Merge pull request avrdudes#1547 from stefanrueger/parse-avrdude_version

Add avrdude_conf_version to grammar

src/avrdude.conf.in

@@ -2,13 +2,17 @@
 #
 # AVRDUDE Configuration File
 #
-# This file contains configuration data used by AVRDUDE which describes
-# the programming hardware pinouts and also provides part definitions.
+
+avrdude_conf_version = "@AVRDUDE_FULL_VERSION@";
+
+# This file contains AVRDUDE's default configuration data describing
+# programming hardware pinouts and part definitions. Normally, it
+# requires AVRDUDE be of the same or higher version than above string.
 # AVRDUDE's -C command line option specifies the location of the
-# configuration file.  The -c option names the programmer configuration
-# which must match one of the entry's id parameter.  The -p option
-# identifies which part AVRDUDE is going to be programming and must match
-# one of the parts' id parameters.
+# configuration file. The -c option names the programmer configuration
+# which must match one of the entry's id parameter. The -p option
+# identifies which part AVRDUDE is going to be programming and must
+# match one of the parts' id parameters.
 #
 # DO NOT MODIFY THIS FILE.  Modifications will be overwritten the next
 # time a "make install" is run.  For user-specific additions, use the
@@ -432,9 +436,6 @@
 # ATmega8       0x76
 # ATmega169     0x78
 
-# Buildtime configuration
-avrdude_version = "@AVRDUDE_FULL_VERSION@";
-
 #
 # Overall avrdude defaults; suitable for ~/.config/avrdude/avrdude.rc
 #

src/config.c

@@ -36,6 +36,8 @@
 
 #include "config_gram.h"
 
+const char *avrdude_conf_version;
+
 const char *default_programmer;
 const char *default_parallel;
 const char *default_serial;

src/config_gram.y

@@ -74,6 +74,7 @@ static int pin_name;
 
 %token K_ALIAS
 %token K_ALLOW_SUBSHELLS
+%token K_AVRDUDE_CONF_VERSION
 %token K_BUFF
 %token K_CONNTYPE
 %token K_DEDICATED
@@ -213,6 +214,11 @@ def :
 
   part_def TKN_SEMI |
 
+  K_AVRDUDE_CONF_VERSION TKN_EQUAL TKN_STRING TKN_SEMI {
+    avrdude_conf_version = cache_string($3->value.string);
+    free_token($3);
+  } |
+
   K_DEFAULT_PROGRAMMER TKN_EQUAL TKN_STRING TKN_SEMI {
     default_programmer = cache_string($3->value.string);
     free_token($3);

src/configure.ac

@@ -543,8 +543,9 @@ AC_CONFIG_FILES([
        Makefile
 ])
 
-# Pass into avrdude.conf.in
-AVRDUDE_FULL_VERSION='$(VERSION)'
+# Pass version number into avrdude.conf
+AVRDUDE_FULL_VERSION=$PACKAGE_VERSION
+AC_SUBST(AVRDUDE_FULL_VERSION, $AVRDUDE_FULL_VERSION)
 
 # The procedure to create avrdude.conf involves two steps.  First,
 # normal autoconf substitution will be applied, resulting in

src/developer_opts.c

@@ -849,7 +849,7 @@ void dev_output_pgm_part(int dev_opt_c, const char *programmer, int dev_opt_p, c
     char *p;
 
     dev_print_comment(cfg_get_prologue());
-
+    dev_info("avrdude_conf_version = %s;\n\n", p = cfg_escape(avrdude_conf_version)); free(p);
     dev_info("default_programmer = %s;\n", p = cfg_escape(default_programmer)); free(p);
     dev_info("default_parallel   = %s;\n", p = cfg_escape(default_parallel)); free(p);
     dev_info("default_serial     = %s;\n", p = cfg_escape(default_serial)); free(p);

src/doc/avrdude.texi

@@ -2843,6 +2843,9 @@ the executable.
 
 @table @code
 
+@item avrdude_conf_version = "@var{build-time-version}";
+Automatically set during the build process.
+
 @item default_parallel = "@var{default-parallel-device}";
 Assign the default parallel port device.  Can be overridden using the
 @option{-P} option.

src/lexer.l

@@ -181,6 +181,7 @@ INF  [Ii][Nn][Ff]([Ii][Nn][Ii][Tt][Yy])?
 alias            { yylval=NULL; return K_ALIAS; }
 allow_subshells  { yylval=NULL; return K_ALLOW_SUBSHELLS; }
 allowfullpagebitstream { yylval=NULL; ccap(); return K_ALLOWFULLPAGEBITSTREAM; }
+avrdude_conf_version { yylval=NULL; return K_AVRDUDE_CONF_VERSION; }
 buff             { yylval=NULL; ccap(); return K_BUFF; }
 chip_erase       { yylval=new_token(K_CHIP_ERASE); ccap(); return K_CHIP_ERASE; }
 connection_type  { yylval=NULL; ccap(); return K_CONNTYPE; }

src/libavrdude.h

@@ -1181,6 +1181,7 @@ void walk_programmer_types(/*LISTID programmer_types,*/ walk_programmer_types_cb
 
 extern LISTID      part_list;
 extern LISTID      programmers;
+extern const char *avrdude_conf_version;
 extern const char *default_programmer;
 extern const char *default_parallel;
 extern const char *default_serial;

src/main.c

@@ -571,6 +571,8 @@ int main(int argc, char * argv [])
     progname[strlen(progname)-4] = 0;
   }
 
+  avrdude_conf_version = "";
+
   default_programmer = "";
   default_parallel   = "";
   default_serial     = "";