configure.ac: Do not use -pthread on Darwin

It's not needed because Darwin has POSIX Threads in libc. Fixes #96.

diff --git a/configure.ac b/configure.ac
index c6515ad..febe0e9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -59,8 +59,7 @@ case $host in
        AC_MSG_RESULT([Darwin/MacOS X])
        backend="darwin"
        threads="posix"
-       THREAD_CFLAGS="-pthread"
-       PC_LIBS_PRIVATE="-Wl,-framework,IOKit -Wl,-framework,CoreFoundation -Wl,-prebind -no-undefined -pthread"
+       PC_LIBS_PRIVATE="-Wl,-framework,IOKit -Wl,-framework,CoreFoundation -Wl,-prebind -no-undefined"
        AM_LDFLAGS=${PC_LIBS_PRIVATE}
        AC_CHECK_HEADERS([poll.h])
        AC_CHECK_TYPE([nfds_t],