configure.ac: changed stdcxx14 to stdcxx17.

e233d75b · Uwe Schulzweida · 12788717 · e233d75b
Commit e233d75b authored 2 years ago by Uwe Schulzweida
--- a/configure.ac
+++ b/configure.ac
@@ -38,7 +38,7 @@ AM_PROG_CC_C_O
 AC_PROG_CXX
 AC_PROG_F77
 AC_C_RESTRICT
-AX_CXX_COMPILE_STDCXX(14)
+AX_CXX_COMPILE_STDCXX(17)
 AC_OPENMP
 AC_CHECK_TOOL([AR],[ar],[:])
 AC_CHECK_TOOL([CPP],[cpp],[:])