6 files changed, 6 insertions, 0 deletions
diff --git a/converter/pbm/g3topbm.c b/converter/pbm/g3topbm.c
index b0d08f9e..83479b91 100644
--- a/converter/pbm/g3topbm.c
+++ b/converter/pbm/g3topbm.c
@@ -18,6 +18,7 @@
   contributing their work to the public domain.
 ===========================================================================*/
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE   /* Make nstring.h define strcaseeq() */
 
 #include "pm_c_util.h"
diff --git a/converter/pbm/pbmtoepson.c b/converter/pbm/pbmtoepson.c
index bb36791d..122a438f 100644
--- a/converter/pbm/pbmtoepson.c
+++ b/converter/pbm/pbmtoepson.c
@@ -11,6 +11,7 @@
 ** implied warranty.
 */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE    /* Make sure strcaseeq() is in nstring.h */
 #include <stdio.h>
 
diff --git a/converter/pbm/pbmtonokia.c b/converter/pbm/pbmtonokia.c
index e803e413..73b62b96 100644
--- a/converter/pbm/pbmtonokia.c
+++ b/converter/pbm/pbmtonokia.c
@@ -4,6 +4,7 @@
    Copyright information is at end of file.
 */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 #define _BSD_SOURCE    /* Make sure strcaseeq() is in nstring.h */
 #include <string.h>
diff --git a/converter/pbm/pbmtopk.c b/converter/pbm/pbmtopk.c
index 3948ae0d..2f05d449 100644
--- a/converter/pbm/pbmtopk.c
+++ b/converter/pbm/pbmtopk.c
@@ -9,6 +9,7 @@
   https://www.tug.org/TUGboat/tb06-1/tb11gf.pdf
 */
 
+#define _DEFAULT_SOURCE 1  /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE 1      /* Make sure strdup() is in string.h */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 
diff --git a/converter/pbm/pbmtoppa/pbmtoppa.c b/converter/pbm/pbmtoppa/pbmtoppa.c
index f43c08a8..ff4a599e 100644
--- a/converter/pbm/pbmtoppa/pbmtoppa.c
+++ b/converter/pbm/pbmtoppa/pbmtoppa.c
@@ -4,6 +4,7 @@
  * 2-24-98
  */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE
     /* This makes sure strcasecmp() is in string.h */
 #include <stdio.h>
diff --git a/converter/pbm/pbmtoxbm.c b/converter/pbm/pbmtoxbm.c
index 14c6b85e..ecb72b30 100644
--- a/converter/pbm/pbmtoxbm.c
+++ b/converter/pbm/pbmtoxbm.c
@@ -20,6 +20,7 @@
 
 */
 
+#define _DEFAULT_SOURCE 1  /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE 1      /* Make sure strdup() is in string.h */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */