#
# Defining the version in m4 requires a bit of dancing around,
# so the strings are properly concatenated, as you can't use
-# a shell variable in AC_INIT()
+# a shell variable in AC_INIT
#
m4_define([bind_VERSION_MAJOR], 9)dnl
m4_define([bind_VERSION_MINOR], 17)dnl
# Autoconf initialization
#
AC_INIT([BIND], bind_PKG_VERSION, [info@isc.org], [], [https://www.isc.org/downloads/])
-AC_PREREQ(2.60)
+AC_PREREQ([2.69])
AC_DEFINE([PACKAGE_VERSION_MAJOR], ["][bind_VERSION_MAJOR]["], [BIND 9 Major part of the version])
AC_DEFINE([PACKAGE_VERSION_MINOR], ["][bind_VERSION_MINOR]["], [BIND 9 Minor part of the version])
AC_DEFINE([PACKAGE_BUILDER], ["make"], [make or Visual Studio])
+#
+# Get the Canonical System Type
+#
+AC_CANONICAL_BUILD
+AC_CANONICAL_HOST
+AC_CANONICAL_TARGET
+
AC_CONFIG_SRCDIR([bin/named/main.c])
AM_INIT_AUTOMAKE([1.9 tar-pax foreign subdir-objects dist-xz no-dist-gzip -Wall -Werror])
AM_SILENT_RULES([yes])
# Enable system extensions to C and POSIX
#
AC_USE_SYSTEM_EXTENSIONS
-AC_CANONICAL_HOST
#
# Compiler compatibility flags
#
-AC_PROG_CC_C99
+m4_version_prereq([2.70],
+ [AC_PROG_CC],
+ [AC_PROG_CC_C99])
AC_PROG_CPP_WERROR
#
])
])
-AC_HEADER_STDC
-
AC_CHECK_HEADERS([fcntl.h regex.h sys/time.h unistd.h sys/mman.h sys/sockio.h sys/select.h sys/param.h sys/sysctl.h net/if6.h sys/socket.h net/route.h linux/netlink.h linux/rtnetlink.h], [], [],
[$ac_includes_default
#ifdef HAVE_SYS_PARAM_H
AC_TYPE_SSIZE_T
AC_TYPE_UINTPTR_T
-AC_HEADER_TIME
-
#
# check for uname library routine
#
AC_CHECK_FUNCS([tzset])
AC_MSG_CHECKING(for optarg declaration)
-AC_TRY_COMPILE([
-#include <unistd.h>
-],
-[optarg = 0;],
-[AC_MSG_RESULT(yes)],
-[AC_MSG_RESULT(no)
-GEN_NEED_OPTARG="-DNEED_OPTARG=1"
-AC_DEFINE(NEED_OPTARG, 1, [Defined if extern char *optarg is not declared.])])
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <unistd.h>]],
+ [[optarg = 0;]]
+ )],
+ [AC_MSG_RESULT(yes)],
+ [AC_MSG_RESULT(no)
+ GEN_NEED_OPTARG="-DNEED_OPTARG=1"
+ AC_DEFINE(NEED_OPTARG, 1, [Defined if extern char *optarg is not declared.])]
+)
#
# Check for nanoseconds in file stats
# Check for __builtin_expect
#
AC_MSG_CHECKING([compiler support for __builtin_expect])
-AC_TRY_LINK(, [
- return (__builtin_expect(1, 1) ? 1 : 0);
-], [
- have_builtin_expect=yes
- AC_MSG_RESULT(yes)
-], [
- have_builtin_expect=no
- AC_MSG_RESULT(no)
-])
+AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[]],
+ [[return (__builtin_expect(1, 1) ? 1 : 0);]]
+ )],
+ [have_builtin_expect=yes
+ AC_MSG_RESULT(yes)],
+ [have_builtin_expect=no
+ AC_MSG_RESULT(no)]
+)
if test "yes" = "$have_builtin_expect"; then
AC_DEFINE(HAVE_BUILTIN_EXPECT, 1, [Define to 1 if the compiler supports __builtin_expect.])
fi
# Check for __builtin_clz
#
AC_MSG_CHECKING([compiler support for __builtin_clz])
-AC_TRY_LINK(, [
- return (__builtin_clz(0xff) == 24 ? 1 : 0);
-], [
- have_builtin_clz=yes
- AC_MSG_RESULT(yes)
-], [
- have_builtin_clz=no
- AC_MSG_RESULT(no)
-])
+AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[]],
+ [[return (__builtin_clz(0xff) == 24 ? 1 : 0);]]
+ )],
+ [have_builtin_clz=yes
+ AC_MSG_RESULT(yes)],
+ [have_builtin_clz=no
+ AC_MSG_RESULT(no)]
+)
if test "yes" = "$have_builtin_clz"; then
AC_DEFINE(HAVE_BUILTIN_CLZ, 1, [Define to 1 if the compiler supports __builtin_clz.])
