I am trying to build the client at the moment in cygwin but getting an error to do with libcurl which I cant quite understand.

Everything is fine in the configure until this point:

...
...
checking library extension... a
checking shared object extension... dll
checking for gawk... (cached) /usr/bin/gawk
checking for curl-config... /usr/bin/curl-config
checking for the version of libcurl... 7.34.0
checking for libcurl >= version 7.17.1... yes
checking whether libcurl is usable... no
configure: error:
================================================================================
ERROR: could not find (recent enough) development-libs for libcurl.

  This library is required to build the boinc-client.
  (If you don't want to build the client, use --disable-client with configure.

  If libcurl-dev is installed on your system, make sure that the script
  'curl-config' is found in your PATH, and that
  'curl-config --version' gives something recent enough (see above).

  You can download libcurl from: http://curl.haxx.se/

================================================================================

from config.log:

configure:23578: result: 7.34.0
configure:23585: checking for libcurl >= version 7.17.1
configure:23598: result: yes
configure:24200: checking whether libcurl is usable
configure:24233: gcc -o conftest.exe -I/usr/include/w32api -D_WIN32 -DWIN32 -g -O2 -Wall -I/usr/include/w32api  -D_WIN32 -DWIN32    conftest.c -L/usr/lib/w32api  -lcurl >&5
In file included from conftest.c:29:0:
/usr/include/curl/curl.h:116:1: error: unknown type name 'SOCKET'
 typedef SOCKET curl_socket_t;
 ^
conftest.c: In function 'main':
conftest.c:36:5: warning: variable 'x' set but not used [-Wunused-but-set-variable]
 int x;
     ^
configure:24233: $? = 1

Anyone got ideas on how to either further diagnose or fix?

Thanks!

I have no problem compiling the Client under Debian with the same libcurl version installed. Maybe you are lacking the header files in your cygwin environment?

SOCKET seems to be something defined in Windows headers. Do you have Platform SDK (or Windows SDK) installed and is it in /usr/include/w32api ?

Maybe you are lacking the header files in your cygwin environment?

Thanks for the response

Could you expand upon this at all? What headers are you referring to?

Do you have Platform SDK (or Windows SDK) installed and is it in /usr/include/w32api

Thanks for your reply

I have the directory and it has a load of files in. Am I looking for anything specific?

Ok, I guess I was wrong with that Platform SDK. Looks like you need to install win32api* package to compile Windows programs. Since you have that directory I think it's installed just fine.

So the SOCKET is defined in winsock.h/winsock2.h. curl.h includes that if you have WIN32 defined and __CYGWIN__ is not defined. If you have both WIN32 and __CYGWIN__ defined you don't get SOCKET defined but a few lines later curl.h assumes SOCKET is defined. WIN32 gets defined in m4/boinc_check_cygwin.m4 macro.

I'm not sure if this is a bug in CURL or in BOINC. You could try renaming boinc_check_cygwin.m4. After that run _autosetup and configure again. I don't think Cygwin is used much in BOINC world so there's good chances you need'll to fix something else.

I'm having the same issues on cygwin64.
Haven't tried compiling on cygwin32 yet, but I'm guessing it'll be the same.

here is the chuck-out

checking for curl-config... /usr/local/bin/curl-config
checking for the version of libcurl... 7.35.0
checking for libcurl >= version 7.17.1... yes
checking for ber_scanf in -llber... yes
checking whether libcurl is usable... no
configure: error:
================================================================================
ERROR: could not find (recent enough) development-libs for libcurl.

This library is required to build the boinc-client.
(If you don't want to build the client, use --disable-client with configure.

If libcurl-dev is installed on your system, make sure that the script
'curl-config' is found in your PATH, and that
'curl-config --version' gives something recent enough (see above).

You can download libcurl from: http://curl.haxx.se/

================================================================================

using the latest GIT Repo
(http://boinc.berkeley.edu/git/boinc-v2.git boinc_repo)

Juha wrote:

...You could try renaming boinc_check_cygwin.m4. After that run _autosetup and configure again.

