mirror of https://github.com/xzeldon/htop.git
394 lines
15 KiB
Plaintext
394 lines
15 KiB
Plaintext
# -*- Autoconf -*-
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# Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.65)
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AC_INIT([htop],[3.0.3-dev],[htop@groups.io])
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AC_CONFIG_SRCDIR([htop.c])
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AC_CONFIG_AUX_DIR([.])
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AC_CONFIG_HEADERS([config.h])
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# Required by hwloc scripts
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AC_CANONICAL_TARGET
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AM_INIT_AUTOMAKE([1.11])
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# Checks for programs.
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# ----------------------------------------------------------------------
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AC_PROG_CC
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AM_PROG_CC_C_O
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# Required by hwloc scripts
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AC_USE_SYSTEM_EXTENSIONS
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# Checks for platform.
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# ----------------------------------------------------------------------
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case "$target_os" in
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linux*|gnu*)
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my_htop_platform=linux
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AC_DEFINE([HTOP_LINUX], [], [Building for Linux])
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;;
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freebsd*|kfreebsd*)
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my_htop_platform=freebsd
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AC_DEFINE([HTOP_FREEBSD], [], [Building for FreeBSD])
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;;
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openbsd*)
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my_htop_platform=openbsd
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AC_DEFINE([HTOP_OPENBSD], [], [Building for OpenBSD])
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;;
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dragonfly*)
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my_htop_platform=dragonflybsd
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AC_DEFINE([HTOP_DRAGONFLYBSD], [], [Building for DragonFlyBSD])
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;;
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darwin*)
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my_htop_platform=darwin
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AC_DEFINE([HTOP_DARWIN], [], [Building for Darwin])
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;;
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solaris*)
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my_htop_platform=solaris
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AC_DEFINE([HTOP_SOLARIS], [], [Building for Solaris])
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;;
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*)
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my_htop_platform=unsupported
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AC_DEFINE([HTOP_UNSUPPORTED], [], [Building for an unsupported platform])
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;;
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esac
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# Checks for libraries.
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# ----------------------------------------------------------------------
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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
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AC_HEADER_STDC
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AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h],[:],[
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missing_headers="$missing_headers $ac_header"
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])
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AC_CHECK_HEADERS([execinfo.h],[:],[:])
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AC_HEADER_MAJOR
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dnl glibc 2.25 deprecates 'major' and 'minor' in <sys/types.h> and requires to
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dnl include <sys/sysmacros.h>. However the logic in AC_HEADER_MAJOR has not yet
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dnl been updated in Autoconf 2.69, so use a workaround:
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m4_version_prereq([2.70], [],
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[if test "x$ac_cv_header_sys_mkdev_h" != xyes; then
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AC_CHECK_HEADER(sys/sysmacros.h, [AC_DEFINE(MAJOR_IN_SYSMACROS, 1,
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[Define to 1 if `major', `minor', and `makedev' are declared in <sys/sysmacros.h>.])])
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fi])
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# Checks for typedefs, structures, and compiler characteristics.
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# ----------------------------------------------------------------------
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AC_HEADER_STDBOOL
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AC_C_CONST
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AC_TYPE_PID_T
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AC_TYPE_UID_T
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# Checks for library functions and compiler features.
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# ----------------------------------------------------------------------
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AC_FUNC_CLOSEDIR_VOID
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AC_FUNC_STAT
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AC_CHECK_FUNCS([fstatat memmove readlinkat strdup strncasecmp strstr])
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AC_SEARCH_LIBS([dlopen], [dl dld])
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save_cflags="${CFLAGS}"
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CFLAGS="${CFLAGS} -std=c99"
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AC_MSG_CHECKING([whether cc -std=c99 option works])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[AC_INCLUDES_DEFAULT], [[char *a; a = strdup("foo"); int i = 0; i++; // C99]])],
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[AC_MSG_RESULT([yes])],
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[AC_MSG_ERROR([htop is written in C99. A newer compiler is required.])])
