# Error building 0.9.1 on Cygwin **URL:** \ **Category:** NGINX\ **Created:** [December 1, 2010, 1:23am UTC](https://www.ruby-forum.com/t/error-building-0-9-1-on-cygwin/199893 "2010-12-01T01:23:21Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/77aa72/32.png) [@Dobai-Pataky\_BSSSSl](https://www.ruby-forum.com/u/Dobai-Pataky_BSSSSl)\ **Post date:** [December 1, 2010, 1:23am UTC](https://www.ruby-forum.com/t/error-building-0-9-1-on-cygwin/199893/1 "2010-12-01T01:23:21Z")
Got the following error when building in Cygwin on Windows 7 Ultimate. Any help is appreciated… ``` -o objs/src/os/unix/ngx_time.o \ src/os/unix/ngx_time.c ``` gcc -c -pipe -O -W -Wall -Wpointer-arith -Wno-unused-parameter -Wunused-functio n -Wunused-variable -Wunused-value -Werror -g -D FD\_SETSIZE=2048 -I src/core -I src/event -I src/event/modules -I src/os/unix -I ~/openssl-0.9.8l/.openssl/inclu de -I objs -o objs/src/os/unix/ngx\_errno.o src/os/unix/ngx\_errno.c src/os/unix/ngx\_errno.c: In function `ngx_strerror': src/os/unix/ngx_errno.c:36: error:`NGX\_SYS\_NERR’ undeclared (first use in this function) src/os/unix/ngx\_errno.c:36: error: (Each undeclared identifier is reported only once src/os/unix/ngx\_errno.c:36: error: for each function it appears in.) src/os/unix/ngx\_errno.c: In function `ngx_strerror_init': src/os/unix/ngx_errno.c:57: error:`NGX\_SYS\_NERR’ undeclared (first use in this function) make[1]: \*\*\* [objs/src/os/unix/ngx\_errno.o] Error 1 make[1]: Leaving directory `/home/kworthington/nginx-0.9.1’ make: \*\*\* [build] Error 2 ## Best regards, Kevin Kevin W. removed\_email\_address@domain.invalid ---
**Author:** ![inspire22](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/i/a4c791/32.png) [@inspire22](https://www.ruby-forum.com/u/inspire22)\ **Post date:** [December 1, 2010, 7:32am UTC](https://www.ruby-forum.com/t/error-building-0-9-1-on-cygwin/199893/2 "2010-12-01T07:32:41Z")
On Tue, Nov 30, 2010 at 07:22:02PM -0500, Kevin W. wrote: > ``` > src/os/unix/ngx_errno.c > > ``` > > make[1]: Leaving directory `/home/kworthington/nginx-0.9.1’ > make: \*\*\* [build] Error 2 Try the attached patch. ---
**Author:** ![inspire22](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/i/a4c791/32.png) [@inspire22](https://www.ruby-forum.com/u/inspire22)\ **Post date:** [December 1, 2010, 1:43pm UTC](https://www.ruby-forum.com/t/error-building-0-9-1-on-cygwin/199893/3 "2010-12-01T13:43:08Z")
On Wed, Dec 01, 2010 at 07:37:52AM -0500, Kevin W. wrote: > ``` > -o objs/src/os/unix/ngx_errno.o \ > > ``` > > make[1]: \*\*\* [objs/src/os/unix/ngx\_errno.o] Error 1 > make[1]: Leaving directory `/home/kworthington/nginx-0.9.1’ > make: \*\*\* [build] Error 2 > > Any other ideas? What does ./configure show near checking for \_sys\_nerr … checking for sys\_nerr … ? > > > ``` > > > -o objs/src/os/unix/ngx_time.o \ > > > > > > ``` > > > > > > src/os/unix/ngx\_errno.c:36: error: (Each undeclared identifier is reported > > > only > > * * * > > nginx mailing list > [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) > [mailman.nginx.org archive](http://nginx.org/mailman/listinfo/nginx) – Igor S. > **[Igor Sysoev](http://sysoev.ru/en/)** ---
**Author:** ![inspire22](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/i/a4c791/32.png) [@inspire22](https://www.ruby-forum.com/u/inspire22)\ **Post date:** [December 1, 2010, 3:22pm UTC](https://www.ruby-forum.com/t/error-building-0-9-1-on-cygwin/199893/4 "2010-12-01T15:22:20Z")
Hi Igor, It says “not found” for both… How can this be fixed to compile? Thanks for your help! Best regards, Kevin 2010/12/1 Igor S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid): ---
**Author:** ![inspire22](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/i/a4c791/32.png) [@inspire22](https://www.ruby-forum.com/u/inspire22)\ **Post date:** [December 1, 2010, 3:28pm UTC](https://www.ruby-forum.com/t/error-building-0-9-1-on-cygwin/199893/5 "2010-12-01T15:28:36Z")
On Wed, Dec 01, 2010 at 09:21:05AM -0500, Kevin W. wrote: > Hi Igor, > > It says “not found” for both… > > How can this be fixed to compile? Thanks for your help! Try the new attached patch. ---
**Author:** ![inspire22](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/i/a4c791/32.png) [@inspire22](https://www.ruby-forum.com/u/inspire22)\ **Post date:** [December 1, 2010, 1:39pm UTC](https://www.ruby-forum.com/t/error-building-0-9-1-on-cygwin/199893/6 "2010-12-01T13:39:22Z")
Hi Igor, I applied the patch and got a similar error: ``` -o objs/src/os/unix/ngx_time.o \ src/os/unix/ngx_time.c ``` gcc -c -pipe -O -W -Wall -Wpointer-arith -Wno-unused-parameter -Wunused-functio n -Wunused-variable -Wunused-value -Werror -g -D FD\_SETSIZE=2048 -I src/core -I src/event -I src/event/modules -I src/os/unix -I ~/openssl-0.9.8l/.openssl/inclu de -I objs -o objs/src/os/unix/ngx\_errno.o src/os/unix/ngx\_errno.c src/os/unix/ngx\_errno.c: In function `ngx_strerror': src/os/unix/ngx_errno.c:36: error: `NGX\_SYS\_NERR’ undeclared (first use in this function) src/os/unix/ngx\_errno.c:36: error: (Each undeclared identifier is reported only once src/os/unix/ngx\_errno.c:36: error: for each function it appears in.) src/os/unix/ngx\_errno.c: In function `ngx_strerror_init': src/os/unix/ngx_errno.c:57: error: `NGX\_SYS\_NERR’ undeclared (first use in this function) make[1]: \*\*\* [objs/src/os/unix/ngx\_errno.o] Error 1 make[1]: Leaving directory `/home/kworthington/nginx-0.9.1’ make: \*\*\* [build] Error 2 Any other ideas? Thanks, Kevin 2010/12/1 Igor S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid): ---
**Author:** ![inspire22](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/i/a4c791/32.png) [@inspire22](https://www.ruby-forum.com/u/inspire22)\ **Post date:** [December 1, 2010, 7:31pm UTC](https://www.ruby-forum.com/t/error-building-0-9-1-on-cygwin/199893/7 "2010-12-01T19:31:32Z")
Hi Igor, That worked perfectly! Thanks very much! ## Kevin Kevin W. 2010/12/1 Igor S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):