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-rw-r--r--hints/darwin.sh17
1 files changed, 17 insertions, 0 deletions
diff --git a/hints/darwin.sh b/hints/darwin.sh
index c2e7606d7b..b4a7e52898 100644
--- a/hints/darwin.sh
+++ b/hints/darwin.sh
@@ -113,3 +113,20 @@ LC_ALL=C; export LC_ALL;
# makefile in the same place. Since Darwin uses GNU make, this dodges
# the problem.
firstmakefile=GNUmakefile;
+
+#
+# The libraries are not threadsafe as of OS X 10. (10.1?)
+# Better stop now.
+#
+# Fix when Apple fixes libc.
+#
+case "$usethreads$useithreads$use5005threads" in
+*define*)
+cat <<EOM >&4
+
+*** You do not have threadsafe libraries, I cannot use threads.
+*** Cannot continue, aborting.
+EOM
+ exit 1
+ ;;
+esac