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Add a more reliable "getconf" test for Linuxthreads. The later trees should already

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have a better test (and so this should be null-merged there).

ALSO!  Make it so that it accepts NPTL as a valid _equivalent_ implementation.
This commit is contained in:
unknown 2006-07-07 16:47:57 -04:00
parent 861096a58f
commit 89c7db0cb0
1 changed files with 15 additions and 6 deletions
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21
configure.in
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@ -1241,8 +1241,9 @@ if test "$with_named_thread" = "no" -a "$with_mit_threads" = "no"
then
# Look for LinuxThreads.
AC_MSG_CHECKING("LinuxThreads")
res=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`
if test "$res" -gt 0
grepres=`grep Linuxthreads /usr/include/pthread.h 2>/dev/null | wc -l`
getconfres=`which getconf >/dev/null && getconf GNU_LIBPTHREAD_VERSION | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ |grep LINUXTHREADS | wc -l || echo 0`
if test "$grepres" -gt 0 -o "$getconfres" -gt 0
then
AC_MSG_RESULT("Found")
AC_DEFINE(HAVE_LINUXTHREADS)
@ -1255,12 +1256,20 @@ then
else
AC_MSG_RESULT("Not found")
# If this is a linux machine we should barf
AC_MSG_CHECKING("NPTL")
if test "$IS_LINUX" = "true"
then
AC_MSG_ERROR([This is a linux system and Linuxthreads was not
found. On linux Linuxthreads should be used. Please install Linuxthreads
(or a new glibc) and try again. See the Installation chapter in the
Reference Manual for more information.])
getconfres=`which getconf >/dev/null && getconf GNU_LIBPTHREAD_VERSION | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ |grep NPTL | wc -l || echo 0`
if test "$getconfres" -gt 0
then
AC_DEFINE(HAVE_LINUXTHREADS) dnl All this code predates NPTL, so "have linuxthreads" is a poor name.
with_named_thread="-lpthread"
else
AC_MSG_ERROR([This is a Linux system and neither Linuxthreads nor NPTL were
found. Please install Linuxthreads or a new glibc and try
again. See the Installation chapter in the Reference Manual for
more information.])
fi
else
AC_MSG_CHECKING("DEC threads")
if test -f /usr/shlib/libpthread.so -a -f /usr/lib/libmach.a -a -f /usr/ccs/lib/cmplrs/cc/libexc.a