dnl
dnl libunwind
dnl
+PKG_CHECK_EXISTS(libunwind, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
AC_ARG_ENABLE([libunwind],
[AS_HELP_STRING([--enable-libunwind],
[Use libunwind for backtracing (default: auto)])],
[LIBUNWIND="$enableval"],
- [LIBUNWIND="auto"])
-
-PKG_CHECK_EXISTS(libunwind, [HAVE_LIBUNWIND=yes], [HAVE_LIBUNWIND=no])
-if test "x$LIBUNWIND" = "xauto"; then
- LIBUNWIND="$HAVE_LIBUNWIND"
-fi
+ [LIBUNWIND="$HAVE_LIBUNWIND"])
if test "x$LIBUNWIND" = "xyes"; then
PKG_CHECK_MODULES(LIBUNWIND, libunwind)
xswr)
llvm_require_version $LLVM_REQUIRED_SWR "swr"
- swr_require_cxx_feature_flags "C++14" "__cplusplus >= 201402L" \
- "-std=c++14" \
- SWR_CXX14_CXXFLAGS
- AC_SUBST([SWR_CXX14_CXXFLAGS])
+ swr_require_cxx_feature_flags "C++11" "__cplusplus >= 201103L" \
+ ",-std=c++11" \
+ SWR_CXX11_CXXFLAGS
+ AC_SUBST([SWR_CXX11_CXXFLAGS])
swr_require_cxx_feature_flags "AVX" "defined(__AVX__)" \
",-mavx,-march=core-avx" \