From 74d9f49621a58cc0389074dfd5ffa5dba33dee05 Mon Sep 17 00:00:00 2001 From: Cristy Date: Tue, 12 Sep 2017 17:04:20 -0400 Subject: [PATCH] ... --- configure | 945 ++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 637 insertions(+), 308 deletions(-) diff --git a/configure b/configure index 2b4fa0704..a7a44276f 100755 --- a/configure +++ b/configure @@ -1928,7 +1928,7 @@ Optional Features: --enable-osx-universal-binary build universal binary on OS X [[default=no]] --disable-openmp do not use OpenMP - --enable-opencl enable OpenCL support + --disable-opencl do not use OpenCL --disable-largefile omit support for large files --enable-shared[=PKGS] build shared libraries [default=yes] --enable-static[=PKGS] build static libraries [default=yes] @@ -4530,7 +4530,7 @@ MAGICK_PATCHLEVEL_VERSION=3 MAGICK_VERSION=7.0.7-3 -MAGICK_GIT_REVISION=21095:c07381aae:20170912 +MAGICK_GIT_REVISION=21099:654564598:20170912 # Substitute library versioning @@ -11378,6 +11378,8 @@ have_threads=no if test "$with_threads" != 'no'; then + + ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' @@ -11387,19 +11389,23 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu ax_pthread_ok=no # We used to check for pthread.h first, but this fails if pthread.h -# requires special compiler flags (e.g. on True64 or Sequent). +# requires special compiler flags (e.g. on Tru64 or Sequent). # It gets checked for in the link test anyway. # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works using # them: -if test x"$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. */ @@ -11425,12 +11431,13 @@ rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 $as_echo "$ax_pthread_ok" >&6; } - if test x"$ax_pthread_ok" = xno; then + if test "x$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 @@ -11443,7 +11450,7 @@ 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. -ax_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: @@ -11452,82 +11459,257 @@ ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt # 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_os} in +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="-pthreads pthread -mt -pthread $ax_pthread_flags" + ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags" ;; +esac - darwin*) - ax_pthread_flags="-pthread $ax_pthread_flags" +# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) + +if test "x$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 $host_os in + darwin* | hpux* | linux* | osf* | solaris*) + ax_pthread_check_macro="_REENTRANT" + ;; + + aix*) + ax_pthread_check_macro="_THREAD_SAFE" + ;; + + *) + ax_pthread_check_macro="--" ;; esac +if test "x$ax_pthread_check_macro" = "x--"; then : + ax_pthread_check_cond=0 +else + ax_pthread_check_cond="!defined($ax_pthread_check_macro)" +fi -# Clang doesn't consider unrecognized options an error unless we specify -# -Werror. We throw in some extra Clang-specific options to ensure that -# this doesn't happen for GCC, which also accepts -Werror. +# Are we compiling with Clang? -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler needs -Werror to reject unknown flags" >&5 -$as_echo_n "checking if compiler needs -Werror to reject unknown flags... " >&6; } -save_CFLAGS="$CFLAGS" -ax_pthread_extra_flags="-Werror" -CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument" -cat confdefs.h - <<_ACEOF >conftest.$ac_ext +{ $as_echo "$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.$ac_ext /* end confdefs.h. */ -int foo(void); -int -main () -{ -foo() - ; - return 0; -} +/* Note: Clang 2.7 lacks __clang_[a-z]+__ */ +# if defined(__clang__) && defined(__llvm__) + AX_PTHREAD_CC_IS_CLANG +# endif + _ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 -$as_echo "yes" >&6; } -else - ax_pthread_extra_flags= - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "AX_PTHREAD_CC_IS_CLANG" >/dev/null 2>&1; then : + ax_cv_PTHREAD_CLANG=yes fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -CFLAGS="$save_CFLAGS" +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 $PTHREAD_CFLAGS" ;; + esac -if test x"$ax_pthread_ok" = xno; then -for flag in $ax_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) @@ -11569,22 +11751,24 @@ $as_echo "no" >&6; } fi - if test x"$ax_pthread_config" = xno; then continue; fi + 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" + ax_pthread_save_CFLAGS="$CFLAGS" + ax_pthread_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags" # Check for various functions. We must include pthread.h, # since some functions may be macros. (On the Sequent, we @@ -11595,9 +11779,13 @@ $as_echo_n "checking for the pthreads library -l$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 +# 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 @@ -11619,14 +11807,14 @@ 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: $ax_pthread_ok" >&5 $as_echo "$ax_pthread_ok" >&6; } - if test "x$ax_pthread_ok" = xyes; then - break; - fi + if test "x$ax_pthread_ok" = "xyes"; then : + break +fi PTHREAD_LIBS="" PTHREAD_CFLAGS="" @@ -11634,72 +11822,80 @@ done fi # Various other checks: -if test "x$ax_pthread_ok" = xyes; then - save_LIBS="$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 $as_echo_n "checking for joinable pthread attribute... " >&6; } - attr_name=unknown - for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do - cat confdefs.h - <<_ACEOF >conftest.$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 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 ${host_os} in - aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";; - osf* | hpux*) flag="-D_REENTRANT";; - solaris*) - if test "$GCC" = "yes"; then - flag="-D_REENTRANT" - else - # TODO: What about Clang on Solaris? - flag="-mt -D_REENTRANT" - fi - ;; - 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 + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int @@ -11721,23 +11917,26 @@ rm -f core conftest.err conftest.$ac_objext \ 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$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"; then : + if test "x$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="$ax_pthread_save_LIBS" # More AIX lossage: compile with *_r variant - if test "x$GCC" != xyes; then + 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$CC" in #( + case "x$CC" in #( x/*) : if as_fn_executable_p ${CC}_r; then : PTHREAD_CC="${CC}_r" @@ -11802,7 +12001,7 @@ test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: -if test x"$ax_pthread_ok" = xyes; then +if test "x$ax_pthread_ok" = "xyes"; then $as_echo "#define HAVE_PTHREAD 1" >>confdefs.h @@ -11919,6 +12118,8 @@ fi # Enable support for OpenCL + + ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' @@ -11928,19 +12129,23 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu ax_pthread_ok=no # We used to check for pthread.h first, but this fails if pthread.h -# requires special compiler flags (e.g. on True64 or Sequent). +# requires special compiler flags (e.g. on Tru64 or Sequent). # It gets checked for in the link test anyway. # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works using # them: -if test x"$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. */ @@ -11966,12 +12171,13 @@ rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 $as_echo "$ax_pthread_ok" >&6; } - if test x"$ax_pthread_ok" = xno; then + if test "x$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 @@ -11984,7 +12190,7 @@ 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. -ax_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: @@ -11993,82 +12199,257 @@ ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt # 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_os} in +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="-pthreads pthread -mt -pthread $ax_pthread_flags" + ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags" ;; +esac - darwin*) - ax_pthread_flags="-pthread $ax_pthread_flags" +# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) + +if test "x$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 $host_os in + darwin* | hpux* | linux* | osf* | solaris*) + ax_pthread_check_macro="_REENTRANT" + ;; + + aix*) + ax_pthread_check_macro="_THREAD_SAFE" + ;; + + *) + ax_pthread_check_macro="--" ;; esac +if test "x$ax_pthread_check_macro" = "x--"; then : + ax_pthread_check_cond=0 +else + ax_pthread_check_cond="!defined($ax_pthread_check_macro)" +fi -# Clang doesn't consider unrecognized options an error unless we specify -# -Werror. We throw in some extra Clang-specific options to ensure that -# this doesn't happen for GCC, which also accepts -Werror. +# Are we compiling with Clang? -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler needs -Werror to reject unknown flags" >&5 -$as_echo_n "checking if compiler needs -Werror to reject unknown flags... " >&6; } -save_CFLAGS="$CFLAGS" -ax_pthread_extra_flags="-Werror" -CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument" -cat confdefs.h - <<_ACEOF >conftest.$ac_ext +{ $as_echo "$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.$ac_ext /* end confdefs.h. */ -int foo(void); -int -main () -{ -foo() - ; - return 0; -} +/* Note: Clang 2.7 lacks __clang_[a-z]+__ */ +# if defined(__clang__) && defined(__llvm__) + AX_PTHREAD_CC_IS_CLANG +# endif + _ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 -$as_echo "yes" >&6; } -else - ax_pthread_extra_flags= - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "AX_PTHREAD_CC_IS_CLANG" >/dev/null 2>&1; then : + ax_cv_PTHREAD_CLANG=yes fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -CFLAGS="$save_CFLAGS" +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$ax_pthread_clang" = "xyes"; then + + # Clang takes -pthread; it has never supported any other flag -if test x"$ax_pthread_ok" = xno; then -for flag in $ax_pthread_flags; do + # (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.) - case $flag in + # (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 + +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) { $as_echo "$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) @@ -12110,22 +12491,24 @@ $as_echo "no" >&6; } fi - if test x"$ax_pthread_config" = xno; then continue; fi + 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" + ax_pthread_save_CFLAGS="$CFLAGS" + ax_pthread_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags" # Check for various functions. We must include pthread.h, # since some functions may be macros. (On the Sequent, we @@ -12136,9 +12519,13 @@ $as_echo_n "checking for the pthreads library -l$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 +# 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 @@ -12160,14 +12547,14 @@ 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: $ax_pthread_ok" >&5 $as_echo "$ax_pthread_ok" >&6; } - if test "x$ax_pthread_ok" = xyes; then - break; - fi + if test "x$ax_pthread_ok" = "xyes"; then : + break +fi PTHREAD_LIBS="" PTHREAD_CFLAGS="" @@ -12175,72 +12562,80 @@ done fi # Various other checks: -if test "x$ax_pthread_ok" = xyes; then - save_LIBS="$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 $as_echo_n "checking for joinable pthread attribute... " >&6; } - attr_name=unknown - for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do - cat confdefs.h - <<_ACEOF >conftest.$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 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 ${host_os} in - aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";; - osf* | hpux*) flag="-D_REENTRANT";; - solaris*) - if test "$GCC" = "yes"; then - flag="-D_REENTRANT" - else - # TODO: What about Clang on Solaris? - flag="-mt -D_REENTRANT" - fi - ;; - 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 + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int @@ -12262,23 +12657,26 @@ rm -f core conftest.err conftest.