This upstream fix solves an issue by which the protobuf pkg-config linker flags did not provide -pthread. This can result in segmentation faults due to no available pthread library.
See https://github.com/protocolbuffers/protobuf/issues/8059 for details on the issue. Signed-off-by: Adrian Herrera <[email protected]> --- .../protobuf/0001-fix-m4-pthread-update.patch | 730 ++++++++++++++++++ .../protobuf/protobuf_3.14.0.bb | 1 + 2 files changed, 731 insertions(+) create mode 100644 meta-oe/recipes-devtools/protobuf/protobuf/0001-fix-m4-pthread-update.patch diff --git a/meta-oe/recipes-devtools/protobuf/protobuf/0001-fix-m4-pthread-update.patch b/meta-oe/recipes-devtools/protobuf/protobuf/0001-fix-m4-pthread-update.patch new file mode 100644 index 000000000..a177b2313 --- /dev/null +++ b/meta-oe/recipes-devtools/protobuf/protobuf/0001-fix-m4-pthread-update.patch @@ -0,0 +1,730 @@ +From 8cfb4284b4e8b2893bd30e9c764d45f288e71efb Mon Sep 17 00:00:00 2001 +From: Adam Cozzette <[email protected]> +Date: Fri, 20 Nov 2020 16:36:56 -0800 +Subject: [PATCH] Updated ax_pthread.m4 to its most recent upstream version + +This should fix #8059. + +Upstream-Status: Accepted [https://github.com/protocolbuffers/protobuf/pull/8077] +Expected version: v4.0.0+ +--- + m4/ax_pthread.m4 | 614 ++++++++++++++++++++++++----------------------- + 1 file changed, 318 insertions(+), 296 deletions(-) + +diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4 +index d218d1af73..1598d077ff 100644 +--- a/m4/ax_pthread.m4 ++++ b/m4/ax_pthread.m4 +@@ -1,5 +1,5 @@ + # =========================================================================== +-# http://www.gnu.org/software/autoconf-archive/ax_pthread.html ++# https://www.gnu.org/software/autoconf-archive/ax_pthread.html + # =========================================================================== + # + # SYNOPSIS +@@ -55,6 +55,7 @@ + # + # Copyright (c) 2008 Steven G. Johnson <[email protected]> + # Copyright (c) 2011 Daniel Richard G. <[email protected]> ++# Copyright (c) 2019 Marc Stevens <[email protected]> + # + # This program is free software: you can redistribute it and/or modify it + # under the terms of the GNU General Public License as published by the +@@ -67,7 +68,7 @@ + # Public License for more details. + # + # You should have received a copy of the GNU General Public License along +-# with this program. If not, see <http://www.gnu.org/licenses/>. ++# with this program. If not, see <https://www.gnu.org/licenses/>. + # + # As a special exception, the respective Autoconf Macro's copyright owner + # gives unlimited permission to copy, distribute and modify the configure +@@ -82,7 +83,7 @@ + # 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 27 + + AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) + AC_DEFUN([AX_PTHREAD], [ +@@ -100,22 +101,22 @@ 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 +@@ -123,10 +124,12 @@ fi + # (e.g. DEC) have both -lpthread and -lpthreads, where one of the + # libraries is broken (non-POSIX). + +-# Create a list of thread flags to try. Items starting with a "-" are +-# C compiler flags, and other items are library names, except for "none" +-# 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. ++# Create a list of thread flags to try. Items with a "," contain both ++# C compiler flags (before ",") and linker flags (after ","). Other items ++# starting with a "-" are C compiler flags, and remaining items are ++# library names, except for "none" 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 -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" + +@@ -152,319 +155,338 @@ 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,-lpthread pthread $ax_pthread_flags" ++ ;; + esac + ++# Are we compiling with Clang? ++ ++AC_CACHE_CHECK([whether $CC is Clang], ++ [ax_cv_PTHREAD_CLANG], ++ [ax_cv_PTHREAD_CLANG=no ++ # Note that Autoconf sets GCC=yes for Clang as well as GCC ++ if test "x$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]) ++ fi ++ ]) ++ax_pthread_clang="$ax_cv_PTHREAD_CLANG" ++ ++ + # GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) + ++# Note that for GCC and Clang -pthread generally implies -lpthread, ++# except when -nostdlib is passed. ++# This is problematic using libtool to build C++ shared libraries with pthread: ++# [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460 ++# [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333 ++# [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555 ++# To solve this, first try -pthread together with -lpthread for GCC ++ + AS_IF([test "x$GCC" = "xyes"], +- [ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"]) ++ [ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"]) ++ ++# Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first ++ ++AS_IF([test "x$ax_pthread_clang" = "xyes"], ++ [ax_pthread_flags="-pthread,-lpthread -pthread"]) ++ + + # 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 $host_os in +- darwin* | hpux* | linux* | osf* | solaris*) +- ax_pthread_check_macro="_REENTRANT" +- ;; ++ darwin* | hpux* | linux* | osf* | solaris*) ++ ax_pthread_check_macro="_REENTRANT" ++ ;; + +- aix* | freebsd*) +- ax_pthread_check_macro="_THREAD_SAFE" +- ;; ++ aix*) ++ ax_pthread_check_macro="_THREAD_SAFE" ++ ;; + +- *) +- ax_pthread_check_macro="--" +- ;; ++ *) ++ ax_pthread_check_macro="--" ++ ;; + esac + AS_IF([test "x$ax_pthread_check_macro" = "x--"], + [ax_pthread_check_cond=0], + [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"]) + +-# Are we compiling with Clang? + +-AC_CACHE_CHECK([whether $CC is Clang], +- [ax_cv_PTHREAD_CLANG], +- [ax_cv_PTHREAD_CLANG=no +- # Note that Autoconf sets GCC=yes for Clang as well as GCC +- if test "x$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]) +- fi +- ]) +-ax_pthread_clang="$ax_cv_PTHREAD_CLANG" ++if test "x$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]) ++ ;; ++ ++ *,*) ++ PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"` ++ PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"` ++ AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS" and "$PTHREAD_LIBS"]) ++ ;; ++ ++ -*) ++ 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$ax_pthread_config" = "xno"], [continue]) ++ PTHREAD_CFLAGS="`pthread-config --cflags`" ++ PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" ++ ;; ++ ++ *) ++ AC_MSG_CHECKING([for the pthreads library -l$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" ++ ++ # 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 *some_global = NULL; ++ static void routine(void *a) ++ { ++ /* To avoid any unused-parameter or ++ unused-but-set-parameter warning. */ ++ some_global = a; ++ } ++ 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" ++ ++ AC_MSG_RESULT([$ax_pthread_ok]) ++ AS_IF([test "x$ax_pthread_ok" = "xyes"], [break]) ++ ++ PTHREAD_LIBS="" ++ PTHREAD_CFLAGS="" ++done ++fi + +-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. +- +- 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 ++ # 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.) ++ ++ # 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="$ax_pthread_try" ++ ]) ++ ++ case "$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]) +- ;; +- +- -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" +- ;; +- +- 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$ax_pthread_try_flag" +- ;; +- esac +- +- ax_pthread_save_CFLAGS="$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. +- +- 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" +- +- AC_MSG_RESULT([$ax_pthread_ok]) +- AS_IF([test "x$ax_pthread_ok" = "xyes"], [break]) +- +- 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" +- +- # 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 $PTHREAD_CFLAGS" +- ax_pthread_special_flags_added=yes]) +- +- AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT], +- [ax_cv_PTHREAD_PRIO_INHERIT], +- [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], +- [[int i = PTHREAD_PRIO_INHERIT;]])], +- [ax_cv_PTHREAD_PRIO_INHERIT=yes], +- [ax_cv_PTHREAD_PRIO_INHERIT=no]) +- ]) +- AS_IF([test "x$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="$ax_pthread_save_LIBS" +- +- # More AIX lossage: compile with *_r variant +- if test "x$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],[$CC])])]) +- ;; +- esac +- fi ++ ax_pthread_save_CFLAGS="$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 ++ ]) ++ ++ 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 $PTHREAD_CFLAGS" ++ ax_pthread_special_flags_added=yes]) ++ ++ AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT], ++ [ax_cv_PTHREAD_PRIO_INHERIT], ++ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], ++ [[int i = PTHREAD_PRIO_INHERIT; ++ return i;]])], ++ [ax_cv_PTHREAD_PRIO_INHERIT=yes], ++ [ax_cv_PTHREAD_PRIO_INHERIT=no]) ++ ]) ++ AS_IF([test "x$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="$ax_pthread_save_LIBS" ++ ++ # More AIX lossage: compile with *_r variant ++ if test "x$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="$CC" +@@ -475,11 +497,11 @@ AC_SUBST([PTHREAD_CC]) + + # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: + if test "x$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 ++ $2 + fi + AC_LANG_POP + ])dnl AX_PTHREAD diff --git a/meta-oe/recipes-devtools/protobuf/protobuf_3.14.0.bb b/meta-oe/recipes-devtools/protobuf/protobuf_3.14.0.bb index 31e3bcc5b..00f1e99d3 100644 --- a/meta-oe/recipes-devtools/protobuf/protobuf_3.14.0.bb +++ b/meta-oe/recipes-devtools/protobuf/protobuf_3.14.0.bb @@ -17,6 +17,7 @@ SRC_URI = "git://github.com/protocolbuffers/protobuf.git \ file://0001-protobuf-fix-configure-error.patch \ file://0001-Makefile.am-include-descriptor.cc-when-building-libp.patch \ file://0001-examples-Makefile-respect-CXX-LDFLAGS-variables-fix-.patch \ + file://0001-fix-m4-pthread-update.patch \ " S = "${WORKDIR}/git" -- 2.29.2
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