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add info about SWIG_FEATURES and -help when no option is found. Use --help as alias of -help, following gnu-ish style.

Browse source 
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8307 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Marcelo Matus 2006-01-08 21:47:31 +00:00
commit 02c17b6d22
1 changed files with 18 additions and 2 deletions
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20
Source/Modules/main.cxx
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@ -113,6 +113,16 @@ static const char *usage2 = (const char*)"\
-Werror - Treat warnings as errors\n\
-w<list> - Suppress/add warning messages, eg -w401,+321 - see Warnings.html\n\
-xmlout <file> - Write XML version of the parse tree to <file> after normal processing\n\
\n\
Options can also be defined using the SWIG_FEATURES environment variable, for example:\n\
\n\
$ SWIG_FEATURES=\"-Wall\"\n\
$ swig -python interface.i \n\
\n\
is equivalent to: \n\
\n\
$ swig -Wall -python interface.i \n\
\n\
\n";
// Local variables
@ -680,7 +690,7 @@ void SWIG_getoptions(int argc, char *argv[])
} else if (strcmp(argv[i],"-Fmicrosoft") == 0) {
Swig_error_msg_format(EMF_MICROSOFT);
Swig_mark_arg(i);
} else if (strcmp(argv[i],"-help") == 0) {
} else if ((strcmp(argv[i],"-help") == 0) || (strcmp(argv[i],"--help") == 0)) {
fputs(usage1,stdout);
fputs(usage2,stdout);
Swig_mark_arg(i);
@ -883,7 +893,13 @@ int SWIG_main(int argc, char *argv[], Language *l) {
String *fs = NewString("");
FILE *df = Swig_open(input_file);
if (!df) {
Printf(stderr,"Unable to find '%s'\n", input_file);
char *cfile = Char(input_file);
if (cfile && cfile[0] == '-') {
Printf(stderr,"Unable to find option or file '%s', ", input_file);
Printf(stderr,"use 'swig -help' for more information.\n", input_file);
} else {
Printf(stderr,"Unable to find file '%s'.\n", input_file);
}
SWIG_exit (EXIT_FAILURE);
}
fclose(df);