mirror of
https://github.com/dashpay/dash.git
synced 2024-12-25 20:12:57 +01:00
Merge #8198: [trivial] Sync ax_pthread with upstream draft4
0e209f9 [trivial] Sync ax_pthread with upstream draft (fanquake)This commit is contained in:
Wladimir J. van der Laan
commit
520161480e
@ -82,7 +82,7 @@
|
||||
# modified version of the Autoconf Macro, you may extend this special
|
||||
# exception to the GPL to apply to your modified version as well.
|
||||
|
||||
#serial 22
|
||||
#serial 23
|
||||
|
||||
AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
|
||||
AC_DEFUN([AX_PTHREAD], [
|
||||
@ -100,22 +100,22 @@ ax_pthread_ok=no
|
||||
# etcetera environment variables, and if threads linking works using
|
||||
# them:
|
||||
if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
|
||||
ax_pthread_save_CC="$CC"
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
|
||||
AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
|
||||
AC_MSG_RESULT([$ax_pthread_ok])
|
||||
if test "x$ax_pthread_ok" = "xno"; then
|
||||
PTHREAD_LIBS=""
|
||||
PTHREAD_CFLAGS=""
|
||||
fi
|
||||
CC="$ax_pthread_save_CC"
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
LIBS="$ax_pthread_save_LIBS"
|
||||
ax_pthread_save_CC="$CC"
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
|
||||
AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes])
|
||||
AC_MSG_RESULT([$ax_pthread_ok])
|
||||
if test "x$ax_pthread_ok" = "xno"; then
|
||||
PTHREAD_LIBS=""
|
||||
PTHREAD_CFLAGS=""
|
||||
fi
|
||||
CC="$ax_pthread_save_CC"
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
LIBS="$ax_pthread_save_LIBS"
|
||||
fi
|
||||
|
||||
# We must check for the threads library under a number of different
|
||||
@ -152,50 +152,50 @@ ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --
|
||||
|
||||
case $host_os in
|
||||
|
||||
freebsd*)
|
||||
freebsd*)
|
||||
|
||||
# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
|
||||
# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
|
||||
# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
|
||||
# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
|
||||
|
||||
ax_pthread_flags="-kthread lthread $ax_pthread_flags"
|
||||
;;
|
||||
ax_pthread_flags="-kthread lthread $ax_pthread_flags"
|
||||
;;
|
||||
|
||||
hpux*)
|
||||
hpux*)
|
||||
|
||||
# From the cc(1) man page: "[-mt] Sets various -D flags to enable
|
||||
# multi-threading and also sets -lpthread."
|
||||
# From the cc(1) man page: "[-mt] Sets various -D flags to enable
|
||||
# multi-threading and also sets -lpthread."
|
||||
|
||||
ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
|
||||
;;
|
||||
ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
|
||||
;;
|
||||
|
||||
openedition*)
|
||||
openedition*)
|
||||
|
||||
# IBM z/OS requires a feature-test macro to be defined in order to
|
||||
# enable POSIX threads at all, so give the user a hint if this is
|
||||
# not set. (We don't define these ourselves, as they can affect
|
||||
# other portions of the system API in unpredictable ways.)
|
||||
# IBM z/OS requires a feature-test macro to be defined in order to
|
||||
# enable POSIX threads at all, so give the user a hint if this is
|
||||
# not set. (We don't define these ourselves, as they can affect
|
||||
# other portions of the system API in unpredictable ways.)
|
||||
|
||||
AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
|
||||
[
|
||||
# if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
|
||||
AX_PTHREAD_ZOS_MISSING
|
||||
# endif
|
||||
],
|
||||
[AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
|
||||
;;
|
||||
AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING],
|
||||
[
|
||||
# if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
|
||||
AX_PTHREAD_ZOS_MISSING
|
||||
# endif
|
||||
],
|
||||
[AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])])
|
||||
;;
|
||||
|
||||
solaris*)
|
||||
solaris*)
