warn on old llvm
MODIFY
llvm_mode/GNUmakefile
llvm_mode/GNUmakefile
@@ -57,13 +57,22 @@ ifeq "$(LLVM_UNSUPPORTED)" "1"
$(warning llvm_mode only supports llvm versions 3.4 up to 12)
endif
+LLVM_TOO_OLD=1
+
ifeq "$(LLVM_MAJOR)" "9"
$(info [+] llvm_mode detected llvm 9, enabling neverZero implementation)
+ LLVM_TOO_OLD=0
endif
ifeq "$(LLVM_NEW_API)" "1"
$(info [+] llvm_mode detected llvm 10+, enabling neverZero implementation and c++14)
LLVM_STDCXX = c++14
+ LLVM_TOO_OLD=0
+endif
+
+ifeq "$(LLVM_TOO_OLD)" "1"
+ $(info [!] llvm_mode detected an old version of llvm, upgrade to at least 9 or preferable 11!)
+ $(shell sleep 1)
endif
ifeq "$(LLVM_HAVE_LTO)" "1"

warn on old llvm