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CFLAGS="$save_cflags"
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# Add -lexecinfo if needed
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AC_SEARCH_LIBS([backtrace], [execinfo])
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# Add -ldevstat if needed
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AC_SEARCH_LIBS([devstat_checkversion], [devstat])
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# Checks for features and flags.
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# ----------------------------------------------------------------------
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PROCDIR=/proc
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AC_ARG_WITH(proc, [AS_HELP_STRING([--with-proc=DIR], [Location of a Linux-compatible proc filesystem (default=/proc).])],
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if test -n "$withval"; then
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AC_DEFINE_UNQUOTED(PROCDIR, "$withval", [Path of proc filesystem])
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PROCDIR="$withval"
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fi,
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AC_DEFINE(PROCDIR, "/proc", [Path of proc filesystem]))
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AC_ARG_ENABLE(openvz, [AS_HELP_STRING([--enable-openvz], [enable OpenVZ support])], ,enable_openvz="no")
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if test "x$enable_openvz" = xyes; then
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AC_DEFINE(HAVE_OPENVZ, 1, [Define if openvz support enabled.])
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fi
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AC_ARG_ENABLE(cgroup, [AS_HELP_STRING([--enable-cgroup], [enable cgroups support])], ,enable_cgroup="no")
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if test "x$enable_cgroup" = xyes; then
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AC_DEFINE(HAVE_CGROUP, 1, [Define if cgroup support enabled.])
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fi
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AC_ARG_ENABLE(vserver, [AS_HELP_STRING([--enable-vserver], [enable VServer support])], ,enable_vserver="no")
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if test "x$enable_vserver" = xyes; then
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AC_DEFINE(HAVE_VSERVER, 1, [Define if vserver support enabled.])
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fi
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AC_ARG_ENABLE(ancient_vserver, [AS_HELP_STRING([--enable-ancient-vserver], [enable ancient VServer support (implies --enable-vserver)])], ,enable_ancient_vserver="no")
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if test "x$enable_ancient_vserver" = xyes; then
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AC_DEFINE(HAVE_VSERVER, 1, [Define if vserver support enabled.])
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AC_DEFINE(HAVE_ANCIENT_VSERVER, 1, [Define if ancient vserver support enabled.])
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fi
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AC_ARG_ENABLE(taskstats, [AS_HELP_STRING([--enable-taskstats], [enable per-task IO Stats (taskstats kernel sup required)])], ,enable_taskstats="yes")
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if test "x$enable_taskstats" = xyes; then
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AC_DEFINE(HAVE_TASKSTATS, 1, [Define if taskstats support enabled.])
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fi
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# HTOP_CHECK_SCRIPT(LIBNAME, FUNCTION, DEFINE, CONFIG_SCRIPT, ELSE_PART)
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m4_define([HTOP_CHECK_SCRIPT],
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[
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if test ! -z "m4_toupper($HTOP_[$1]_CONFIG_SCRIPT)"; then
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# to be used to set the path to ncurses*-config when cross-compiling
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htop_config_script_libs=$(m4_toupper($HTOP_[$1]_CONFIG_SCRIPT) --libs 2> /dev/null)
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htop_config_script_cflags=$(m4_toupper($HTOP_[$1]_CONFIG_SCRIPT) --cflags 2> /dev/null)
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else
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htop_config_script_libs=$([$4] --libs 2> /dev/null)
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htop_config_script_cflags=$([$4] --cflags 2> /dev/null)
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fi
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htop_script_success=no
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htop_save_LDFLAGS="$LDFLAGS"
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htop_save_CFLAGS="$CFLAGS"
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if test ! "x$htop_config_script_libs" = x; then
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LDFLAGS="$htop_config_script_libs $LDFLAGS"
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CFLAGS="$htop_config_script_cflags $CFLAGS"
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AC_CHECK_LIB([$1], [$2], [
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AC_DEFINE([$3], 1, [The library is present.])