|
||||
|
||||
# On Solaris (at least, for some versions), libc contains stubbed
|
||||
# (non-functional) versions of the pthreads routines, so link-based
|
||||
# tests will erroneously succeed. (N.B.: The stubs are missing
|
||||
# pthread_cleanup_push, or rather a function called by this macro,
|
||||
# so we could check for that, but who knows whether they'll stub
|
||||
# that too in a future libc.) So we'll check first for the
|
||||
# standard Solaris way of linking pthreads (-mt -lpthread).
|
||||
# On Solaris (at least, for some versions), libc contains stubbed
|
||||
# (non-functional) versions of the pthreads routines, so link-based
|
||||
# tests will erroneously succeed. (N.B.: The stubs are missing
|
||||
# pthread_cleanup_push, or rather a function called by this macro,
|
||||
# so we could check for that, but who knows whether they'll stub
|
||||
# that too in a future libc.) So we'll check first for the
|
||||
# standard Solaris way of linking pthreads (-mt -lpthread).
|
||||
|
||||
ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
|
||||
;;
|
||||
ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
|
||||
;;
|
||||
esac
|
||||
|
||||
# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
|
||||
@ -208,17 +208,17 @@ AS_IF([test "x$GCC" = "xyes"],
|
||||
# correctly enabled
|
||||
|
||||
case $host_os in
|
||||
darwin* | hpux* | linux* | osf* | solaris*)
|
||||
ax_pthread_check_macro="_REENTRANT"
|
||||
;;
|
||||
darwin* | hpux* | linux* | osf* | solaris*)
|
||||
ax_pthread_check_macro="_REENTRANT"
|
||||
;;
|
||||
|
||||
aix* | freebsd*)
|
||||
ax_pthread_check_macro="_THREAD_SAFE"
|
||||
;;
|
||||
aix*)
|
||||
ax_pthread_check_macro="_THREAD_SAFE"
|
||||
;;
|
||||
|
||||
*)
|
||||
ax_pthread_check_macro="--"
|
||||
;;
|
||||
*)
|
||||
ax_pthread_check_macro="--"
|
||||
;;
|
||||
esac
|
||||
AS_IF([test "x$ax_pthread_check_macro" = "x--"],
|
||||
[ax_pthread_check_cond=0],
|
||||
@ -231,13 +231,13 @@ AC_CACHE_CHECK([whether $CC is Clang],
|
||||
[ax_cv_PTHREAD_CLANG=no
|
||||
# Note that Autoconf sets GCC=yes for Clang as well as GCC
|
||||
if test "x$GCC" = "xyes"; then
|
||||
AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
|
||||
[/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
|
||||
# if defined(__clang__) && defined(__llvm__)
|
||||
AX_PTHREAD_CC_IS_CLANG
|
||||
# endif
|
||||
],
|
||||
[ax_cv_PTHREAD_CLANG=yes])
|
||||
AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
|
||||
[/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
|
||||
# if defined(__clang__) && defined(__llvm__)
|
||||
AX_PTHREAD_CC_IS_CLANG
|
||||
# endif
|
||||
],
|
||||
[ax_cv_PTHREAD_CLANG=yes])
|
||||
fi
|
||||
])
