This line here:
c:\mingw\bin\..\lib\gcc\mingw32\3.4.2\..\..\..\..\mingw32\bin\ld.exe:
cannot find -lz

means that you don't have the library called "z" in a place where the
linker can find. The library is called zlib, and you should be able to
find it either in the dependencies of curl/curlpp or somewhere else.

-Gazi

On 14/08/07, Joel Stephens <esgeroth_at_gmail.com> wrote:
> Ive been working on this for a few days and I still dont have a working
> curlpp.
> here are the commands im using to build curlpp in msys.
>
> cd /g/programming/libs/curlpp-0.7.0
> export PATH="$PATH:/g/programming/libs/libcurl- 7.16.4/bin"
> export
> CPPFLAGS="-I/g/programming/libs/libcurl-7.16.4/include"
> export LDFLAGS="-L/g/programming/libs/libcurl-7.16.4/lib"
> ./configure
> make
>
> configure seems to work ok.
> make seems to have a few errors and quits.
>
> here is the out put from configure and make.
>
>
> $ ./configure
> checking for a BSD-compatible install... /bin/install -c
> checking whether build environment is sane... yes
> checking for gawk... gawk
> checking whether make sets $(MAKE)... yes
> checking whether ln -s works... no, using cp -p
> checking whether make sets $(MAKE)... (cached) yes
> 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 style of include used by make... GNU
> checking dependency style of gcc... gcc3
> checking how to run the C preprocessor... gcc -E
> 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 for a BSD-compatible install... /bin/install -c
> checking build system type... i686-pc-mingw32
> checking host system type... i686-pc-mingw32
> checking for a sed that does not truncate output... /bin/sed
> checking for grep that handles long lines and -e... /bin/grep
> checking for egrep... /bin/grep -E
> checking for ld used by gcc... c:/mingw/mingw32/bin/ld.exe
> checking if the linker (c:/mingw/mingw32/bin/ld.exe) is GNU ld... yes
> checking for c:/mingw/mingw32/bin/ld.exe option to reload object files... -r
> checking for BSD-compatible nm... /mingw/bin/nm
> checking how to recognise dependent libraries... file_magic file format
> pei*-i386(.*architecture: i386)?
> checking for dlltool... dlltool
> checking for as... as
> checking for objdump... objdump
> checking for ANSI C header files... no
> 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 dlfcn.h usability... no
> checking dlfcn.h presence... no
> checking for dlfcn.h... no
> 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 cf77... 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 pghpf... no
> checking for epcf90... no
> checking for gfortran... no
> checking for g95... no
> checking for f95... no
> checking for fort... no
> checking for xlf95... 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 /mingw/bin/nm output from gcc object... ok
> checking for objdir... .libs
> checking for ar... ar
> checking for ranlib... 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 (c:/mingw/mingw32/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++... c:/mingw/mingw32/bin/ld.exe
> checking if the linker (c:/mingw/mingw32/bin/ld.exe) is GNU ld... yes
> checking whether the g++ linker (c:/mingw/mingw32/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 (c:/mingw/mingw32/bin/ld.exe) supports
> shared libraries... yes
> checking dynamic linker characteristics... Win32 ld.exe
> checking how to hardcode library paths into programs... immediate
> appending configuration tag "F77" to libtool
> checking for ANSI C header files... (cached) no
> checking curl/curl.h usability... yes
> checking curl/curl.h presence... yes
> checking for curl/curl.h... yes
> checking ostream usability... yes
> checking ostream presence... yes
> checking for ostream... yes
> checking for curl >= 7.10.0... ./configure: bc: command not found
> 7.16.4
> checking enable gcc warnings... yes
> checking warning make an error on compilation... yes
> checking whether to enable the maintener code... no
> checking whether to enable Debug symbols support options... no
> checking if we need BUILDING_CURLPP... yes
> checking if we need CURLPP_STATICLIB... no
> configure: creating ./config.status
> config.status: creating curlpp-config
> config.status: creating curlpp.spec
> config.status: creating curlpp.pc
> config.status: creating Makefile
> config.status: creating curlpp/Makefile
> config.status: creating examples/Makefile
> config.status: creating utilspp/Makefile
> config.status: creating utilspp/functor/Makefile
> config.status: creating utilspp/singleton/Makefile
> config.status: creating doc/Makefile
> config.status: creating config.h
> config.status: executing depfiles commands
>
>
>
>
>
>
>
>
> $ make
> make all-recursive
> make[1]: Entering directory `/g/programming/libs/curlpp-0.7.0'
> Making all in utilspp
> make[2]: Entering directory `/g/programming/libs/curlpp-0.7.0 /utilspp'
> Making all in functor
> make[3]: Entering directory
> `/g/programming/libs/curlpp-0.7.0/utilspp/functor'
> make[3]: Nothing to be done for `all'.
