File ds9.patch of Package ds9

diff -ur SAOImageDS9.orig/ast/Makefile.am SAOImageDS9/ast/Makefile.am
--- SAOImageDS9.orig/ast/Makefile.am	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/ast/Makefile.am	2025-07-03 14:27:23.238740379 +0200
@@ -1,5 +1,7 @@
 ## Process this file with automake to produce Makefile.in
 
+AM_CFLAGS = -std=gnu11
+
 # First declare various groups of files.  These were initially extracted
 # from the grp.make file, as constructed by the SDT newdev command
 GRP_C_ROUTINES = \
diff -ur SAOImageDS9.orig/ast/Makefile.in SAOImageDS9/ast/Makefile.in
--- SAOImageDS9.orig/ast/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/ast/Makefile.in	2025-07-03 14:36:07.365054500 +0200
@@ -762,7 +762,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
 CYGPATH_W = @CYGPATH_W@
diff -ur SAOImageDS9.orig/ast/src/channel.h SAOImageDS9/ast/src/channel.h
--- SAOImageDS9.orig/ast/src/channel.h	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/ast/src/channel.h	2025-07-03 14:37:44.246240915 +0200
@@ -455,7 +455,7 @@
 struct AstKeyMap *astWarnings_( AstChannel *, int * );
 
 char *astSourceWrap_( const char *(*)( void ), int * );
-void astSinkWrap_( void (*)( const char * ), const char *, int * );
+void astSinkWrap_( void (*)( const char * ), const char *, int * ) __attribute__((nonnull (1)));
 
 # if defined(astCLASS)           /* Protected */
 void astStoreChannelData_( AstChannel *, int * );
diff -ur SAOImageDS9.orig/ast/src/plot.h SAOImageDS9/ast/src/plot.h
--- SAOImageDS9.orig/ast/src/plot.h	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/ast/src/plot.h	2025-07-03 11:21:37.479976622 +0200
@@ -696,7 +696,7 @@
 #if defined(astCLASS)            /* Protected. */
 AstPlot *astPlot_( void *, const float *, const double *, const char *, int *, ...);
 #else
-AstPlot *astPlotId_( void *, const float [], const double [], const char *, ... )__attribute__((format(printf,4,5)));
+AstPlot *astPlotId_( void *, const float [], const double [], const char *, ... );
 #endif
 
 #if defined(astCLASS)            /* Protected */
diff -ur SAOImageDS9.orig/ast/src/xmlchan.c SAOImageDS9/ast/src/xmlchan.c
--- SAOImageDS9.orig/ast/src/xmlchan.c	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/ast/src/xmlchan.c	2025-07-03 11:55:38.715770093 +0200
@@ -2425,8 +2425,8 @@
    int i;                        /* Loop count */
 
 /* Define the recognised true and false strings. */
-   const char *true[ 5 ] = { "true", "TRUE", "yes", "YES", "1" };
-   const char *false[ 5 ] = { "false", "FALSE", "no", "NO", "0" };
+   const char *tru[ 5 ] = { "true", "TRUE", "yes", "YES", "1" };
+   const char *fals[ 5 ] = { "false", "FALSE", "no", "NO", "0" };
 
 /* Initialise. */
    result = def;
@@ -2447,7 +2447,7 @@
 /* See if the attribute value is equal to (or an abbreviation of) any of
    the true strings. */
       for( i = 0; i < 5; i++ ) {
-         if( strstr( true[ i ], value ) == true[ i ] ) {
+         if( strstr( tru[ i ], value ) == tru[ i ] ) {
             result = 1;
             break;
          }
@@ -2457,7 +2457,7 @@
    of the false strings. */
       if( result == -1 ) {
          for( i = 0; i < 5; i++ ) {
-            if( strstr( false[ i ], value ) == false[ i ] ) {
+            if( strstr( fals[ i ], value ) == fals[ i ] ) {
                result = 0;
                break;
             }
diff -ur SAOImageDS9.orig/ds9/macos/Makefile.in SAOImageDS9/ds9/macos/Makefile.in
--- SAOImageDS9.orig/ds9/macos/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/ds9/macos/Makefile.in	2025-07-03 15:42:58.967681633 +0200
@@ -59,7 +59,7 @@
 
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@ @XML2_LIBS@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/ds9/unix/Makefile.in SAOImageDS9/ds9/unix/Makefile.in
--- SAOImageDS9.orig/ds9/unix/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/ds9/unix/Makefile.in	2025-07-03 15:45:08.089289257 +0200
@@ -59,7 +59,7 @@
 
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@ @XML2_LIBS@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/ds9/win/Makefile.in SAOImageDS9/ds9/win/Makefile.in
--- SAOImageDS9.orig/ds9/win/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/ds9/win/Makefile.in	2025-07-03 15:42:52.819605085 +0200
@@ -60,7 +60,7 @@
 
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@ @XML2_LIBS@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)
Only in SAOImageDS9: ds9.patch
diff -ur SAOImageDS9.orig/fitsy/Makefile.in SAOImageDS9/fitsy/Makefile.in
--- SAOImageDS9.orig/fitsy/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/fitsy/Makefile.in	2025-07-03 15:41:45.986772952 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/fitsy/compress.C SAOImageDS9/fitsy/compress.C
--- SAOImageDS9.orig/fitsy/compress.C	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/fitsy/compress.C	2025-07-03 11:23:40.841432401 +0200
@@ -657,6 +657,8 @@
   case SUBDITHER1:
   case SUBDITHER2:
     return unquantize(*ptr,zs,zz);
+  default:
+    return NAN ;
   }
 }
 
@@ -676,6 +678,8 @@
   case SUBDITHER1:
   case SUBDITHER2:
     return unquantize(*ptr,zs,zz);
+  default:
+    return NAN ;
   }
 }
 
