Add poorly-named _DEFAULT_SOURCE to all files that had _BSD_SOURCE or _SVID_SOURCE, because for some reason GNU C library is replacing the latter with the former. This eliminates compiler warnings about _BSD_SOURCE/_SVID_SOURCE being deprecated

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@2836 9d0c8265-081b-0410-96cb-a4ca84ce46f8

47 files changed, 48 insertions, 0 deletions

diff --git a/converter/other/cameratopam/camera.c b/converter/other/cameratopam/camera.c
index 04a6ed01..503551f1 100644
--- a/converter/other/cameratopam/camera.c
+++ b/converter/other/cameratopam/camera.c
@@ -1,3 +1,4 @@
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE
     /* Make sure strcasecmp is in string.h */
 #define _XOPEN_SOURCE
diff --git a/converter/other/cameratopam/cameratopam.c b/converter/other/cameratopam/cameratopam.c
index ec33dd31..2c832714 100644
--- a/converter/other/cameratopam/cameratopam.c
+++ b/converter/other/cameratopam/cameratopam.c
@@ -7,6 +7,7 @@
  */
 
 
+#define _DEFAULT_SOURCE 1 /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE 1   /* Make sure string.h contains strdup() */
 #define _XOPEN_SOURCE 500
    /* Make sure unistd.h contains swab(), string.h constains strdup() */
diff --git a/converter/other/cameratopam/identify.c b/converter/other/cameratopam/identify.c
index 02208be6..7e77adb2 100644
--- a/converter/other/cameratopam/identify.c
+++ b/converter/other/cameratopam/identify.c
@@ -1,3 +1,4 @@
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE   /* Make sure strcasecmp() is in string.h */
 #include <string.h>
 
diff --git a/converter/other/cameratopam/ljpeg.c b/converter/other/cameratopam/ljpeg.c
index 07791e25..331d258c 100644
--- a/converter/other/cameratopam/ljpeg.c
+++ b/converter/other/cameratopam/ljpeg.c
@@ -1,3 +1,4 @@
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE    /* Make sure string.h containst strcasecmp() */
 #include <stdlib.h>
 #include <string.h>
diff --git a/converter/other/fiasco/binerror.c b/converter/other/fiasco/binerror.c
index 80a2e461..9820d853 100644
--- a/converter/other/fiasco/binerror.c
+++ b/converter/other/fiasco/binerror.c
@@ -18,6 +18,7 @@
  *  $State: Exp $
  */
 
+#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 */
 #define _ERROR_C
diff --git a/converter/other/fiasco/codec/coder.c b/converter/other/fiasco/codec/coder.c
index ce4a24f1..1e21994d 100644
--- a/converter/other/fiasco/codec/coder.c
+++ b/converter/other/fiasco/codec/coder.c
@@ -14,6 +14,7 @@
  *  $State: Exp $
  */
 
+#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/other/fiasco/codec/options.c b/converter/other/fiasco/codec/options.c
index af2cfb48..b9c64efd 100644
--- a/converter/other/fiasco/codec/options.c
+++ b/converter/other/fiasco/codec/options.c
@@ -14,6 +14,7 @@
  *  $State: Exp $
  */
 
+#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/other/fiasco/codec/wfalib.c b/converter/other/fiasco/codec/wfalib.c
index 75792627..90420d6f 100644
--- a/converter/other/fiasco/codec/wfalib.c
+++ b/converter/other/fiasco/codec/wfalib.c
@@ -14,6 +14,7 @@
  *  $State: Exp $
  */
 
+#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/other/fiasco/fiascotopnm.c b/converter/other/fiasco/fiascotopnm.c
index 503d023f..e95e27fc 100644
--- a/converter/other/fiasco/fiascotopnm.c
+++ b/converter/other/fiasco/fiascotopnm.c
@@ -15,6 +15,7 @@
  *  $State: Exp $
  */
 
+#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/other/fiasco/input/read.c b/converter/other/fiasco/input/read.c
index 862fec39..9f4ac993 100644
--- a/converter/other/fiasco/input/read.c
+++ b/converter/other/fiasco/input/read.c
@@ -14,6 +14,7 @@
  *  $State: Exp $
  */
 
