BUG: Do not use CMA threads on HP if they do not exist.

This commit is contained in:
Brad King 2007-09-20 17:21:23 -04:00
parent 004c3639f4
commit 8481c4f1e9
1 changed files with 10 additions and 1 deletions

View File

@ -89,7 +89,16 @@ ENDIF(CMAKE_SYSTEM MATCHES "Windows")
IF(CMAKE_USE_PTHREADS_INIT)
IF(CMAKE_SYSTEM MATCHES "HP-UX-*")
SET(CMAKE_THREAD_LIBS_INIT "-lcma")
# Use libcma if it exists and can be used. It provides more
# symbols than the plain pthread library. CMA threads
# have actually been deprecated:
# http://docs.hp.com/en/B3920-90091/ch12s03.html#d0e11395
# http://docs.hp.com/en/947/d8.html
# but we need to maintain compatibility here.
CHECK_LIBRARY_EXISTS(cma pthread_attr_create "" CMAKE_HAVE_HP_CMA)
IF(CMAKE_HAVE_HP_CMA)
SET(CMAKE_THREAD_LIBS_INIT "-lcma")
ENDIF(CMAKE_HAVE_HP_CMA)
SET(CMAKE_USE_PTHREADS_INIT 1)
SET(CMAKE_HP_PTHREADS_INIT 1)
ENDIF(CMAKE_SYSTEM MATCHES "HP-UX-*")