diff options
Diffstat (limited to 'config/open-axiom.m4')
| -rw-r--r-- | config/open-axiom.m4 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/config/open-axiom.m4 b/config/open-axiom.m4 index f3c8afd5..26614d14 100644 --- a/config/open-axiom.m4 +++ b/config/open-axiom.m4 @@ -1002,9 +1002,9 @@ dnl or vendor lock-ins such as `__alignof'. AC_DEFUN([OPENAXIOM_ALIGNMENT_OPERATOR],[ AC_MSG_CHECKING([name of alignment query operator]) oa_alignment= -AC_COMPILE_IFELSE([int a = __alignof(int);], +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int a = __alignof(int);]])], [oa_alignment="__alignof"], - [AC_COMPILE_IFELSE([int a = alignof(int);], + [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int a = alignof(int);]])], [oa_alignment="alignof"], [AC_MSG_ERROR([C++ compiler does not support alignment query operator])])]) AC_DEFINE_UNQUOTED([openaxiom_alignment],[$oa_alignment], @@ -1020,9 +1020,9 @@ dnl Vendor lock-ins are of the attribute form. AC_DEFUN([OPENAXIOM_ALIGNAS_SPECIFIER],[ AC_MSG_CHECKING([alignment boundary specifier syntax]) oa_alignas= -AC_COMPILE_IFELSE([alignas(16) int a = 42;], +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[alignas(16) int a = 42;]])], [oa_alignas="alignas(N)"], - [AC_COMPILE_IFELSE([__attribute__((__aligned__(16))) int a = 42;], + [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[__attribute__((__aligned__(16))) int a = 42;]])], [oa_alignas="__attribute__((__aligned__(N)))"], [AC_MSG_ERROR([C++ compiler does not support alignment specifier])])]) AC_DEFINE_UNQUOTED([openaxiom_alignas(N)],[$oa_alignas], |