about summary refs log tree commit diff
path: root/editor/specialty
diff options
context:
space:
mode:
Diffstat (limited to 'editor/specialty')
-rw-r--r--editor/specialty/pnmmercator.c2
-rw-r--r--editor/specialty/ppmglobe.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/editor/specialty/pnmmercator.c b/editor/specialty/pnmmercator.c
index cd9ff19b..81f7f148 100644
--- a/editor/specialty/pnmmercator.c
+++ b/editor/specialty/pnmmercator.c
@@ -16,7 +16,7 @@
 **
 */
 
-#define _XOPEN_SOURCE  /* Make sure M_PI is in <math.h> */
+#define _XOPEN_SOURCE 500  /* get M_PI in math.h */
 #include <math.h>
 #include <string.h>
 
diff --git a/editor/specialty/ppmglobe.c b/editor/specialty/ppmglobe.c
index 92e22746..bb043cc6 100644
--- a/editor/specialty/ppmglobe.c
+++ b/editor/specialty/ppmglobe.c
@@ -9,7 +9,7 @@
  */
 
 
-#define _XOPEN_SOURCE  /* get M_PI in math.h */
+#define _XOPEN_SOURCE 500  /* get M_PI in math.h */
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>