST_CASES)
 
@@ -87,6 +90,7 @@ debug_tidy/CMakeLists.txt:
 		-DCMAKE_EXE_LINKER_FLAGS="$(CMAKE_EXE_LINKER_FLAGS)" \
 		-DLLVM_VERSION=${LLVM_VERSION} \
 		-DLLVM_CONFIG_PATH=${LLVM_CONFIG_PATH} \
+		-DLINK_LLVM_SHARED=${LLVM_SHARED} \
 		-DCMAKE_PREFIX=${CMAKE_PREFIX} \
 		-DENABLE_CXX_MODULES_TEST_CASES=$(ENABLE_CXX_MODULES_TEST_CASES)
 

cmake/LLVMSetup.cmake

@@ -67,18 +67,16 @@ else(LINK_LLVM_SHARED)
             LLVMBitReader
             LLVMCore
             LLVMSupport)
-    if(MSVC)
-        if(${LLVM_PACKAGE_VERSION} VERSION_LESS "15.0")
-            list(REMOVE_ITEM LIBTOOLING_LIBS clangSupport)
-        else()
-            list(APPEND LIBTOOLING_LIBS
-                    LLVMWindowsDriver
-                    LLVMWindowsManifest)
-        endif()
-        if(${LLVM_PACKAGE_VERSION} VERSION_GREATER_EQUAL "17.0")
-            list(APPEND LIBTOOLING_LIBS clangASTMatchers)
-        endif()
-    endif(MSVC)
+    if(${LLVM_PACKAGE_VERSION} VERSION_LESS "15.0")
+        list(REMOVE_ITEM LIBTOOLING_LIBS clangSupport)
+    else()
+        list(APPEND LIBTOOLING_LIBS
+                LLVMWindowsDriver
+                LLVMWindowsManifest)
+    endif()
+    if(${LLVM_PACKAGE_VERSION} VERSION_GREATER_EQUAL "16.0")
+        list(APPEND LIBTOOLING_LIBS clangASTMatchers)
+    endif()
 endif(LINK_LLVM_SHARED)
 
 if("${LIBTOOLING_LIBS}" STREQUAL "")

docs/installation.md

@@ -84,6 +84,8 @@ LLVM_CONFIG_PATH=/usr/bin/llvm-config-16 make release
 # or directly specify the path where LLVMConfig.cmake can be found on your system, e.g.:
 CMAKE_PREFIX=/usr/lib/llvm-16/lib/cmake/llvm make release
 
+# By default clang-uml is linked against shared LLVM libraries, this can be changed using:
+LLVM_SHARED=OFF LLVM_VERSION=16 make release
 
 # Optionally, to install in default prefix
 make install