> make[3]: Leaving directory `/g/programming/libs/curlpp-
> 0.7.0/utilspp/functor'
> Making all in singleton
> make[3]: Entering directory
> `/g/programming/libs/curlpp-0.7.0/utilspp/singleton'
> if /bin/sh ../../libtool --silent --tag=CXX --mode=compile g++
> -DHAVE_CONFIG_H -I. -I. -I../.. -I/g/programming/libs/libcurl-
> 7.16.4/include -g -W -Wall -Werror -I/usr/local/include -MT
> LifetimeLibrary.lo -MD -MP -MF ".deps/LifetimeLibrary.Tpo" -c -o
> LifetimeLibrary.lo LifetimeLibrary.cpp; \
> then mv -f ".deps/LifetimeLibrary.Tpo" ".deps/LifetimeLibrary.Plo"; else rm
> -f ".deps/LifetimeLibrary.Tpo"; exit 1; fi
> if /bin/sh ../../libtool --silent --tag=CXX --mode=compile g++
> -DHAVE_CONFIG_H -I. -I. -I../..
> -I/g/programming/libs/libcurl-7.16.4/include -g -W -Wall -Werror
> -I/usr/local/include -MT PrivateMembers.lo -MD -MP -MF
> ".deps/PrivateMembers.Tpo" -c -o PrivateMembers.lo PrivateMembers.cpp; \
> then mv -f ".deps/PrivateMembers.Tpo" ".deps/PrivateMembers.Plo"; else rm -f
> ".deps/PrivateMembers.Tpo"; exit 1; fi
> /bin/sh ../../libtool --silent --tag=CXX --mode=link g++ -g -W -Wall
> -Werror -I/usr/local/include -L/g/programming/libs/libcurl- 7.16.4/lib -o
> libsingleton.la LifetimeLibrary.lo PrivateMembers.lo -lstdc++
> -L/usr/local/lib -lcurl -L/home/dast/src/win32 -lwinmm -lws2_32 -lz -lws2_32
> libtool: link: warning: library `/g/programming/libs/libcurl-
> 7.16.4/lib/libcurl.la' was moved.
> make[3]: Leaving directory
> `/g/programming/libs/curlpp-0.7.0/utilspp/singleton'
> make[3]: Entering directory `/g/programming/libs/curlpp-0.7.0/utilspp'
> /bin/sh ../libtool --silent --tag=CC --mode=link gcc -g -O2
> -L/g/programming/libs/libcurl- 7.16.4/lib -o libutilspp.la
> ./singleton/libsingleton.la -lstdc++ -L/usr/local/lib -lcurl
> -L/home/dast/src/win32 -lwinmm -lws2_32 -lz -lws2_32
>
> *** Warning: This system can not link to static lib archive
> /mingw/lib//libstdc++.la.
> *** I have the capability to make that library automatically link in when
> *** you link to this library. But I can only do this if you have a
> *** shared version of the library, which you do not appear to have.
> libtool: link: warning: library
> `/g/programming/libs/libcurl-7.16.4/lib/libcurl.la' was moved.
