htop/configure.ac

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.65)
AC_INIT([htop],[3.0.2],[htop@groups.io])
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AC_CONFIG_SRCDIR([htop.c])
AC_CONFIG_AUX_DIR([.])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
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# Required by hwloc scripts
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([1.11])
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# Checks for programs.
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# ----------------------------------------------------------------------
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AC_PROG_CC
AM_PROG_CC_C_O
# Required by hwloc scripts
AC_USE_SYSTEM_EXTENSIONS
# Checks for platform.
# ----------------------------------------------------------------------
case "$target_os" in
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linux*|gnu*)
my_htop_platform=linux
;;
freebsd*|kfreebsd*)
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my_htop_platform=freebsd
;;
openbsd*)
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my_htop_platform=openbsd
;;
dragonfly*)
my_htop_platform=dragonflybsd
;;
darwin*)
my_htop_platform=darwin
;;
solaris*)
my_htop_platform=solaris
;;
*)
my_htop_platform=unsupported
;;
esac
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# Checks for libraries.
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# ----------------------------------------------------------------------
AC_CHECK_LIB([m], [ceil], [], [missing_libraries="$missing_libraries libm"])
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# Checks for header files.
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# ----------------------------------------------------------------------
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AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h],[:],[
missing_headers="$missing_headers $ac_header"
])
AC_CHECK_HEADERS([execinfo.h],[:],[:])
AC_HEADER_MAJOR
dnl glibc 2.25 deprecates 'major' and 'minor' in <sys/types.h> and requires to
dnl include <sys/sysmacros.h>. However the logic in AC_HEADER_MAJOR has not yet
dnl been updated in Autoconf 2.69, so use a workaround:
m4_version_prereq([2.70], [],
[if test "x$ac_cv_header_sys_mkdev_h" != xyes; then
AC_CHECK_HEADER(sys/sysmacros.h, [AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
[Define to 1 if `major', `minor', and `makedev' are declared in <sys/sysmacros.h>.])])
fi])
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# Checks for typedefs, structures, and compiler characteristics.
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# ----------------------------------------------------------------------
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AC_HEADER_STDBOOL
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_UID_T
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# Checks for library functions and compiler features.
# ----------------------------------------------------------------------
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AC_FUNC_CLOSEDIR_VOID
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_CHECK_FUNCS([memmove strncasecmp strstr strdup])
save_cflags="${CFLAGS}"
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CFLAGS="${CFLAGS} -std=c99"
AC_MSG_CHECKING([whether gcc -std=c99 option works])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[AC_INCLUDES_DEFAULT], [[char *a; a = strdup("foo"); int i = 0; i++; // C99]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_ERROR([htop is written in C99. A newer version of gcc is required.])])
CFLAGS="$save_cflags"
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save_cflags="${CFLAGS}"
CFLAGS="$CFLAGS -Wextra"
AC_MSG_CHECKING([if compiler supports -Wextra])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])],[
wextra_flag=-Wextra
AC_MSG_RESULT([yes])
],[
wextra_flag=
AC_MSG_RESULT([no])
])
CFLAGS="$save_cflags"
AC_SUBST(wextra_flag)
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# Checks for features and flags.
# ----------------------------------------------------------------------
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PROCDIR=/proc
AC_ARG_WITH(proc, [AS_HELP_STRING([--with-proc=DIR], [Location of a Linux-compatible proc filesystem (default=/proc).])],
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if test -n "$withval"; then
AC_DEFINE_UNQUOTED(PROCDIR, "$withval", [Path of proc filesystem])
PROCDIR="$withval"
fi,
AC_DEFINE(PROCDIR, "/proc", [Path of proc filesystem]))
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if test "x$cross_compiling" = xno; then
if test "x$enable_proc" = xyes; then
AC_CHECK_FILE($PROCDIR/stat,,AC_MSG_ERROR(Cannot find $PROCDIR/stat. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.))
