diff options
author | Alexander Traud <pabstraud@compuserve.com> | 2016-07-13 15:57:08 +0200 |
---|---|---|
committer | Alexander Traud <pabstraud@compuserve.com> | 2016-07-13 09:01:13 -0500 |
commit | 148cd1b319fae6b14b25965455b5b47aa16be469 (patch) | |
tree | 0d65b397b19b139372c67cedd9bfc97edf7a1d47 /configure | |
parent | 8cea01ab1b3e07282487d7efe1888f290cc4280a (diff) |
BuildSystem: Avoid obsolete warning with pthread.m4 on autoconf.
Updated the macro-set autoconf/ax_pthread.m4 to its latest upstream version.
ASTERISK-26046 #close
Change-Id: I11abc11d17acd2b6a8a5a5be8ae8e0949dab9cc7
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 586 |
1 files changed, 475 insertions, 111 deletions
@@ -1179,7 +1179,7 @@ NOISY_BUILD PTHREAD_CFLAGS PTHREAD_LIBS PTHREAD_CC -acx_pthread_config +ax_pthread_config MD5 SOXMIX PBX_FLEX @@ -7914,6 +7914,76 @@ if test "${MD5}" = "digest" ; then MD5="${MD5} -a md5" fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5 +$as_echo_n "checking for a sed that does not truncate output... " >&6; } +if ${ac_cv_path_SED+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for ac_i in 1 2 3 4 5 6 7; do + ac_script="$ac_script$as_nl$ac_script" + done + echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed + { ac_script=; unset ac_script;} + if test -z "$SED"; then + ac_path_SED_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_SED="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_SED" || continue +# Check for GNU ac_path_SED and select it if it is found. + # Check for GNU $ac_path_SED +case `"$ac_path_SED" --version 2>&1` in +*GNU*) + ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo '' >> "conftest.nl" + "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_SED_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_SED="$ac_path_SED" + ac_path_SED_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_SED_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_SED"; then + as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5 + fi +else + ac_cv_path_SED=$SED +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5 +$as_echo "$ac_cv_path_SED" >&6; } + SED="$ac_cv_path_SED" + rm -f conftest.sed + + @@ -7923,22 +7993,26 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu -acx_pthread_ok=no +ax_pthread_ok=no # We used to check for pthread.h first, but this fails if pthread.h -# requires special compiler flags (e.g. on True64 or Sequent). +# requires special compiler flags (e.g. on Tru64 or Sequent). # It gets checked for in the link test anyway. # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works using # them: -if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then - save_CFLAGS="$CFLAGS" +if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then + ax_pthread_save_CC="$CC" + ax_pthread_save_CFLAGS="$CFLAGS" + ax_pthread_save_LIBS="$LIBS" + if test "x$PTHREAD_CC" != "x"; then : + CC="$PTHREAD_CC" +fi CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - save_LIBS="$LIBS" LIBS="$PTHREAD_LIBS $LIBS" - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS" >&5 -$as_echo_n "checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS" >&5 +$as_echo_n "checking for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -7958,18 +8032,19 @@ return pthread_join (); } _ACEOF if ac_fn_c_try_link "$LINENO"; then : - acx_pthread_ok=yes + ax_pthread_ok=yes fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_pthread_ok" >&5 -$as_echo "$acx_pthread_ok" >&6; } - if test x"$acx_pthread_ok" = xno; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 +$as_echo "$ax_pthread_ok" >&6; } + if test "x$ax_pthread_ok" = "xno"; then PTHREAD_LIBS="" PTHREAD_CFLAGS="" fi - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" + 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 @@ -7982,7 +8057,7 @@ fi # which indicates that we try without any flags at all, and "pthread-config" # which is a program returning the flags for the Pth emulation library. -acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" +ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" # The ordering *is* (sometimes) important. Some notes on the # individual items follow: @@ -7991,59 +8066,269 @@ acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -m # none: in case threads are in libc; should be tried before -Kthread and # other compiler flags to prevent continual compiler warnings # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) -# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) -# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) -# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) -# -pthreads: Solaris/gcc -# -mthreads: Mingw32/gcc, Lynx/gcc +# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64 +# (Note: HP C rejects this with "bad form for `-t' option") +# -pthreads: