X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=libstdc%2B%2B-v3%2Flinkage.m4;h=87c64cb9b57ccf57464ffbdcf90899bb8ebf21d2;hp=eec02800ddbcdc33ee984238e075d3feb89192f0;hb=708a325092013c660b683da1cacbffd44f26bd85;hpb=196771fa67aeea60e48cd9cd500a2b26ebc59470;ds=sidebyside

diff --git a/libstdc++-v3/linkage.m4 b/libstdc++-v3/linkage.m4
index eec02800ddb..87c64cb9b57 100644
--- a/libstdc++-v3/linkage.m4
+++ b/libstdc++-v3/linkage.m4
@@ -404,6 +404,11 @@ AC_DEFUN([GLIBCXX_CHECK_MATH_SUPPORT], [
   ac_save_LIBS="$LIBS"
   LIBS="$LIBS $libm"
 
+  dnl Check libmx
+  AC_CHECK_LIB(mx, sqrtf, libmx="-lmx")
+  dnl ac_save_LIBS="$LIBS"
+  LIBS="$LIBS $libmx"
+
   dnl Check to see if certain C math functions exist.
   GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(isinf)
   GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(isnan)