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configure.ac
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dnl
dnl Copyright (c) 2012-2023 Red Hat.
dnl Copyright (c) 2008 Aconex. All Rights Reserved.
dnl Copyright (c) 2000-2004,2008 Silicon Graphics, Inc. All Rights Reserved.
dnl
dnl This program is free software; you can redistribute it and/or modify it
dnl under the terms of the GNU General Public License as published by the
dnl Free Software Foundation; either version 2 of the License, or (at your
dnl option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl unpacking check - this file must exist
AC_INIT
AC_CONFIG_SRCDIR([src/include/pcp/pmapi.h])
dnl need 2.63 for AS_VAR_IF and AS_VAR_COPY
AC_PREREQ([2.63])dnl
AC_ARG_WITH([64bit],
[AS_HELP_STRING([--with-64bit],
[turn on 64 bit compilation mode (default is platform dependent)])],
[use_64bit=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-64bit=$withval"])
AC_ARG_WITH([optimization],
[AS_HELP_STRING([--with-optimization],
[enable optimization for C/C++ code (default is yes)])],
[use_optimization=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-optimization=$withval"],
[use_optimizaton=yes])
AC_ARG_WITH([gperftools],
[AS_HELP_STRING([--with-gperftools],
[enable gperftools for CPU and heap profiling (default is no)])],
[use_gperftools=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-gperftools=$withval"],
[use_gperftools=no])
AC_ARG_WITH([sanitizer],
[AS_HELP_STRING([--with-sanitizer],
[enable sanitizers (default is no, common values are 'address', 'thread' or 'leak')])],
[use_sanitizer=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-sanitizer=$withval"],
[use_sanitizer=no])
AC_ARG_WITH([threads],
[AS_HELP_STRING([--with-threads],[enable support for multiple threads (default is on)])],
[do_threads=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-threads=$withval"],
[do_threads=check])
AC_ARG_WITH([secure-sockets],
[AS_HELP_STRING([--with-secure-sockets],[enable support for secure sockets (default is on)])],
[do_secure=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-secure-sockets=$withval"],
[do_secure=check])
AC_ARG_WITH([static-probes],
[AS_HELP_STRING([--with-static-probes],[enable support for static probes (default is on)])],
[do_probes=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-static-probes=$withval"],
[do_probes=check])
AC_ARG_WITH([infiniband],
[AS_HELP_STRING([--with-infiniband],[enable support for Infiniband metrics (default is on)])],
[do_infiniband=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-infiniband=$withval"],
[do_infiniband=check])
AC_ARG_WITH([user],
[AS_HELP_STRING([--with-user],
[user account under which daemons run (default is pcp)])],
[pcp_user=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-user-account=$withval"],
[pcp_user=pcp])
AC_SUBST(pcp_user)
AC_ARG_WITH([group],
[AS_HELP_STRING([--with-group],
[user group under which daemons run (default is pcp)])],
[pcp_group=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-group-account=$withval"],
[pcp_group=pcp])
AC_SUBST(pcp_group)
AC_ARG_WITH([discovery],
[AS_HELP_STRING([--with-discovery],[enable support for service discovery (default is on)])],
[do_discovery=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-discovery=$withval"],
[do_discovery=check])
AC_ARG_WITH([systemd],
[AS_HELP_STRING([--with-systemd],[enable support for systemd services (default is on)])],
[do_systemd=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-systemd=$withval"],
[do_systemd=check])
AC_ARG_WITH([selinux],
[AS_HELP_STRING([--with-selinux],[enable support for selinux (default is check)])],
[do_selinux=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-selinux=$withval"],
[do_selinux=check])
AC_ARG_WITH([qt],
[AS_HELP_STRING([--with-qt],[enable support for tools requiring Qt (default is on)])],
[do_qt=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-qt=$withval"],
[do_qt=check])
AC_ARG_WITH([qt3d],
[AS_HELP_STRING([--with-qt3d],[enable support for 3D scene graph API (default is on)])],
[do_qt3d=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-qt3d=$withval"],
[do_qt3d=check])
AC_ARG_WITH([perl],
[AS_HELP_STRING([--with-perl],[enable support for tools requiring Perl (default is on)])],
[do_perl=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-perl=$withval"],
