Move LLVM_SHLIB_SYMBOL_VERSION to llvm-ver.make

Also, when `USE_SYSTEM_LLVM=1` compute `LLVM_SHLIB_SYMBOL_VERSION` using
`llvm-config`

Author: topolarity

deps/llvm-ver.make

@@ -17,3 +17,4 @@ 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-$(LLVM_SHARED_LIB_VER_SUFFIX)
+LLVM_SHLIB_SYMBOL_VERSION := JL_LLVM_$(LLVM_VER_MAJ).$(LLVM_VER_MIN)

src/Makefile

@@ -119,6 +119,9 @@ ifeq ($(JULIACODEGEN),LLVM)
 ifneq ($(USE_SYSTEM_LLVM),0)
 # USE_SYSTEM_LLVM != 0
 CG_LLVMLINK += $(LLVM_LDFLAGS) $(shell $(LLVM_CONFIG_HOST) --libs --system-libs)
+LLVM_SHLIB_SYMBOL_VERSION := $(shell nm -D --with-symbol-versions $(shell $(LLVM_CONFIG_HOST) --libfiles --link-shared | awk '{print $1; exit}') | \
+                               grep _ZN4llvm3Any6TypeId | head -n 1 | sed -e 's/.*@//')
+
 # HACK: llvm-config doesn't correctly point to shared libs on all platforms
 #       https://github.com/JuliaLang/julia/issues/29981
 else
@@ -366,7 +369,8 @@ $(BUILDDIR)/julia_version.h: $(JULIAHOME)/VERSION
 CXXLD = $(CXX) -shared
 
 $(BUILDDIR)/julia.expmap: $(SRCDIR)/julia.expmap.in
-	sed <'$<' >'$@' -e 's/@JULIA_SHLIB_SYMBOL_VERSION@/JL_LIBJULIA_$(SOMAJOR)/'
+	sed <'$<' >'$@' -e "s/@JULIA_SHLIB_SYMBOL_VERSION@/JL_LIBJULIA_$(SOMAJOR)/" \
+		        -e "s/@LLVM_SHLIB_SYMBOL_VERSION@/$(LLVM_SHLIB_SYMBOL_VERSION)/"
 
 $(build_shlibdir)/libjulia-internal.$(JL_MAJOR_MINOR_SHLIB_EXT): $(BUILDDIR)/julia.expmap $(OBJS) $(BUILDDIR)/flisp/libflisp.a $(BUILDDIR)/support/libsupport.a $(LIBUV)
 	@$(call PRINT_LINK, $(CXXLD) $(call IMPLIB_FLAGS,$@) $(JCXXFLAGS) $(JL_CXXFLAGS) $(CXXLDFLAGS) $(SHIPFLAGS) $(OBJS) $(RPATH_LIB) -o $@ \

src/julia.expmap.in

@@ -43,7 +43,7 @@
     *;
 };
 
-JL_LLVM_15.0 {
+@LLVM_SHLIB_SYMBOL_VERSION@ {
   global:
     /* Make visible so that linker will merge duplicate definitions across DSO boundaries */
     _ZN4llvm3Any6TypeId*;