AC_CHECK_FILE($PROCDIR/meminfo,,AC_MSG_ERROR(Cannot find $PROCDIR/meminfo. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.))
fi
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fi
AC_ARG_ENABLE(openvz, [AS_HELP_STRING([--enable-openvz], [enable OpenVZ support])], ,enable_openvz="no")
if test "x$enable_openvz" = xyes; then
AC_DEFINE(HAVE_OPENVZ, 1, [Define if openvz support enabled.])
fi
AC_ARG_ENABLE(cgroup, [AS_HELP_STRING([--enable-cgroup], [enable cgroups support])], ,enable_cgroup="no")
if test "x$enable_cgroup" = xyes; then
AC_DEFINE(HAVE_CGROUP, 1, [Define if cgroup support enabled.])
fi
AC_ARG_ENABLE(vserver, [AS_HELP_STRING([--enable-vserver], [enable VServer support])], ,enable_vserver="no")
if test "x$enable_vserver" = xyes; then
AC_DEFINE(HAVE_VSERVER, 1, [Define if vserver support enabled.])
fi
AC_ARG_ENABLE(ancient_vserver, [AS_HELP_STRING([--enable-ancient-vserver], [enable ancient VServer support (implies --enable-vserver)])], ,enable_ancient_vserver="no")
if test "x$enable_ancient_vserver" = xyes; then
AC_DEFINE(HAVE_VSERVER, 1, [Define if vserver support enabled.])
AC_DEFINE(HAVE_ANCIENT_VSERVER, 1, [Define if ancient vserver support enabled.])
fi
AC_ARG_ENABLE(taskstats, [AS_HELP_STRING([--enable-taskstats], [enable per-task IO Stats (taskstats kernel sup required)])], ,enable_taskstats="yes")
if test "x$enable_taskstats" = xyes; then
AC_DEFINE(HAVE_TASKSTATS, 1, [Define if taskstats support enabled.])
fi
# HTOP_CHECK_SCRIPT(LIBNAME, FUNCTION, DEFINE, CONFIG_SCRIPT, ELSE_PART)
m4_define([HTOP_CHECK_SCRIPT],
[
if test ! -z "m4_toupper($HTOP_[$1]_CONFIG_SCRIPT)"; then
# to be used to set the path to ncurses*-config when cross-compiling
htop_config_script_libs=$(m4_toupper($HTOP_[$1]_CONFIG_SCRIPT) --libs 2> /dev/null)
htop_config_script_cflags=$(m4_toupper($HTOP_[$1]_CONFIG_SCRIPT) --cflags 2> /dev/null)
else
htop_config_script_libs=$([$4] --libs 2> /dev/null)
htop_config_script_cflags=$([$4] --cflags 2> /dev/null)
fi
htop_script_success=no
htop_save_LDFLAGS="$LDFLAGS"
htop_save_CFLAGS="$CFLAGS"
if test ! "x$htop_config_script_libs" = x; then
LDFLAGS="$htop_config_script_libs $LDFLAGS"
CFLAGS="$htop_config_script_cflags $CFLAGS"
AC_CHECK_LIB([$1], [$2], [
AC_DEFINE([$3], 1, [The library is present.])
LIBS="$htop_config_script_libs $LIBS "
htop_script_success=yes
], [
CFLAGS="$htop_save_CFLAGS"
])
LDFLAGS="$htop_save_LDFLAGS"
fi
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if test "x$htop_script_success" = xno; then
[$5]
fi
])
# HTOP_CHECK_LIB(LIBNAME, FUNCTION, DEFINE, ELSE_PART)
m4_define([HTOP_CHECK_LIB],
[
AC_CHECK_LIB([$1], [$2], [
AC_DEFINE([$3], 1, [The library is present.])
LIBS="-l[$1] $LIBS "
], [$4])
])
AC_ARG_ENABLE(unicode, [AS_HELP_STRING([--enable-unicode], [enable Unicode support])], ,enable_unicode="yes")
if test "x$enable_unicode" = xyes; then
HTOP_CHECK_SCRIPT([ncursesw6], [addnwstr], [HAVE_LIBNCURSESW], "ncursesw6-config",
HTOP_CHECK_SCRIPT([ncursesw], [addnwstr], [HAVE_LIBNCURSESW], "ncursesw6-config",
HTOP_CHECK_SCRIPT([ncursesw], [addnwstr], [HAVE_LIBNCURSESW], "ncursesw5-config",
HTOP_CHECK_SCRIPT([ncurses], [addnwstr], [HAVE_LIBNCURSESW], "ncurses5-config",
HTOP_CHECK_LIB([ncursesw6], [addnwstr], [HAVE_LIBNCURSESW],
HTOP_CHECK_LIB([ncursesw], [addnwstr], [HAVE_LIBNCURSESW],
HTOP_CHECK_LIB([ncurses], [addnwstr], [HAVE_LIBNCURSESW],
missing_libraries="$missing_libraries libncursesw"
AC_MSG_ERROR([You may want to use --disable-unicode or install libncursesw.])