[do_perl=check])
AC_ARG_WITH([python3],
[AS_HELP_STRING([--with-python3],[enable support for tools requiring Python3 (default is on)])],
[do_python3=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-python3=$withval"],
[do_python3=check])
AC_ARG_WITH([dstat-symlink],
[AS_HELP_STRING([--with-dstat-symlink],[enable support for /usr/bin/dstat symlink (default is on)])],
[do_dstat_symlink=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-dstat-symlink=$withval"],
[do_dstat_symlink=check])
AC_ARG_WITH([perfevent],
[AS_HELP_STRING([--with-perfevent],[enable perfevent pmda (default is on)])],
[do_perfevent=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-perfevent=$withval"],
[do_perfevent=check])
AC_ARG_WITH([pmdagfs2],
[AS_HELP_STRING([--with-pmdagfs2],[enable GFS2 pmda (default is on)])],
[do_pmdagfs2=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdagfs2=$withval"],
[do_pmdagfs2=check])
AC_ARG_WITH([pmdastatsd],
[AS_HELP_STRING([--with-pmdastatsd],[enable statds pmda (default is on)])],
[do_pmdastatsd=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdastatsd=$withval"],
[do_pmdastatsd=check])
AC_ARG_WITH([pmdabcc],
[AS_HELP_STRING([--with-pmdabcc],[enable BCC pmda (default is on)])],
[do_pmdabcc=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdabcc=$withval"],
[do_pmdabcc=check])
AC_ARG_WITH([pmdabpf],
[AS_HELP_STRING([--with-pmdabpf],[enable BPF pmda (default is on)])],
[do_pmdabpf=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdabpf=$withval"],
[do_pmdabpf=check])
AC_ARG_WITH([pmdabpftrace],
[AS_HELP_STRING([--with-pmdabpftrace],[enable bpftrace pmda (default is on)])],
[do_pmdabpftrace=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdabpftrace=$withval"],
[do_pmdabpftrace=check])
AC_ARG_WITH([pmdajson],
[AS_HELP_STRING([--with-pmdajson],[enable JSON pmda (default is on)])],
[do_pmdajson=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdajson=$withval"],
[do_pmdajson=check])
AC_ARG_WITH([pmdamongodb],
[AS_HELP_STRING([--with-pmdamongodb],[enable MongoDB pmda (default is on)])],
[do_pmdamongodb=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdamongodb=$withval"],
[do_pmdamongodb=check])
AC_ARG_WITH([pmdamysql],
[AS_HELP_STRING([--with-pmdamysql],[enable MySQL pmda (default is on)])],
[do_pmdamysql=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdamysql=$withval"],
[do_pmdamysql=check])
AC_ARG_WITH([pmdanutcracker],
[AS_HELP_STRING([--with-pmdanutcracker],[enable nutcracker pmda (default is on)])],
[do_pmdanutcracker=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdanutcracker=$withval"],
[do_pmdanutcracker=check])
AC_ARG_WITH([pmdasnmp],
[AS_HELP_STRING([--with-pmdasnmp],[enable SNMP pmda (default is on)])],
[do_pmdasnmp=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-pmdasnmp=$withval"],
[do_pmdasnmp=check])
dnl things set in the environment by Makepkgs never make it into an RPM
dnl build where the environment is stripped ... use a --with-foo=path
dnl construct to workaround this
AC_ARG_WITH([make],
[AS_HELP_STRING([--with-make],[path to GNU compatible make(1) (default is empty for auto discovery)])],
[MAKE=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-make=$withval"],
[MAKE=''])
AC_ARG_WITH([tar],
[AS_HELP_STRING([--with-tar],[path to GNU compatible tar(1) (default is empty for auto discovery)])],
[TAR=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-tar=$withval"],
[TAR=''])
AC_ARG_WITH([zip],
[AS_HELP_STRING([--with-zip],[path to GNU compatible zip(1) (default is empty for auto discovery)])],
[ZIP=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-zip=$withval"],
[ZIP=''])
AC_ARG_WITH(
[transparent-decompression],
[AS_HELP_STRING([--with-transparent-decompression],[enable support for transparent decompression of archives (default is on)])],
[do_decompression=$withval; PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --with-transparent-decompression=$withval"],
[do_decompression=check])
dnl
dnl Note: the following environment variables may be set to override defaults:
dnl MAKE CC CPP LD LEX YACC INSTALL AWK SED ECHO
dnl
dnl Guess target platfrom
AC_CANONICAL_TARGET
if test -z "$target"
then
echo '
FATAL ERROR: Cannot guess your target, try explicit specification
using --target or mailto: [email protected] to ask.'
