On 2/4/2012 10:39 AM, Anton wrote:
Hi,
I ran into problems when installing callgraph by following the
instructions at
https://developer.mozilla.org/en/Developing_Mozilla/Callgraph/Installing_Callgraph.
It seems that during the configure stage of building mozilla, the gcc
check fails. To be more specific, here are the outputs:
from terminal:
checking for gcc... /usr/bin/gcc -fplugin=/home/anton/dehydra/
gcc_treehydra.so -fplugin-arg-gcc_treehydra-script=/home/anton/
callgraph/callgraph_static.js
checking whether the C compiler (/usr/bin/gcc -fplugin=/home/anton/
dehydra/gcc_treehydra.so -fplugin-arg-gcc_treehydra-script=/home/anton/
callgraph/callgraph_static.js ) works... no
configure: error: installation or configuration problem: C compiler
cannot create executables.
*** Fix above errors and then restart with "make -f
client.mk build"
make[2]: *** [configure] Error 1
make[1]: *** [/home/anton/callgraph/mozilla-central//obj-fx/Makefile]
Error 2
make: *** [build] Error 2
./callgraph.sh: build failed
from config.log
configure:2660: checking for gcc
configure:2773: checking whether the C compiler (/usr/bin/gcc -
fplugin=/home/anton/dehydra/gcc_treehydra.so -fplugin-arg-
gcc_treehydra-script=/home/anton/callgraph/callgraph_static.js )
works
configure:2789: /usr/bin/gcc -fplugin=/home/anton/dehydra/
gcc_treehydra.so -fplugin-arg-gcc_treehydra-script=/home/anton/
callgraph/callgraph_static.js -o conftest conftest.c 1>&5
/home/anton/callgraph/callgraph_static.js:301: JS Exception: Error:
unknown location
/home/anton/callgraph/callgraph_static.js:301: #0:
location_string([object GCCNode])
/home/anton/callgraph/callgraph_static.js:196: #1: get_names([object
GCCNode])
/home/anton/callgraph/callgraph_static.js:374: #2:
process_tree([object GCCNode])
configure: failed program was:
#line 2784 "configure"
#include "confdefs.h"
main(){return(0);}
It seems that the callgraph_static.js script is throwing exception
when configure script checks gcc with the treehydra plugin. Any
thoughts on how this can be resolved?
gcc callgraph stuff is bitrotted. I believe we have more up to date
clang callgraph support in dxr.
Taras
Thanks,
Anton
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