fi
#
# OPENSSL_CFLAGS to the include directives required
# OPENSSL_LIBS to the -l directives required
+# OPENSSL_LDFLAGS to the -L or -R flags required
#
# and calls ACTION-IF-FOUND or ACTION-IF-NOT-FOUND appropriately
#
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 10
+#serial 11
AU_ALIAS([CHECK_SSL], [AX_CHECK_OPENSSL])
AC_DEFUN([AX_CHECK_OPENSSL], [
found=false
- default_ssldirs="/usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /opt/local /usr/local/opt/openssl /usr/local/opt/libressl /usr"
AC_ARG_WITH([openssl],
[AS_HELP_STRING([--with-openssl=DIR],
[root of the OpenSSL directory])],
[
- AS_CASE([$with_openssl],
- [""|y|ye|yes],[ssldirs="$default_ssldirs"],
- [n|no],[AC_MSG_ERROR([Invalid --with-openssl value])],
- [*],[ssldirs="$withval"],
- [ssldirs="$default_ssldirs"]
- )
+ case "$withval" in
+ "" | y | ye | yes | n | no)
+ AC_MSG_ERROR([Invalid --with-openssl value])
+ ;;
+ *) ssldirs="$withval"
+ ;;
+ esac
], [
# if pkg-config is installed and openssl has installed a .pc file,
# then use that information and don't search ssldirs
- PKG_CHECK_MODULES([OPENSSL], [crypto],
- [found=true],
- [ssldirs="$default_ssldirs"])
-
+ AC_CHECK_TOOL([PKG_CONFIG], [pkg-config])
+ if test x"$PKG_CONFIG" != x""; then
+ OPENSSL_LDFLAGS=`$PKG_CONFIG openssl --libs-only-L 2>/dev/null`
+ if test $? = 0; then
+ OPENSSL_LIBS=`$PKG_CONFIG openssl --libs-only-l 2>/dev/null`
+ OPENSSL_CFLAGS=`$PKG_CONFIG openssl --cflags-only-I 2>/dev/null`
+ found=true
+ fi
+ fi
+
+ # no such luck; use some default ssldirs
+ if ! $found; then
+ ssldirs="/usr/local/ssl /usr/lib/ssl /usr/ssl /usr/pkg /usr/local /usr"
+ fi
]
- )
+ )
# note that we #include <openssl/foo.h>, so the OpenSSL headers have to be in
# an 'openssl' subdirectory
- AS_IF([! $found],[
+ if ! $found; then
OPENSSL_CFLAGS=
for ssldir in $ssldirs; do
- AC_MSG_CHECKING([for openssl/ssl.h in $ssldir])
- AS_IF([test -f "$ssldir/include/openssl/ssl.h"],
- [
- OPENSSL_CFLAGS="-I$ssldir/include"
- OPENSSL_LIBS="-L$ssldir/lib -lssl -lcrypto"
- found=true
- AC_MSG_RESULT([yes])
- break
- ],
- [
- AC_MSG_RESULT([no])
- ])
+ AC_MSG_CHECKING([for include/openssl/ssl.h in $ssldir])
+ if test -f "$ssldir/include/openssl/ssl.h"; then
+ OPENSSL_CFLAGS="-I$ssldir/include"
+ OPENSSL_LDFLAGS="-L$ssldir/lib"
+ OPENSSL_LIBS="-lssl -lcrypto"
+ found=true
+ AC_MSG_RESULT([yes])
+ break
+ else
+ AC_MSG_RESULT([no])