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LIBS="$htop_config_script_libs $LIBS "
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htop_script_success=yes
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], [
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CFLAGS="$htop_save_CFLAGS"
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])
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LDFLAGS="$htop_save_LDFLAGS"
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fi
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if test "x$htop_script_success" = xno; then
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[$5]
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fi
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])
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# HTOP_CHECK_LIB(LIBNAME, FUNCTION, DEFINE, ELSE_PART)
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m4_define([HTOP_CHECK_LIB],
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[
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AC_CHECK_LIB([$1], [$2], [
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AC_DEFINE([$3], 1, [The library is present.])
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LIBS="-l[$1] $LIBS "
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], [$4])
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])
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dnl https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
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AC_DEFUN([AX_CHECK_COMPILE_FLAG],
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[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
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AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
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AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
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ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
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_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
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AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
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[AS_VAR_SET(CACHEVAR,[yes])],
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[AS_VAR_SET(CACHEVAR,[no])])
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_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
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AS_VAR_IF(CACHEVAR,yes,
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[m4_default([$2], :)],
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[m4_default([$3], :)])
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AS_VAR_POPDEF([CACHEVAR])dnl
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])dnl AX_CHECK_COMPILE_FLAGS
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AC_ARG_ENABLE(unicode, [AS_HELP_STRING([--enable-unicode], [enable Unicode support])], ,enable_unicode="yes")
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if test "x$enable_unicode" = xyes; then
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HTOP_CHECK_SCRIPT([ncursesw6], [addnwstr], [HAVE_LIBNCURSESW], "ncursesw6-config",
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HTOP_CHECK_SCRIPT([ncursesw], [addnwstr], [HAVE_LIBNCURSESW], "ncursesw6-config",
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HTOP_CHECK_SCRIPT([ncursesw], [addnwstr], [HAVE_LIBNCURSESW], "ncursesw5-config",
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HTOP_CHECK_SCRIPT([ncurses], [addnwstr], [HAVE_LIBNCURSESW], "ncurses5-config",
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HTOP_CHECK_LIB([ncursesw6], [addnwstr], [HAVE_LIBNCURSESW],
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HTOP_CHECK_LIB([ncursesw], [addnwstr], [HAVE_LIBNCURSESW],
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HTOP_CHECK_LIB([ncurses], [addnwstr], [HAVE_LIBNCURSESW],
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missing_libraries="$missing_libraries libncursesw"
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AC_MSG_ERROR([You may want to use --disable-unicode or install libncursesw.])
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)))))))
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AC_CHECK_HEADERS([ncursesw/curses.h],[:],
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[AC_CHECK_HEADERS([ncurses/ncurses.h],[:],
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[AC_CHECK_HEADERS([ncurses/curses.h],[:],
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[AC_CHECK_HEADERS([ncurses.h],[:],[missing_headers="$missing_headers $ac_header"])])])])
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else
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HTOP_CHECK_SCRIPT([ncurses6], [refresh], [HAVE_LIBNCURSES], "ncurses6-config",
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HTOP_CHECK_SCRIPT([ncurses], [refresh], [HAVE_LIBNCURSES], "ncurses5-config",
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HTOP_CHECK_LIB([ncurses6], [refresh], [HAVE_LIBNCURSES],
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HTOP_CHECK_LIB([ncurses], [refresh], [HAVE_LIBNCURSES],
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missing_libraries="$missing_libraries libncurses"
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))))
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AC_CHECK_HEADERS([curses.h],[:],
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[AC_CHECK_HEADERS([ncurses/curses.h],[:],
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[AC_CHECK_HEADERS([ncurses/ncurses.h],[:],
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[AC_CHECK_HEADERS([ncurses.h],[:],[missing_headers="$missing_headers $ac_header"])])])])
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fi
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if test "$my_htop_platform" = "freebsd"; then
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AC_CHECK_LIB([kvm], [kvm_open], [], [missing_libraries="$missing_libraries libkvm"])
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fi
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if test "$my_htop_platform" = "openbsd"; then
