Fix configuration on Solaris 8.

[cdecl99.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 7729fccfb546c6332fdbaaa2121ce716c717d6b6..9572e8c49bf60007f5638063343bae99bb7d117c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -28,6 +28,16 @@ gl_EARLY
 LT_INIT
 gl_INIT
 
+# Work around quoting bug in Gnulib threadlib.m4 which prevents
+# correct detection on e.g., Solaris 8.  These platforms require
+# PTHREAD_IN_USE_DETECTION_HARD to be set otherwise cdecl99 will
+# crash when reporting an error as initialization is not done.
+#
+# If this gets fixed in Gnulib, we can remove this.
+AS_CASE([$host_os],
+  [[solaris2.[1-9] | solaris2.[1-9].*]],
+    [AC_DEFINE([PTHREAD_IN_USE_DETECTION_HARD])])
+
 # As the mbrtowc replacement module is not used by the library, there is
 # no need for multithreaded mbrtowc (all programs are single threaded).
 AC_DEFINE([GNULIB_MBRTOWC_SINGLE_THREAD], [1], [Define to 1.])