don't use hardcode LLVM_SHARED_LIB_NAME (JuliaLang#45908)

Hand edited changes to deps/llvm.version and deps/Versions.make
Moved LLVM_VER from Versions.make to llvm.version by Tim S.

(cherry picked from commit eb72c2a)

Makefile

@@ -1,5 +1,7 @@
 JULIAHOME := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
 include $(JULIAHOME)/Make.inc
+# import LLVM_SHARED_LIB_NAME
+include $(JULIAHOME)/deps/llvm-ver.make
 
 VERSDIR := v`cut -d. -f1-2 < $(JULIAHOME)/VERSION`
 
@@ -190,7 +192,7 @@ else
 JL_PRIVATE_LIBS-$(USE_SYSTEM_ZLIB) += libz
 endif
 ifeq ($(USE_LLVM_SHLIB),1)
-JL_PRIVATE_LIBS-$(USE_SYSTEM_LLVM) += libLLVM libLLVM-13jl
+JL_PRIVATE_LIBS-$(USE_SYSTEM_LLVM) += libLLVM $(LLVM_SHARED_LIB_NAME)
 endif
 JL_PRIVATE_LIBS-$(USE_SYSTEM_LIBUNWIND) += libunwind
 

deps/Versions.make

@@ -44,7 +44,6 @@ LIBUV_VER := 2
 LIBUV_JLL_NAME := LibUV
 
 # LLVM
-LLVM_VER := 13.0.1
 LLVM_ASSERT_JLL_VER := 13.0.1+3
 LLVM_JLL_NAME := libLLVM
 

deps/llvm-ver.make

@@ -1,3 +1,5 @@
+include $(JULIAHOME)/deps/llvm.version
+
 LLVM_VER_MAJ:=$(word 1, $(subst ., ,$(LLVM_VER)))
 LLVM_VER_MIN:=$(word 2, $(subst ., ,$(LLVM_VER)))
 # define a "short" LLVM version for easy comparisons
@@ -10,3 +12,8 @@ LLVM_VER_PATCH:=$(word 3, $(subst ., ,$(LLVM_VER)))
 ifeq ($(LLVM_VER_PATCH),)
 LLVM_VER_PATCH := 0
 endif
+
+LLVM_SHARED_LIB_VER_SUFFIX := $(LLVM_VER_MAJ)jl
+# e.g.: "libLLVM-14jl"
+LLVM_SHARED_LIB_NAME := libLLVM-$(LLVM_SHARED_LIB_VER_SUFFIX)
+LLVM_SHARED_LINK_FLAG := -lLLVM-$(LLVM_SHARED_LIB_VER_SUFFIX)

deps/llvm.mk

@@ -198,7 +198,7 @@ LLVM_CMAKE += -DCMAKE_EXE_LINKER_FLAGS="$(LLVM_LDFLAGS)" \
  -DCMAKE_SHARED_LINKER_FLAGS="$(LLVM_LDFLAGS)"
 
 # change the SONAME of Julia's private LLVM
-# i.e. libLLVM-6.0jl.so
+# i.e. libLLVM-14jl.so
 # see #32462
 LLVM_CMAKE += -DLLVM_VERSION_SUFFIX:STRING="jl"
 LLVM_CMAKE += -DLLVM_SHLIB_SYMBOL_VERSION:STRING="JL_LLVM_$(LLVM_VER_SHORT)"
@@ -255,10 +255,10 @@ endif
 
 LLVM_INSTALL = \
  cd $1 && mkdir -p $2$$(build_depsbindir) && \
- cp -r $$(SRCCACHE)/$$(LLVM_SRC_DIR)/llvm/utils/lit $2$$(build_depsbindir)/ && \
- $$(CMAKE) -DCMAKE_INSTALL_PREFIX="$2$$(build_prefix)" -P cmake_install.cmake
+ cp -r $$(SRCCACHE)/$$(LLVM_SRC_DIR)/llvm/utils/lit $2$$(build_depsbindir)/ && \
+ $$(CMAKE) -DCMAKE_INSTALL_PREFIX="$2$$(build_prefix)" -P cmake_install.cmake
 ifeq ($(OS), WINNT)
-LLVM_INSTALL += && cp $2$$(build_shlibdir)/libLLVM.dll $2$$(build_depsbindir)
+LLVM_INSTALL += && cp $2$$(build_shlibdir)/$(LLVM_SHARED_LIB_NAME).dll $2$$(build_depsbindir)
 endif
 ifeq ($(OS),Darwin)
 # https://github.com/JuliaLang/julia/issues/29981

deps/llvm.version

@@ -1,2 +1,4 @@
+## source build
+LLVM_VER := 13.0.1
 LLVM_BRANCH=julia-13.0.1-3
 LLVM_SHA1=julia-13.0.1-3

src/Makefile

@@ -122,24 +122,29 @@ endif
 
 ifeq ($(JULIACODEGEN),LLVM)
 ifneq ($(USE_SYSTEM_LLVM),0)
+# USE_SYSTEM_LLVM != 0
 CG_LLVMLINK += $(LLVM_LDFLAGS) $(shell $(LLVM_CONFIG_HOST) --libs --system-libs)
 # HACK: llvm-config doesn't correctly point to shared libs on all platforms
 # https://github.com/JuliaLang/julia/issues/29981
 else
+# USE_SYSTEM_LLVM == 0
 ifneq ($(USE_LLVM_SHLIB),1)
+# USE_LLVM_SHLIB != 1
 CG_LLVMLINK += $(LLVM_LDFLAGS) $(shell $(LLVM_CONFIG_HOST) --libs $(CG_LLVM_LIBS) --link-static) $($(LLVM_LDFLAGS) $(shell $(LLVM_CONFIG_HOST) --system-libs 2> /dev/null)
 else
+# USE_LLVM_SHLIB == 1
 ifeq ($(OS), Darwin)
 CG_LLVMLINK += $(LLVM_LDFLAGS) -lLLVM
 else
-CG_LLVMLINK += $(LLVM_LDFLAGS) -lLLVM-13jl
-endif
-endif
-endif
+CG_LLVMLINK += $(LLVM_LDFLAGS) $(LLVM_SHARED_LINK_FLAG)
+endif # OS
+endif # USE_LLVM_SHLIB
+endif # USE_SYSTEM_LLVM
+
 ifeq ($(USE_LLVM_SHLIB),1)
 FLAGS += -DLLVM_SHLIB
 endif # USE_LLVM_SHLIB == 1
-endif
+endif # JULIACODEGEN == LLVM
 
 RT_LLVM_LINK_ARGS := $(shell $(LLVM_CONFIG_HOST) --libs $(RT_LLVM_LIBS) --system-libs --link-static)
 RT_LLVMLINK += $(LLVM_LDFLAGS) $(RT_LLVM_LINK_ARGS)