Dear all, I failed in opening the thread feature when configuring on Cygwin on windows 7. I find the configure will disable the enable_threads on cygwin and enable it on mingw. Why? Does apr support thread on Cygwin?
Configure: 25144 *mingw*) 25145 OSDIR="win32" 25146 enable_threads="system_threads" 25147 eolstr="\\r\\n" 25148 file_as_socket=0 25149 proc_mutex_is_global=1 25150 OBJECTS_PLATFORM='$(OBJECTS_win32)' 25151 ;; 25152 *cygwin*) 25153 OSDIR="unix" 25154 enable_threads="no" 25155 eolstr="\\n" Log: $ ./configure --prefix=$PWD/../cygwin --enable-threads=yes checking build system type... i686-pc-cygwin checking host system type... i686-pc-cygwin checking target system type... i686-pc-cygwin Configuring APR library Platform: i686-pc-cygwin checking for working mkdir -p... yes APR Version: 1.4.5 checking for chosen layout... apr 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 ISO C89... none needed checking for a sed that does not truncate output... /usr/bin/sed Applying APR hints file rules for i686-pc-cygwin setting CPPFLAGS to "-DCYGWIN" (Default will be unix) checking whether make sets $(MAKE)... yes checking how to run the C preprocessor... gcc -E checking for gawk... gawk checking whether ln -s works... yes checking for ranlib... ranlib checking for a BSD-compatible install... /usr/bin/install -c checking for rm... rm checking for as... as checking for cpp... cpp checking for ar... ar 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 for library containing strerror... none required checking whether system uses EBCDIC... no performing libtool configuration... 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 how to recognize dependent libraries... file_magic ^x86 archive import|^x86 DLL checking for dlltool... dlltool checking for objdump... objdump checking dlfcn.h usability... yes checking dlfcn.h presence... yes checking for dlfcn.h... yes checking for g++... g++ checking whether we are using the GNU C++ compiler... yes checking whether g++ accepts -g... yes checking how to run the C++ preprocessor... g++ -E checking for g77... no checking for xlf... no checking for f77... no checking for frt... no checking for pgf77... no checking for cf77... no checking for fort77... no checking for fl32... no checking for af77... no checking for xlf90... no checking for f90... no checking for pgf90... no checking for pghpf... no checking for epcf90... no checking for gfortran... no checking for g95... no checking for xlf95... no checking for f95... no checking for fort... no checking for ifort... no checking for ifc... no checking for efc... no checking for pgf95... no checking for lf95... no checking for ftn... 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... (cached) ar checking for ranlib... (cached) ranlib checking for strip... strip checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -DDLL_EXPORT checking if gcc PIC flag -DDLL_EXPORT works... yes checking if gcc static flag -static works... yes 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... -DDLL_EXPORT checking if g++ PIC flag -DDLL_EXPORT works... yes checking if g++ static flag -static works... yes 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 (cached) (cached) checking how to hardcode library paths into programs... immediate appending configuration tag "F77" to libtool Check for compiler flags... checking whether the compiler provides atomic builtins... yes checking whether to enable -D_LARGEFILE64_SOURCE... no Checking for libraries... checking for library containing gethostbyname... none required checking for library containing gethostname... none required checking for library containing socket... none required checking for library containing crypt... -lcrypt checking for main in -ltruerand... no checking for library containing modf... none required Checking for Threads... APR will be non-threaded Best Regards Chunwei Liu
