Re: [Cscope-devel] Vim issue and patch submission

[Ken S. <kg...@gm...>]

2011/2/16 Ken Smith <kg...@gm...>:
> 2011/2/16 Hans-Bernhard Bröker <HBB...@t-...>:
>
>> Actually, you would _always_ have to do cscope -R -b -q.  The ability to
>> concatenate single-letter options that don't use arguments is a GNU feature
>> offered by getopt_long().  No _GNU_SOURCE, no -Rbq.
>
> Ok.  I'm compiling on Linux with the GNU compiler which doesn't define
> it by default.  Is there a flag I should pass to configure to enable
> _GNU_SOURCE or should I just edit the makefiles and add it to CFLAGS?

Also, with _GNU_SOURCE, the main.c patch changes to the following.
The call to getopt_long needs "a" appended to the third argument.

   ks

Index: src/main.c
===================================================================
RCS file: /cvsroot/cscope/cscope/src/main.c,v
retrieving revision 1.52
diff -u -r1.52 main.c
--- src/main.c  30 Sep 2010 14:29:19 -0000      1.52
+++ src/main.c  17 Feb 2011 01:16:50 -0000
@@ -98,6 +98,7 @@
 BOOL   linemode = NO;          /* use line oriented user interface */
 BOOL   verbosemode = NO;       /* print extra information on line mode */
 BOOL   recurse_dir = NO;       /* recurse dirs when searching for src files */
+BOOL   use_abs_paths = NO;     /* use absolute pathnames in recursive
searches */
 char   *namefile;              /* file of file names */
 BOOL   ogs;                    /* display OGS book and subsystem names */
 char   *prependpath;           /* prepend path to file names */
@@ -153,7 +154,7 @@


        while ((opt = getopt_long(argcc, argv,
-              "hVbcCdeF:f:I:i:kLl0:1:2:3:4:5:6:7:8:9:P:p:qRs:TUuv",
+              "hVbcCdeF:f:I:i:kLl0:1:2:3:4:5:6:7:8:9:P:p:qRs:TUuva",
               lopts, &longind)) != -1) {
                switch(opt) {

@@ -233,6 +234,9 @@
                case 'R':
                        recurse_dir = YES;
                        break;
+               case 'a':
+                       use_abs_paths = YES;
+                       break;
                case 'f':       /* alternate cross-reference file */
                        reffile = optarg;
                        if (strlen(reffile) > sizeof(path) - 3) {
@@ -405,6 +409,9 @@
            case 'R':
                recurse_dir = YES;
                break;
+           case 'a':
+               use_abs_paths = YES;
+               break;
            case 'f':   /* alternate cross-reference file */
            case 'F':   /* symbol reference lines file */
            case 'i':   /* file containing file names */