$ac_objext \ 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$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"; then : + if test "x$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="$ax_pthread_save_LIBS" # More AIX lossage: compile with *_r variant - if test "x$GCC" != xyes; then + 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$CC" in #( + case "x$CC" in #( x/*) : if as_fn_executable_p ${CC}_r; then : PTHREAD_CC="${CC}_r" @@ -12343,7 +12741,7 @@ test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: -if test x"$ax_pthread_ok" = xyes; then +if test "x$ax_pthread_ok" = "xyes"; then $as_echo "#define HAVE_PTHREAD 1" >>confdefs.h @@ -12362,13 +12760,13 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu # Check whether --enable-opencl was given. if test "${enable_opencl+set}" = set; then : - enableval=$enable_opencl; enable_opencl=$enableval + enableval=$enable_opencl; disable_opencl=$enableval else - enable_opencl='no' + disable_opencl='yes' fi -if test "$enable_opencl" = 'yes'; then +if test "$disable_opencl" = 'yes'; then ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' @@ -12410,9 +12808,6 @@ $as_echo "$ax_cv_c_compiler_ms" >&6; } fi ax_save_CPPFLAGS=$CPPFLAGS - ax_save_CL_CFLAGS=$CL_CFLAGS - - found_opencl_header='no' CPPFLAGS="$CL_CFLAGS $CPPFLAGS" for ac_header in CL/cl.h OpenCL/cl.h do : @@ -12422,40 +12817,12 @@ if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : cat >>confdefs.h <<_ACEOF #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF - found_opencl_header='yes' - break; -else - found_opencl_header='no' -fi - -done - - if test X$found_opencl_header = Xno; then : - { ac_cv_header_CL_cl_h=; unset ac_cv_header_CL_cl_h;} - { ac_cv_header_OpenCL_cl_h=; unset ac_cv_header_OpenCL_cl_h;} - CL_CFLAGS="-I$AMDAPPSDKROOT/include" - CPPFLAGS="$ax_save_CPPFLAGS $CL_CFLAGS" - for ac_header in CL/cl.h OpenCL/cl.h -do : - as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` -ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" -if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : - cat >>confdefs.h <<_ACEOF -#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 -_ACEOF - found_opencl_header='yes' - break; -else - found_opencl_header='no' fi done - -fi - - CPPFLAGS="$ax_save_CPPFLAGS" + CPPFLAGS=$ax_save_CPPFLAGS for ac_header in windows.h do : @@ -12479,12 +12846,8 @@ if ${ax_cv_check_cl_libcl+:} false; then : else ax_cv_check_cl_libcl=no case $host_cpu in - x86_64) ax_check_cl_libdir=lib64 - ax_check_cl_amd_libdir=x86_64 - ;; - *) ax_check_cl_libdir=lib - ax_check_cl_amd_libdir=x86 - ;; + x86_64) ax_check_cl_libdir=lib64 ;; + *) ax_check_cl_libdir=lib ;; esac ax_save_CPPFLAGS=$CPPFLAGS CPPFLAGS="$CL_CFLAGS $CPPFLAGS" @@ -12547,7 +12910,7 @@ _ACEOF if ac_fn_c_try_link "$LINENO"; then : ax_cv_check_cl_libcl="$ax_try_lib $ax_check_cl_nvidia_flags"; break else - ax_check_cl_dylib_flag='-Wl,-framework,OpenCL -L/System/Library/Frameworks/OpenCL.framework/Versions/A/Libraries' LIBS="$ax_try_lib $ax_check_cl_dylib_flag $CL_LIBS $ax_save_LIBS" + ax_check_cl_dylib_flag='-framework OpenCL -L/System/Library/Frameworks/OpenCL.framework/Versions/A/Libraries' LIBS="$ax_try_lib $ax_check_cl_dylib_flag $CL_LIBS $ax_save_LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -12571,37 +12934,6 @@ clCreateContextFromType(0,0,0,0,0) _ACEOF if ac_fn_c_try_link "$LINENO"; then : ax_cv_check_cl_libcl="$ax_try_lib $ax_check_cl_dylib_flag"; break -else - ax_check_cl_amd_flags="-L$AMDAPPSDKROOT/lib/$ax_check_cl_amd_libdir" LIBS="$ax_try_lib $ax_check_cl_amd_flags $CL_LIBS $ax_save_LIBS" - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - - # if defined(HAVE_WINDOWS_H) && defined(_WIN32) - # include - # endif - # ifdef HAVE_CL_CL_H - # include - # elif defined(HAVE_OPENCL_CL_H) - # include - # else - # error no CL.h - # endif -int -main () -{ -clCreateContextFromType(0,0,0,0,0) - ; - return 0; -} -_ACEOF -if ac_fn_c_try_link "$LINENO"; then : - ax_cv_check_cl_libcl="$ax_try_lib $ax_check_cl_amd_flags"; break - -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext - - fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext @@ -12613,8 +12945,8 @@ rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext done - if test "X$ax_cv_check_cl_libcl" = Xno; then : - LIBS='-Wl,-framework,OpenCL' + if test "X$ax_cv_check_cl_libcl" = Xno -a X$no_x = Xyes; then : + LIBS='-framework OpenCL' cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -12666,9 +12998,6 @@ fi -#remove static link on Linux -CL_LIBS=`echo $CL_LIBS | $SED -e 's/-lOpenCL //'` - CFLAGS="$CL_CFLAGS $CFLAGS" CPPFLAGS="$CL_CFLAGS $CPPFLAGS" -- 2.40.0