[mhd@dhcppc4 aegisub-3.2.2]$ ./configure   --with-boost=/usr/local
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking for MDCPUCFG setting... md/_linux.cfg
checking whether BUILD_CREDIT has been set... no
checking for GNU make... make
checking for gcc... (cached) gcc
checking whether we are using the GNU C compiler... (cached) yes
checking whether gcc accepts -g... (cached) yes
checking for gcc option to accept ISO C89... (cached) none needed
checking for g++... g++
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking for a BSD-compatible install... /usr/bin/install -c
checking for ranlib... ranlib
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.20... yes
checking for version... 3.2.2 from cached git_version.h
checking for build date... 2016-09-20 17:20 IRDT
checking for the pthreads library -lpthreads... no
checking whether pthreads work without any flags... no
checking whether pthreads work with -Kthread... no
checking whether pthreads work with -kthread... no
checking for the pthreads library -llthread... no
checking whether pthreads work with -pthread... yes
checking for joinable pthread attribute... PTHREAD_CREATE_JOINABLE
checking if more special flags are required for pthreads... no
checking for PTHREAD_PRIO_INHERIT... yes
checking whether g++ supports -std=c++11... yes
checking whether g++ supports -Wno-c++11-narrowing... yes
checking whether gcc supports -Wno-unused-local-typedefs... yes
checking whether g++ supports -Wno-unused-local-typedefs... yes
checking whether g++ supports -stdlib=libc++... no
checking for main in -lm... yes
checking for dlclose in -ldl... yes
checking how to run the C++ preprocessor... g++ -E
checking sys/time.h usability... yes
checking sys/time.h presence... yes
checking for sys/time.h... yes
checking for X... libraries , headers
checking for gethostbyname... yes
checking for connect... yes
checking for remove... yes
checking for shmat... yes
checking for IceConnectionNumber in -lICE... yes
checking for a sed that does not truncate output... /usr/bin/sed
checking whether we are using the Microsoft C compiler... no
checking windows.h usability... no
checking windows.h presence... no
checking for windows.h... no
checking for GL/gl.h... yes
checking for OpenGL/gl.h... no
checking for OpenGL library... -lGL
checking for FREETYPE... yes
checking for FONTCONFIG... yes
checking for LIBASS... yes
checking for boostlib >= 1.50.0... yes
checking for exit in -lboost_chrono... yes
checking for exit in -lboost_filesystem... yes
checking for exit in -lboost_locale... yes
checking for exit in -lboost_regex... yes
checking for exit in -lboost_system... yes
checking for exit in -lboost_thread... yes
checking boost/spirit/home/phoenix/version.hpp usability... no
checking boost/spirit/home/phoenix/version.hpp presence... no
checking for boost/spirit/home/phoenix/version.hpp... no
checking for ICU_UC... yes
checking for ICU_I18N... yes
checking whether boost ICU support works... no
configure: error: in `/home/mhd/src/aegisub-3.2.2':
configure: error: Aegisub requires that boost be built with ICU support.
See `config.log' for more details