+ fi
done
# if the file wasn't found, well, go ahead and try the link anyway -- maybe
# it will just work!
- ])
+ fi
# try the preprocessor and linker with our new flags,
# being careful not to pollute the global LIBS, LDFLAGS, and CPPFLAGS
AC_MSG_CHECKING([whether compiling and linking against OpenSSL works])
- # AC_MSG_NOTICE([Trying link with OPENSSL_LIBS=$OPENSSL_LIBS; OPENSSL_CFLAGS=$OPENSSL_CFLAGS])
+ echo "Trying link with OPENSSL_LDFLAGS=$OPENSSL_LDFLAGS;" \
+ "OPENSSL_LIBS=$OPENSSL_LIBS; OPENSSL_CFLAGS=$OPENSSL_CFLAGS" >&AS_MESSAGE_LOG_FD
save_LIBS="$LIBS"
+ save_LDFLAGS="$LDFLAGS"
save_CPPFLAGS="$CPPFLAGS"
+ LDFLAGS="$LDFLAGS $OPENSSL_LDFLAGS"
LIBS="$OPENSSL_LIBS $LIBS"
CPPFLAGS="$OPENSSL_CFLAGS $CPPFLAGS"
AC_LINK_IFELSE(
- [AC_LANG_PROGRAM(
- [
- #include <openssl/crypto.h>
- ],
- [
- OPENSSL_free(NULL);
- ])],
+ [AC_LANG_PROGRAM([#include <openssl/ssl.h>], [SSL_new(NULL)])],
[
AC_MSG_RESULT([yes])
$1
$2
])
CPPFLAGS="$save_CPPFLAGS"
+ LDFLAGS="$save_LDFLAGS"
LIBS="$save_LIBS"
AC_SUBST([OPENSSL_CFLAGS])
AC_SUBST([OPENSSL_LIBS])
+ AC_SUBST([OPENSSL_LDFLAGS])
])
# flags that are needed. (The user can also force certain compiler
# flags/libs to be tested by setting these environment variables.)
#
-# Also sets PTHREAD_CC to any special C compiler that is needed for
-# multi-threaded programs (defaults to the value of CC otherwise). (This
-# is necessary on AIX to use the special cc_r compiler alias.)
+# Also sets PTHREAD_CC and PTHREAD_CXX to any special C compiler that is
+# needed for multi-threaded programs (defaults to the value of CC
+# respectively CXX otherwise). (This is necessary on e.g. AIX to use the
+# special cc_r/CC_r compiler alias.)
#
# NOTE: You are assumed to not only compile your program with these flags,
# but also to link with them as well. For example, you might link with
# $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
+# $PTHREAD_CXX $CXXFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS
#
# If you are only building threaded programs, you may wish to use these
# variables in your default LIBS, CFLAGS, and CC:
#
# LIBS="$PTHREAD_LIBS $LIBS"
# CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+# CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS"
# CC="$PTHREAD_CC"
+# CXX="$PTHREAD_CXX"
#
# In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant
# has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to
#
# Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
# Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG>
+# Copyright (c) 2019 Marc Stevens <marc.stevens@cwi.nl>
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 24
+#serial 30
AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
AC_DEFUN([AX_PTHREAD], [
-AC_REQUIRE([AC_CANONICAL_HOST])
+AC_REQUIRE([AC_CANONICAL_TARGET])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_SED])
AC_LANG_PUSH([C])
ax_pthread_save_CFLAGS="$CFLAGS"
ax_pthread_save_LIBS="$LIBS"
AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"])
+ AS_IF([test "x$PTHREAD_CXX" != "x"], [CXX="$PTHREAD_CXX"])
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS])
# (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"
# --thread-safe: KAI C++
# pthread-config: use pthread-config program (for GNU Pth library)
-case $host_os in
+case $target_os in
freebsd*)
# 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
+case $target_os in
darwin* | hpux* | linux* | osf* | solaris*)
ax_pthread_check_macro="_REENTRANT"
;;
[ax_pthread_check_cond=0],
[ax_pthread_check_cond="!defined($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
# -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
# 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 "$ax_pthread_sed"`
+ ax_pthread_link_step=`AS_ECHO(["$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
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
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
+ case $target_os in
solaris*)
ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
;;
AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
[ax_cv_PTHREAD_PRIO_INHERIT],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
- [[int i = PTHREAD_PRIO_INHERIT;]])],
+ [[int i = PTHREAD_PRIO_INHERIT;
+ return i;]])],
[ax_cv_PTHREAD_PRIO_INHERIT=yes],
[ax_cv_PTHREAD_PRIO_INHERIT=no])
])
# More AIX lossage: compile with *_r variant
if test "x$GCC" != "xyes"; then
- case $host_os in
+ case $target_os in
aix*)
AS_CASE(["x/$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],[$CC])])])
+ [
+ AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])
+ AS_IF([test "x${CXX}" != "x"], [AS_IF([AS_EXECUTABLE_P([${CXX}_r])],[PTHREAD_CXX="${CXX}_r"])])
+ ],
+ [
+ AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])
+ AS_IF([test "x${CXX}" != "x"], [AC_CHECK_PROGS([PTHREAD_CXX],[${CXX}_r],[$CXX])])
+ ]
+ )
+ ])
;;
esac
fi
fi
test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
+test -n "$PTHREAD_CXX" || PTHREAD_CXX="$CXX"
AC_SUBST([PTHREAD_LIBS])
AC_SUBST([PTHREAD_CFLAGS])
AC_SUBST([PTHREAD_CC])
+AC_SUBST([PTHREAD_CXX])
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test "x$ax_pthread_ok" = "xyes"; then