C++20 for clang >= 16

This commit is contained in:
orignal 2024-09-04 13:21:13 -04:00
parent d1620d70bb
commit 911620bcd3

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@ -14,6 +14,8 @@ LDLIBS = -lcrypto -lssl -lz -lpthread -lboost_system -lboost_program_options
CXXVER := $(shell $(CXX) -dumpversion) CXXVER := $(shell $(CXX) -dumpversion)
ifeq (${CXXVER}, "4.2.1") # older clang always returned 4.2.1 ifeq (${CXXVER}, "4.2.1") # older clang always returned 4.2.1
$(error Compiler too old) $(error Compiler too old)
else # newer versions support C++17 else ifeq ($(shell expr match ${CXXVER} "1[6-9]"),2) # clang 16 - 19
NEEDED_CXXFLAGS += -std=c++20
else
NEEDED_CXXFLAGS = -std=c++17 NEEDED_CXXFLAGS = -std=c++17
endif endif