Remove STDIO_IMPLEMENTATION logic from Makefiles.

This has fallen out of usage to the degree where the non-C callbacks
based version hasn't even built for years (since at least 2006, by
my git archaeology). Just strip it out completely.

7 files changed, 0 insertions, 28 deletions

diff --git a/base/gs.mak b/base/gs.mak
index b13a9d400..6c965fc14 100644
--- a/base/gs.mak
+++ b/base/gs.mak
@@ -150,11 +150,6 @@
 #	    both, provides both implementations with different procedure
 #	    names for the fd-based implementation (see sfxfd.c for
 #	    more information).
-#	STDIO_IMPLEMENTATION - normally 'c' which uses callouts and 
-#	    ziodevsc.c, but ghostscript library must use '' for file 
-#	    based stdio in ziodevs.c. 
-#           Callouts use procedure based streams and return back to
-#           to gs_main_interpret() in imain.c whenever stdio is needed.
 #
 # It is very unlikely that anyone would want to edit the remaining
 #   symbols, but we describe them here for completeness:
diff --git a/base/msvclib.mak b/base/msvclib.mak
index b9af9c6be..df7578b93 100644
--- a/base/msvclib.mak
+++ b/base/msvclib.mak
@@ -1130,11 +1130,6 @@ BAND_LIST_COMPRESSOR=zlib
 FILE_IMPLEMENTATION=stdio
 !endif
 
-# Choose the implementation of stdio: Only '' is allowed for library.
-# See gs.mak and ziodevs.c/ziodevsc.c for more details.
-
-STDIO_IMPLEMENTATION= 
-
 # Choose the device(s) to include.  See devs.mak for details,
 # devs.mak and contrib.mak for the list of available devices.
 !ifndef DEVICE_DEVS
diff --git a/base/openvms.mak b/base/openvms.mak
index a272b5f3d..2dc3496b7 100644
--- a/base/openvms.mak
+++ b/base/openvms.mak
@@ -267,11 +267,6 @@ BAND_LIST_COMPRESSOR=zlib
 
 FILE_IMPLEMENTATION=stdio
 
-# Choose the implementation of stdio: '' for file I/O and 'c' for callouts
-# See gs.mak and ziodevs.c/ziodevsc.c for more details.
-
-STDIO_IMPLEMENTATION=c
-
 # Define the platform name.
 
 GSPLATFORM=openvms_
diff --git a/base/ugcclib.mak b/base/ugcclib.mak
index f3c50051a..32ebd5504 100644
--- a/base/ugcclib.mak
+++ b/base/ugcclib.mak
@@ -118,7 +118,6 @@ COMPILE_INITS?=0
 BAND_LIST_STORAGE=file
 BAND_LIST_COMPRESSOR=zlib
 FILE_IMPLEMENTATION=stdio
-STDIO_IMPLEMENTATION=
 DEVICE_DEVS=$(DD)x11cmyk.dev $(DD)x11mono.dev $(DD)x11.dev $(DD)x11alpha.dev\
  $(DD)djet500.dev $(DD)pbmraw.dev $(DD)pgmraw.dev $(DD)ppmraw.dev $(DD)pamcmyk32.dev\
  $(DD)bitcmyk.dev $(GLD)bbox.dev
diff --git a/base/unix-dll.mak b/base/unix-dll.mak
index 8d22a1d2a..70eba34f5 100644
--- a/base/unix-dll.mak
+++ b/base/unix-dll.mak
@@ -227,12 +227,10 @@ SODEFS=\
  GXPS_XE=$(BINDIR)/$(XPS_SONAME_MAJOR_MINOR) \
  GPDL_XE=$(BINDIR)/$(GPDL_SONAME_MAJOR_MINOR) \
  DISPLAY_DEV=$(DD)display.dev \
- STDIO_IMPLEMENTATION=c \
  BUILDDIRPREFIX=$(BUILDDIRPREFIX)
 
 SODEFS_FINAL=\
  DISPLAY_DEV=$(DD)display.dev\
- STDIO_IMPLEMENTATION=c\
  BUILDDIRPREFIX=$(BUILDDIRPREFIX)
 
 # This is a bit nasty; because of the directory name rewriting that happens
diff --git a/base/unix-gcc.mak b/base/unix-gcc.mak
index 4d11dbeea..d87d38c8e 100644
--- a/base/unix-gcc.mak
+++ b/base/unix-gcc.mak
@@ -551,11 +551,6 @@ BAND_LIST_COMPRESSOR=zlib
 
 FILE_IMPLEMENTATION=stdio
 
-# Choose the implementation of stdio: '' for file I/O and 'c' for callouts
-# See gs.mak and ziodevs.c/ziodevsc.c for more details.
-
-STDIO_IMPLEMENTATION=c
-
 # List of default devices, in order of priority. They need not be 
 # present in the actual build.
 GS_DEV_DEFAULT="x11alpha bbox"
diff --git a/base/unixansi.mak b/base/unixansi.mak
index 450ccb916..51597bbd2 100644
--- a/base/unixansi.mak
+++ b/base/unixansi.mak
@@ -337,11 +337,6 @@ BAND_LIST_COMPRESSOR=zlib
 
 FILE_IMPLEMENTATION=stdio
 
-# Choose the implementation of stdio: '' for file I/O and 'c' for callouts
-# See gs.mak and ziodevs.c/ziodevsc.c for more details.
-
-STDIO_IMPLEMENTATION=c
-
 # Choose the device(s) to include.  See devs.mak for details,
 # devs.mak and contrib.mak for the list of available devices.