Solaris/gcc (Note: HP C also rejects) # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it -# doesn't hurt to check since this sometimes defines pthreads too; -# also defines -D_REENTRANT) -# ... -mt is also the pthreads flag for HP/aCC +# doesn't hurt to check since this sometimes defines pthreads and +# -D_REENTRANT too), HP C (must be checked before -lpthread, which +# is present but should not be used directly; and before -mthreads, +# because the compiler interprets this as "-mt" + "-hreads") +# -mthreads: Mingw32/gcc, Lynx/gcc # pthread: Linux, etcetera # --thread-safe: KAI C++ # pthread-config: use pthread-config program (for GNU Pth library) -case "${host_cpu}-${host_os}" in - *solaris*) +case $host_os in + + freebsd*) + + # -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" + ;; + + hpux*) + + # 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 $ax_pthread_flags" + ;; + + openedition*) + + # IBM z/OS requires a feature-test macro to be defined in order to + # enable POSIX threads at all, so give the user a hint if this is + # not set. (We don't define these ourselves, as they can affect + # other portions of the system API in unpredictable ways.) + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +# if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS) + AX_PTHREAD_ZOS_MISSING +# endif + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "AX_PTHREAD_ZOS_MISSING" >/dev/null 2>&1; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support." >&5 +$as_echo "$as_me: WARNING: IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support." >&2;} +fi +rm -f conftest* + + ;; + + 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. (We need to link with -pthreads/-mt/ - # -lpthread.) (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 just look for -pthreads and -lpthread first: + # 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 $ax_pthread_flags" + ;; +esac + +# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) + +if test "x$GCC" = "xyes"; then : + ax_pthread_flags="-pthread -pthreads $ax_pthread_flags" +fi + +# The presence of a feature test macro requesting re-entrant function +# definitions is, on some systems, a strong hint that pthreads support is +# correctly enabled + +case $host_os in + darwin* | hpux* | linux* | osf* | solaris*) + ax_pthread_check_macro="_REENTRANT" + ;; + + aix*) + ax_pthread_check_macro="_THREAD_SAFE" + ;; - acx_pthread_flags="-pthreads pthread -mt -pthread $acx_pthread_flags" + *) + ax_pthread_check_macro="--" ;; esac +if test "x$ax_pthread_check_macro" = "x--"; then : + ax_pthread_check_cond=0 +else + ax_pthread_check_cond="!defined($ax_pthread_check_macro)" +fi + +# Are we compiling with Clang? + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC is Clang" >&5 +$as_echo_n "checking whether $CC is Clang... " >&6; } +if ${ax_cv_PTHREAD_CLANG+:} false; then : + $as_echo_n "(cached) " >&6 +else + ax_cv_PTHREAD_CLANG=no + # Note that Autoconf sets GCC=yes for Clang as well as GCC + if test "x$GCC" = "xyes"; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Note: Clang 2.7 lacks __clang_[a-z]+__ */ +# if defined(__clang__) && defined(__llvm__) + AX_PTHREAD_CC_IS_CLANG +# endif + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "AX_PTHREAD_CC_IS_CLANG" >/dev/null 2>&1; then : + ax_cv_PTHREAD_CLANG=yes +fi +rm -f conftest* + + fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG" >&5 +$as_echo "$ax_cv_PTHREAD_CLANG" >&6; } +ax_pthread_clang="$ax_cv_PTHREAD_CLANG" + +ax_pthread_clang_warning=no + +# Clang needs special handling, because older versions handle the -pthread +# option in a rather... idiosyncratic way + +if test "x$ax_pthread_clang" = "xyes"; then + + # 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 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= + + 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. + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread" >&5 +$as_echo_n "checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread... " >&6; } +if ${ax_cv_PTHREAD_CLANG_NO_WARN_FLAG+:} false; then : + $as_echo_n "(cached) " >&6 +else + 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="$CFLAGS" + for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do + if test "x$ax_pthread_try" = "xunknown"; then : + break +fi + CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS" + ac_link="$ax_pthread_save_ac_link" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void){return 0;} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_link="$ax_pthread_2step_ac_link" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void){return 0;} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + break +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + done + ac_link="$ax_pthread_save_ac_link" + CFLAGS="$ax_pthread_save_CFLAGS" + if test "x$ax_pthread_try" = "x"; then : + ax_pthread_try=no +fi + ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&5 +$as_echo "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&6; } + + case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in + no | unknown) ;; + *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;; + esac -if test x"$acx_pthread_ok" = xno; then -for flag in $acx_pthread_flags; do +fi # $ax_pthread_clang = yes - case $flag in +if test "x$ax_pthread_ok" = "xno"; then +for ax_pthread_try_flag in $ax_pthread_flags; do + + case $ax_pthread_try_flag in none) { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work without any flags" >&5 $as_echo_n "checking whether pthreads work without any flags... " >&6; } ;; + -mt,pthread) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with -mt -lpthread" >&5 +$as_echo_n "checking whether pthreads work with -mt -lpthread... " >&6; } + PTHREAD_CFLAGS="-mt" + PTHREAD_LIBS="-lpthread" + ;; + -*) - { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $flag" >&5 -$as_echo_n "checking whether pthreads work with $flag... " >&6; } - PTHREAD_CFLAGS="$flag" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $ax_pthread_try_flag" >&5 +$as_echo_n "checking whether pthreads work with $ax_pthread_try_flag... " >&6; } + PTHREAD_CFLAGS="$ax_pthread_try_flag" ;; - pthread-config) - # Extract the first word of "pthread-config", so it can be a program name with args. + pthread-config) + # Extract the first word of "pthread-config", so it can be a program name with args. set dummy pthread-config; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_acx_pthread_config+:} false; then : +if ${ac_cv_prog_ax_pthread_config+:} false; then : $as_echo_n "(cached) " >&6 else - if test -n "$acx_pthread_config"; then - ac_cv_prog_acx_pthread_config="$acx_pthread_config" # Let the user override the test. + if test -n "$ax_pthread_config"; then + ac_cv_prog_ax_pthread_config="$ax_pthread_config" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH @@ -8052,7 +8337,7 @@ do test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_acx_pthread_config="yes" + ac_cv_prog_ax_pthread_config="yes" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi @@ -8060,35 +8345,37 @@ done done IFS=$as_save_IFS - test -z "$ac_cv_prog_acx_pthread_config" && ac_cv_prog_acx_pthread_config="no" + test -z "$ac_cv_prog_ax_pthread_config" && ac_cv_prog_ax_pthread_config="no" fi fi -acx_pthread_config=$ac_cv_prog_acx_pthread_config -if test -n "$acx_pthread_config"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_pthread_config" >&5 -$as_echo "$acx_pthread_config" >&6; } +ax_pthread_config=$ac_cv_prog_ax_pthread_config +if test -n "$ax_pthread_config"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_config" >&5 +$as_echo "$ax_pthread_config" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi - if test x"$acx_pthread_config" = xno; then continue; fi - PTHREAD_CFLAGS="`pthread-config --cflags`" - PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" - ;; + if test "x$ax_pthread_config" = "xno"; then : + continue +fi + PTHREAD_CFLAGS="`pthread-config --cflags`" + PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" + ;; *) - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$flag" >&5 -$as_echo_n "checking for the pthreads library -l$flag... " >&6; } - PTHREAD_LIBS="-l$flag" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$ax_pthread_try_flag" >&5 +$as_echo_n "checking for the pthreads library -l$ax_pthread_try_flag... " >&6; } + PTHREAD_LIBS="-l$ax_pthread_try_flag" ;; esac - save_LIBS="$LIBS" - save_CFLAGS="$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 @@ -8099,33 +8386,42 @@ $as_echo_n "checking for the pthreads library -l$flag... " >&6; } # 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. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #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; } int main () { -pthread_t th; pthread_join(th, 0); - pthread_attr_init(0); pthread_cleanup_push(0, 0); - pthread_create(0,0,0,0); pthread_cleanup_pop(0); +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) /* ; */ ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : - acx_pthread_ok=yes + ax_pthread_ok=yes fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" + CFLAGS="$ax_pthread_save_CFLAGS" + LIBS="$ax_pthread_save_LIBS" - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_pthread_ok" >&5 -$as_echo "$acx_pthread_ok" >&6; } - if test "x$acx_pthread_ok" = xyes; then - break; - fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 +$as_echo "$ax_pthread_ok" >&6; } + if test "x$ax_pthread_ok" = "xyes"; then : + break +fi PTHREAD_LIBS="" PTHREAD_CFLAGS="" @@ -8133,63 +8429,127 @@ done fi # Various other checks: -if test "x$acx_pthread_ok" = xyes; then - save_LIBS="$LIBS" - LIBS="$PTHREAD_LIBS $LIBS" - save_CFLAGS="$CFLAGS" +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" # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5 $as_echo_n "checking for joinable pthread attribute... " >&6; } - attr_name=unknown - for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do - cat confdefs.h - <<_ACEOF >conftest.