rm -rf conftest conftest.*
exit 1
else
dnl Remove 4th name component, if present, from target, target_os,
dnl build and build_os. Squash all x86 cpus into one LCD form - i386
target=`echo $target | sed '[s/^\([^-][^-]*-[^-][^-]*-[^-][^-]*\)-.*$/\1/]'`
target_os=`echo $target_os | sed '[s/solaris2\..*/solaris/]'`
target_os=`echo $target_os | sed '[s/^\([^-][^-]*\)-.*$/\1/]' | sed '[s/[\.0-9]*//g]'`
build=`echo $build | sed '[s/^\([^-][^-]*-[^-][^-]*-[^-][^-]*\)-.*$/\1/]'`
build_os=`echo $build_os | sed '[s/solaris2\..*/solaris/]'`
build_os=`echo $build_os | sed '[s/^\([^-][^-]*\)-.*$/\1/]'`
fi
echo Building on $build for $target
echo "Build: os=$build_os cpu=$build_cpu"
echo "Target: os=$target_os cpu=$target_cpu"
if test "$cross_compiling" = "yes"; then
if test -f ./config.$target_os; then
. ./config.$target_os
else
echo
echo "
FATAL ERROR: Cannot perform cross-compilation without a file to source
configuration information from (config.$target_os is missing)"
rm -rf conftest conftest.*
exit 1
fi
fi
AC_SUBST(cross_compiling)
dnl CFLAGS setting is a co-dependency between here and PCFLAGS in
dnl src/include/builddefs.in ... need to be the same in both places
gcc_debug=true
target_distro=$target_os
if test $target_os = linux
then
AC_DEFINE(IS_LINUX, [1], [Platform is Linux])
test -f /etc/SuSE-release && target_distro=suse
target_distro_variant=''
if test -f /etc/os-release
then
grep -q 'ID_LIKE="suse"' /etc/os-release 2>/dev/null && target_distro=suse
grep -qi 'opensuse"' /etc/os-release 2>/dev/null && target_distro_variant=opensuse
fi
test -f /etc/fedora-release && target_distro=fedora
test -f /etc/redhat-release && target_distro=redhat
test -f /etc/debian_version && target_distro=debian
test -f /etc/slackware-version && target_distro=slackware
test -f /etc/gentoo-release && target_distro=gentoo
test -f /etc/mandriva-release && target_distro=mandriva
test -f /etc/arch-release && target_distro=arch
export CFLAGS="-fPIC -fno-strict-aliasing -D_GNU_SOURCE"
pcp_platform_paths='/usr/bin/X11:/usr/local/bin'
pcp_ps_all_flags=-efw
elif test $target_os = darwin
then
AC_DEFINE(IS_DARWIN, [1], [Platform is Darwin (Mac OS X)])
target_distro=macosx
export CFLAGS="-fPIC -no-cpp-precomp -fno-strict-aliasing"
pcp_platform_paths='/usr/local/bin:/opt/homebrew/bin'
pcp_ps_all_flags="-axw -o user,pid,ppid,cpu,stime,tty,time,command"
elif test $target_os = mingw
then
AC_DEFINE(IS_MINGW, [1], [Platform is MinGW (Windows)])
export CFLAGS="-fno-strict-aliasing"
pcp_platform_paths=''
pcp_ps_all_flags=-efW
elif test $target_os = solaris
then
AC_DEFINE(IS_SOLARIS, [1], [Platform is Solaris])
export CFLAGS_IF_GCC="-fPIC -fno-strict-aliasing -D_XPG4_2 -D__EXTENSIONS__"
export CFLAGS_IF_SUNCC="-fPIC -xalias_level=any -D_XPG4_2 -D__EXTENSIONS__"
pcp_platform_paths='/usr/bin/X11:/usr/local/bin:/opt/sfw/bin:/opt/csw/bin'
pcp_ps_all_flags=-ef
elif test $target_os = aix
then
AC_DEFINE(IS_AIX, [1], [Platform is AIX])
export CFLAGS="-qcpluscmt"
pcp_platform_paths='/usr/bin/X11:/usr/local/bin'
pcp_ps_all_flags=-ef
elif test $target_os = freebsd || test $target_os = kfreebsd
then
AC_DEFINE(IS_FREEBSD, [1], [Platform is FreeBSD])
test -f /etc/debian_version && target_distro=debian
export CFLAGS="-fPIC -fno-strict-aliasing -D_GNU_SOURCE"
if test $target_os = kfreebsd
then
pcp_ps_all_flags=-efw
else
pcp_ps_all_flags="-axww -o user,pid,ppid,%cpu,start,tty,time,args"
fi
pcp_platform_paths='/usr/bin/X11'
test -d /usr/local/bin && pcp_platform_paths="$pcp_platform_paths:/usr/local/bin"
test -d /usr/bsd && pcp_platform_paths="$pcp_platform_paths:/usr/bsd"
elif test $target_os = gnu
then
AC_DEFINE(IS_GNU, [1], [Platform is GNU Hurd])
test -f /etc/debian_version && target_distro=debian
export CFLAGS="-fPIC -fno-strict-aliasing -D_GNU_SOURCE"
pcp_platform_paths='/usr/bin/X11:/usr/local/bin'