@@ -703,6 +707,8 @@
   case SUBDITHER1:
   case SUBDITHER2:
     return unquantize(*ptr,zs,zz);
+  default:
+    return NAN ;
   }
 }
 
@@ -722,6 +728,8 @@
   case SUBDITHER1:
   case SUBDITHER2:
     return unquantize(*ptr,zs,zz);
+  default:
+    return NAN ;
   }
 }
 
@@ -750,6 +758,8 @@
     return unquantize(*ptr,zs,zz);
   case SUBDITHER2:
     return unquantizeZero(*ptr,zs,zz);
+  default:
+    return NAN ;
   }
 }
 
@@ -770,6 +780,8 @@
     return unquantize(*ptr,zs,zz);
   case SUBDITHER2:
     return unquantizeZero(*ptr,zs,zz);
+  default:
+    return NAN ;
   }
 }
 
@@ -798,6 +810,8 @@
     return unquantize(*ptr,zs,zz);
   case SUBDITHER2:
     return unquantizeZero(*ptr,zs,zz);
+  default:
+    return NAN ;
   }
 }
 
@@ -818,6 +832,8 @@
     return unquantize(*ptr,zs,zz);
   case SUBDITHER2:
     return unquantizeZero(*ptr,zs,zz);
+  default:
+    return NAN ;
   }
 }
 
diff -ur SAOImageDS9.orig/funtools/Makefile.in SAOImageDS9/funtools/Makefile.in
--- SAOImageDS9.orig/funtools/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/funtools/Makefile.in	2025-07-03 15:46:16.538141287 +0200
@@ -79,7 +79,7 @@
 
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
-CFLAGS = 		@CFLAGS@
+CFLAGS = 		@CFLAGS@ -std=gnu11
 
 # To add ld switches, change the following line:
 LDFLAGS =		@LDFLAGS@
diff -ur SAOImageDS9.orig/funtools/faq/Makefile.in SAOImageDS9/funtools/faq/Makefile.in
--- SAOImageDS9.orig/funtools/faq/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/funtools/faq/Makefile.in	2025-07-03 15:46:28.418289169 +0200
@@ -40,7 +40,7 @@
 
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
-CFLAGS = 		@CFLAGS@
+CFLAGS = 		@CFLAGS@ -std=gnu11
 
 # To add ld switches, change the following line:
 LDFLAGS =		@LDFLAGS@
diff -ur SAOImageDS9.orig/funtools/filter/Makefile.in SAOImageDS9/funtools/filter/Makefile.in
--- SAOImageDS9.orig/funtools/filter/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/funtools/filter/Makefile.in	2025-07-03 15:46:51.194572699 +0200
@@ -69,7 +69,7 @@
 
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
-CFLAGS = 		@CFLAGS@
+CFLAGS = 		@CFLAGS@ -std=gnu11
 
 # To add ld switches, change the following line:
 LDFLAGS =		@LDFLAGS@
diff -ur SAOImageDS9.orig/funtools/fitsy/Makefile.in SAOImageDS9/funtools/fitsy/Makefile.in
--- SAOImageDS9.orig/funtools/fitsy/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/funtools/fitsy/Makefile.in	2025-07-03 15:46:11.026072674 +0200
@@ -63,7 +63,7 @@
 #CFLAGS = -g
 # CFLAGS = @CFLAGS@
 #CFLAGS = -ansi -pedantic -Wimplicit -Wreturn-type -Wunused -Wformat -Wuninitialized -Wshadow -Wpointer-arith -Wcast-align -Wwrite-strings -Wconversion -Waggregate-return -Werror
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 LDFLAGS = @LDFLAGS@
 YACC = @YACC@
 
diff -ur SAOImageDS9.orig/funtools/funtest/Makefile.in SAOImageDS9/funtools/funtest/Makefile.in
--- SAOImageDS9.orig/funtools/funtest/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/funtools/funtest/Makefile.in	2025-07-03 15:46:36.610391143 +0200
@@ -40,7 +40,7 @@
 
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
-CFLAGS = 		@CFLAGS@
+CFLAGS = 		@CFLAGS@ -std=gnu11
 
 # To add ld switches, change the following line:
 LDFLAGS =		@LDFLAGS@
diff -ur SAOImageDS9.orig/funtools/util/Makefile.in SAOImageDS9/funtools/util/Makefile.in
--- SAOImageDS9.orig/funtools/util/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/funtools/util/Makefile.in	2025-07-03 15:46:23.498227925 +0200
@@ -66,7 +66,7 @@
 
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
-CFLAGS = 		@CFLAGS@
+CFLAGS = 		@CFLAGS@ -std=gnu11
 
 # To add ld switches, change the following line:
 LDFLAGS =		@LDFLAGS@
diff -ur SAOImageDS9.orig/funtools/wcs/Makefile.in SAOImageDS9/funtools/wcs/Makefile.in
--- SAOImageDS9.orig/funtools/wcs/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/funtools/wcs/Makefile.in	2025-07-03 15:46:45.178497808 +0200
@@ -47,7 +47,7 @@
 
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
-CFLAGS = 		@CFLAGS@
+CFLAGS = 		@CFLAGS@ -std=gnu11
 
 # To add ld switches, change the following line:
 LDFLAGS =		@LDFLAGS@
diff -ur SAOImageDS9.orig/make.include SAOImageDS9/make.include
--- SAOImageDS9.orig/make.include	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/make.include	2025-07-03 11:24:49.042237220 +0200
@@ -412,8 +412,8 @@
 	@echo "*** $@ ***"
 	$(MAKE) -C ast -j ast.h
 	cp ast/ast.h $(includedir)/.
-	cp ast/grf.h $(includedir)/.
-	cp ast/grf3d.h $(includedir)/.
+	cp ast/src/grf.h $(includedir)/.
+	cp ast/src/grf3d.h $(includedir)/.
 
