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| author | Francis Dupont <fdupont@isc.org> | 2023-07-18 18:29:12 +0200 |
|---|---|---|
| committer | Francis Dupont <fdupont@isc.org> | 2023-07-19 00:46:18 +0200 |
| commit | 976633c8a15c885ea012c114531fdc02f9ede3c0 (patch) | |
| tree | 0b9cb97224753287fd51ec5c2989342cd9108e21 /m4macros | |
| parent | [#2876] Fixed m4macros Makefile (diff) | |
| download | kea-976633c8a15c885ea012c114531fdc02f9ede3c0.tar.xz kea-976633c8a15c885ea012c114531fdc02f9ede3c0.zip | |
[#2876] Addressed comments
Diffstat (limited to 'm4macros')
| -rw-r--r-- | m4macros/ax_cpp14.m4 | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/m4macros/ax_cpp14.m4 b/m4macros/ax_cpp14.m4 index 7f39a74ca3..bc445829c2 100644 --- a/m4macros/ax_cpp14.m4 +++ b/m4macros/ax_cpp14.m4 @@ -2,7 +2,7 @@ AC_DEFUN([AX_ISC_CPP14], [ CXX_SAVED=$CXX feature= -for retry in "none" "--std=c++14" "--std=c++0x" "--std=c++1x" "fail"; do +for retry in "none" "--std=c++14" "--std=c++1y" "fail"; do if test "$retry" = "fail"; then AC_MSG_ERROR([$feature (a C++14 feature) is not supported]) fi @@ -235,6 +235,18 @@ for retry in "none" "--std=c++14" "--std=c++0x" "--std=c++1x" "fail"; do [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]) continue]) + + AC_MSG_CHECKING(variable template support) + feature="variable template" + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [template<class T> + constexpr T pi = T(3.1415926535897932385L);], + [int a = pi<int>;], + )], + [AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no]) + continue]) break done |