|
||||
ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
|
||||
@ -249,222 +249,222 @@ ax_pthread_clang_warning=no
|
||||
|
||||
if test "x$ax_pthread_clang" = "xyes"; then
|
||||
|
||||
# Clang takes -pthread; it has never supported any other flag
|
||||
# Clang takes -pthread; it has never supported any other flag
|
||||
|
||||
# (Note 1: This will need to be revisited if a system that Clang
|
||||
# supports has POSIX threads in a separate library. This tends not
|
||||
# to be the way of modern systems, but it's conceivable.)
|
||||
# (Note 1: This will need to be revisited if a system that Clang
|
||||
# supports has POSIX threads in a separate library. This tends not
|
||||
# to be the way of modern systems, but it's conceivable.)
|
||||
|
||||
# (Note 2: On some systems, notably Darwin, -pthread is not needed
|
||||
# to get POSIX threads support; the API is always present and
|
||||
# active. We could reasonably leave PTHREAD_CFLAGS empty. But
|
||||
# -pthread does define _REENTRANT, and while the Darwin headers
|
||||
# ignore this macro, third-party headers might not.)
|
||||
# (Note 2: On some systems, notably Darwin, -pthread is not needed
|
||||
# to get POSIX threads support; the API is always present and
|
||||
# active. We could reasonably leave PTHREAD_CFLAGS empty. But
|
||||
# -pthread does define _REENTRANT, and while the Darwin headers
|
||||
# ignore this macro, third-party headers might not.)
|
||||
|
||||
PTHREAD_CFLAGS="-pthread"
|
||||
PTHREAD_LIBS=
|
||||
PTHREAD_CFLAGS="-pthread"