pcp_ps_all_flags=-efw
elif test $target_os = netbsdelf -o $target_os = netbsd
then
target_os=netbsd
AC_DEFINE(IS_NETBSD, [1], [Platform is NetBSD])
export CFLAGS="-fPIC -fno-strict-aliasing -D_GNU_SOURCE -D_NETBSD_SOURCE"
pcp_platform_paths='/usr/pkg/bin'
pcp_ps_all_flags=auxww
elif test $target_os = openbsd
then
target_os=openbsd
AC_DEFINE(IS_OPENBSD, [1], [Platform is OpenBSD])
export CFLAGS="-fPIC -fno-strict-aliasing -D_GNU_SOURCE"
pcp_platform_paths='/usr/local/bin'
pcp_ps_all_flags="-axww -o user,pid,ppid,%cpu,start,tty,time,args"
if test "$target_cpu" = "i386" -a "$host_os" = "openbsd6.8"
then
dnl build with -g are broken here due to a gcc bug
gcc_debug=false
fi
else
echo
echo "FATAL ERROR: need platform-specific customization for \"$target_os\""
rm -rf conftest conftest.*
exit 1
fi
AC_SUBST(pcp_platform_paths)
AC_SUBST(pcp_ps_all_flags)
dnl default C and C++ compiler optimization to -O2 -g (latter depends on $gcc_debug)
if test "$use_optimization" = no
then
optimization="-O0"
$gcc_debug && optimization="$optimization -g"
else
optimization="-O2"
$gcc_debug && optimization="$optimization -g"
fi
AC_SUBST(optimization)
PKG_PROG_PKG_CONFIG
if test -z "$PKG_CONFIG"; then
AC_MSG_ERROR([cannot find a 'pkg-config' command])
fi
dnl check if user wants their own C compiler
cflags_abi=
AC_PROG_CC(suncc egcc gcc cc clang)
if test $target_os = solaris
then
AC_PATH_PROG(CCPATH,$CC,$CC)
cc=$CCPATH
if test "$GCC" = "yes"
then
CFLAGS="$CFLAGS $CFLAGS_IF_GCC"
else
CFLAGS="$CFLAGS $CFLAGS_IF_SUNCC"
fi
if test "$use_64bit" = "no"
then
:
else
AC_MSG_CHECKING([for 64 bit Solaris host])
case `isainfo -k`
in
amd64|sparcv9)
cflags_abi=-m64
CFLAGS="$CFLAGS -m64"
LDFLAGS="$LDFLAGS -m64"
AC_MSG_RESULT(yes)
;;
*)
AC_MSG_RESULT(no)
;;
esac
fi
else
cc=$CC
fi
AC_SUBST(cc)
cc_is_gcc=$GCC
AC_SUBST(cc_is_gcc)
AC_SUBST(cflags_abi)
dnl these become CFLAGS and LDFLAGS for the build
PCFLAGS="$CFLAGS"
PLDFLAGS=$LDFLAGS
if echo "$CFLAGS" | grep 'D_FORTIFY_SOURCE' >/dev/null
then
dnl for cc use locally in configure (not exported via $PCFLAGS),
dnl add -O in case -D_FORTIFY_SOURCE has been added to CFLAGS above,
dnl as -D_FORTIFY_SOURCE requires -O but we've separated optimization
dnl flags out into $CFLAGS_OPT for our build infrastructure
CFLAGS="-O $PCFLAGS"
fi
dnl some versions of gcc (e.g. version 4.8.4 on Gentoo Hardened) have added
dnl a predefined for _FORTIFY_SOURCE but only when -O is specified ... so
dnl to be safe we have -U_FORTIFY_SOURCE before -D_FORTIFY_SOURCE=2 below
dnl Add some security-related gcc flags
if echo "$CFLAGS" | grep stack-protector >/dev/null
then
dnl already set, probably from the environment
:
else
AC_ARG_ENABLE([ssp],
[AS_HELP_STRING([--disable-ssp], [disable gcc stack-protector])])
AS_IF([test "x$cc_is_gcc" = xyes -a "x$enable_ssp" != xno -a "x$use_optimization" = xyes ],[
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -O -fstack-protector-all -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([int something ();])], [
AC_MSG_NOTICE([Compiling with gcc -fstack-protector-all et al.])
PCFLAGS="$PCFLAGS -fstack-protector-all -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2"],[
AC_MSG_NOTICE([Compiler does not support -fstack-protector-all et al.])
CFLAGS="$save_CFLAGS"
])
])
fi
dnl Add other non-default gcc static checking flags
if ! echo "$CFLAGS" | grep -- -Wshadow >/dev/null
then
AS_IF([test "x$cc_is_gcc" = xyes ],[PCFLAGS="$PCFLAGS -Wshadow"])
fi
dnl Disable array bounds as pmResult is often mischaracterised
if ! echo "$CFLAGS" | grep -- -Wno-array-bounds >/dev/null
then
AS_IF([test "x$cc_is_gcc" = xyes ],[PCFLAGS="$PCFLAGS -Wno-array-bounds"])
fi
force_time_t=false
dnl we also need to worry about time_t ... we need it to be 64-bits for Y2038;
dnl _FILE_OFFSET_BITS and _TIME_BITS must be set together for the 32-bit case.