That passed the "./configure" build :)

however... failed the "make" :(

Here is the chuck-out:

cd . && sh generate_svn_version.sh
make all-recursive
make[1]: Entering directory '/cygdrive/c/Projects/boinc/boinc_repo'
Making all in m4
make[2]: Entering directory '/cygdrive/c/Projects/boinc/boinc_repo/m4'
make[2]: Nothing to be done for 'all'.
make[2]: Leaving directory '/cygdrive/c/Projects/boinc/boinc_repo/m4'
Making all in api
make[2]: Entering directory '/cygdrive/c/Projects/boinc/boinc_repo/api'
CXX boinc_api.lo
CXX graphics2_util.lo
CXX reduce_main.lo
CXXLD libboinc_api.la
libtool: link: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries
CXX boinc_opencl.lo
CXXLD libboinc_opencl.la
libtool: link: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries
rm -f libboinc_api.a
/usr/bin/ln .libs/libboinc_api.a .
rm -f libboinc_opencl.a
/usr/bin/ln .libs/libboinc_opencl.a .
make[2]: Leaving directory '/cygdrive/c/Projects/boinc/boinc_repo/api'
Making all in lib
make[2]: Entering directory '/cygdrive/c/Projects/boinc/boinc_repo/lib'
CXX libboinc_la-app_ipc.lo
CXX libboinc_la-base64.lo
CXX libboinc_la-cc_config.lo
CXX libboinc_la-cert_sig.lo
CXX libboinc_la-coproc.lo
CXX libboinc_la-diagnostics.lo
diagnostics.cpp:658:6: warning: unused parameter 'siginfo' [-Wunused-parameter]
void boinc_catch_signal(int signal, struct siginfo *siginfo, void *sigcontext) {
^
diagnostics.cpp:658:6: warning: unused parameter 'sigcontext' [-Wunused-parameter]
CXX libboinc_la-filesys.lo
CXX libboinc_la-gui_rpc_client.lo
CXX libboinc_la-gui_rpc_client_ops.lo
CXX libboinc_la-gui_rpc_client_print.lo
CXX libboinc_la-hostinfo.lo
CC libboinc_la-md5.lo
CXX libboinc_la-md5_file.lo
CXX libboinc_la-mem_usage.lo
CXX libboinc_la-mfile.lo
CXX libboinc_la-miofile.lo
CXX libboinc_la-msg_log.lo
CXX libboinc_la-network.lo
CXX libboinc_la-notice.lo
CXX libboinc_la-opencl_boinc.lo
CXX libboinc_la-parse.lo
CXX libboinc_la-prefs.lo
CXX libboinc_la-procinfo.lo
CXX libboinc_la-proc_control.lo
CXX libboinc_la-proxy_info.lo
CXX libboinc_la-shmem.lo
shmem.cpp: In function 'int create_shmem(key_t, int, gid_t, void**)':
shmem.cpp:417:42: error: 'SHM_R' was not declared in this scope
id = shmget(key, size, IPC_CREAT|SHM_R|SHM_W);
^
shmem.cpp:417:48: error: 'SHM_W' was not declared in this scope
id = shmget(key, size, IPC_CREAT|SHM_R|SHM_W);
^
Makefile:1383: recipe for target 'libboinc_la-shmem.lo' failed
make[2]: *** [libboinc_la-shmem.lo] Error 1
make[2]: Leaving directory '/cygdrive/c/Projects/boinc/boinc_repo/lib'
Makefile:621: recipe for target 'all-recursive' failed
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory '/cygdrive/c/Projects/boinc/boinc_repo'
Makefile:524: recipe for target 'all' failed
make: *** [all] Error 2

any ideas?

CXXLD libboinc_api.la
libtool: link: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries
CXX boinc_opencl.lo
CXXLD libboinc_opencl.la
libtool: link: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries

This might mean troubles ahead.

shmem.cpp: In function 'int create_shmem(key_t, int, gid_t, void**)':
shmem.cpp:417:42: error: 'SHM_R' was not declared in this scope
id = shmget(key, size, IPC_CREAT|SHM_R|SHM_W);
^
any ideas?

Try replacing SHM_R|SHM_W with S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP

---

If I may ask, why Cygwin?