> make[3]: Leaving directory `/g/programming/libs/curlpp-0.7.0/utilspp'
> make[2]: Leaving directory `/g/programming/libs/curlpp- 0.7.0/utilspp'
> Making all in curlpp
> make[2]: Entering directory `/g/programming/libs/curlpp-0.7.0/curlpp'
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl- 7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT CurlHandle.lo -MD -MP -MF
> ".deps/CurlHandle.Tpo" -c -o CurlHandle.lo CurlHandle.cpp; \
> then mv -f ".deps/CurlHandle.Tpo" ".deps/CurlHandle.Plo"; else rm -f
> ".deps/CurlHandle.Tpo"; exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl-7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT cURLpp.lo -MD -MP -MF
> ".deps/cURLpp.Tpo" -c -o cURLpp.lo cURLpp.cpp; \
> then mv -f ".deps/cURLpp.Tpo" ".deps/cURLpp.Plo"; else rm -f
> ".deps/cURLpp.Tpo"; exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl- 7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT Exception.lo -MD -MP -MF
> ".deps/Exception.Tpo" -c -o Exception.lo Exception.cpp; \
> then mv -f ".deps/Exception.Tpo" ".deps/Exception.Plo"; else rm -f
> ".deps/Exception.Tpo"; exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl-7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT Easy.lo -MD -MP -MF
> ".deps/Easy.Tpo" -c -o Easy.lo Easy.cpp; \
> then mv -f ".deps/Easy.Tpo" ".deps/Easy.Plo"; else rm -f ".deps/Easy.Tpo";
> exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl- 7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT Form.lo -MD -MP -MF
> ".deps/Form.Tpo" -c -o Form.lo Form.cpp; \
> then mv -f ".deps/Form.Tpo" ".deps/Form.Plo"; else rm -f ".deps/Form.Tpo";
> exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl-7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT Info.lo -MD -MP -MF
> ".deps/Info.Tpo" -c -o Info.lo Info.cpp; \
> then mv -f ".deps/Info.Tpo" ".deps/Info.Plo"; else rm -f ".deps/Info.Tpo";
> exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl- 7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT Multi.lo -MD -MP -MF
> ".deps/Multi.Tpo" -c -o Multi.lo Multi.cpp; \
> then mv -f ".deps/Multi.Tpo" ".deps/Multi.Plo"; else rm -f
> ".deps/Multi.Tpo"; exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl-7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT OptionBase.lo -MD -MP -MF
> ".deps/OptionBase.Tpo" -c -o OptionBase.lo OptionBase.cpp; \
> then mv -f ".deps/OptionBase.Tpo" ".deps/OptionBase.Plo"; else rm -f
> ".deps/OptionBase.Tpo"; exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl- 7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT OptionList.lo -MD -MP -MF
> ".deps/OptionList.Tpo" -c -o OptionList.lo OptionList.cpp; \
> then mv -f ".deps/OptionList.Tpo" ".deps/OptionList.Plo"; else rm -f
> ".deps/OptionList.Tpo"; exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl-7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT OptionSetter.lo -MD -MP -MF
> ".deps/OptionSetter.Tpo" -c -o OptionSetter.lo OptionSetter.cpp; \
> then mv -f ".deps/OptionSetter.Tpo" ".deps/OptionSetter.Plo"; else rm -f
> ".deps/OptionSetter.Tpo"; exit 1; fi
> if /bin/sh ../libtool --silent --tag=CXX --mode=compile g++ -DHAVE_CONFIG_H
> -I. -I. -I.. -I/g/programming/libs/libcurl- 7.16.4/include -I../ -g -W
> -Wall -Werror -I/usr/local/include -MT SList.lo -MD -MP -MF
> ".deps/SList.Tpo" -c -o SList.lo SList.cpp; \
> then mv -f ".deps/SList.Tpo" ".deps/SList.Plo"; else rm -f
> ".deps/SList.Tpo"; exit 1; fi
> /bin/sh ../libtool --silent --tag=CXX --mode=link g++ -I../ -g -W -Wall
> -Werror -I/usr/local/include -L/g/programming/libs/libcurl-7.16.4/lib -o
> libcurlpp.la -rpath /usr/local/lib -no-undefined -Wno-inline-dllimport
> -version-info 0:2:0 CurlHandle.lo cURLpp.lo Exception.lo Easy.lo Form.lo
> Info.lo Multi.lo OptionBase.lo OptionList.lo OptionSetter.lo SList.lo
> -lstdc++ -L/usr/local/lib -lcurl -L/home/dast/src/win32 -lwinmm -lws2_32 -lz
> -lws2_32
> libtool: link: warning: library `/g/programming/libs/libcurl-
> 7.16.4/lib/libcurl.la' was moved.
>
> *** Warning: linker path does not have real file for library -lz.
> *** I have the capability to make that library automatically link in when
> *** you link to this library. But I can only do this if you have a
> *** shared version of the library, which you do not appear to have
> *** because I did check the linker path looking for a file starting
> *** with libz and none of the candidates passed a file format test
> *** using a file magic. Last file checked:
> c:/mingw/bin/../lib/gcc/mingw32/3.4.2/../../../libwinmm.a
> *** The inter-library dependencies that have been dropped here will be
> *** automatically added whenever a program is linked with this library
> *** or is declared to -dlopen it.
>
> *** Since this library must not contain undefined symbols,
> *** because either the platform does not support them or
> *** it was explicitly requested with -no-undefined,
> *** libtool will only create a static version of it.