 ast/.libs/libast_err.a :
 	@echo ""
diff -ur SAOImageDS9.orig/tcl8.6/pkgs/itcl4.3.0/Makefile.in SAOImageDS9/tcl8.6/pkgs/itcl4.3.0/Makefile.in
--- SAOImageDS9.orig/tcl8.6/pkgs/itcl4.3.0/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tcl8.6/pkgs/itcl4.3.0/Makefile.in	2025-07-03 15:52:44.254967367 +0200
@@ -175,7 +175,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 GDB		= gdb
diff -ur SAOImageDS9.orig/tcl8.6/pkgs/sqlite3.45.3/Makefile.in SAOImageDS9/tcl8.6/pkgs/sqlite3.45.3/Makefile.in
--- SAOImageDS9.orig/tcl8.6/pkgs/sqlite3.45.3/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tcl8.6/pkgs/sqlite3.45.3/Makefile.in	2025-07-03 15:52:49.551033278 +0200
@@ -171,7 +171,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 LDFLAGS		= @LDFLAGS@
 LDFLAGS_DEFAULT			= @LDFLAGS_DEFAULT@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
diff -ur SAOImageDS9.orig/tcl8.6/pkgs/tdbc1.1.9/Makefile.in SAOImageDS9/tcl8.6/pkgs/tdbc1.1.9/Makefile.in
--- SAOImageDS9.orig/tcl8.6/pkgs/tdbc1.1.9/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tcl8.6/pkgs/tdbc1.1.9/Makefile.in	2025-07-03 15:53:02.271191576 +0200
@@ -167,7 +167,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 LDFLAGS		= @LDFLAGS@
 LDFLAGS_DEFAULT			= @LDFLAGS_DEFAULT@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
diff -ur SAOImageDS9.orig/tcl8.6/pkgs/tdbcmysql1.1.9/Makefile.in SAOImageDS9/tcl8.6/pkgs/tdbcmysql1.1.9/Makefile.in
--- SAOImageDS9.orig/tcl8.6/pkgs/tdbcmysql1.1.9/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tcl8.6/pkgs/tdbcmysql1.1.9/Makefile.in	2025-07-03 15:52:27.834763019 +0200
@@ -175,7 +175,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 LDFLAGS		= @LDFLAGS@
 LDFLAGS_DEFAULT			= @LDFLAGS_DEFAULT@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
diff -ur SAOImageDS9.orig/tcl8.6/pkgs/tdbcodbc1.1.9/Makefile.in SAOImageDS9/tcl8.6/pkgs/tdbcodbc1.1.9/Makefile.in
--- SAOImageDS9.orig/tcl8.6/pkgs/tdbcodbc1.1.9/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tcl8.6/pkgs/tdbcodbc1.1.9/Makefile.in	2025-07-03 15:52:57.479131942 +0200
@@ -175,7 +175,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 LDFLAGS		= @LDFLAGS@
 LDFLAGS_DEFAULT			= @LDFLAGS_DEFAULT@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
diff -ur SAOImageDS9.orig/tcl8.6/pkgs/tdbcpostgres1.1.9/Makefile.in SAOImageDS9/tcl8.6/pkgs/tdbcpostgres1.1.9/Makefile.in
--- SAOImageDS9.orig/tcl8.6/pkgs/tdbcpostgres1.1.9/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tcl8.6/pkgs/tdbcpostgres1.1.9/Makefile.in	2025-07-03 15:52:34.790849576 +0200
@@ -175,7 +175,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 LDFLAGS		= @LDFLAGS@
 LDFLAGS_DEFAULT			= @LDFLAGS_DEFAULT@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
diff -ur SAOImageDS9.orig/tcl8.6/pkgs/tdbcsqlite3-1.1.9/Makefile.in SAOImageDS9/tcl8.6/pkgs/tdbcsqlite3-1.1.9/Makefile.in
--- SAOImageDS9.orig/tcl8.6/pkgs/tdbcsqlite3-1.1.9/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tcl8.6/pkgs/tdbcsqlite3-1.1.9/Makefile.in	2025-07-03 15:52:21.538684669 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 GDB		= gdb
diff -ur SAOImageDS9.orig/tcl8.6/pkgs/thread2.8.10/Makefile.in SAOImageDS9/tcl8.6/pkgs/thread2.8.10/Makefile.in
--- SAOImageDS9.orig/tcl8.6/pkgs/thread2.8.10/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tcl8.6/pkgs/thread2.8.10/Makefile.in	2025-07-03 15:52:39.390906827 +0200
@@ -167,7 +167,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 LDFLAGS		= @LDFLAGS@
 LDFLAGS_DEFAULT			= @LDFLAGS_DEFAULT@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
diff -ur SAOImageDS9.orig/tclfitsy/Makefile.in SAOImageDS9/tclfitsy/Makefile.in
--- SAOImageDS9.orig/tclfitsy/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tclfitsy/Makefile.in	2025-07-03 15:42:30.435326377 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/tclsignal/Makefile.in SAOImageDS9/tclsignal/Makefile.in
--- SAOImageDS9.orig/tclsignal/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tclsignal/Makefile.in	2025-07-03 15:45:14.345367128 +0200
@@ -164,7 +164,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
 			  $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 
diff -ur SAOImageDS9.orig/tclxml/Makefile.in SAOImageDS9/tclxml/Makefile.in
--- SAOImageDS9.orig/tclxml/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tclxml/Makefile.in	2025-07-03 15:45:47.985785866 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@ @XML2_LIBS@ @XSLT_LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
 			  $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 
diff -ur SAOImageDS9.orig/tclxmlrpc/Makefile.in SAOImageDS9/tclxmlrpc/Makefile.in
--- SAOImageDS9.orig/tclxmlrpc/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tclxmlrpc/Makefile.in	2025-07-03 15:45:30.993574354 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/tclzipfs/Makefile.in SAOImageDS9/tclzipfs/Makefile.in
--- SAOImageDS9.orig/tclzipfs/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tclzipfs/Makefile.in	2025-07-03 15:46:02.465966116 +0200
@@ -164,7 +164,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
 			  $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 
diff -ur SAOImageDS9.orig/tclzipfs/tclZipfs.c SAOImageDS9/tclzipfs/tclZipfs.c
--- SAOImageDS9.orig/tclzipfs/tclZipfs.c	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tclzipfs/tclZipfs.c	2025-07-03 11:39:26.360531396 +0200
@@ -35,6 +35,7 @@
 