|
||||
PTHREAD_LIBS=
|
||||
|
||||
ax_pthread_ok=yes
|
||||
ax_pthread_ok=yes
|
||||
|
||||
# However, older versions of Clang make a point of warning the user
|
||||
# that, in an invocation where only linking and no compilation is
|
||||
# taking place, the -pthread option has no effect ("argument unused
|
||||
# during compilation"). They expect -pthread to be passed in only
|
||||
# when source code is being compiled.
|
||||
#
|
||||
# Problem is, this is at odds with the way Automake and most other
|
||||
# C build frameworks function, which is that the same flags used in
|
||||
# compilation (CFLAGS) are also used in linking. Many systems
|
||||
# supported by AX_PTHREAD require exactly this for POSIX threads
|
||||
# support, and in fact it is often not straightforward to specify a
|
||||
# flag that is used only in the compilation phase and not in
|
||||
# linking. Such a scenario is extremely rare in practice.
|
||||
#
|
||||
# Even though use of the -pthread flag in linking would only print
|
||||
# a warning, this can be a nuisance for well-run software projects
|
||||
# that build with -Werror. So if the active version of Clang has
|
||||
# this misfeature, we search for an option to squash it.
|
||||
# However, older versions of Clang make a point of warning the user
|
||||
# that, in an invocation where only linking and no compilation is
|
||||
# taking place, the -pthread option has no effect ("argument unused
|
||||
# during compilation"). They expect -pthread to be passed in only
|
||||
# when source code is being compiled.
|
||||
#
|
||||
# Problem is, this is at odds with the way Automake and most other
|
||||
# C build frameworks function, which is that the same flags used in
|
||||
# compilation (CFLAGS) are also used in linking. Many systems
|
||||
# supported by AX_PTHREAD require exactly this for POSIX threads
|
||||
# support, and in fact it is often not straightforward to specify a
|
||||
# flag that is used only in the compilation phase and not in
|
||||
# linking. Such a scenario is extremely rare in practice.
|
||||
#
|
||||
# Even though use of the -pthread flag in linking would only print
|
||||
# a warning, this can be a nuisance for well-run software projects
|
||||
# that build with -Werror. So if the active version of Clang has
|
||||
# this misfeature, we search for an option to squash it.
|
||||
|
||||
AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
|
||||
[ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
|
||||
[ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
|
||||
# Create an alternate version of $ac_link that compiles and
|
||||
# links in two steps (.c -> .o, .o -> exe) instead of one
|
||||
# (.c -> exe), because the warning occurs only in the second
|
||||
# step
|
||||
ax_pthread_save_ac_link="$ac_link"
|
||||
ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
|
||||
ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
|
||||
ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
|
||||
AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
|
||||
CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
|
||||
ac_link="$ax_pthread_save_ac_link"
|
||||
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
|
||||
[ac_link="$ax_pthread_2step_ac_link"
|
||||
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
|
||||
[break])
|
||||
])
|
||||
done
|
||||
ac_link="$ax_pthread_save_ac_link"
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
|
||||
ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
|
||||
])
|
||||
AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread],
|
||||
[ax_cv_PTHREAD_CLANG_NO_WARN_FLAG],
|
||||
[ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
|
||||
# Create an alternate version of $ac_link that compiles and
|
||||
# links in two steps (.c -> .o, .o -> exe) instead of one
|
||||
# (.c -> exe), because the warning occurs only in the second
|
||||
# step
|
||||
ax_pthread_save_ac_link="$ac_link"
|
||||
ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
|
||||
ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
|
||||
ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
|
||||
AS_IF([test "x$ax_pthread_try" = "xunknown"], [break])
|
||||
CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
|
||||
ac_link="$ax_pthread_save_ac_link"
|
||||
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
|
||||
[ac_link="$ax_pthread_2step_ac_link"
|
||||
AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])],
|
||||
[break])
|
||||
])
|
||||
done
|
||||
ac_link="$ax_pthread_save_ac_link"
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no])
|
||||
ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
|
||||
])
|
||||
|
||||
case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
|
||||
no | unknown) ;;
|
||||
*) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
|
||||
esac
|
||||
case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
|
||||
no | unknown) ;;
|
||||
*) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
|
||||
esac
|
||||
|
||||
fi # $ax_pthread_clang = yes
|
||||
|
||||
if test "x$ax_pthread_ok" = "xno"; then
|
||||
for ax_pthread_try_flag in $ax_pthread_flags; do
|
||||
|
||||
case $ax_pthread_try_flag in
|
||||
none)
|
||||
AC_MSG_CHECKING([whether pthreads work without any flags])
|
||||
;;
|
||||
case $ax_pthread_try_flag in
|
||||
none)
|
||||
AC_MSG_CHECKING([whether pthreads work without any flags])
|
||||
;;
|
||||
|
||||
-mt,pthread)
|
||||
AC_MSG_CHECKING([whether pthreads work with -mt -lpthread])
|
||||
PTHREAD_CFLAGS="-mt"
|
||||
PTHREAD_LIBS="-lpthread"
|
||||
;;
|
||||
-mt,pthread)
|
||||
AC_MSG_CHECKING([whether pthreads work with -mt -lpthread])
|
||||
PTHREAD_CFLAGS="-mt"
|
||||
PTHREAD_LIBS="-lpthread"
|
||||
;;
|
||||
|
||||
-*)
|
||||
AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
|
||||
PTHREAD_CFLAGS="$ax_pthread_try_flag"
|
||||
;;
|
||||
-*)
|
||||
AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
|
||||
PTHREAD_CFLAGS="$ax_pthread_try_flag"
|
||||
;;
|
||||
|
||||
pthread-config)
|
||||
AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
|
||||
AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
|
||||
PTHREAD_CFLAGS="`pthread-config --cflags`"
|
||||
PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
|
||||
;;
|
||||
pthread-config)
|
||||
AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
|
||||
AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
|
||||
PTHREAD_CFLAGS="`pthread-config --cflags`"
|
||||
PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
|
||||
;;
|
||||
|
||||
*)
|
||||
AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
|
||||
PTHREAD_LIBS="-l$ax_pthread_try_flag"
|
||||
;;
|
||||
esac
|
||||
*)
|
||||
AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
|
||||
PTHREAD_LIBS="-l$ax_pthread_try_flag"
|
||||
;;
