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| author | Boris Kolpackov <boris@codesynthesis.com> | 2010-08-30 15:51:23 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2010-08-30 15:51:23 +0200 |
| commit | 1692b3e82521e7d73a908f532eced90491e1eded (patch) | |
| tree | c45272faba67485f3702395f43282a81a981cf5f /m4/threads.m4 | |
| parent | 4452be925b749572f0e3edcb21e9af818647eb55 (diff) | |
Support for automake and VC++ builds
Diffstat (limited to 'm4/threads.m4')
| -rw-r--r-- | m4/threads.m4 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/m4/threads.m4 b/m4/threads.m4 new file mode 100644 index 0000000..7c32abe --- /dev/null +++ b/m4/threads.m4 @@ -0,0 +1,41 @@ +dnl file : m4/threads.m4 +dnl author : Boris Kolpackov <boris@codesynthesis.com> +dnl copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC +dnl license : GNU GPL v2; see accompanying LICENSE file +dnl +AC_DEFUN([THREADS],[ + +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 + threads=win32 + ;; + *) + ACX_PTHREAD + + if test x$acx_pthread_ok = xyes; then + threads=posix + LIBS="$LIBS $PTHREAD_LIBS" + CXXFLAGS="$CXXFLAGS $PTHREAD_CXXFLAGS" + fi + ;; + esac +fi + +if test x$threads = xcheck; then + AC_MSG_ERROR([thread support not available; use --disable-threads to force single-threaded mode]) +fi +])dnl |