AC_MSG_CHECKING([default sizeof time_t])
cat <<End-of-File >conftest.c
#include <stdio.h>
#include <sys/time.h>
int main() { printf("%d", (int)sizeof(time_t)); return 0; }
End-of-File
(eval $ac_compile) 2>&5
(eval $ac_link) 2>&5
ans=`./conftest`
echo "./conftest -> \"$ans\"" >&5
AC_MSG_RESULT([$ans])
rm -f conftest.done
if test "$ans" = 4; then
dnl well that's disappointing the default time_t won't survive
dnl Y2038 ... let's see if -D_TIME_BIT64 makes any difference
AC_MSG_CHECKING([sizeof time_t with -D_TIME_BITS=64])
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64"
(eval $ac_compile) 2>&5
(eval $ac_link) 2>&5
CFLAGS="$save_CFLAGS"
ans=`./conftest`
echo "./conftest -D_TIME_BITS=64 -> \"$ans\"" >&5
if test "$ans" = 8; then
PCFLAGS="$PCFLAGS -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64"
AC_MSG_RESULT([$ans => -D_TIME_BITS=64])
touch conftest.done
force_time_t=true
else
AC_MSG_RESULT([$ans => no way to make this Y2038 safe])
fi
fi
if test ! -f conftest.done; then
dnl we may need to check off_t ... we need it to be 64-bits for V3 archives
dnl this check is optional only because it may be set already (just prior).
AC_MSG_CHECKING([default sizeof off_t])
cat <<End-of-File >conftest.c
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
int main() { printf("%d", (int)sizeof(off_t)); return 0; }
End-of-File
(eval $ac_compile) 2>&5
(eval $ac_link) 2>&5
ans=`./conftest`
echo "./conftest -> \"$ans\"" >&5
rm -rf conftest conftest.*
if test "$ans" = 4; then
PCFLAGS="$PCFLAGS -D_FILE_OFFSET_BITS=64"
AC_MSG_RESULT([$ans => -D_FILE_OFFSET_BITS=64])
else
AC_MSG_RESULT($ans)
fi
fi
rm -rf conftest conftest.*
AC_SUBST(PCFLAGS)
AC_SUBST(PLDFLAGS)
dnl we have some constraints around the packing of pmResults of various
dnl flavours and Python modules handling of pmHighResResult
dnl 1) we need the offset of the numpmid field in __pmResult to be at least as
dnl big as the offset of the numpmid field in pmResult _and_ pmHighResResult
dnl (for the tricky games in libpcp to minimize copying)
dnl 2) we need to know if the compiler is adding padding between the timestamp
dnl and the numpmid fields of pmHighResResult (for Python packing and
dnl unpacking)
cat <<End-of-File >conftest.c
#include <stdint.h>
#include <stddef.h>
#include <stdio.h>
#include <sys/time.h>
typedef struct {
int64_t sec;
int32_t nsec;
} __pmTimestamp;
typedef struct {
__pmTimestamp stamp;
int numpmid;
} __pmResult;
typedef struct {
struct timeval stamp;
int numpmid;
} pmResult;
typedef struct {
struct timespec stamp;
int numpmid;
} pmHighResResult;
void
main(void)
{
__pmResult __rp;
pmResult rp;
pmHighResResult hrp;
int nb;
nb = (int)offsetof(pmResult,numpmid);
if (nb < (int)offsetof(pmHighResResult,numpmid))
nb = (int)offsetof(pmHighResResult,numpmid);
if (nb > (int)offsetof(__pmResult,numpmid))
printf("__pmResult pad %d\n", nb - (int)offsetof(__pmResult,numpmid));
nb = (int)(sizeof(hrp.stamp) - sizeof(hrp.stamp.tv_sec) - sizeof(hrp.stamp.tv_nsec));
if (nb > 0)
printf("timespec pad %d\n", nb);
}
End-of-File
save_CFLAGS="$CFLAGS"
CFLAGS="$PCFLAGS"
(eval $ac_compile) 2>&5
(eval $ac_link) 2>&5
./conftest >conftest.out
CFLAGS="$save_CFLAGS"
AC_MSG_CHECKING([__pmResult padding])
ans=`sed <conftest.out -n -e '/__pmResult pad/s/.* //p'`
if test -n "$ans"
then
AC_DEFINE_UNQUOTED(PM_PAD_RESULT, $ans, [__pmResult padding])
AC_MSG_RESULT($ans)
else
AC_MSG_RESULT([no])
fi
AC_MSG_CHECKING([timespec padding])
ans=`sed <conftest.out -n -e '/timespec pad/s/.* //p'`
if test -n "$ans"
then
AC_DEFINE_UNQUOTED(PM_PAD_TIMESPEC, $ans, [timespec padding])
AC_MSG_RESULT($ans)
else
AC_MSG_RESULT([no])
fi
dnl Check for even more security-related gcc/linker flags, useful for daemons
AC_ARG_ENABLE([pie],
[AS_HELP_STRING([--disable-pie], [disable position-independent-executable])])
AS_IF([test "x$cc_is_gcc" = xyes -a "x$enable_pie" != xno],[
PIECFLAGS='-fPIE'
PIELDFLAGS='-pie -Wl,-z,relro -Wl,-z,now'
save_CFLAGS="$CFLAGS"
save_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS $PIECFLAGS"
LDFLAGS="$LDFLAGS $PIELDFLAGS"
AC_LINK_IFELSE([AC_LANG_SOURCE([void main () {}])], [
AC_MSG_NOTICE([Compiling with gcc pie et al.])
