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-rw-r--r--m4/threads.m468
1 files changed, 0 insertions, 68 deletions
diff --git a/m4/threads.m4 b/m4/threads.m4
deleted file mode 100644
index 6f2e25f..0000000
--- a/m4/threads.m4
+++ /dev/null
@@ -1,68 +0,0 @@
-dnl file : m4/threads.m4
-dnl license : GNU GPL v2; see accompanying LICENSE file
-dnl
-AC_DEFUN([THREADS],[
-
-threads_thread_keyword=no
-
-AC_ARG_ENABLE(
- [threads],
- AS_HELP_STRING([--disable-threads], [disable threads (enabled by default)]),
- [AS_IF([test x"$enableval" = xno], [threads=none], [threads=check])],
- [threads=check])
-
-# If thread support is not disabled by the user, figure out what we can use.
-#
-if test x$threads = xcheck; then
- case $host_os in
- windows* | mingw*)
- case $host_os in
- mingw*)
- CXXFLAGS="$CXXFLAGS -mthreads"
- ;;
- esac
-
- # Newer versions of GCC can be configured to use either Win32 or POSIX
- # threads. It appears that -mthreads should be used in both cases but
- # if the model is POSIX then GCC will also link -lpthread by default.
- # Use that fact to test which model we have.
- #
- AC_TRY_LINK([#include <pthread.h>],
- [pthread_create(0,0,0,0);],
- [threads=posix],
- [threads=win32])
- ;;
- *)
- ACX_PTHREAD
-
- if test x$acx_pthread_ok = xyes; then
- threads=posix
- LIBS="$LIBS $PTHREAD_LIBS"
- CXXFLAGS="$CXXFLAGS $PTHREAD_CXXFLAGS"
-
- # Check if we can use the __thread keyword.
- #
- AC_MSG_CHECKING([for __thread keyword])
-
- CXX_LIBTOOL_LINK_IFELSE([
- AC_LANG_SOURCE([
- __thread int tls_var;
-
- int
- main ()
- {
- tls_var = 0;
- }
- ])],
- [threads_thread_keyword=yes])
-
- AC_MSG_RESULT([$threads_thread_keyword])
- fi
- ;;
- esac
-fi
-
-if test x$threads = xcheck; then
- AC_MSG_ERROR([thread support not available; use --disable-threads to force single-threaded mode])
-fi
-])dnl