 #ifdef HAVE_ZLIB
 #include "zlib.h"
+#include "zconf.h"
 
 /*
 #ifdef Z_U4
diff -ur SAOImageDS9.orig/tkagif/Makefile.in SAOImageDS9/tkagif/Makefile.in
--- SAOImageDS9.orig/tkagif/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkagif/Makefile.in	2025-07-03 15:45:24.201489808 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/tkblt/Makefile.in SAOImageDS9/tkblt/Makefile.in
--- SAOImageDS9.orig/tkblt/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkblt/Makefile.in	2025-07-03 15:45:57.273901485 +0200
@@ -166,7 +166,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/tkcon/Makefile.in SAOImageDS9/tkcon/Makefile.in
--- SAOImageDS9.orig/tkcon/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkcon/Makefile.in	2025-07-03 15:42:16.251149767 +0200
@@ -164,7 +164,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
 			  $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 
diff -ur SAOImageDS9.orig/tkhtml1/Makefile.in SAOImageDS9/tkhtml1/Makefile.in
--- SAOImageDS9.orig/tkhtml1/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkhtml1/Makefile.in	2025-07-03 15:42:04.683005735 +0200
@@ -164,7 +164,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
 			  $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 
diff -ur SAOImageDS9.orig/tkimg/bmp/Makefile.in SAOImageDS9/tkimg/bmp/Makefile.in
--- SAOImageDS9.orig/tkimg/bmp/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/bmp/Makefile.in	2025-07-03 15:50:46.561502345 +0200
@@ -170,7 +170,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 .SUFFIXES: .c .$(OBJEXT)
diff -ur SAOImageDS9.orig/tkimg/compat/libjpeg/Makefile.in SAOImageDS9/tkimg/compat/libjpeg/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libjpeg/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libjpeg/Makefile.in	2025-07-03 15:50:14.009097119 +0200
@@ -298,7 +298,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
 CYGPATH_W = @CYGPATH_W@
diff -ur SAOImageDS9.orig/tkimg/compat/libpng/Makefile.in SAOImageDS9/tkimg/compat/libpng/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libpng/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libpng/Makefile.in	2025-07-03 15:48:21.799700404 +0200
@@ -571,7 +571,7 @@
 CCASDEPMODE = @CCASDEPMODE@
 CCASFLAGS = @CCASFLAGS@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
 CYGPATH_W = @CYGPATH_W@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/Makefile.in SAOImageDS9/tkimg/compat/libtiff/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/Makefile.in	2025-07-03 15:48:32.243830402 +0200
@@ -275,7 +275,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/build/Makefile.in SAOImageDS9/tkimg/compat/libtiff/build/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/build/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/build/Makefile.in	2025-07-03 15:48:40.071927839 +0200
@@ -220,7 +220,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/Makefile.in	2025-07-03 15:49:33.800596601 +0200
@@ -219,7 +219,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/addtiffo/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/addtiffo/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/addtiffo/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/addtiffo/Makefile.in	2025-07-03 15:49:37.128638027 +0200
@@ -213,7 +213,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/dbs/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/dbs/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/dbs/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/dbs/Makefile.in	2025-07-03 15:49:25.576494235 +0200
@@ -267,7 +267,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/dbs/xtiff/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/dbs/xtiff/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/dbs/xtiff/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/dbs/xtiff/Makefile.in	2025-07-03 15:49:30.152551191 +0200
@@ -162,7 +162,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/iptcutil/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/iptcutil/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/iptcutil/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/iptcutil/Makefile.in	2025-07-03 15:49:52.864833906 +0200
@@ -211,7 +211,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/mfs/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/mfs/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/mfs/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/mfs/Makefile.in	2025-07-03 15:49:59.920921740 +0200
@@ -159,7 +159,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/pds/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/pds/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/pds/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/pds/Makefile.in	2025-07-03 15:49:48.088774454 +0200
@@ -159,7 +159,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/ras/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/ras/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/ras/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/ras/Makefile.in	2025-07-03 15:49:44.536730238 +0200
@@ -159,7 +159,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/stream/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/stream/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/stream/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/stream/Makefile.in	2025-07-03 15:49:56.464878716 +0200
@@ -159,7 +159,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/tags/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/tags/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/tags/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/tags/Makefile.in	2025-07-03 15:49:41.072687117 +0200
@@ -159,7 +159,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/contrib/win_dib/Makefile.in SAOImageDS9/tkimg/compat/libtiff/contrib/win_dib/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/contrib/win_dib/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/contrib/win_dib/Makefile.in	2025-07-03 15:50:03.248963168 +0200
@@ -159,7 +159,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/html/Makefile.in SAOImageDS9/tkimg/compat/libtiff/html/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/html/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/html/Makefile.in	2025-07-03 15:48:53.728097815 +0200
@@ -251,7 +251,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/html/images/Makefile.in SAOImageDS9/tkimg/compat/libtiff/html/images/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/html/images/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/html/images/Makefile.in	2025-07-03 15:49:02.568207842 +0200
@@ -190,7 +190,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/html/man/Makefile.in SAOImageDS9/tkimg/compat/libtiff/html/man/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/html/man/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/html/man/Makefile.in	2025-07-03 15:48:57.928150091 +0200
@@ -190,7 +190,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/libtiff/Makefile.am SAOImageDS9/tkimg/compat/libtiff/libtiff/Makefile.am
--- SAOImageDS9.orig/tkimg/compat/libtiff/libtiff/Makefile.am	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/libtiff/Makefile.am	2025-07-03 11:26:51.711680466 +0200
@@ -151,6 +151,8 @@
 mkg3states_SOURCES = mkg3states.c tif_fax3.h
 mkg3states_LDADD = $(LIBPORT)
 
