diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/configure.ac b/configure.ac index 1148c21..321a0f3 100644 --- a/configure.ac +++ b/configure.ac @@ -323,16 +323,28 @@ AC_CACHE_CHECK([if the compiler supports -Wno-unused-result], AM_CONDITIONAL(HAVE_W_NO_UNUSED_RESULT, test "$perftools_cv_w_no_unused_result" = yes) -AC_CACHE_CHECK([if C++ compiler supports -fsized-deallocation], - perftools_cv_sized_deallocation_result, - [AC_LANG_PUSH(C++) - OLD_CXXFLAGS="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS -fsized-deallocation" - AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], - perftools_cv_sized_deallocation_result=yes, - perftools_cv_sized_deallocation_result=no) - CXXFLAGS="$OLD_CXXFLAGS" - AC_LANG_POP(C++)]) +AC_ARG_ENABLE([sized-delete], + [AS_HELP_STRING([--enable-sized-delete], + [build sized delete operator])], + [enable_sized_delete="$enableval"], + [enable_sized_delete="no"]) +AS_IF([test "x$enable_sized_delete" = xyes], + [AC_DEFINE([ENABLE_SIZED_DELETE], 1, [Build sized deletion operators]) + AC_MSG_NOTICE([Will build sized deallocation operators])], + [AC_MSG_NOTICE([Will not build sized deallocation operators])]) + +AS_IF([test "x$enable_sized_delete" = xyes], + [AC_CACHE_CHECK([if C++ compiler supports -fsized-deallocation], + perftools_cv_sized_deallocation_result, + [AC_LANG_PUSH(C++) + OLD_CXXFLAGS="$CXXFLAGS" + CXXFLAGS="$CXXFLAGS -fsized-deallocation" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], + perftools_cv_sized_deallocation_result="$enable_sized_delete", + perftools_cv_sized_deallocation_result=no) + CXXFLAGS="$OLD_CXXFLAGS" + AC_LANG_POP(C++)])]) + AM_CONDITIONAL(HAVE_SIZED_DEALLOCATION, test "$perftools_cv_sized_deallocation_result" = yes) |