Bundle libsamplerate

[audio-libsamplerate.git] / libsamplerate / M4 / check_signal.m4

diff --git a/libsamplerate/M4/check_signal.m4 b/libsamplerate/M4/check_signal.m4
new file mode 100644 (file)
index 0000000..97c877a
--- /dev/null
+++ b/libsamplerate/M4/check_signal.m4
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+dnl @synopsis AC_CHECK_SIGNAL(SIGNAME)
+dnl
+dnl
+dnl @category C
+dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com>
+dnl @version 1.0       Jul 07 2007
+
+AC_DEFUN([AC_CHECK_SIGNAL],
+[AC_CACHE_CHECK(for $1,
+  ac_cv_signal_$1,
+[
+AC_TRY_LINK([
+#include <signal.h>
+
+], signal($1, SIG_DFL) ;, ac_cv_signal_$1=yes, ac_cv_signal_$1=no)
+
+])
+
+if test "$ac_cv_signal_$1" = yes; then
+  AC_DEFINE(HAVE_$1, 1,
+            [Define if you have signal $1.])
+fi
+])# AC_CHECK_SIGNAL
+
+
+## AC_CHECK_SIGNALS