1 files changed, 84 insertions, 0 deletions
diff --git a/threadlib/configure.ac b/threadlib/configure.ac
new file mode 100644
index 0000000..6962099
--- /dev/null
+++ b/threadlib/configure.ac
@@ -0,0 +1,84 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT(threadlib, 0.10, [courier-users@lists.sourceforge.net])
+
+>confdefs.h  # Kill PACKAGE_ macros
+
+AC_CONFIG_SRCDIR(pthread.c)
+AC_CONFIG_AUX_DIR(../..)
+AM_INIT_AUTOMAKE([foreign no-define])
+
+AM_CONFIG_HEADER(config.h)
+
+dnl Checks for programs.
+AC_USE_SYSTEM_EXTENSIONS
+AC_PROG_AWK
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_PROG_RANLIB
+AC_PROG_CC
+
+dnl Checks for libraries.
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS(unistd.h pthread.h)
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+
+dnl Checks for library functions.
+
+THREADLIB=""
+save_LIBS="$LIBS"
+
+AC_CHECK_LIB(pthread, pthread_cond_wait, [
+	THREADLIB="-lpthread" ; LIBS="-lpthread $LIBS" ], [
+
+LIBS="-pthread $save_LIBS"
+AC_TRY_LINK([
+void pthread_cond_wait();
+],[
+	pthread_cond_wait();
+],
+	THREADLIB="-pthread"
+)
+]
+)
+
+LIBS="$THREADLIB $save_LIBS"
+
+have_pthreads=no
+
+AC_CHECK_HEADER(pthread.h, [
+	AC_CHECK_FUNC(pthread_cond_wait, have_pthreads=yes)
+]
+)
+
+LIBS="$save_LIBS"
+
+AC_ARG_WITH(pthreads, [--without-pthreads        - do not use Posix threads ],
+	if test "$withval" = "no"
+	then
+		have_pthreads=no
+	fi
+	)
+
+if test "$have_pthreads" = "no"
+then
+	THREADLIB=""
+else
+	AC_DEFINE_UNQUOTED(HAVE_PTHREADS,1,
+		[ Whether pthreads are available ])
+fi
+
+AM_CONDITIONAL(HAVE_PTHREADS, test "$have_pthreads" != "no")
+
+AC_SUBST(THREADLIB)
+
+AC_CHECK_LIB(m, sqrt)
+
+if test "$GCC" = "yes"
+then
+	CFLAGS="-Wall $CFLAGS"
+fi
+AC_OUTPUT(Makefile)