)))))))
AC_CHECK_HEADERS([ncursesw/curses.h],[:],
[AC_CHECK_HEADERS([ncurses/ncurses.h],[:],
[AC_CHECK_HEADERS([ncurses/curses.h],[:],
[AC_CHECK_HEADERS([ncurses.h],[:],[missing_headers="$missing_headers $ac_header"])])])])
else
HTOP_CHECK_SCRIPT([ncurses6], [refresh], [HAVE_LIBNCURSES], "ncurses6-config",
HTOP_CHECK_SCRIPT([ncurses], [refresh], [HAVE_LIBNCURSES], "ncurses5-config",
HTOP_CHECK_LIB([ncurses6], [refresh], [HAVE_LIBNCURSES],
HTOP_CHECK_LIB([ncurses], [refresh], [HAVE_LIBNCURSES],
missing_libraries="$missing_libraries libncurses"
))))
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AC_CHECK_HEADERS([curses.h],[:],
[AC_CHECK_HEADERS([ncurses/curses.h],[:],
[AC_CHECK_HEADERS([ncurses/ncurses.h],[:],
[AC_CHECK_HEADERS([ncurses.h],[:],[missing_headers="$missing_headers $ac_header"])])])])
fi
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if test "$my_htop_platform" = "freebsd"; then
AC_CHECK_LIB([kvm], [kvm_open], [], [missing_libraries="$missing_libraries libkvm"])
fi
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if test "$my_htop_platform" = "openbsd"; then
AC_CHECK_LIB([kvm], [kvm_open], [], [missing_libraries="$missing_libraries libkvm"])
fi
if test "$my_htop_platform" = "solaris"; then
AC_CHECK_LIB([kstat], [kstat_open], [], [missing_libraries="$missing_libraries libkstat"])
AC_CHECK_LIB([proc], [Pgrab_error], [], [missing_libraries="$missing_libraries libproc"])
AC_CHECK_LIB([malloc], [free], [], [missing_libraries="$missing_libraries libmalloc"])
fi
AC_ARG_ENABLE(linux_affinity, [AS_HELP_STRING([--enable-linux-affinity], [enable Linux sched_setaffinity and sched_getaffinity for affinity support, disables hwloc])], ,enable_linux_affinity="yes")
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if test "x$enable_linux_affinity" = xyes -a "x$cross_compiling" = xno; then
AC_MSG_CHECKING([for usable sched_setaffinity])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <sched.h>
#include <errno.h>
static cpu_set_t cpuset;
]], [[
CPU_ZERO(&cpuset);
sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
if (errno == ENOSYS) return 1;
]])],
[AC_MSG_RESULT([yes])],
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[enable_linux_affinity=no
AC_MSG_RESULT([no])])
fi
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if test "x$enable_linux_affinity" = xyes; then
AC_DEFINE(HAVE_LINUX_AFFINITY, 1, [Define if Linux sched_setaffinity and sched_getaffinity are to be used.])
fi
AC_ARG_ENABLE(hwloc, [AS_HELP_STRING([--enable-hwloc], [enable hwloc support for CPU affinity])],, enable_hwloc="no")
if test "x$enable_hwloc" = xyes
then
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AC_CHECK_LIB([hwloc], [hwloc_get_proc_cpubind], [], [missing_libraries="$missing_libraries libhwloc"])
AC_CHECK_HEADERS([hwloc.h],[:], [missing_headers="$missing_headers $ac_header"])
fi
AC_ARG_ENABLE(setuid, [AS_HELP_STRING([--enable-setuid], [enable setuid support for platforms that need it])],, enable_setuid="no")
if test "x$enable_setuid" = xyes
then
AC_DEFINE(HAVE_SETUID_ENABLED, 1, [Define if setuid support should be enabled.])
