Helloļ¼Steve Loughran after I type it in on the command line, seems configure is ok.
$ src/c++/pipes/configure checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for gawk... gawk checking whether make sets $(MAKE)... yes checking for style of include used by make... GNU checking for gcc... gcc checking for C compiler default output file name... a.exe checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... .exe 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 ANSI C... none needed checking dependency style of gcc... gcc3 checking for special C compiler options needed for large files... no checking for _FILE_OFFSET_BITS value needed for large files... no checking for _LARGE_FILES value needed for large files... no checking how to run the C preprocessor... gcc -E checking for egrep... 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 pthread.h usability... yes checking pthread.h presence... yes checking for pthread.h... yes checking for pthread_create in -lpthread... yes /usr/bin/install: invalid option -- C Try `/usr/bin/install --help' for more information. checking for g++... g++ checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking dependency style of g++... gcc3 checking build system type... i686-pc-cygwin checking host system type... i686-pc-cygwin checking for a sed that does not truncate output... /usr/bin/sed checking for ld used by gcc... /usr/i686-pc-cygwin/bin/ld.exe checking if the linker (/usr/i686-pc-cygwin/bin/ld.exe) is GNU ld... yes checking for /usr/i686-pc-cygwin/bin/ld.exe option to reload object files... -r checking for BSD-compatible nm... /usr/bin/nm -B checking whether ln -s works... yes checking how to recognise dependent libraries... file_magic ^x86 archive import| ^x86 DLL checking dlfcn.h usability... yes checking dlfcn.h presence... yes checking for dlfcn.h... yes checking how to run the C++ preprocessor... g++ -E checking for g77... no checking for f77... no checking for xlf... no checking for frt... no checking for pgf77... no checking for fort77... no checking for fl32... no checking for af77... no checking for f90... no checking for xlf90... no checking for pgf90... no checking for epcf90... no checking for f95... no checking for fort... no checking for xlf95... no checking for ifc... no checking for efc... no checking for pgf95... no checking for lf95... no checking for gfortran... no checking whether we are using the GNU Fortran 77 compiler... no checking whether accepts -g... no checking the maximum length of command line arguments... 8192 checking command to parse /usr/bin/nm -B output from gcc object... ok checking for objdir... .libs checking for ar... ar checking for ranlib... ranlib checking for strip... strip checking if gcc static flag works... yes checking if gcc supports -fno-rtti -fno-exceptions... src/c++/pipes/configure: l ine 6990: diff: command not found no checking for gcc option to produce PIC... checking if gcc supports -c -o file.o... yes checking whether the gcc linker (/usr/i686-pc-cygwin/bin/ld.exe) supports shared libraries... yes checking whether -lc should be explicitly linked in... yes checking dynamic linker characteristics... Win32 ld.exe checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... yes configure: creating libtool appending configuration tag "CXX" to libtool checking for ld used by g++... /usr/i686-pc-cygwin/bin/ld.exe checking if the linker (/usr/i686-pc-cygwin/bin/ld.exe) is GNU ld... yes checking whether the g++ linker (/usr/i686-pc-cygwin/bin/ld.exe) supports shared libraries... yes checking for g++ option to produce PIC... checking if g++ supports -c -o file.o... yes checking whether the g++ linker (/usr/i686-pc-cygwin/bin/ld.exe) supports shared libraries... yes checking dynamic linker characteristics... Win32 ld.exe checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes appending configuration tag "F77" to libtool checking for unistd.h... (cached) yes checking for pthread.h... (cached) yes checking for pthread_create in -lpthread... (cached) yes checking for stdbool.h that conforms to C99... yes checking for _Bool... no checking for an ANSI C-conforming const... yes checking for off_t... yes checking for size_t... yes checking whether strerror_r is declared... yes checking for strerror_r... yes checking whether strerror_r returns char *... yes checking for mkdir... yes checking for uname... yes configure: creating ./config.status config.status: creating Makefile config.status: creating impl/config.h config.status: executing depfiles commands