g++ -DHAVE_CONFIG_H -I. -I../../../lyx-devel/src/support -I../../src
-I../../../lyx-devel/src/support/../ -I../../../lyx-devel -I../..
-I../../../lyx-devel/boost -g -O -fno-exceptions -W -Wall -Winline -c
../../../lyx-devel/src/support/lyxsum.C -MT lyxsum.lo -MD -MP -MF
.deps/lyxsum.TPlo
../../../lyx-devel/src/support/lyxsum.C: In function `long unsigned int
lyx::sum(const std::string&)':
../../../lyx-devel/src/support/lyxsum.C:116: `ifstream' undeclared (first use
this function)
../../../lyx-devel/src/support/lyxsum.C:116: (Each undeclared identifier is
reported only once for each function it appears in.)
../../../lyx-devel/src/support/lyxsum.C:116: parse error before `(' token
../../../lyx-devel/src/support/lyxsum.C:117: `ifs' undeclared (first use this
function)
../../../lyx-devel/src/support/lyxsum.C:111: warning: unused parameter `const
std::string&file'
