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(ACX_PTHREAD): Update to latest definition from
autoconf macro archive, to fix pthread linking problem on Solaris 10, reported by Charles Gagnon.
This commit is contained in:
Neil Jerram
parent
af4f861210
commit
d79a62db53
3 changed files with 38 additions and 33 deletions
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@ -1,3 +1,9 @@
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2006-06-06 Neil Jerram <neil@ossau.uklinux.net>
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* acinclude.m4 (ACX_PTHREAD): Update to latest definition from
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autoconf macro archive, to fix pthread linking problem on Solaris
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10, reported by Charles Gagnon.
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2006-04-16 Kevin Ryde <user42@zip.com.au>
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* configure.in (stat64, off_t): New tests.
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1
THANKS
1
THANKS
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@ -31,6 +31,7 @@ For fixes or providing information which led to a fix:
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Alexandre Duret-Lutz
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John W Eaton
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Clinton Ebadi
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Charles Gagnon
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Peter Gavin
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Eric Gillespie, Jr
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John Goerzen
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64
acinclude.m4
64
acinclude.m4
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@ -111,8 +111,8 @@ fi
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dnl Available from the GNU Autoconf Macro Archive at:
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dnl http://www.gnu.org/software/ac-archive/htmldoc/acx_pthread.html
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dnl Available from the Autoconf Macro Archive at:
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dnl http://autoconf-archive.cryp.to/acx_pthread.html
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dnl
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AC_DEFUN([ACX_PTHREAD], [
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AC_REQUIRE([AC_CANONICAL_HOST])
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@ -170,6 +170,7 @@ acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -m
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# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
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# doesn't hurt to check since this sometimes defines pthreads too;
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# also defines -D_REENTRANT)
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# ... -mt is also the pthreads flag for HP/aCC
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# pthread: Linux, etcetera
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# --thread-safe: KAI C++
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# pthread-config: use pthread-config program (for GNU Pth library)
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@ -179,13 +180,13 @@ case "${host_cpu}-${host_os}" in
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# On Solaris (at least, for some versions), libc contains stubbed
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# (non-functional) versions of the pthreads routines, so link-based
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# tests will erroneously succeed. (We need to link with -pthread or
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# tests will erroneously succeed. (We need to link with -pthreads/-mt/
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# -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
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# a function called by this macro, so we could check for that, but
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# who knows whether they'll stub that too in a future libc.) So,
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# we'll just look for -pthreads and -lpthread first:
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acx_pthread_flags="-pthread -pthreads pthread -mt $acx_pthread_flags"
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acx_pthread_flags="-pthreads pthread -mt -pthread $acx_pthread_flags"
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;;
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esac
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@ -202,12 +203,12 @@ for flag in $acx_pthread_flags; do
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PTHREAD_CFLAGS="$flag"
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;;
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pthread-config)
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AC_CHECK_PROG(acx_pthread_config, pthread-config, yes, no)
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if test x"$acx_pthread_config" = xno; then continue; fi
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PTHREAD_CFLAGS="`pthread-config --cflags`"
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PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
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;;
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pthread-config)
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AC_CHECK_PROG(acx_pthread_config, pthread-config, yes, no)
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if test x"$acx_pthread_config" = xno; then continue; fi
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PTHREAD_CFLAGS="`pthread-config --cflags`"
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PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
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;;
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*)
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AC_MSG_CHECKING([for the pthreads library -l$flag])
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@ -255,43 +256,40 @@ if test "x$acx_pthread_ok" = xyes; then
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save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
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# Detect AIX lossage: threads are created detached by default
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# and the JOINABLE attribute has a nonstandard name (UNDETACHED).
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# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
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AC_MSG_CHECKING([for joinable pthread attribute])
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AC_TRY_LINK([#include <pthread.h>],
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[int attr=PTHREAD_CREATE_JOINABLE;],
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ok=PTHREAD_CREATE_JOINABLE, ok=unknown)
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if test x"$ok" = xunknown; then
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AC_TRY_LINK([#include <pthread.h>],
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[int attr=PTHREAD_CREATE_UNDETACHED;],
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ok=PTHREAD_CREATE_UNDETACHED, ok=unknown)
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fi
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if test x"$ok" != xPTHREAD_CREATE_JOINABLE; then
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AC_DEFINE(PTHREAD_CREATE_JOINABLE, $ok,
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[Define to the necessary symbol if this constant
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uses a non-standard name on your system.])
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fi
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AC_MSG_RESULT(${ok})
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if test x"$ok" = xunknown; then
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AC_MSG_WARN([we do not know how to create joinable pthreads])
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attr_name=unknown
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for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
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AC_TRY_LINK([#include <pthread.h>], [int attr=$attr; return attr;],
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[attr_name=$attr; break])
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done
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AC_MSG_RESULT($attr_name)
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if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
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AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name,
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[Define to necessary symbol if this constant
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uses a non-standard name on your system.])
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fi
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AC_MSG_CHECKING([if more special flags are required for pthreads])
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flag=no
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case "${host_cpu}-${host_os}" in
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*-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
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*solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
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*-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
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*solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
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esac
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AC_MSG_RESULT(${flag})
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if test "x$flag" != xno; then
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PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
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PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
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fi
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LIBS="$save_LIBS"
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CFLAGS="$save_CFLAGS"
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# More AIX lossage: must compile with cc_r
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AC_CHECK_PROG(PTHREAD_CC, cc_r, cc_r, ${CC})
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# More AIX lossage: must compile with xlc_r or cc_r
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if test x"$GCC" != xyes; then
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AC_CHECK_PROGS(PTHREAD_CC, xlc_r cc_r, ${CC})
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else
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PTHREAD_CC=$CC
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fi
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else
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PTHREAD_CC="$CC"
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fi
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