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-rw-r--r--hints/cygwin.sh27
1 files changed, 17 insertions, 10 deletions
diff --git a/hints/cygwin.sh b/hints/cygwin.sh
index 3d6ea8d4f8..b77ca85ece 100644
--- a/hints/cygwin.sh
+++ b/hints/cygwin.sh
@@ -43,17 +43,28 @@ archname='cygwin'
# - otherwise -fpic
cccdlflags=' '
lddlflags=' --shared'
-ld='g++'
+test -z "$ld" && ld='g++'
case "$osvers" in
-
-# Configure gets these wrong if the IPC server isn't yet running:
-# only use for 1.5.7 and onwards
-[2-9]*|1.[6-9]*|1.[1-5][0-9]*|1.5.[7-9]*|1.5.[1-6][0-9]*)
+ # Configure gets these wrong if the IPC server isn't yet running:
+ # only use for 1.5.7 and onwards
+ [2-9]*|1.[6-9]*|1.[1-5][0-9]*|1.5.[7-9]*|1.5.[1-6][0-9]*)
d_semctl_semid_ds='define'
d_semctl_semun='define'
;;
-esac;
+esac
+
+case "$osvers" in
+ [2-9]*|1.[6-9]*)
+ # IPv6 only since 1.7
+ d_inetntop='define'
+ d_inetpton='define'
+ ;;
+ *)
+ # IPv6 not implemented before cygwin-1.7
+ d_inetntop='undef'
+ d_inetpton='undef'
+esac
# compile Win32CORE "module" as static. try to avoid the space.
if test -z "$static_ext"; then
@@ -73,7 +84,3 @@ lddlflags="$lddlflags $ldflags"
#ldflags="$ldflags -s"
#ccdlflags="$ccdlflags -s"
#lddlflags="$lddlflags -s"
-
-# IPv6 not fully implemented under Cygwin
-d_inetntop='undef'
-d_inetpton='undef'