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-rw-r--r--threadlib/configure.ac11
1 files changed, 10 insertions, 1 deletions
diff --git a/threadlib/configure.ac b/threadlib/configure.ac
index d125374..408c07c 100644
--- a/threadlib/configure.ac
+++ b/threadlib/configure.ac
@@ -76,7 +76,16 @@ AM_CONDITIONAL(HAVE_PTHREADS, test "$have_pthreads" != "no")
AC_SUBST(THREADLIB)
-AC_CHECK_LIB(m, sqrt)
+AC_TRY_COMPILE([
+#include <math.h>
+
+double x()
+{
+ return sqrt(0);
+}],[
+], [
+ LIBS='-lm'
+])
if test "$GCC" = "yes"
then