> make[2]: Leaving directory `/g/programming/libs/curlpp- 0.7.0/curlpp'
> Making all in examples
> make[2]: Entering directory `/g/programming/libs/curlpp-0.7.0/examples'
> if g++ -DHAVE_CONFIG_H -I. -I. -I..
> -I/g/programming/libs/libcurl-7.16.4/include -I../ -g -W -Wall -Werror
> -I/usr/local/include -MT example01.o -MD -MP -MF ".deps/example01.Tpo" -c -o
> example01.o example01.cpp; \
> then mv -f ".deps/example01.Tpo" ".deps/example01.Po"; else rm -f
> ".deps/example01.Tpo"; exit 1; fi
> /bin/sh ../libtool --silent --tag=CXX --mode=link g++ -I../ -g -W -Wall
> -Werror -I/usr/local/include -L../curlpp/ -lcurlpp -static
> -L/g/programming/libs/libcurl-7.16.4/lib -o example01.exe example01.o
> -lstdc++ -L/usr/local/lib -lcurl -L/home/dast/src/win32 -lwinmm -lws2_32 -lz
> -lws2_32
> libtool: link: warning: library
> `/g/programming/libs/libcurl-7.16.4/lib/libcurl.la' was moved.
> libtool: link: warning: library
> `/g/programming/libs/libcurl-7.16.4/lib/libcurl.la' was moved.
> c:\mingw\bin\..\lib\gcc\mingw32\3.4.2\..\..\..\..\mingw32\bin\ld.exe:
> cannot find -lz
> collect2: ld returned 1 exit status
> make[2]: *** [example01.exe] Error 1
> make[2]: Leaving directory `/g/programming/libs/curlpp-0.7.0/examples'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/g/programming/libs/curlpp- 0.7.0'
> make: *** [all] Error 2
>
>
>
>
>
>
> On 8/11/07, Armel Asselin <asselin.armel_at_wanadoo.fr > wrote:
> >
> >
> >
> >
> > thanks armel,
> > I still have the same error, but I dont have the .lib files. I only have
> the .a files.
> > do i have to compile libcurl from source too?
> > generally, unix oriented compilers (such as gcc) build .a files for static
> libraries, and .so for dynamic (or .dylib on Mac OS X) so it seems OK. be
> sure to have -L be the directory containing the libraries. here i build
> libcurl with a few modification so what I explain is for libcurl built from
> source. else -L should point to the place where libcurl is installed on your
> system.
> >
> > On 8/11/07, Armel Asselin <asselin.armel_at_wanadoo.fr> wrote:
> > >
> > >
> > >
> > >
> > > I have been trying to compile curlpp with little success. I am using
> mingw and msys.
> > > Here are the commands I have been using:
> > >
> > > export
> PATH="$PATH:/g/programming/libs/libcurl-7.16.4/bin"
> > > export CPPFLAGS="-I/g/programming/libs/libcurl-
> 7.16.4/include"
> > > ./configure
> > > make
> > >
> > > I eventually run into this error:
> > >
> > >
> c:\mingw\bin\..\lib\gcc\mingw32\3.4.2\..\..\..\..\mingw32\bin\ld.exe:
> cannot find -lcurl
> > > you probably need some -L option in your LDFLAGS, such as
> LDFLAGS="-Lg/programming/libs/libcurl- 7.16.4/lib/.libs"
> > >
> > > Apparently mingw cant find the libcurl library. How do I tell libcurl
> where this file is?
> > > Or is there something else I am doing wrong?
> > >
> > >
> > > Armel
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > cURLpp mailing list
> > > cURLpp_at_rrette.com
> > >
> http://www.rrette.com/mailman/listinfo/curlpp
> > >
> > >
> >
> >
> >
> > ________________________________
>
> >
> > _______________________________________________
> > cURLpp mailing list
> > cURLpp_at_rrette.com
> >
> http://www.rrette.com/mailman/listinfo/curlpp
> >
> >
> >
> > _______________________________________________
> > cURLpp mailing list
> > cURLpp_at_rrette.com
> >
> http://www.rrette.com/mailman/listinfo/curlpp
> >
> >
>
>
> _______________________________________________
> cURLpp mailing list
> cURLpp_at_rrette.com
> http://www.rrette.com/mailman/listinfo/curlpp
>
>
_______________________________________________
cURLpp mailing list
cURLpp_at_rrette.com
http://www.rrette.com/mailman/listinfo/curlpp
Received on 2007-08-15