Merge from origin/emacs-25

[gnu-emacs] / src / lread.c

diff --git a/src/lread.c b/src/lread.c
index 44507281f2f41fb8ec35de2fb91f53c19b827b0c..98a4d69894b5b037fdedcb3f194fae2dd6fedaf1 100644 (file)
--- a/src/lread.c
+++ b/src/lread.c
@@ -47,6 +47,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifdef MSDOS
 #include "msdos.h"
+#if __DJGPP__ == 2 && __DJGPP_MINOR__ < 5
+# define INFINITY  __builtin_inf()
+# define NAN       __builtin_nan("")
+#endif
 #endif
 
 #ifdef HAVE_NS