Hi, Its been used in the automated toolchain builds for sometime, seems like a good idea to enable it by default. It can be easily changed to match for all mingw as well if needed.
OK for trunk? Index: libstdc++-v3/configure.ac =================================================================== --- libstdc++-v3/configure.ac (revision 178946) +++ libstdc++-v3/configure.ac (working copy) @@ -132,7 +132,15 @@ GLIBCXX_ENABLE_DEBUG([no]) GLIBCXX_ENABLE_PARALLEL([yes]) GLIBCXX_ENABLE_CXX_FLAGS -GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no]) +case "$host" in + # Enable fully ynamic strings on mingw-w64 by default + i?86-w64-mingw* | x86_64-w64-mingw*) + GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([yes]) + ;; + *) + GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no]) + ;; +esac GLIBCXX_ENABLE_EXTERN_TEMPLATE([yes]) # Checks for operating systems support that doesn't require linking.
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