|
||||
esac
|
||||
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
|
||||
# Check for various functions. We must include pthread.h,
|
||||
# since some functions may be macros. (On the Sequent, we
|
||||
# need a special flag -Kthread to make this header compile.)
|
||||
# We check for pthread_join because it is in -lpthread on IRIX
|
||||
# while pthread_create is in libc. We check for pthread_attr_init
|
||||
# due to DEC craziness with -lpthreads. We check for
|
||||
# pthread_cleanup_push because it is one of the few pthread
|
||||
# functions on Solaris that doesn't have a non-functional libc stub.
|
||||
# We try pthread_create on general principles.
|
||||
# Check for various functions. We must include pthread.h,
|
||||
# since some functions may be macros. (On the Sequent, we
|
||||
# need a special flag -Kthread to make this header compile.)
|
||||
# We check for pthread_join because it is in -lpthread on IRIX
|
||||
# while pthread_create is in libc. We check for pthread_attr_init
|
||||
# due to DEC craziness with -lpthreads. We check for
|
||||
# pthread_cleanup_push because it is one of the few pthread
|
||||
# functions on Solaris that doesn't have a non-functional libc stub.
|
||||
# We try pthread_create on general principles.
|
||||
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
|
||||
# if $ax_pthread_check_cond
|
||||
# error "$ax_pthread_check_macro must be defined"
|
||||
# endif
|
||||
static void routine(void *a) { a = 0; }
|
||||
static void *start_routine(void *a) { return a; }],
|
||||
[pthread_t th; pthread_attr_t attr;
|
||||
pthread_create(&th, 0, start_routine, 0);
|
||||
pthread_join(th, 0);
|
||||
pthread_attr_init(&attr);
|
||||
pthread_cleanup_push(routine, 0);
|
||||
pthread_cleanup_pop(0) /* ; */])],
|
||||
[ax_pthread_ok=yes],
|
||||
[])
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
|
||||
# if $ax_pthread_check_cond
|
||||
# error "$ax_pthread_check_macro must be defined"
|
||||
# endif
|
||||
static void routine(void *a) { a = 0; }
|
||||
static void *start_routine(void *a) { return a; }],
|
||||
[pthread_t th; pthread_attr_t attr;
|
||||
pthread_create(&th, 0, start_routine, 0);
|
||||
pthread_join(th, 0);
|
||||
pthread_attr_init(&attr);
|
||||
pthread_cleanup_push(routine, 0);
|
||||
pthread_cleanup_pop(0) /* ; */])],
|
||||
[ax_pthread_ok=yes],
|
||||
[])
|
||||
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
LIBS="$ax_pthread_save_LIBS"
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
LIBS="$ax_pthread_save_LIBS"
|
||||
|
||||
AC_MSG_RESULT([$ax_pthread_ok])
|
||||
AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
|
||||
AC_MSG_RESULT([$ax_pthread_ok])
|
||||
AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
|
||||
|
||||
PTHREAD_LIBS=""
|
||||
PTHREAD_CFLAGS=""
|
||||
PTHREAD_LIBS=""
|
||||
PTHREAD_CFLAGS=""
|
||||
done
|
||||
fi
|
||||
|
||||
# Various other checks:
|
||||
if test "x$ax_pthread_ok" = "xyes"; then
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
ax_pthread_save_CFLAGS="$CFLAGS"
|
||||
ax_pthread_save_LIBS="$LIBS"
|
||||
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
|
||||
LIBS="$PTHREAD_LIBS $LIBS"
|
||||
|
||||
# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
|
||||
AC_CACHE_CHECK([for joinable pthread attribute],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR=unknown
|
||||
for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
|
||||
[int attr = $ax_pthread_attr; return attr /* ; */])],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
|
||||
[])
|
||||
done
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
|
||||
test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
|
||||
test "x$ax_pthread_joinable_attr_defined" != "xyes"],
|
||||
[AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
|
||||
[$ax_cv_PTHREAD_JOINABLE_ATTR],
|
||||
[Define to necessary symbol if this constant
|
||||
uses a non-standard name on your system.])
|
||||
ax_pthread_joinable_attr_defined=yes
|
||||
])
|
||||
# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
|
||||
AC_CACHE_CHECK([for joinable pthread attribute],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR=unknown
|
||||
for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
|
||||
[int attr = $ax_pthread_attr; return attr /* ; */])],
|
||||
[ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break],
|
||||
[])
|
||||
done
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
|
||||
test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
|
||||
test "x$ax_pthread_joinable_attr_defined" != "xyes"],
|
||||
[AC_DEFINE_UNQUOTED([PTHREAD_CREATE_JOINABLE],
|
||||
[$ax_cv_PTHREAD_JOINABLE_ATTR],
|
||||
[Define to necessary symbol if this constant
|
||||
uses a non-standard name on your system.])