+BUILT_SOURCES = tif_config.h
+
 faxtable: mkg3states
 	(rm -f tif_fax3sm.c && ./mkg3states -b -c const tif_fax3sm.c)
 
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/libtiff/Makefile.in SAOImageDS9/tkimg/compat/libtiff/libtiff/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/libtiff/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/libtiff/Makefile.in	2025-07-03 15:50:07.273013265 +0200
@@ -335,7 +335,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/man/Makefile.in SAOImageDS9/tkimg/compat/libtiff/man/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/man/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/man/Makefile.in	2025-07-03 15:48:48.904037771 +0200
@@ -192,7 +192,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/port/Makefile.in SAOImageDS9/tkimg/compat/libtiff/port/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/port/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/port/Makefile.in	2025-07-03 15:50:10.401052205 +0200
@@ -215,7 +215,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/test/Makefile.in SAOImageDS9/tkimg/compat/libtiff/test/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/test/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/test/Makefile.in	2025-07-03 15:49:21.696445936 +0200
@@ -516,7 +516,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/compat/libtiff/tools/Makefile.in SAOImageDS9/tkimg/compat/libtiff/tools/Makefile.in
--- SAOImageDS9.orig/tkimg/compat/libtiff/tools/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/compat/libtiff/tools/Makefile.in	2025-07-03 15:48:44.727985793 +0200
@@ -309,7 +309,7 @@
 AWK = @AWK@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
+CFLAGS = @CFLAGS@ -std=gnu11
 CMAKE = @CMAKE@
 CPP = @CPP@
 CPPFLAGS = @CPPFLAGS@
diff -ur SAOImageDS9.orig/tkimg/dted/Makefile.in SAOImageDS9/tkimg/dted/Makefile.in
--- SAOImageDS9.orig/tkimg/dted/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/dted/Makefile.in	2025-07-03 15:51:07.001756801 +0200
@@ -170,7 +170,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 .SUFFIXES: .c .$(OBJEXT)
diff -ur SAOImageDS9.orig/tkimg/flir/Makefile.in SAOImageDS9/tkimg/flir/Makefile.in
--- SAOImageDS9.orig/tkimg/flir/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/flir/Makefile.in	2025-07-03 15:50:41.737442289 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/genConfigureFiles.sh SAOImageDS9/tkimg/genConfigureFiles.sh
--- SAOImageDS9.orig/tkimg/genConfigureFiles.sh	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/genConfigureFiles.sh	2025-07-03 11:28:11.720618857 +0200
@@ -1,26 +1,26 @@
 #!/bin/sh
-autoconf ; rm -r autom4te.cache
-pushd base   ; autoconf ; rm -r autom4te.cache ; popd
-pushd bmp    ; autoconf ; rm -r autom4te.cache ; popd
-pushd dted   ; autoconf ; rm -r autom4te.cache ; popd
-pushd flir   ; autoconf ; rm -r autom4te.cache ; popd
-pushd gif    ; autoconf ; rm -r autom4te.cache ; popd
-pushd ico    ; autoconf ; rm -r autom4te.cache ; popd
-pushd jpeg   ; autoconf ; rm -r autom4te.cache ; popd
-pushd libjpeg; autoconf ; rm -r autom4te.cache ; popd
-pushd libpng ; autoconf ; rm -r autom4te.cache ; popd
-pushd libtiff; autoconf ; rm -r autom4te.cache ; popd
-pushd pcx    ; autoconf ; rm -r autom4te.cache ; popd
-pushd pixmap ; autoconf ; rm -r autom4te.cache ; popd
-pushd png    ; autoconf ; rm -r autom4te.cache ; popd
-pushd ppm    ; autoconf ; rm -r autom4te.cache ; popd
-pushd ps     ; autoconf ; rm -r autom4te.cache ; popd
-pushd raw    ; autoconf ; rm -r autom4te.cache ; popd
-pushd sgi    ; autoconf ; rm -r autom4te.cache ; popd
-pushd sun    ; autoconf ; rm -r autom4te.cache ; popd
-pushd tga    ; autoconf ; rm -r autom4te.cache ; popd
-pushd tiff   ; autoconf ; rm -r autom4te.cache ; popd
-pushd window ; autoconf ; rm -r autom4te.cache ; popd
-pushd xbm    ; autoconf ; rm -r autom4te.cache ; popd
-pushd xpm    ; autoconf ; rm -r autom4te.cache ; popd
-pushd zlib   ; autoconf ; rm -r autom4te.cache ; popd
+autoreconf -i -f -s ; rm -r autom4te.cache
+pushd base   ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd bmp    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd dted   ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd flir   ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd gif    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd ico    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd jpeg   ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd libjpeg; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd libpng ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd libtiff; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd pcx    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd pixmap ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd png    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd ppm    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd ps     ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd raw    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd sgi    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd sun    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd tga    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd tiff   ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd window ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd xbm    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd xpm    ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
+pushd zlib   ; autoreconf -i -f -s ; rm -r autom4te.cache ; popd
diff -ur SAOImageDS9.orig/tkimg/gif/Makefile.in SAOImageDS9/tkimg/gif/Makefile.in
--- SAOImageDS9.orig/tkimg/gif/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/gif/Makefile.in	2025-07-03 15:47:40.199182647 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/ico/Makefile.in SAOImageDS9/tkimg/ico/Makefile.in
--- SAOImageDS9.orig/tkimg/ico/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/ico/Makefile.in	2025-07-03 15:51:47.442260239 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/jpeg/Makefile.in SAOImageDS9/tkimg/jpeg/Makefile.in
--- SAOImageDS9.orig/tkimg/jpeg/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/jpeg/Makefile.in	2025-07-03 15:50:30.689304760 +0200
@@ -173,7 +173,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/libjpeg/Makefile.in SAOImageDS9/tkimg/libjpeg/Makefile.in
