fix: resolve detection issue of c++20 when using g++10

dashpay · Apr 12, 2024 · 659fcb9 · 659fcb9
1 parent 3434e0e
commit 659fcb9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/build-aux/m4/ax_cxx_compile_stdcxx.m4 b/build-aux/m4/ax_cxx_compile_stdcxx.m4
@@ -55,7 +55,7 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
   m4_if([$1], [11], [ax_cxx_compile_alternatives="11 0x"],
         [$1], [14], [ax_cxx_compile_alternatives="14 1y"],
         [$1], [17], [ax_cxx_compile_alternatives="17 1z"],
-        [$1], [20], [ax_cxx_compile_alternatives="20"],
+        [$1], [20], [ax_cxx_compile_alternatives="20 2a"],
         [m4_fatal([invalid first argument `$1' to AX_CXX_COMPILE_STDCXX])])dnl
   m4_if([$2], [], [],
         [$2], [ext], [],