], [
AC_MSG_NOTICE([Compiler does not support -pie et al.])
PIECFLAGS=""
PIELDFLAGS=""
])
CFLAGS="$save_CFLAGS"
LDFLAGS="$save_LDFLAGS"
])
AC_SUBST(PIELDFLAGS)
AC_SUBST(PIECFLAGS)
dnl Check for support for symbol hiding via gcc flags
AC_ARG_ENABLE([visibility],
[AS_HELP_STRING([--disable-visibility], [disable gcc symbol visibility])])
AS_IF([test "x$cc_is_gcc" = xyes -a "$enable_visibility" != no],[
INVISIBILITY="-fvisibility=hidden"
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -c $INVISIBILITY"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([int visible () { return 0; }])], [
AC_MSG_NOTICE([Compiling DSO PMDAs with gcc -fvisibility=hidden])
], [
AC_MSG_NOTICE([Compiler does not support -fvisibility.])
INVISIBILITY=""
])
CFLAGS="$save_CFLAGS"
])
AC_SUBST(INVISIBILITY)
dnl Check for (opt-in) support for --std=c99
AC_MSG_CHECKING([for --std=c99 support])
AS_IF([test "x$cc_is_gcc" = xyes],[
C99_CFLAGS="--std=c99"
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $C99_CFLAGS"
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <stdio.h>]],
[[for (int i=0; i<1; i++)]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
C99_CFLAGS=""])
CFLAGS="$save_CFLAGS"
])
AC_SUBST(C99_CFLAGS)
dnl Check for a C++ compiler
AC_PROG_CXX(eg++ g++ c++ clang++)
cxx=$CXX
AC_SUBST(cxx)
AC_MSG_CHECKING([for working C++ compiler])
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <cstdio>]],
[[const char gday[] = "G'day, world\n";]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
cxx=""])
AC_LANG_POP([C++])
dnl Prevent shared libraries from being built for libpcp and other core libraries
AC_ARG_ENABLE([shared],
[AS_HELP_STRING([--disable-shared], [disable core shared libary generation])],
[PACKAGE_CONFIGURE="$PACKAGE_CONFIGURE --disable-shared=$withval"],
[enable_shared=false])
AC_SUBST(enable_shared)
dnl check if user wants to use any of their own commands;
dnl ordering is important: some tests use earlier results
test -z "$AWK" && AC_PATH_PROGS(AWK, gawk awk, /usr/bin/awk)
case "$AWK"
in
gawk|*/gawk)
awk="$AWK --posix"
;;
*)
awk=$AWK
;;
esac
AC_SUBST(awk)
if test -z "$SED"; then
AC_PATH_PROG(SED, sed, /bin/sed)
fi
if test ! -x "$SED"; then
AC_MSG_ERROR([cannot find a valid 'sed' command.])
fi
sed=$SED
AC_SUBST(sed)
if test -z "$ECHO"; then
AC_PATH_PROG(ECHO, echo, /bin/echo)
fi
if test ! -x "$ECHO"; then
AC_MSG_ERROR([cannot find a valid 'echo' command.])
fi
echo=$ECHO
AC_SUBST(echo)
if test -z "$FIND"; then
AC_PATH_PROG(FIND, find, /usr/bin/find)
fi
if test ! -x "$FIND"; then
AC_MSG_ERROR([cannot find a valid 'find' command.])
fi
find=$FIND
AC_SUBST(find)
if test -z "$WHICH"; then
AC_PATH_PROG(WHICH, which, /usr/bin/which)
fi
if test ! -x "$WHICH"; then
AC_MSG_ERROR([cannot find a valid 'which' command.])
fi
which=$WHICH
AC_SUBST(which)
if test -z "$AR"; then
AC_PATH_PROGS(AR, [gcc-ar ar], /usr/bin/ar)
fi
if test ! -x "$AR"; then
AC_MSG_ERROR([cannot find a valid 'ar' command.])
fi
ar=$AR
AC_SUBST(ar)
AC_PROG_LEX([noyywrap])
lex=`$echo $LEX | awk '{print $1}'`
lex=`$which "$lex"`
if test ! -x "$lex"; then
AC_MSG_ERROR([cannot find a valid 'lex'/'flex' command.])
fi
lex=$LEX
AC_SUBST(lex)
AC_PROG_YACC
yacc=`$echo $YACC | awk '{print $1}'`
yacc=`$which "$yacc"`
if test ! -x "$yacc"; then
AC_MSG_ERROR([cannot find a valid 'yacc'/'bison' command.])
fi
dnl if this is bison, don't use the -y option
yacc=`echo $YACC | sed -e '/^bison /{
s/$/ /
s/ -y / /
s/ $//
}'`
AC_SUBST(yacc)
AC_CHECK_PROGS(RAGEL, ragel, [])
AC_SUBST(RAGEL)
dnl check we don't get the Windows sort ...
