gnu/packages/patches/ghostscript-no-header-creationdate.patch

   1 This patch makes emission of /CreationDate and /ModDate headers optional.
   2
   3 If the environment variable GS_GENERATE_UUIDS is set to "0" or "no", it will
   4 not write out the "/ID" field (if that's permissible).
   5
   6 Upstream does not want to do this.
   7
   8 See: https://bugs.ghostscript.com/show_bug.cgi?id=698208
   9 diff --git a/orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c b/bb/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
  10 index 0fb067e..b342e2c 100644
  11 --- orig/gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
  12 +++ gnu-ghostscript-9.14.0/devices/vector/gdevpdf.c
  13 @@ -305,6 +305,9 @@ pdf_initialize_ids(gx_device_pdf * pdev)
  14       * date and time, rather than (for example) %%CreationDate from the
  15       * PostScript file.  We think this is wrong, but we do the same.
  16       */
  17 +    if (!getenv("GS_GENERATE_UUIDS") ||
  18 +        (strcasecmp(getenv("GS_GENERATE_UUIDS"), "0") != 0 &&
  19 +         strcasecmp(getenv("GS_GENERATE_UUIDS"), "no") != 0))
  20      {
  21          struct tm tms;
  22          time_t t;