--- SAOImageDS9.orig/tkimg/libjpeg/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/libjpeg/Makefile.in	2025-07-03 15:51:37.290133866 +0200
@@ -151,7 +151,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@ -DJPEGTCLAPI=MODULE_SCOPE -I$(srcdir)/../base
+CFLAGS		= @CFLAGS@ -DJPEGTCLAPI=MODULE_SCOPE -I$(srcdir)/../base -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/libpng/Makefile.in SAOImageDS9/tkimg/libpng/Makefile.in
--- SAOImageDS9.orig/tkimg/libpng/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/libpng/Makefile.in	2025-07-03 11:29:15.273364240 +0200
@@ -158,6 +158,8 @@
 CFLAGS		= @CFLAGS@ -DPNG_IMPEXP=MODULE_SCOPE -DPNG_EXTERN=MODULE_SCOPE
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
+BUILT_SOURCES = pnglibconf.h
+
 #========================================================================
 # Start of user-definable TARGETS section
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/pcx/Makefile.in SAOImageDS9/tkimg/pcx/Makefile.in
--- SAOImageDS9.orig/tkimg/pcx/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/pcx/Makefile.in	2025-07-03 15:51:16.561875812 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/pixmap/Makefile.in SAOImageDS9/tkimg/pixmap/Makefile.in
--- SAOImageDS9.orig/tkimg/pixmap/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/pixmap/Makefile.in	2025-07-03 15:50:19.865170018 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@ @TK_LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/png/Makefile.in SAOImageDS9/tkimg/png/Makefile.in
--- SAOImageDS9.orig/tkimg/png/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/png/Makefile.in	2025-07-03 15:47:52.135331195 +0200
@@ -177,7 +177,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/ppm/Makefile.in SAOImageDS9/tkimg/ppm/Makefile.in
--- SAOImageDS9.orig/tkimg/ppm/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/ppm/Makefile.in	2025-07-03 15:48:11.367570570 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/ps/Makefile.in SAOImageDS9/tkimg/ps/Makefile.in
--- SAOImageDS9.orig/tkimg/ps/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/ps/Makefile.in	2025-07-03 15:50:36.273374272 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/raw/Makefile.in SAOImageDS9/tkimg/raw/Makefile.in
--- SAOImageDS9.orig/tkimg/raw/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/raw/Makefile.in	2025-07-03 15:50:51.441563098 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/sgi/Makefile.in SAOImageDS9/tkimg/sgi/Makefile.in
--- SAOImageDS9.orig/tkimg/sgi/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/sgi/Makefile.in	2025-07-03 15:47:58.671412545 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/sun/Makefile.in SAOImageDS9/tkimg/sun/Makefile.in
--- SAOImageDS9.orig/tkimg/sun/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/sun/Makefile.in	2025-07-03 15:51:11.769816157 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/tga/Makefile.in SAOImageDS9/tkimg/tga/Makefile.in
--- SAOImageDS9.orig/tkimg/tga/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/tga/Makefile.in	2025-07-03 15:51:41.930191631 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/tiff/Makefile.in SAOImageDS9/tkimg/tiff/Makefile.in
--- SAOImageDS9.orig/tkimg/tiff/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/tiff/Makefile.in	2025-07-03 15:51:24.705977200 +0200
@@ -181,7 +181,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/window/Makefile.in SAOImageDS9/tkimg/window/Makefile.in
--- SAOImageDS9.orig/tkimg/window/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/window/Makefile.in	2025-07-03 15:51:30.578050306 +0200
@@ -172,7 +172,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@ @TK_LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/xbm/Makefile.in SAOImageDS9/tkimg/xbm/Makefile.in
--- SAOImageDS9.orig/tkimg/xbm/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/xbm/Makefile.in	2025-07-03 15:47:32.119082078 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkimg/xpm/Makefile.in SAOImageDS9/tkimg/xpm/Makefile.in
--- SAOImageDS9.orig/tkimg/xpm/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkimg/xpm/Makefile.in	2025-07-03 15:51:02.201697044 +0200
@@ -169,7 +169,7 @@
 CPPFLAGS	= @CPPFLAGS@ -DPACKAGE_TCLNAME=\"$(PACKAGE_TCLNAME)\"
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 
 #========================================================================
diff -ur SAOImageDS9.orig/tkmacosx/Makefile.in SAOImageDS9/tkmacosx/Makefile.in
--- SAOImageDS9.orig/tkmacosx/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkmacosx/Makefile.in	2025-07-03 15:47:25.679001925 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/tkmpeg/Makefile.in SAOImageDS9/tkmpeg/Makefile.in
--- SAOImageDS9.orig/tkmpeg/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkmpeg/Makefile.in	2025-07-03 15:45:39.065674837 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/tksao/Makefile.in SAOImageDS9/tksao/Makefile.in
--- SAOImageDS9.orig/tksao/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tksao/Makefile.in	2025-07-03 15:30:49.158451453 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@ @XML2_LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/tksao/frame/context.C SAOImageDS9/tksao/frame/context.C
--- SAOImageDS9.orig/tksao/frame/context.C	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tksao/frame/context.C	2025-07-03 11:32:13.987460289 +0200
@@ -322,6 +322,7 @@
     frScale.histogram(fits,num);
     break;
   case FrScale::LOCAL:
+  default:
     frScale.histogram(cfits,num);
     break;
   }
@@ -404,6 +405,7 @@
   case FrScale::GLOBAL:
     break;
   case FrScale::LOCAL:
+  default:
     updateClip(fvcontour_.frScale());
     break;
   }
@@ -738,6 +740,7 @@
   switch (which) {
   case FrScale::IMGSEC:
   case FrScale::DATASEC:
+  default:
     return &iparams;
   case FrScale::CROPSEC:
     return &cparams;
diff -ur SAOImageDS9.orig/tksao/frame/fitsdata.C SAOImageDS9/tksao/frame/fitsdata.C
--- SAOImageDS9.orig/tksao/frame/fitsdata.C	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tksao/frame/fitsdata.C	2025-07-03 11:33:52.416614710 +0200
@@ -151,6 +151,7 @@
   case FrScale::SCAN:
   case FrScale::DATAMIN:
   case FrScale::IRAFMIN:
+  default:
     return 1;
   case FrScale::SAMPLE:
     return minmaxSample_;
@@ -201,6 +202,7 @@
   switch (minmaxMode_) {
   case FrScale::SCAN:
   case FrScale::SAMPLE:
+  default:
     str << min_ << ends;
     break;
 
