Hi , I'm building petsc using cygwin (on a windows machine), and I got the following errors while running "make all", (this is the latest build, i've updated on Feb 28th. ): C:\cygwin\home\PETSC-~4\src\mat\coarsen\impls\mis\mis.c(352) : error C2016: C requires that a struct or union has at least one member C:\cygwin\home\PETSC-~4\src\mat\coarsen\impls\hem\hem.c(322) : error C2016: C requires that a struct or union has at least one member C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(421) : error C2143: syntax error : missing ';' before 'type' C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(424) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(424) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(424) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(432) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(432) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(432) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(434) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(434) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(434) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(436) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(436) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(436) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(437) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(437) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(437) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(438) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(438) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(438) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(439) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(439) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(439) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(440) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(440) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(440) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(442) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(442) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\snes\impls\ms\ms.c(442) : error C2065: 'ierr' : undeclared identifier C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(516) : error C2143: syntax error : missing ';' before 'type' C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(519) : error C2065: 'selected' : undeclared identifier C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(519) : warning C4047: 'function' : 'IS *' differs in levels of indirection from 'int *' C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(519) : warning C4024: 'function through pointer' : different types for formal and actual parameter 3 C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(519) : error C2065: 'llist' : undeclared identifier C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(519) : warning C4047: 'function' : 'IS *' differs in levels of indirection from 'int *' C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(519) : warning C4024: 'function through pointer' : different types for formal and actual parameter 4 C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(520) : error C2065: 'selected' : undeclared identifier C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(520) : warning C4047: 'function' : 'IS' differs in levels of indirection from 'int' C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(520) : warning C4024: 'function through pointer' : different types for formal and actual parameter 4 C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(520) : error C2065: 'llist' : undeclared identifier C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(520) : warning C4047: 'function' : 'IS' differs in levels of indirection from 'int' C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(520) : warning C4024: 'function through pointer' : different types for formal and actual parameter 5 C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(538) : error C2065: 'selected' : undeclared identifier C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(538) : warning C4047: 'function' : 'IS *' differs in levels of indirection from 'int *' C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(538) : warning C4024: 'ISDestroy' : different types for formal and actual parameter 1 C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(539) : error C2065: 'llist' : undeclared identifier C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(539) : warning C4047: 'function' : 'IS *' differs in levels of indirection from 'int *' C:\cygwin\home\PETSC-~4\src\ksp\pc\impls\gamg\gamg.c(539) : warning C4024: 'ISDestroy' : different types for formal and actual parameter 1