Attempt #2 to fix mingw crossbuild. This time with more ugly hacks!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147196 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/m4/visibility_inlines_hidden.m4 b/autoconf/m4/visibility_inlines_hidden.m4
index ee3d61b..65dd503 100644
--- a/autoconf/m4/visibility_inlines_hidden.m4
+++ b/autoconf/m4/visibility_inlines_hidden.m4
@@ -8,9 +8,9 @@
[llvm_cv_cxx_visibility_inlines_hidden],
[ AC_LANG_PUSH([C++])
oldcxxflags="$CXXFLAGS"
- CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
+ CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden -Werror"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
- [template <typename T> struct X { inline void f() {} };],
+ [template <typename T> struct X { void __attribute__((noinline)) f() {} };],
[X<int>().f();])],
[llvm_cv_cxx_visibility_inlines_hidden=yes],[llvm_cv_cxx_visibility_inlines_hidden=no])
CXXFLAGS="$oldcxxflags"
diff --git a/configure b/configure
index 62b2d1c..7c86dbf 100755
--- a/configure
+++ b/configure
@@ -20986,14 +20986,14 @@
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
oldcxxflags="$CXXFLAGS"
- CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
+ CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
-template <typename T> struct X { inline void f() {} };
+template <typename T> struct X { void __attribute__((noinline)) f() {} };
int
main ()
{