@@ -245,6 +247,7 @@
   switch (minmaxMode_) {
   case FrScale::SCAN:
   case FrScale::SAMPLE:
+  default:
     str << max_ << ends;
     break;
 
@@ -288,6 +291,7 @@
   switch (minmaxMode_) {
   case FrScale::SCAN:
   case FrScale::SAMPLE:
+  default:
     return min_;
 
   case FrScale::DATAMIN:
@@ -309,6 +313,7 @@
   switch (minmaxMode_) {
   case FrScale::SCAN:
   case FrScale::SAMPLE:
+  default:
     return max_;
 
   case FrScale::DATAMIN:
@@ -1012,6 +1017,7 @@
 
   switch (clipMode_) {
   case FrScale::MINMAX:
+  default:
     low_ = min();
     high_ = max();
     break;
diff -ur SAOImageDS9.orig/tksao/frame/frmap.C SAOImageDS9/tksao/frame/frmap.C
--- SAOImageDS9.orig/tksao/frame/frmap.C	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tksao/frame/frmap.C	2025-07-03 11:34:57.685380223 +0200
@@ -86,6 +86,7 @@
 {
   switch (sys) {
   case Coord::REF:
+  default:
     return vv;
   case Coord::USER:
     return vv * refToUser;
@@ -109,6 +110,7 @@
 {
   switch (sys) {
   case Coord::REF:
+  default:
     return vv;
   case Coord::USER:
     return vv * userToRef;
diff -ur SAOImageDS9.orig/tksao/frame/marker.C SAOImageDS9/tksao/frame/marker.C
--- SAOImageDS9.orig/tksao/frame/marker.C	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tksao/frame/marker.C	2025-07-03 11:36:34.174511895 +0200
@@ -278,6 +278,7 @@
     GC lgc;
     switch (mode) {
     case SRC:
+    default:
       lgc = gc;
       XSetForeground(display, gc, color);
       break;
@@ -343,6 +344,7 @@
   // set width, color, dash
   switch (mode) {
   case SRC:
+  default:
     XSetForeground(display, gc, color); 
     if ((properties & SOURCE) && !(properties & DASH))
       renderXLineNoDash(gc);
@@ -1075,6 +1077,7 @@
   switch (parent->getOrientation()) {
   case Coord::NORMAL:
   case Coord::XY:
+  default:
     return angle + parent->getRotation();
   case Coord::XX:
   case Coord::YY:
@@ -1100,6 +1103,7 @@
 {
   switch (parent->frameType()) {
   case Base::F2D:
+  default:
     return arrow2D(p1,p2,sys);
   case Base::F3D:
     return arrow3D(p1,p2,sys);
diff -ur SAOImageDS9.orig/tksao/frame/projection.C SAOImageDS9/tksao/frame/projection.C
--- SAOImageDS9.orig/tksao/frame/projection.C	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tksao/frame/projection.C	2025-07-03 11:37:18.443031096 +0200
@@ -65,6 +65,7 @@
   // set width, color, dash
   switch (mode) {
   case SRC:
+  default:
     XSetForeground(display, gc, color); 
     renderXLineNoDash(gc);
     return gc;
@@ -195,6 +196,7 @@
 {
   switch (h) {
   case 1:
+  default:
     p1 = v;
     break;
   case 2:
diff -ur SAOImageDS9.orig/tksao/iis/iis.c SAOImageDS9/tksao/iis/iis.c
--- SAOImageDS9.orig/tksao/iis/iis.c	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tksao/iis/iis.c	2025-07-03 15:28:21.748545256 +0200
@@ -101,13 +101,13 @@
 static void xim_connectClient(), xim_disconnectClient();
 static int chan_read(), chan_write(), decode_frameno();
 
