build pjsip from source.

gistfile1.txt

build pjsip

​http://svn.pjsip.org/repos/pjproject/trunk

cd /path/to/your/pjsip/dir

for armv7
  ARCH='-arch armv7' ./configure-iphone
or for armv7s
	ARCH='-arch armv7s' ./configure-iphone
or for simulator
	export DEVPATH=/Applications/XCode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer
	export CC=/Applications/XCode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/llvm-gcc
	CFLAGS="-O2 -m32 -miphoneos-version-min=4.0" LDFLAGS="-O2 -m32" ./configure-iphone

settings are in 
  - 'user.mak'
  - 'pjlib/include/pj/config_site.h' make sure it contains this:
	#define PJ_CONFIG_IPHONE 1
	#include <pj/config_site_sample.h>

make dep && make clean && make


#will get the fourth column from a space delimited file
cut -d" " -f4 grep.txt