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AC_CHECK_LIB([kvm], [kvm_open], [], [missing_libraries="$missing_libraries libkvm"])
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fi
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if test "$my_htop_platform" = "solaris"; then
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AC_CHECK_LIB([kstat], [kstat_open], [], [missing_libraries="$missing_libraries libkstat"])
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AC_CHECK_LIB([proc], [Pgrab_error], [], [missing_libraries="$missing_libraries libproc"])
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AC_CHECK_LIB([malloc], [free], [], [missing_libraries="$missing_libraries libmalloc"])
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fi
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AC_ARG_ENABLE(hwloc, [AS_HELP_STRING([--enable-hwloc], [enable hwloc support for CPU affinity, disables Linux affinity])],, enable_hwloc="no")
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if test "x$enable_hwloc" = xyes
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then
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AC_CHECK_LIB([hwloc], [hwloc_get_proc_cpubind], [], [missing_libraries="$missing_libraries libhwloc"])
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AC_CHECK_HEADERS([hwloc.h],[:], [missing_headers="$missing_headers $ac_header"])
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fi
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AC_ARG_ENABLE(linux_affinity, [AS_HELP_STRING([--enable-linux-affinity], [enable Linux sched_setaffinity and sched_getaffinity for affinity support, conflicts with hwloc])], ,enable_linux_affinity="check")
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if test "x$enable_linux_affinity" = xcheck; then
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if test "x$enable_hwloc" = xyes; then
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enable_linux_affinity=no
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else
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AC_MSG_CHECKING([for usable sched_setaffinity])
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AC_RUN_IFELSE([
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AC_LANG_PROGRAM([[
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#include <sched.h>
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#include <errno.h>
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static cpu_set_t cpuset;
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]], [[
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CPU_ZERO(&cpuset);
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sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
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if (errno == ENOSYS) return 1;
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]])],
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[enable_linux_affinity=yes
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AC_MSG_RESULT([yes])],
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[enable_linux_affinity=no
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AC_MSG_RESULT([no])],
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[AC_MSG_RESULT([yes (assumed while cross compiling)])])
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fi
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fi
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if test "x$enable_linux_affinity" = xyes; then
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AC_DEFINE(HAVE_LINUX_AFFINITY, 1, [Define if Linux sched_setaffinity and sched_getaffinity are to be used.])
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fi
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if test "x$enable_linux_affinity" = xyes -a "x$enable_hwloc" = xyes
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then
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AC_MSG_ERROR([--enable-hwloc and --enable-linux-affinity are mutual exclusive. Specify at most one of them.])
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fi
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AC_ARG_ENABLE(setuid, [AS_HELP_STRING([--enable-setuid], [enable setuid support for platforms that need it])],, enable_setuid="no")
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if test "x$enable_setuid" = xyes
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then
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AC_DEFINE(HAVE_SETUID_ENABLED, 1, [Define if setuid support should be enabled.])
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fi
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AC_ARG_ENABLE(delayacct, [AS_HELP_STRING([--enable-delayacct], [enable Linux delay accounting])],, enable_delayacct="no")
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if test "x$enable_delayacct" = xyes
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then
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m4_ifdef([PKG_PROG_PKG_CONFIG], [
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PKG_PROG_PKG_CONFIG()
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PKG_CHECK_MODULES(LIBNL3, libnl-3.0, [], [missing_libraries="$missing_libraries libnl-3"])
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PKG_CHECK_MODULES(LIBNL3GENL, libnl-genl-3.0, [], [missing_libraries="$missing_libraries libnl-genl-3"])
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CFLAGS="$CFLAGS $LIBNL3_CFLAGS $LIBNL3GENL_CFLAGS"
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LIBS="$LIBS $LIBNL3_LIBS $LIBNL3GENL_LIBS"
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AC_DEFINE(HAVE_DELAYACCT, 1, [Define if delay accounting support should be enabled.])
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], [
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pkg_m4_absent=1
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m4_warning([configure is generated without pkg.m4. 'make dist' target will be disabled.])
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AC_MSG_ERROR([htop on Linux requires pkg-config for checking delayacct requirements. Please install pkg-config and run ./autogen.sh to rebuild the configure script.])
