What steps will reproduce the problem?
1. make

What is the expected output? What do you see instead?
./configure runs successfully, however, multiple compile errors after running 
make.  Missing include files.

What version of the product are you using? On what operating system?
Using slowhttptest version 1.4 on Arch Linux using gcc 4.7.

Please provide any additional information below.

After running make:

make  all-recursive
make[1]: Entering directory `/home/phil/slowhttptest-1.4'
Making all in src
make[2]: Entering directory `/home/phil/slowhttptest-1.4/src'
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT slowhttptestmain.o -MD -MP -MF 
.deps/slowhttptestmain.Tpo -c -o slowhttptestmain.o slowhttptestmain.cc
slowhttptestmain.cc: In function 'bool parse_int(int&, long int)':
slowhttptestmain.cc:114:21: error: 'optarg' was not declared in this scope
slowhttptestmain.cc:116:50: error: 'optopt' was not declared in this scope
slowhttptestmain.cc:120:57: error: 'optopt' was not declared in this scope
slowhttptestmain.cc: In function 'int main(int, char**)':
slowhttptestmain.cc:170:78: error: 'getopt' was not declared in this scope
slowhttptestmain.cc:224:23: error: 'optarg' was not declared in this scope
slowhttptestmain.cc:271:40: error: 'optopt' was not declared in this scope
make[2]: *** [slowhttptestmain.o] Error 1
make[2]: Leaving directory `/home/phil/slowhttptest-1.4/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/phil/slowhttptest-1.4'
make: *** [all] Error 2


After including "#include <getopt.h>" in slowhttptestmain.cc:

make  all-recursive
make[1]: Entering directory `/home/phil/slowhttptest-1.4'
Making all in src
make[2]: Entering directory `/home/phil/slowhttptest-1.4/src'
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT slowhttptestmain.o -MD -MP -MF 
.deps/slowhttptestmain.Tpo -c -o slowhttptestmain.o slowhttptestmain.cc
mv -f .deps/slowhttptestmain.Tpo .deps/slowhttptestmain.Po
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT slowhttptest.o -MD -MP -MF 
.deps/slowhttptest.Tpo -c -o slowhttptest.o slowhttptest.cc
slowhttptest.cc: In member function 'bool 
slowhttptest::SlowHTTPTest::run_test()':
slowhttptest.cc:873:30: error: 'usleep' was not declared in this scope
make[2]: *** [slowhttptest.o] Error 1
make[2]: Leaving directory `/home/phil/slowhttptest-1.4/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/phil/slowhttptest-1.4'
make: *** [all] Error 2

After including "#include <unistd.h>" in slowhttptestmain.cc:

make  all-recursive
make[1]: Entering directory `/home/phil/slowhttptest-1.4'
Making all in src
make[2]: Entering directory `/home/phil/slowhttptest-1.4/src'
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT slowhttptest.o -MD -MP -MF 
.deps/slowhttptest.Tpo -c -o slowhttptest.o slowhttptest.cc
mv -f .deps/slowhttptest.Tpo .deps/slowhttptest.Po
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT slowsocket.o -MD -MP -MF 
.deps/slowsocket.Tpo -c -o slowsocket.o slowsocket.cc
slowsocket.cc: In member function 'void slowhttptest::SlowSocket::close()':
slowsocket.cc:268:3: error: '::close' has not been declared
make[2]: *** [slowsocket.o] Error 1
make[2]: Leaving directory `/home/phil/slowhttptest-1.4/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/phil/slowhttptest-1.4'
make: *** [all] Error 2

After including "#include <unistd.h>" in slowsocket.cc

make  all-recursive
make[1]: Entering directory `/home/phil/slowhttptest-1.4'
Making all in src
make[2]: Entering directory `/home/phil/slowhttptest-1.4/src'
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT slowhttptest.o -MD -MP -MF 
.deps/slowhttptest.Tpo -c -o slowhttptest.o slowhttptest.cc
mv -f .deps/slowhttptest.Tpo .deps/slowhttptest.Po
g++ -DHAVE_CONFIG_H -I. -I..     -g -O2 -MT slowsocket.o -MD -MP -MF 
.deps/slowsocket.Tpo -c -o slowsocket.o slowsocket.cc
mv -f .deps/slowsocket.Tpo .deps/slowsocket.Po
g++  -g -O2  -L/usr/local/lib -lssl -o slowhttptest slowhttptestmain.o 
slowhttptest.o slowsocket.o slowstats.o slowurl.o slowlog.o text-generator.o 
range-generator.o  -lssl 
make[2]: Leaving directory `/home/phil/slowhttptest-1.4/src'
Making all in man
make[2]: Entering directory `/home/phil/slowhttptest-1.4/man'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/home/phil/slowhttptest-1.4/man'
make[2]: Entering directory `/home/phil/slowhttptest-1.4'
make[2]: Leaving directory `/home/phil/slowhttptest-1.4'
make[1]: Leaving directory `/home/phil/slowhttptest-1.4'

Success!