diff options
Diffstat (limited to 'autoconf/m4')
| -rw-r--r-- | autoconf/m4/cxx_flag_check.m4 | 2 | ||||
| -rw-r--r-- | autoconf/m4/link_options.m4 | 2 | ||||
| -rw-r--r-- | autoconf/m4/visibility_inlines_hidden.m4 | 6 |
3 files changed, 6 insertions, 4 deletions
diff --git a/autoconf/m4/cxx_flag_check.m4 b/autoconf/m4/cxx_flag_check.m4 index ab09f2a..62454b7 100644 --- a/autoconf/m4/cxx_flag_check.m4 +++ b/autoconf/m4/cxx_flag_check.m4 @@ -1,2 +1,2 @@ AC_DEFUN([CXX_FLAG_CHECK], - [AC_SUBST($1, `$CXX $2 -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)]) + [AC_SUBST($1, `$CXX -Werror $2 -fsyntax-only -xc /dev/null 2>/dev/null && echo $2`)]) diff --git a/autoconf/m4/link_options.m4 b/autoconf/m4/link_options.m4 index 4c5f2f4..57da4a0 100644 --- a/autoconf/m4/link_options.m4 +++ b/autoconf/m4/link_options.m4 @@ -10,7 +10,7 @@ AC_DEFUN([AC_LINK_GET_VERSION], # Check for ld64. if (echo "$version_string" | grep -q "ld64"); then - llvm_cv_link_version=$(echo "$version_string" | sed -e "s#.*ld64-\([^ ]*\)#\1#") + llvm_cv_link_version=$(echo "$version_string" | sed -e "s#.*ld64-\([^ ]*\)\( (.*)\)\{0,1\}#\1#") else llvm_cv_link_version=$(echo "$version_string" | sed -e "s#[^0-9]*\([0-9.]*\).*#\1#") fi diff --git a/autoconf/m4/visibility_inlines_hidden.m4 b/autoconf/m4/visibility_inlines_hidden.m4 index 42ddbe9..b1cc42a 100644 --- a/autoconf/m4/visibility_inlines_hidden.m4 +++ b/autoconf/m4/visibility_inlines_hidden.m4 @@ -8,8 +8,10 @@ AC_DEFUN([AC_CXX_USE_VISIBILITY_INLINES_HIDDEN], [llvm_cv_cxx_visibility_inlines_hidden], [ AC_LANG_PUSH([C++]) oldcxxflags="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden" - AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], + CXXFLAGS="$CXXFLAGS -O0 -fvisibility-inlines-hidden -Werror" + AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [template <typename T> struct X { void __attribute__((noinline)) f() {} };], + [X<int>().f();])], [llvm_cv_cxx_visibility_inlines_hidden=yes],[llvm_cv_cxx_visibility_inlines_hidden=no]) CXXFLAGS="$oldcxxflags" AC_LANG_POP([C++]) |