$ac_ext +if ${ax_cv_PTHREAD_JOINABLE_ATTR+:} false; then : + $as_echo_n "(cached) " >&6 +else + ax_cv_PTHREAD_JOINABLE_ATTR=unknown + for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include <pthread.h> int main () { -int attr=$attr; return attr; +int attr = $ax_pthread_attr; return attr /* ; */ ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : - attr_name=$attr; break + ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext - done - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $attr_name" >&5 -$as_echo "$attr_name" >&6; } - if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then + done + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_JOINABLE_ATTR" >&5 +$as_echo "$ax_cv_PTHREAD_JOINABLE_ATTR" >&6; } + if test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \ + test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \ + test "x$ax_pthread_joinable_attr_defined" != "xyes"; then : cat >>confdefs.h <<_ACEOF -#define PTHREAD_CREATE_JOINABLE $attr_name +#define PTHREAD_CREATE_JOINABLE $ax_cv_PTHREAD_JOINABLE_ATTR _ACEOF - fi + ax_pthread_joinable_attr_defined=yes - { $as_echo "$as_me:${as_lineno-$LINENO}: checking if more special flags are required for pthreads" >&5 -$as_echo_n "checking if more special flags are required for pthreads... " >&6; } - flag=no - case "${host_cpu}-${host_os}" in - *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";; - *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";; - esac - { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${flag}" >&5 -$as_echo "${flag}" >&6; } - if test "x$flag" != xno; then - PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" - fi +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether more special flags are required for pthreads" >&5 +$as_echo_n "checking whether more special flags are required for pthreads... " >&6; } +if ${ax_cv_PTHREAD_SPECIAL_FLAGS+:} false; then : + $as_echo_n "(cached) " >&6 +else + ax_cv_PTHREAD_SPECIAL_FLAGS=no + case $host_os in + solaris*) + ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS" + ;; + esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_SPECIAL_FLAGS" >&5 +$as_echo "$ax_cv_PTHREAD_SPECIAL_FLAGS" >&6; } + if test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \ + test "x$ax_pthread_special_flags_added" != "xyes"; then : + PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS" + ax_pthread_special_flags_added=yes +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PTHREAD_PRIO_INHERIT" >&5 +$as_echo_n "checking for PTHREAD_PRIO_INHERIT... " >&6; } +if ${ax_cv_PTHREAD_PRIO_INHERIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <pthread.h> +int +main () +{ +int i = PTHREAD_PRIO_INHERIT; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_cv_PTHREAD_PRIO_INHERIT=yes +else + ax_cv_PTHREAD_PRIO_INHERIT=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_PRIO_INHERIT" >&5 +$as_echo "$ax_cv_PTHREAD_PRIO_INHERIT" >&6; } + if test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \ + test "x$ax_pthread_prio_inherit_defined" != "xyes"; then : + +$as_echo "#define HAVE_PTHREAD_PRIO_INHERIT 1" >>confdefs.h + + ax_pthread_prio_inherit_defined=yes + +fi - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" + CFLAGS="$ax_pthread_save_CFLAGS" + LIBS="$ax_pthread_save_LIBS" - # More AIX lossage: must compile with xlc_r or cc_r - if test x"$GCC" != xyes; then - for ac_prog in xlc_r cc_r + # More AIX lossage: compile with *_r variant + if test "x$GCC" != "xyes"; then + case $host_os in + aix*) + case "x/$CC" in #( + 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 + case "x$CC" in #( + x/*) : + if as_fn_executable_p ${CC}_r; then : + PTHREAD_CC="${CC}_r" +fi ;; #( + *) : + for ac_prog in ${CC}_r do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 @@ -8230,27 +8590,31 @@ fi test -n "$PTHREAD_CC" && break done -test -n "$PTHREAD_CC" || PTHREAD_CC="${CC}" - - else - PTHREAD_CC=$CC - fi -else - PTHREAD_CC="$CC" +test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" + ;; +esac ;; #( + *) : + ;; +esac + ;; + esac + fi fi +test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" + # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: -if test x"$acx_pthread_ok" = xyes; then +if test "x$ax_pthread_ok" = "xyes"; then $as_echo "#define HAVE_PTHREAD 1" >>confdefs.h : else - acx_pthread_ok=no + ax_pthread_ok=no fi ac_ext=c |