AC_MSG_CHECKING([where unix-like sort(1) lives])
if test $target_os = mingw; then
for d in /bin /usr/bin /mingw/bin /mingw/usr/bin
do
if test -x $d/sort; then
sort=$d/sort
break
fi
done
else
sort=`$which sort`
fi
AC_MSG_RESULT($sort)
$sort -n </dev/null
if test $? != 0
then
echo
echo "FATAL ERROR: $sort -n failed!"
rm -rf conftest conftest.*
exit 1
fi
AC_SUBST(sort)
dnl echo_n set to -n if echo understands -n to suppress newline
dnl echo_c set to \c if echo understands \c to suppress newline
AC_MSG_CHECKING([if echo uses -n or backslash-c to suppress newlines])
if ( $echo "testing\c"; $echo 1,2,3 ) | grep c >/dev/null
then
if ( $echo -n testing; $echo 1,2,3 ) | sed s/-n/xn/ | grep xn >/dev/null
then
echo_n= echo_c=
AC_MSG_RESULT([neither?])
else
echo_n=-n echo_c=
AC_MSG_RESULT([ -n])
fi
else
echo_n= echo_c='\\c'
AC_MSG_RESULT([backslash-c])
fi
AC_SUBST(echo_n)
AC_SUBST(echo_c)
dnl subsequent configure checks rely on $EGREP being set
AC_PROG_EGREP
dnl Check for static probes (dtrace, systemtap)
if test "$do_probes" = "check" -o "$do_probes" = "yes"
then
enable_probes=true
AC_CHECK_PROGS(DTRACE, dtrace, [])
if test -z "$DTRACE"
then
if test "$do_probes" = "yes"
then
AC_MSG_ERROR([cannot enable static probes - no dtrace executable])
fi
enable_probes=false
fi
AC_CHECK_HEADERS([sys/sdt.h], [
if $enable_probes = true
then
if test $target_os = kfreebsd
then
enable_probes=false
elif test $target_os = freebsd
then
dnl dtrace support in FreeBSD depends on configuration of kernel
rm -f conftest.d conftest.h
cat <<End-of-File >conftest.d
provider eek {
probe urk(int);
};
End-of-File
if dtrace -s conftest.d -h >/dev/null 2>&1
then
if test ! -f conftest.h
then
enable_probes=false
if test "$do_probes" = "yes"
then
AC_MSG_ERROR([cannot enable static probes - no .h from dtrace -h])
fi
fi
else
enable_probes=false
if test "$do_probes" = "yes"
then
AC_MSG_ERROR([cannot enable static probes - dtrace failed])
fi
fi
fi
fi
], [
enable_probes=false
if test "$do_probes" = "yes"
then
AC_MSG_ERROR([cannot enable static probes - no SDT header])
fi
])
if test "$enable_probes" = "true"
then
AC_DEFINE(HAVE_STATIC_PROBES, [1], [Static probes (dtrace, systemtap)])
fi
AC_SUBST(enable_probes)
AC_SUBST(DTRACE)
fi
dnl Check for gperftools
AS_IF([test "x$use_gperftools" != "xno"], [
PKG_CHECK_MODULES([gperftools], [libprofiler, libtcmalloc])
])
dnl Check for sanitizers
sanitizer=""
if test "x$use_sanitizer" != "xno"; then
sanitizer="-fsanitize=$use_sanitizer"
fi
AC_SUBST(sanitizer)
dnl Check for service discovery mechanisms (DNS-SD, Avahi)
AS_IF([test "x$do_discovery" != "xno"], [
# on Mac OS X, dns_sd.h
# on Linux, aloha Avahi
enable_avahi=true
PKG_CHECK_MODULES([avahi], [avahi-client],
[AC_CHECK_LIB(avahi-client, avahi_client_new,
[lib_for_avahi="-lavahi-common -lavahi-client"],
[enable_avahi=false])
],[enable_avahi=false])
AC_CHECK_HEADERS([avahi-client/publish.h],, [enable_avahi=false])
AC_CHECK_HEADERS([avahi-common/alternative.h],, [enable_avahi=false])
if test "$enable_avahi" = "true"
then
AC_SUBST(lib_for_avahi)
AC_SUBST(avahi_CFLAGS)
AC_DEFINE(HAVE_AVAHI, [1], [Service discovery via Avahi])
enable_discovery=true
fi
if test "$do_discovery" != "check" -a "$enable_discovery" != "true"
then
AC_MSG_ERROR([cannot enable service discovery - no supported mechanisms])
fi
if test "$enable_discovery" = "true"
