Hi,

I had the same problem. It turned out that the mit-pthreads configure has
only checks for 1.4 and not for 1.5.

Bernd

*** ./mit-pthreads/config/configure.in-orig	Fri Dec 31 01:15:51 1999
--- ./mit-pthreads/config/configure.in	Wed Aug  2 23:05:19 2000
***************
*** 125,131 ****
  
  case $host in
  changequote(,)dnl
!     alpha-*-netbsd1.3[H-Z]|alpha-*-netbsd1.4*)
  	name=alpha-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork lseek pipe fstat"
--- 125,131 ----
  
  case $host in
  changequote(,)dnl
!     alpha-*-netbsd1.3[H-Z]|alpha-*-netbsd1.4*|alpha-*-netbsd1.5*)
  	name=alpha-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork lseek pipe fstat"
***************
*** 151,157 ****
  	fi
  	;;
  changequote(,)dnl
!     arm32-*-netbsd1.3[H-Z]|arm32-*-netbsd1.4*)
  	name=arm32-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork pipe lseek ftruncate fstat"
--- 151,157 ----
  	fi
  	;;
  changequote(,)dnl
!     arm32-*-netbsd1.3[H-Z]|arm32-*-netbsd1.4*|arm32-*-netbsd1.5*)
  	name=arm32-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork pipe lseek ftruncate fstat"
***************
*** 198,204 ****
  	AC_DEFINE(BROKEN_SIGNALS)
  	;;
  changequote(,)dnl
!     sparc-*-netbsd1.3[H-Z]|sparc-*-netbsd1.4*)
  	name=sparc-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="pipe fork lseek ftruncate fstat"
--- 198,204 ----
  	AC_DEFINE(BROKEN_SIGNALS)
  	;;
  changequote(,)dnl
!     sparc-*-netbsd1.3[H-Z]|sparc-*-netbsd1.4*|sparc-*-netbsd1.5*)
  	name=sparc-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="pipe fork lseek ftruncate fstat"
***************
*** 236,242 ****
          except="fork lseek ftruncate sigsuspend"
  		;;
  changequote(,)dnl
!     i386-*-netbsd1.3[H-Z]|i386-*-netbsd1.4*)
  	name=i386-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork lseek ftruncate pipe fstat"
--- 236,242 ----
          except="fork lseek ftruncate sigsuspend"
  		;;
  changequote(,)dnl
!     i386-*-netbsd1.3[H-Z]|i386-*-netbsd1.4*|i386-*-netbsd1.5*)
  	name=i386-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork lseek ftruncate pipe fstat"
*** ./mit-pthreads/config/configure-orig	Fri Dec 31 01:15:51 1999
--- ./mit-pthreads/config/configure	Wed Aug  2 23:08:40 2000
***************
*** 1165,1171 ****
  name=$host_cpu-$host_os
  
  case $host in
!     alpha-*-netbsd1.3[H-Z]|alpha-*-netbsd1.4*)
  	name=alpha-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork lseek pipe fstat"
--- 1165,1171 ----
  name=$host_cpu-$host_os
  
  case $host in
!     alpha-*-netbsd1.3[H-Z]|alpha-*-netbsd1.4*|alpha-*-netbsd1.5*)
  	name=alpha-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork lseek pipe fstat"
***************
*** 1189,1195 ****
  	  CFLAGS="$CFLAGS -std"
  	fi
  	;;
!     arm32-*-netbsd1.3[H-Z]|arm32-*-netbsd1.4*)
  	name=arm32-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork pipe lseek ftruncate fstat"
--- 1189,1195 ----
  	  CFLAGS="$CFLAGS -std"
  	fi
  	;;
!     arm32-*-netbsd1.3[H-Z]|arm32-*-netbsd1.4*|arm32-*-netbsd1.5*)
  	name=arm32-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork pipe lseek ftruncate fstat"
***************
*** 1249,1255 ****
  EOF
  
  	;;
!     sparc-*-netbsd1.3[H-Z]|sparc-*-netbsd1.4*)
  	name=sparc-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="pipe fork lseek ftruncate fstat"
--- 1249,1255 ----
  EOF
  
  	;;
!     sparc-*-netbsd1.3[H-Z]|sparc-*-netbsd1.4*|sparc-*-netbsd1.5*)
  	name=sparc-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="pipe fork lseek ftruncate fstat"
***************
*** 1285,1291 ****
          syscall=i386-bsdi-2.0
          except="fork lseek ftruncate sigsuspend"
  		;;
!     i386-*-netbsd1.3[H-Z]|i386-*-netbsd1.4*)
  	name=i386-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork lseek ftruncate pipe fstat"
--- 1285,1291 ----
          syscall=i386-bsdi-2.0
          except="fork lseek ftruncate sigsuspend"
  		;;
!     i386-*-netbsd1.3[H-Z]|i386-*-netbsd1.4*|i386-*-netbsd1.5*)
  	name=i386-netbsd-1.3
  	sysincludes=netbsd-1.1
  	except="fork lseek ftruncate pipe fstat"