diff options
Diffstat (limited to 'libstdc++-v3/configure.host')
-rw-r--r-- | libstdc++-v3/configure.host | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host index 48397fde071..e6249e656c8 100644 --- a/libstdc++-v3/configure.host +++ b/libstdc++-v3/configure.host @@ -172,6 +172,13 @@ case "${host_os}" in cygwin*) os_include_dir="os/newlib" ;; + darwin*) + # On Darwin, performance is improved if libstdc++ is single-module. + # Up to at least 10.3.5, -flat_namespace is required for proper + # treatment of coalesced symbols. + OPT_LDFLAGS="${OPT_LDFLAGS} -Wl,-single_module -Wl,-flat_namespace" + os_include_dir="os/generic" + ;; *djgpp*) # leading * picks up "msdosdjgpp" os_include_dir="os/djgpp" ;; |