|
||||
ax_pthread_joinable_attr_defined=yes
|
||||
])
|
||||
|
||||
AC_CACHE_CHECK([whether more special flags are required for pthreads],
|
||||
[ax_cv_PTHREAD_SPECIAL_FLAGS],
|
||||
[ax_cv_PTHREAD_SPECIAL_FLAGS=no
|
||||
case $host_os in
|
||||
solaris*)
|
||||
ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
|
||||
;;
|
||||
esac
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
|
||||
test "x$ax_pthread_special_flags_added" != "xyes"],
|
||||
[PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
|
||||
ax_pthread_special_flags_added=yes])
|
||||
AC_CACHE_CHECK([whether more special flags are required for pthreads],
|
||||
[ax_cv_PTHREAD_SPECIAL_FLAGS],
|
||||
[ax_cv_PTHREAD_SPECIAL_FLAGS=no
|
||||
case $host_os in
|
||||
solaris*)
|
||||
ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
|
||||
;;
|
||||
esac
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
|
||||
test "x$ax_pthread_special_flags_added" != "xyes"],
|
||||
[PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
|
||||
ax_pthread_special_flags_added=yes])
|
||||
|
||||
AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT],
|
||||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
|
||||
[[int i = PTHREAD_PRIO_INHERIT;]])],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT=yes],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT=no])
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
|
||||
test "x$ax_pthread_prio_inherit_defined" != "xyes"],
|
||||
[AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
|
||||
ax_pthread_prio_inherit_defined=yes
|
||||
])
|
||||
AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT],
|
||||
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
|
||||
[[int i = PTHREAD_PRIO_INHERIT;]])],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT=yes],
|
||||
[ax_cv_PTHREAD_PRIO_INHERIT=no])
|
||||
])
|
||||
AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
|
||||
test "x$ax_pthread_prio_inherit_defined" != "xyes"],
|
||||
[AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], [1], [Have PTHREAD_PRIO_INHERIT.])
|
||||
ax_pthread_prio_inherit_defined=yes
|
||||
])
|
||||
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
LIBS="$ax_pthread_save_LIBS"
|
||||
CFLAGS="$ax_pthread_save_CFLAGS"
|
||||
LIBS="$ax_pthread_save_LIBS"
|
||||
|
||||
# More AIX lossage: compile with *_r variant
|
||||
if test "x$GCC" != "xyes"; then
|
||||
case $host_os in
|
||||
aix*)
|
||||
AS_CASE(["x/$CC"],
|
||||
[x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
|
||||
[#handle absolute path differently from PATH based program lookup
|
||||
AS_CASE(["x$CC"],
|
||||
[x/*],
|
||||
[AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
|
||||
[AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
# More AIX lossage: compile with *_r variant
|
||||
if test "x$GCC" != "xyes"; then
|
||||
case $host_os in
|
||||
aix*)
|
||||
AS_CASE(["x/$CC"],
|
||||
[x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6],
|
||||
[#handle absolute path differently from PATH based program lookup
|
||||
AS_CASE(["x$CC"],
|
||||
[x/*],
|
||||
[AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])],
|
||||
[AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])])
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
fi
|
||||
|
||||
test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
|
||||
@ -475,11 +475,11 @@ AC_SUBST([PTHREAD_CC])
|
||||
|
||||
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
|
||||
if test "x$ax_pthread_ok" = "xyes"; then
|
||||
ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
|
||||
:
|
||||
ifelse([$1],,[AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])],[$1])
|
||||
:
|
||||
else
|
||||
ax_pthread_ok=no
|
||||
$2
|
||||
ax_pthread_ok=no
|
||||
$2
|
||||
fi
|
||||
AC_LANG_POP
|
||||
])dnl AX_PTHREAD
|
||||
|
||||
Loading…
Reference in New Issue
Block a user