Messages in this thread | | | Date | Fri, 06 Nov 2009 13:21:41 -0800 | From | "Justin P. Mattock" <> | Subject | Re: cc1plus invoked oom-killer: gfp_mask=0x280da, order=0, oom_adj=0 |
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Dave Korn wrote: > Justin Mattock wrote: > > > >> ==1830== Command: c++ -o jsxml.o -c -DOSTYPE="Linux2.6" -DOSARCH=Linux >> > > Ah, you're running it on the "c++" utility and it's reporting the stats for > that, but how it works is that "c++" (and "gcc", "g++", et al) is just a > driver, that parses the command line arguments and shells out to the actual > compiler ("cc1plus"), assembler and linker to get them to do all the work. > > If you add "-v --save-temps" to the c++ invocation, it'll show you the > separate command lines it executes for the subprograms; the first invocation > will be of cc1plus, using the -E flag to generate the preprocessed source into > a .ii file, it's the second invocation you want, the one which uses the > "-fpreprocessed" flag and names the .ii file as input, which is the one that > actually then compiles the pre-processed source into assembly. For fuller > explanation, see the GCC wiki: > > http://gcc.gnu.org/wiki/DebuggingGCC > > cheers, > DaveK > > > > o.k. after some reading and some experimenting, I finally got firefox to compile all the way without a memory leak.. here's what I found: using the default .mozconfig I see during compiling there is a -O3 in the CFLAGS(mozilla default optimization) When using my optimization I use -O2 by mistake I accidentally forgot to add the -O2 while tweaking my .mozconfig for a right CFLAGS to use for debugging, in doing so firefox compiled all the way.
So using a custom CFLAGS in mozconfig and leaving out -O* works..
Any ideas what might be happening here?
Justin P. Mattock
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