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List:       kde-devel
Subject:    C++ Support for distcc
From:       Ian Reinhart Geiser <geiseri () kde ! org>
Date:       2002-05-23 2:29:42
[Download RAW message or body]

Greetings,
	There has been some buzz as of late about doing distributed builds for doing 
KDE builds faster.  Team Builder unfortunately is not a realistic option for 
the masses of KDE developers out there and up until this patch neither was 
distcc.

	The attached patch allows distcc to compile most known C++ extentions 
supported by gcc, these include cxx, cpp, cc, C and cp.  There are also 
attached two scripts that allow distcc to interact with libtool a little 
better.  For some reason libtool is not a fan of distcc g++ in some instances 
in our build system.  To use them, put them in your path and do an:
	export CC='distc'
	export CXX='distc++'

	I have tested this with kdesupport, arts and kdelibs so far with mostly 
success.  There are a few problems with object files not being found, but I 
am still trying to nail down why this is happening.  They don't seem to 
appear on my SMP system, but do when I am using distcc.  

	Please if you are interested test the following patches. I have also CCed the 
author of distcc to have these patches merged in to the main source.

	Cheers
	-ian reinhart geiser
["distcc-c++-support.patch" (text/x-diff)]

--- distcc-0.2/src/arg.c	Thu May 16 03:56:34 2002
+++ /mnt/network/home/geiseri/distcc-0.2/src/arg.c	Wed May 22 17:37:28 2002
@@ -67,7 +67,7 @@
     char *slash;
     char *o;
     int l;
-    
+    char *s;    
     if ((slash = strrchr(sfile, '/')))
         sfile = slash+1;
     if ((l = strlen(sfile)) < 3) {
@@ -76,7 +76,8 @@
     }
 
     o = strdup(sfile);
-    strcpy(&o[l - 2], ".o");
+    s = rindex(o,'.');
+    strcpy(s, ".o");
     *ofile = o;
 
     return 0;
@@ -134,8 +135,12 @@
                 goto GOT_OUTPUT;
             }
 	} else {
-	    if (str_endswith(".i", a) || str_endswith(".c", a)) {
+	    if (str_endswith(".i", a) || str_endswith(".c", a)
+		|| str_endswith(".cpp",a) || str_endswith(".cc",a)
+		|| str_endswith(".cxx",a) || str_endswith(".C",a)
+		|| str_endswith(".cp", a) || str_endswith("c++",a)) {
 		rs_trace("found input file \"%s\"", a);
+		rs_log_notice("found input file \"%s\"", a);
 		if (*input_file) {
 		    rs_log_notice("do we have two inputs?  i give up");
 		    return -1;
@@ -309,7 +314,10 @@
     rs_trace("command before: %s", dcc_argv_tostr(a));
 
     for (i =0; a[i]; i++)
-        if (str_endswith(".c", a[i]) || str_endswith(".i", a[i])) {
+        if (str_endswith(".c", a[i]) || str_endswith(".i", a[i])
+                || str_endswith(".cpp",a[i]) || str_endswith(".cc",a[i])
+                || str_endswith(".cxx",a[i]) || str_endswith(".C",a[i])
+                || str_endswith(".cp", a[i]) || str_endswith("c++",a[i])) {
             rs_trace("changed input from \"%s\" to \"%s\"", a[i], ifname);
             a[i] = ifname;
             rs_trace("command after: %s", dcc_argv_tostr(a));

["distc" (application/x-shellscript)]

#!/bin/sh
distcc gcc $*

["distc++" (text/plain)]

!/bin/sh
distcc g++ $*

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