I think I already reported this...
make[2]: Entering directory `/home/kayvan/src/lyx/src/mathed'
g++ -DHAVE_CONFIG_H -I. -I. -I../../src -I./../ -I../../boost \
-I/usr/X11R6/include -g -O -fno-exceptions -W -Wall -x c++-header pch.
h
g++: language c++-header not recognized
pch.h: file not recognized: File format not recognized