fi
AC_ARG_ENABLE(delayacct, [AS_HELP_STRING([--enable-delayacct], [enable Linux delay accounting])],, enable_delayacct="no")
if test "x$enable_delayacct" = xyes
then
m4_ifdef([PKG_PROG_PKG_CONFIG], [
PKG_PROG_PKG_CONFIG()
PKG_CHECK_MODULES(LIBNL3, libnl-3.0, [], [missing_libraries="$missing_libraries libnl-3"])
PKG_CHECK_MODULES(LIBNL3GENL, libnl-genl-3.0, [], [missing_libraries="$missing_libraries libnl-genl-3"])
CFLAGS="$CFLAGS $LIBNL3_CFLAGS $LIBNL3GENL_CFLAGS"
LIBS="$LIBS $LIBNL3_LIBS $LIBNL3GENL_LIBS"
AC_DEFINE(HAVE_DELAYACCT, 1, [Define if delay accounting support should be enabled.])
], [
pkg_m4_absent=1
m4_warning([configure is generated without pkg.m4. 'make dist' target will be disabled.])
AC_MSG_ERROR([htop on Linux requires pkg-config for checking delayacct requirements. Please install pkg-config and run ./autogen.sh to rebuild the configure script.])
])
fi
AC_ARG_ENABLE([werror], [AS_HELP_STRING([--enable-werror], [Treat warnings as errors (default: warnings are not errors)])], [enable_werror="$enableval"], [enable_werror=no])
AS_IF([test "x$enable_werror" = "xyes"], [AM_CFLAGS="$AM_CFLAGS -Werror"])
AC_SUBST([AM_CFLAGS])
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# Bail out on errors.
# ----------------------------------------------------------------------
if test ! -z "$missing_libraries"; then
AC_MSG_ERROR([missing libraries: $missing_libraries])
fi
if test ! -z "$missing_headers"; then
AC_MSG_ERROR([missing headers: $missing_headers])
fi
AC_DEFINE_UNQUOTED(COPYRIGHT, "(C) 2004-2018 Hisham Muhammad", [Copyright message.])
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# We're done, let's go!
# ----------------------------------------------------------------------
AM_CONDITIONAL([HTOP_LINUX], [test "$my_htop_platform" = linux])
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AM_CONDITIONAL([HTOP_FREEBSD], [test "$my_htop_platform" = freebsd])
AM_CONDITIONAL([HTOP_DRAGONFLYBSD], [test "$my_htop_platform" = dragonflybsd])
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AM_CONDITIONAL([HTOP_OPENBSD], [test "$my_htop_platform" = openbsd])
AM_CONDITIONAL([HTOP_DARWIN], [test "$my_htop_platform" = darwin])
AM_CONDITIONAL([HTOP_SOLARIS], [test "$my_htop_platform" = solaris])
AM_CONDITIONAL([HTOP_UNSUPPORTED], [test "$my_htop_platform" = unsupported])
AC_SUBST(my_htop_platform)
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AC_CONFIG_FILES([Makefile htop.1])
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AC_OUTPUT
if test "$my_htop_platform" = "unsupported"
then
echo ""
echo "****************************************************************"
echo "WARNING! This platform is not currently supported by htop."
echo ""
echo "The code will build, but it will produce a dummy version of htop"
echo "which shows no processes, using the files from the unsupported/"
echo "directory. This is meant to be a skeleton, to be used as a"
echo "starting point if you are porting htop to a new platform."
echo "****************************************************************"
echo ""
fi
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AC_MSG_RESULT([
${PACKAGE_NAME} ${VERSION}
platform: $my_htop_platform
proc directory: $PROCDIR
openvz: $enable_openvz
cgroup: $enable_cgroup
vserver: $enable_vserver
ancient vserver: $enable_ancient_vserver
taskstats: $enable_taskstats
unicode: $enable_unicode
linux affinity: $enable_linux_affinity
hwlock: $enable_hwloc
setuid: $enable_setuid
linux delay accounting: $enable_delayacct
])