then
AC_DEFINE(HAVE_SERVICE_DISCOVERY, [1], [Service discovery mechanisms])
fi
])
AC_SUBST(enable_discovery)
AC_SUBST(enable_avahi)
dnl Check for systemd services
enable_systemd=false
AC_MSG_CHECKING([if systemd should be used])
AS_IF([test "x$do_systemd" != "xno"], [
enable_systemd=true
PKG_CHECK_VAR([SYSTEMD_TMPFILESDIR], [systemd], [tmpfilesdir],
[pcp_systemdtmpfiles_dir=$SYSTEMD_TMPFILESDIR],
[pcp_systemdtmpfiles_dir=$pcp_lib32_dir/tmpfiles.d])
AC_SUBST(pcp_systemdtmpfiles_dir)
PKG_CHECK_VAR([SYSTEMD_SYSUSERSDIR], [systemd], [sysusersdir],
[pcp_systemdsysusers_dir=$SYSTEMD_SYSUSERSDIR],
[pcp_systemdsysusers_dir=$pcp_lib32_dir/sysusers.d])
AC_SUBST(pcp_systemdsysusers_dir)
PKG_CHECK_VAR([SYSTEMD_SYSTEMUNITDIR], [systemd], [systemdsystemunitdir],
[pcp_systemdunit_dir=$SYSTEMD_SYSTEMUNITDIR], [enable_systemd=false])
AC_SUBST(pcp_systemdunit_dir)
if test -z "$pcp_systemdunit_dir"
then
if test "$do_systemd" = "yes"
then
AC_MSG_ERROR([cannot enable systemd support - no systemunitdir path])
fi
enable_systemd=false
fi
])
if $enable_systemd
then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_SUBST(enable_systemd)
if $enable_systemd
then
dnl sd_notify() is needed in __pmServerNotifySystemd(), but only if systemd
dnl is being used
AC_CHECK_HEADERS([systemd/sd-daemon.h], [have_sd_daemon=true], [have_sd_daemon=false])
$have_sd_daemon || echo WARNING: using systemd, but header systemd/sd-daemon.h not installed
fi
sd_service_type="simple"
if $enable_systemd
then
dnl if systemd version is 239 or newer, use type=exec for logutil scripts
dnl else fallback to type=simple (e.g. on centos7 and some other platforms)
systemd_version=`systemd-analyze --version | $AWK '/^systemd/ {print $2}'`
if test "$systemd_version" -ge 239
then
sd_service_type="exec"
fi
fi
AC_SUBST(sd_service_type)
dnl NB: No AC_PREFIX_DEFAULT is needed, as the default configure invocation
dnl targets a build for non-system directories such as /usr/local.
dnl AC_PREFIX_DEFAULT([])
. ./VERSION.pcp
PACKAGE_VERSION=${PACKAGE_MAJOR}.${PACKAGE_MINOR}.${PACKAGE_REVISION}
AC_SUBST(PACKAGE_VERSION)
AC_SUBST(PACKAGE_MAJOR)
AC_SUBST(PACKAGE_MINOR)
AC_SUBST(PACKAGE_REVISION)
AC_SUBST(PACKAGE_BUILD)
if test -z "$PACKAGE_BUILD_DATE" ; then
# use SOURCE_DATE_EPOCH for a deterministic builddate (reproducible builds)
PACKAGE_BUILD_DATE=`TZ=UTC date -d "@${SOURCE_DATE_EPOCH:-$(date +%s)}" +%Y-%m-%d 2>/dev/null`
test $? -eq 0 || PACKAGE_BUILD_DATE=`date +%Y-%m-%d`
fi
AC_SUBST(PACKAGE_BUILD_DATE)
if test -z "$PACKAGE_DISTRIBUTION" ; then
PACKAGE_DISTRIBUTION=$target_distro
fi
AC_SUBST(PACKAGE_DISTRIBUTION)
dnl generate PM_VERSION_CURRENT for header
pm_version_current=`awk </dev/null "BEGIN { print (${PACKAGE_MAJOR}*256+${PACKAGE_MINOR})*256+${PACKAGE_REVISION} }"`
AC_SUBST(pm_version_current)
dnl output header files with cpp defs HAVE_*, etc
AC_CONFIG_HEADERS(src/include/pcp/config.h src/include/pcp/configsz.h)
AC_CONFIG_FILES([src/include/pcp/platform_defs.h src/include/pcp/platformsz.h])
AC_OUTPUT
AC_CHECK_PROGS(GIT, git)
AC_SUBST(GIT)
AC_CHECK_PROGS(PYLINT, pylint, /bin/true)
AC_SUBST(PYLINT)
dnl check if python3 available for the build and runtime
AC_PATH_PROGS(PYTHON3, [python3])
if test -z "$PYTHON3"
then
dnl no python3 executable, so look for latest python3.x, if any
AC_MSG_CHECKING([for python3.N executable])