+#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/other/fiasco/lib/bit-io.c b/converter/other/fiasco/lib/bit-io.c
index fdcd70b9..f69343e6 100644
--- a/converter/other/fiasco/lib/bit-io.c
+++ b/converter/other/fiasco/lib/bit-io.c
@@ -14,6 +14,7 @@
  *  $State: Exp $
  */
 
+#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/other/fiasco/params.c b/converter/other/fiasco/params.c
index 14f1529e..7d0b84ab 100644
--- a/converter/other/fiasco/params.c
+++ b/converter/other/fiasco/params.c
@@ -15,6 +15,7 @@
  *  $State: Exp $
  */
 
+#define _DEFAULT_SOURCE 1 /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE 1
     /* Make sure strdup() is in string.h and strcaseeq() is in nstring.h */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
diff --git a/converter/other/giftopnm.c b/converter/other/giftopnm.c
index 76cf4bff..b0d479d5 100644
--- a/converter/other/giftopnm.c
+++ b/converter/other/giftopnm.c
@@ -19,6 +19,7 @@
    describe the Lempel-Ziv base.
 */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 #define _BSD_SOURCE   /* for strcaseeq */
 #include <string.h>
diff --git a/converter/other/ipdb.c b/converter/other/ipdb.c
index d6bd6ef5..1d72cc31 100644
--- a/converter/other/ipdb.c
+++ b/converter/other/ipdb.c
@@ -19,6 +19,7 @@
  *   Authors:  Eric A. Howe (mu@trends.net)
  *             Bryan Henderson, 2010
  */
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 #define _BSD_SOURCE   /* Ensure strdup() is in <string.h> */
 #include <assert.h>
diff --git a/converter/other/jpeg2000/jpeg2ktopam.c b/converter/other/jpeg2000/jpeg2ktopam.c
index 405de9c9..b7276241 100644
--- a/converter/other/jpeg2000/jpeg2ktopam.c
+++ b/converter/other/jpeg2000/jpeg2ktopam.c
@@ -8,6 +8,7 @@
 
 *****************************************************************************/
 
+#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 */
     /* In 2014.09, this was _XOPEN_SOURCE 600, with a comment saying it was
diff --git a/converter/other/jpeg2000/pamtojpeg2k.c b/converter/other/jpeg2000/pamtojpeg2k.c
index b8905518..3d8a97af 100644
--- a/converter/other/jpeg2000/pamtojpeg2k.c
+++ b/converter/other/jpeg2000/pamtojpeg2k.c
@@ -8,6 +8,7 @@
 
 *****************************************************************************/
 
+#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 */
     /* In 2014.09, this was _XOPEN_SOURCE 600, with a comment saying it was
diff --git a/converter/other/jpegtopnm.c b/converter/other/jpegtopnm.c
index ab3b18e5..98552c00 100644
--- a/converter/other/jpegtopnm.c
+++ b/converter/other/jpegtopnm.c
@@ -48,6 +48,7 @@
     
 *****************************************************************************/
 
+#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 */
 
diff --git a/converter/other/pamtotga.c b/converter/other/pamtotga.c
index aca93015..27974dd3 100644
--- a/converter/other/pamtotga.c
+++ b/converter/other/pamtotga.c
@@ -10,6 +10,7 @@
 ** implied warranty.
 */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE  /* Make sure string.h contains strdup() */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 
diff --git a/converter/other/pamtotiff.c b/converter/other/pamtotiff.c
index 7b645b23..9270fd4c 100644
--- a/converter/other/pamtotiff.c
+++ b/converter/other/pamtotiff.c
@@ -21,6 +21,7 @@
 ** other special, indirect and consequential damages.
 */
 
+#define _DEFAULT_SOURCE  /* New name for SVID & BSD source defines */
 #define _XOPEN_SOURCE    /* Make sure stdio.h contains fileno() */
 #define _BSD_SOURCE      /* Make sure string.h contains strcasecmp() */
 
diff --git a/converter/other/pamtouil.c b/converter/other/pamtouil.c
index ee7f5ae6..01858cbc 100644
--- a/converter/other/pamtouil.c
+++ b/converter/other/pamtouil.c
@@ -13,6 +13,7 @@
 ** implied warranty.
 */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE  /* Make sure string.h contains strdup() */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 #include <ctype.h>
diff --git a/converter/other/pgmtoppm.c b/converter/other/pgmtoppm.c
index f8a69424..c3a26594 100644
--- a/converter/other/pgmtoppm.c
+++ b/converter/other/pgmtoppm.c
@@ -10,6 +10,7 @@
 ** implied warranty.
 */
 
