Don't hardcode LLVM version number (#49051)

Author: vchuravy

base/Makefile

@@ -3,6 +3,9 @@ BUILDDIR := .
 JULIAHOME := $(abspath $(SRCDIR)/..)
 include $(JULIAHOME)/Make.inc
 
+# import LLVM_SHARED_LIB_NAME
+include $(JULIAHOME)/deps/llvm-ver.make
+
 TAGGED_RELEASE_BANNER := ""
 
 all: $(addprefix $(BUILDDIR)/,pcre_h.jl errno_h.jl build_h.jl.phony features_h.jl file_constants.jl uv_constants.jl version_git.jl.phony)
@@ -57,6 +60,7 @@ else
 	@echo "const USE_GPL_LIBS = false" >> $@
 endif
 	@echo "const libllvm_version_string = \"$$($(LLVM_CONFIG_HOST) --version)\"" >> $@
+	@echo "const libllvm_name = \"$(LLVM_SHARED_LIB_NAME)\"" >> $@
 	@echo "const VERSION_STRING = \"$(JULIA_VERSION)\"" >> $@
 	@echo "const TAGGED_RELEASE_BANNER = \"$(TAGGED_RELEASE_BANNER)\"" >> $@
 ifeq ($(OS),WINNT)

base/binaryplatforms.jl

@@ -904,7 +904,7 @@ function detect_cxxstring_abi()
     end
 
     function open_libllvm(f::Function)
-        for lib_name in ("libLLVM-14jl", "libLLVM", "LLVM", "libLLVMSupport")
+        for lib_name in (Base.libllvm_name, "libLLVM", "LLVM", "libLLVMSupport")
             hdl = Libdl.dlopen_e(lib_name)
             if hdl != C_NULL
                 try

stdlib/libLLVM_jll/src/libLLVM_jll.jl

@@ -19,11 +19,11 @@ libLLVM_handle = C_NULL
 libLLVM_path = ""
 
 if Sys.iswindows()
-    const libLLVM = "libLLVM-14jl.dll"
+    const libLLVM = "$(Base.libllvm_name).dll"
 elseif Sys.isapple()
     const libLLVM = "@rpath/libLLVM.dylib"
 else
-    const libLLVM = "libLLVM-14jl.so"
+    const libLLVM = "$(Base.libllvm_name).so"
 end
 
 function __init__()