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autoconf: Fix warning: The macro `AC_TRY_COMPILE' is obsolete. #455

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autoconf: Fix warning: The macro `AC_TRY_COMPILE' is obsolete. #455

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20 changes: 10 additions & 10 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -112,9 +112,9 @@ AM_CONDITIONAL(MINGW, expr $host : '.*-mingw' >/dev/null 2>&1)
# Check if "__STRICT_ANSI__" is required.
AC_MSG_CHECKING([if __STRICT_ANSI__ is required])
AC_LANG_PUSH(C++)
AC_TRY_COMPILE([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <vector>
],[],[need_strict_ansi=no],[need_strict_ansi=yes]);
],[])],[need_strict_ansi=no],[need_strict_ansi=yes]);
AC_LANG_POP(C++)
if eval "test x$need_strict_ansi = xyes"; then
CFLAGS="$CFLAGS -D__STRICT_ANSI__"
Expand All @@ -125,21 +125,21 @@ AC_MSG_RESULT([$need_strict_ansi])
# Check if "std::shared_ptr" is "std::tr1::shared_ptr"
AC_MSG_CHECKING([for std::shared_ptr])
AC_LANG_PUSH(C++)
AC_TRY_COMPILE([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <memory>
],[
class A {};
std::shared_ptr<A> a;
],[has_std_shared_ptr=yes],[has_std_shared_ptr=no]);
])],[has_std_shared_ptr=yes],[has_std_shared_ptr=no]);
AC_MSG_RESULT([$has_std_shared_ptr])
if eval "test x$has_std_shared_ptr = xno"; then
AC_MSG_CHECKING([for std::tr1::shared_ptr])
AC_TRY_COMPILE([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <tr1/memory>
],[
class A {};
std::tr1::shared_ptr<A> a;
],[has_std_tr1_shared_ptr=yes],[has_std_tr1_shared_ptr=no]);
])],[has_std_tr1_shared_ptr=yes],[has_std_tr1_shared_ptr=no]);
AC_MSG_RESULT([$has_std_tr1_shared_ptr])
if eval "test x$has_std_tr1_shared_ptr = xyes"; then
AC_DEFINE(USE_STD_TR1_NAMESPACE,1,[Define to 1 if the std::tr1 namespace should be included in the std namespace.])
Expand All @@ -150,15 +150,15 @@ AC_LANG_POP(C++)
# Check if "std::move" is available (assume always available with clang)
AC_MSG_CHECKING([for std::move])
AC_LANG_PUSH(C++)
AC_TRY_COMPILE([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <utility>
],[
#if !defined(__clang__)
class A {};
A* a = new A();
A* b = std::move(a);
#endif
],[has_std_move=yes],[has_std_move=no]);
])],[has_std_move=yes],[has_std_move=no]);
AC_LANG_POP(C++)
if eval "test x$has_std_move = xno"; then
AC_DEFINE(NEED_STD_MOVE_FALLBACK,1,[Define to 1 if a fallback for "std::move" is required.])
Expand All @@ -168,11 +168,11 @@ AC_MSG_RESULT([$has_std_move])
# Check if "nullptr" is available
AC_MSG_CHECKING([for nullptr])
AC_LANG_PUSH(C++)
AC_TRY_COMPILE([
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
],[
class A {};
A* a = nullptr;
],[has_nullptr=yes],[has_nullptr=no]);
])],[has_nullptr=yes],[has_nullptr=no]);
AC_LANG_POP(C++)
if eval "test x$has_nullptr = xno"; then
AC_DEFINE(NEED_NULLPTR_FALLBACK,1,[Define to 1 if a fallback for "nullptr" is required.])
Expand Down