-static CtranPtr wcs_update();
-static IoChanPtr open_fifo();
-static IoChanPtr open_inet();
+static CtranPtr wcs_update(XimDataPtr xim, FrameBufPtr fr) ;
+static IoChanPtr open_fifo(XimDataPtr xim) ;
+static IoChanPtr open_inet(XimDataPtr xim) ;
 #ifdef HAVE_SYS_UN_H
-static IoChanPtr open_unix();
+static IoChanPtr open_unix(XimDataPtr xim) ;
 #endif
-static IoChanPtr get_iochan();
+static IoChanPtr get_iochan(XimDataPtr xim) ;
 static MappingPtr xim_getMapping(XimDataPtr, float, float, int);
 static void print_mappings(FrameBufPtr fr);
 #ifndef __WIN32
diff -ur SAOImageDS9.orig/tksvg/Makefile.in SAOImageDS9/tksvg/Makefile.in
--- SAOImageDS9.orig/tksvg/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tksvg/Makefile.in	2025-07-03 15:46:58.438662876 +0200
@@ -164,7 +164,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 
 GDB		= gdb
diff -ur SAOImageDS9.orig/tktable/Makefile.in SAOImageDS9/tktable/Makefile.in
--- SAOImageDS9.orig/tktable/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tktable/Makefile.in	2025-07-03 15:42:40.115446907 +0200
@@ -167,7 +167,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
 			  $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 
diff -ur SAOImageDS9.orig/tktable/generic/tkTable.c SAOImageDS9/tktable/generic/tkTable.c
--- SAOImageDS9.orig/tktable/generic/tkTable.c	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tktable/generic/tkTable.c	2025-07-03 15:07:47.384664610 +0200
@@ -3797,7 +3797,7 @@
      int index;			/* index of insert/delete, -1 otherwise */
 {
     register Tcl_Interp *interp = tablePtr->interp;
-    int code, bool;
+    int code, boo ;
     Tk_RestrictProc *rstrct;
     ClientData cdata;
     Tcl_DString script;
@@ -3836,13 +3836,13 @@
 	Tcl_BackgroundError(interp);
 	code = TCL_ERROR;
     } else if (Tcl_GetBooleanFromObj(interp, Tcl_GetObjResult(interp),
-				     &bool) != TCL_OK) {
+				     &boo ) != TCL_OK) {
 	Tcl_AddErrorInfo(interp,
 			 "\n\tboolean not returned by validation command");
 	Tcl_BackgroundError(interp);
 	code = TCL_ERROR;
     } else {
-	code = (bool) ? TCL_OK : TCL_BREAK;
+	code = (boo ) ? TCL_OK : TCL_BREAK;
     }
     Tcl_SetObjResult(interp, Tcl_NewObj());
 
diff -ur SAOImageDS9.orig/tkwin/Makefile.in SAOImageDS9/tkwin/Makefile.in
--- SAOImageDS9.orig/tkwin/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tkwin/Makefile.in	2025-07-03 15:42:46.683528689 +0200
@@ -165,7 +165,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/tls/Makefile.in SAOImageDS9/tls/Makefile.in
--- SAOImageDS9.orig/tls/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tls/Makefile.in	2025-07-03 15:52:00.546423368 +0200
@@ -174,7 +174,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) \
 			  $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 
diff -ur SAOImageDS9.orig/tls/fixstrtod.c SAOImageDS9/tls/fixstrtod.c
--- SAOImageDS9.orig/tls/fixstrtod.c	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/tls/fixstrtod.c	2025-07-03 14:58:22.445633031 +0200
@@ -14,20 +14,19 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 
-#undef strtod
+// #undef strtod
 
 /*
  * Declare strtod explicitly rather than including stdlib.h, since in
  * somes systems (e.g. SunOS 4.1.4) stdlib.h doesn't declare strtod.
  */
 
-extern double strtod();
+// extern double strtod();
 
 double
-fixstrtod(string, endPtr)
-    char *string;
-    char **endPtr;
+fixstrtod(char * string, char ** endPtr)
 {
     double d;
     d = strtod(string, endPtr);
diff -ur SAOImageDS9.orig/unix/Makefile.in SAOImageDS9/unix/Makefile.in
--- SAOImageDS9.orig/unix/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/unix/Makefile.in	2025-07-03 11:37:35.427230301 +0200
@@ -13,7 +13,7 @@
 ARCH		= @ARCH@
 TKFLAGS		= @TKFLAGS@
 SSLCONFIG	= @SSLCONFIG@
-JOBS		= @CORES@
+JOBS		= 1
 XML2CONFIG	= @XML2CONFIG@
 XSLTCONFIG	= @XSLTCONFIG@
 
diff -ur SAOImageDS9.orig/unix/configure.ac SAOImageDS9/unix/configure.ac
--- SAOImageDS9.orig/unix/configure.ac	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/unix/configure.ac	2025-07-03 11:38:48.916092223 +0200
@@ -55,6 +55,7 @@
 #--------------------------------------------------------------------
 
 TEA_CONFIG_CFLAGS
+AC_CHECK_LIB([m],[cos])
 
 #--------------------------------------------------------------------
 # Set the default compiler switches based on the --enable-symbols option.
diff -ur SAOImageDS9.orig/vector/Makefile.in SAOImageDS9/vector/Makefile.in
--- SAOImageDS9.orig/vector/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/vector/Makefile.in	2025-07-03 15:51:52.474322880 +0200
@@ -166,7 +166,7 @@
 CPPFLAGS	= @CPPFLAGS@
 LIBS		= @PKG_LIBS@ @LIBS@
 AR		= @AR@
-CFLAGS		= @CFLAGS@
+CFLAGS		= @CFLAGS@ -std=gnu11
 CXXFLAGS	= @CXXFLAGS@
 COMPILE		= $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
 COMPILE_CXX	= $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS_DEFAULT) $(CFLAGS_WARNING) $(SHLIB_CFLAGS) $(CFLAGS)
diff -ur SAOImageDS9.orig/xpa/Makefile.in SAOImageDS9/xpa/Makefile.in
--- SAOImageDS9.orig/xpa/Makefile.in	2025-01-07 22:01:07.000000000 +0100
+++ SAOImageDS9/xpa/Makefile.in	2025-07-03 15:42:23.947245593 +0200
@@ -81,7 +81,7 @@
 
 # To change the compiler switches, for example to change from -O
 # to -g, change the following line:
-CFLAGS = 		@CFLAGS@
+CFLAGS = 		@CFLAGS@ -std=gnu11
 
 # To add ld switches, change the following line:
 LDFLAGS =		@LDFLAGS@
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