+#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 strdup() is in <string.h> */
 #include <string.h>
diff --git a/converter/other/pnmtojpeg.c b/converter/other/pnmtojpeg.c
index ce231c94..86cb3eea 100644
--- a/converter/other/pnmtojpeg.c
+++ b/converter/other/pnmtojpeg.c
@@ -16,6 +16,7 @@
 
 *****************************************************************************/
 
+#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 */
 
diff --git a/converter/other/pnmtops.c b/converter/other/pnmtops.c
index c1dadc3e..c827f549 100644
--- a/converter/other/pnmtops.c
+++ b/converter/other/pnmtops.c
@@ -33,6 +33,7 @@
    goes in separate from the rest of the raster.
 */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE  /* Make sure string.h contains strdup() */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 #include <stdlib.h>
diff --git a/converter/other/pstopnm.c b/converter/other/pstopnm.c
index 016db2f6..e19a0fa4 100644
--- a/converter/other/pstopnm.c
+++ b/converter/other/pstopnm.c
@@ -14,6 +14,7 @@
 
 -----------------------------------------------------------------------------*/
 
+#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 fdopen() is in stdio.h and strdup() is in string.h */
diff --git a/converter/other/rletopnm.c b/converter/other/rletopnm.c
index ff37cfe4..018456c8 100644
--- a/converter/other/rletopnm.c
+++ b/converter/other/rletopnm.c
@@ -35,6 +35,7 @@
  *
  */
 
+#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 */
 
diff --git a/converter/other/svgtopam.c b/converter/other/svgtopam.c
index 137f4732..a10f51da 100644
--- a/converter/other/svgtopam.c
+++ b/converter/other/svgtopam.c
@@ -26,6 +26,7 @@
    
 ============================================================================*/
 
+#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 strdup() is in <string.h> */
 #define _POSIX_SOURCE   /* Make sure fileno() is in <stdio.h> */
diff --git a/converter/other/tiff.c b/converter/other/tiff.c
index d0cbbd74..39e3b0ce 100644
--- a/converter/other/tiff.c
+++ b/converter/other/tiff.c
@@ -6,6 +6,7 @@
 
 ============================================================================*/
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE    /* Make sure strcaseeq() is in nstring.h */
 
 #include <string.h>
diff --git a/converter/other/tifftopnm.c b/converter/other/tifftopnm.c
index 58efe1fd..fb0a7739 100644
--- a/converter/other/tifftopnm.c
+++ b/converter/other/tifftopnm.c
@@ -46,6 +46,7 @@
    give the user the -byrow option to order (2) only.
 */
 
+#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/other/xwdtopnm.c b/converter/other/xwdtopnm.c
index d49a2b09..df3c7375 100644
--- a/converter/other/xwdtopnm.c
+++ b/converter/other/xwdtopnm.c
@@ -23,6 +23,7 @@
 */
 
 
+#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 */
 
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 */
 
diff --git a/converter/ppm/ppmtobmp.c b/converter/ppm/ppmtobmp.c
index 6bdec8c3..a0de38e3 100644
--- a/converter/ppm/ppmtobmp.c
+++ b/converter/ppm/ppmtobmp.c
@@ -13,6 +13,7 @@
  *
  */
 
+#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 */
 
diff --git a/converter/ppm/ppmtogif.c b/converter/ppm/ppmtogif.c
index fa7d1dbe..8dd133b5 100644
--- a/converter/ppm/ppmtogif.c
+++ b/converter/ppm/ppmtogif.c
@@ -10,6 +10,7 @@
      - Pamtogif requires a user-specififed map file (-mapfile) to
        match the input in depth.
 */
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE   /* Make sure strdup() is in string.h */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 
diff --git a/converter/ppm/ppmtompeg/gethostname.c b/converter/ppm/ppmtompeg/gethostname.c
index d20af17c..649fff91 100644
--- a/converter/ppm/ppmtompeg/gethostname.c
+++ b/converter/ppm/ppmtompeg/gethostname.c
@@ -1,3 +1,4 @@
+#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 strdup() is in string.h */
 
diff --git a/converter/ppm/ppmtompeg/mpeg.c b/converter/ppm/ppmtompeg/mpeg.c
index 24d337ed..33e1a9f9 100644
--- a/converter/ppm/ppmtompeg/mpeg.c
+++ b/converter/ppm/ppmtompeg/mpeg.c
@@ -30,6 +30,7 @@
  * HEADER FILES *
  *==============*/
 