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])
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fi
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AM_CFLAGS="\
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-Wall\
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-Wcast-align\
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-Wcast-qual\
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-Wextra\
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-Wfloat-equal\
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-Wmissing-format-attribute\
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-Wmissing-noreturn\
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-Wmissing-prototypes\
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-Wpointer-arith\
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-Wshadow\
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-Wstrict-prototypes\
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-Wundef\
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-Wunused\
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-Wwrite-strings"
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AX_CHECK_COMPILE_FLAG([-Wnull-dereference], [AM_CFLAGS="$AM_CFLAGS -Wnull-dereference"], , [-Werror])
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AC_ARG_ENABLE([werror], [AS_HELP_STRING([--enable-werror], [Treat warnings as errors (default: warnings are not errors)])], [enable_werror="$enableval"], [enable_werror=no])
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AS_IF([test "x$enable_werror" = "xyes"], [AM_CFLAGS="$AM_CFLAGS -Werror"])
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AC_SUBST([AM_CFLAGS])
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AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug], [Enable asserts (default: asserts are disabled)])], [enable_debug="$enableval"], [enable_debug=no])
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AS_IF([test "x$enable_debug" = "xyes"], , [AM_CPPFLAGS="$AM_CPPFLAGS -DNDEBUG"])
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AC_SUBST([AM_CPPFLAGS])
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# Bail out on errors.
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# ----------------------------------------------------------------------
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if test ! -z "$missing_libraries"; then
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AC_MSG_ERROR([missing libraries: $missing_libraries])
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fi
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if test ! -z "$missing_headers"; then
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AC_MSG_ERROR([missing headers: $missing_headers])
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fi
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AC_DEFINE_UNQUOTED(COPYRIGHT, "(C) 2004-2019 Hisham Muhammad. (C) 2020 htop dev team.", [Copyright message.])
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# We're done, let's go!
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# ----------------------------------------------------------------------
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AM_CONDITIONAL([HTOP_LINUX], [test "$my_htop_platform" = linux])
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AM_CONDITIONAL([HTOP_FREEBSD], [test "$my_htop_platform" = freebsd])
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AM_CONDITIONAL([HTOP_DRAGONFLYBSD], [test "$my_htop_platform" = dragonflybsd])
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AM_CONDITIONAL([HTOP_OPENBSD], [test "$my_htop_platform" = openbsd])
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AM_CONDITIONAL([HTOP_DARWIN], [test "$my_htop_platform" = darwin])
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AM_CONDITIONAL([HTOP_SOLARIS], [test "$my_htop_platform" = solaris])
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AM_CONDITIONAL([HTOP_UNSUPPORTED], [test "$my_htop_platform" = unsupported])
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AC_SUBST(my_htop_platform)
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AC_CONFIG_FILES([Makefile htop.1])
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AC_OUTPUT
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if test "$my_htop_platform" = "unsupported"
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then
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echo ""
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echo "****************************************************************"
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echo "WARNING! This platform is not currently supported by htop."
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echo ""
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echo "The code will build, but it will produce a dummy version of htop"
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echo "which shows no processes, using the files from the unsupported/"
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echo "directory. This is meant to be a skeleton, to be used as a"
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echo "starting point if you are porting htop to a new platform."
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echo "****************************************************************"
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echo ""
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fi
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AC_MSG_RESULT([
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${PACKAGE_NAME} ${VERSION}
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platform: $my_htop_platform
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(Linux) proc directory: $PROCDIR
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(Linux) openvz: $enable_openvz
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(Linux) cgroup: $enable_cgroup
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(Linux) vserver: $enable_vserver
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(Linux) ancient vserver: $enable_ancient_vserver
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(Linux) taskstats: $enable_taskstats
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(Linux) affinity: $enable_linux_affinity
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(Linux) delay accounting: $enable_delayacct
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unicode: $enable_unicode
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hwloc: $enable_hwloc
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setuid: $enable_setuid
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debug: $enable_debug
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])
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