+#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 strdup() is in string.h */
 
diff --git a/converter/ppm/ppmtompeg/param.c b/converter/ppm/ppmtompeg/param.c
index 45605981..87fdfa6b 100644
--- a/converter/ppm/ppmtompeg/param.c
+++ b/converter/ppm/ppmtompeg/param.c
@@ -7,6 +7,8 @@
 
 /* COPYRIGHT INFORMATION IS AT THE END OF THIS FILE */
 
+#define _DEFAULT_SOURCE 1
+    /* New name for SVID & BSD source defines */
 #define _XOPEN_SOURCE 500
     /* This makes sure popen() is in stdio.h.  In GNU libc 2.1.3, 
      _POSIX_C_SOURCE = 2 is sufficient, but on AIX 4.3, the higher level
diff --git a/converter/ppm/ppmtompeg/ppmtompeg.c b/converter/ppm/ppmtompeg/ppmtompeg.c
index 46224e84..837b1b9d 100644
--- a/converter/ppm/ppmtompeg/ppmtompeg.c
+++ b/converter/ppm/ppmtompeg/ppmtompeg.c
@@ -30,6 +30,7 @@
  * HEADER FILES *
  *==============*/
 
+#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 strdup() is in string.h */
 
diff --git a/converter/ppm/ppmtompeg/readframe.c b/converter/ppm/ppmtompeg/readframe.c
index 23752706..2a359b2f 100644
--- a/converter/ppm/ppmtompeg/readframe.c
+++ b/converter/ppm/ppmtompeg/readframe.c
@@ -17,6 +17,7 @@
  * HEADER FILES *
  *==============*/
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE   /* Make sure popen() is in stdio.h */
 #include "all.h"
 #include <time.h>
diff --git a/converter/ppm/ppmtoxpm.c b/converter/ppm/ppmtoxpm.c
index 38d99972..0e316928 100644
--- a/converter/ppm/ppmtoxpm.c
+++ b/converter/ppm/ppmtoxpm.c
@@ -33,6 +33,7 @@
 **    (base 93 not base 28 -> saves a lot of space for colorful xpms)
 */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE   /* Make sure strdup() is in string.h */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */
 
diff --git a/converter/ppm/tgatoppm.c b/converter/ppm/tgatoppm.c
index 95893089..3660e646 100644
--- a/converter/ppm/tgatoppm.c
+++ b/converter/ppm/tgatoppm.c
@@ -12,6 +12,7 @@
 ** implied warranty.
 */
 
+#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/ppm/winicontoppm.c b/converter/ppm/winicontoppm.c
index 6b1376b2..2c9015f5 100644
--- a/converter/ppm/winicontoppm.c
+++ b/converter/ppm/winicontoppm.c
@@ -14,6 +14,7 @@
 ** 03/2003 - Added 24+32 bpp capability.
 */
 
+#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/ppm/ximtoppm.c b/converter/ppm/ximtoppm.c
index ce5e6396..75faac69 100644
--- a/converter/ppm/ximtoppm.c
+++ b/converter/ppm/ximtoppm.c
@@ -10,6 +10,7 @@
 ** implied warranty.
 */
 
+#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/ppm/xpmtoppm.c b/converter/ppm/xpmtoppm.c
index 27f17931..9471ec7c 100644
--- a/converter/ppm/xpmtoppm.c
+++ b/converter/ppm/xpmtoppm.c
@@ -3,6 +3,7 @@
    Copyright and history information is at end of file
 */
 
+#define _DEFAULT_SOURCE /* New name for SVID & BSD source defines */
 #define _BSD_SOURCE   /* Make sure strdup() is in string.h */
 #define _XOPEN_SOURCE 500  /* Make sure strdup() is in string.h */