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2c88d03e7b
procps/configure.ac
Jim Warner fe6e03d8a9 top: show fewer decimal places for memory (by default) 
After much reflection I've come to the conclusion that
displaying 3 decimal places (usually) when memory data
had been scaled is no longer optimal with today's ever
increasing amounts. And given that not all task memory
fields are the same widths, inconsistencies can easily
arise as illustrated and discussed in the issue below.

Instead of unilaterally reducing the number of decimal
places, this commit will sneak in such a change via an
existing configure option that was very likely unused.

The former 'disable-wide-memory' option has now become
'enable-wide-memory', which can be used if the current
behavior (3 decimal places) is preferred. Without that
option, whenever memory is scaled beyond KiB, just one
decimal place will be shown in Summary and Task areas.

And Task area field width will no longer be changed by
this revised configure option. Instead, all such field
widths will now be fixed at the former maximum values.

Reference(s):
https://gitlab.com/procps-ng/procps/issues/50

Signed-off-by: Jim Warner <james.warner@comcast.net>
2017-03-16 21:59:53 +11:00

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.69])
AC_CONFIG_MACRO_DIR([m4])
AC_INIT([procps-ng],
m4_esyscmd([misc/git-version-gen .tarball-version]),
[procps@freelists.org],,[https://gitlab.com/procps-ng/procps])
AM_INIT_AUTOMAKE([foreign 1.11 subdir-objects -Wall -Wno-portability tar-pax no-dist-gzip dist-xz])
AM_SILENT_RULES([yes])
AC_CONFIG_SRCDIR([free.c])
AC_CONFIG_HEADERS([config.h])
# Checks for programs.
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CC_STDC
if test "$cross_compiling" = no; then
if test "x$ac_cv_prog_cc_c99" = "xno" || test "x$ac_cv_prog_cc_c99" = "x"; then
# We might be on RHEL5 with a git checkout and so broken
# autoconf. Check if CC is gcc and if it bails when given -std=gnu99.
# If not, use that. Yuck.
if test "x$ac_cv_c_compiler_gnu" = "xyes"; then
CC="$CC -std=gnu99"
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([],[[
return 0;
]])],
[],
[AC_MSG_ERROR([Could not find a C99 compatible compiler])])
else
AC_MSG_ERROR([Could not find a C99 compatible compiler])
fi
fi
fi
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
PKG_PROG_PKG_CONFIG
AC_PROG_MAKE_SET
# Checks for header files.
AC_HEADER_MAJOR
AC_CHECK_HEADERS([arpa/inet.h fcntl.h float.h langinfo.h libintl.h limits.h locale.h netinet/in.h stdint.h stdio_ext.h stdlib.h string.h sys/file.h sys/ioctl.h sys/param.h sys/time.h termios.h unistd.h utmp.h values.h wchar.h wctype.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
AC_TYPE_UID_T
AC_C_INLINE
AC_TYPE_INT32_T
AC_TYPE_PID_T
AC_C_RESTRICT
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_CHECK_MEMBERS([struct stat.st_rdev])
dnl libtool
LT_INIT
# Checks for library functions.
AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_MBRTOWC
AC_FUNC_MMAP
AC_FUNC_REALLOC
AC_FUNC_STRTOD
AM_GNU_GETTEXT_VERSION([0.14.1])
AM_GNU_GETTEXT([external])
if test -d "$srcdir/po"
then
ALL_LINGUAS=`cd $srcdir/po > /dev/null && echo *.po | sed 's/\.po//g'`
else
ALL_LINGUAS="af am ar as be bg bn_IN bn ca cs cy da de el en_GB es et eu_ES fa fi fr gl gu he hi hr hu hy id is it ja ka kn ko ku lo lt lv mk ml mr ms my nb nl nn no nso or pa pl pt_BR pt ro ru si sk sl sq sr@Latn sr sv ta te th tr uk ur vi zh_CN zh_TW zu"
fi
AC_CHECK_HEADERS(error.h, [], [], AC_INCLUDES_DEFAULT)
AC_CHECK_HEADERS(stdio_ext.h, [], [], AC_INCLUDES_DEFAULT)
AC_MSG_CHECKING(whether program_invocation_name is defined)
AC_TRY_COMPILE([#include <errno.h>],
[program_invocation_name = "test";],
AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME, 1,
[Define if program_invocation_name is defined])
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
AC_MSG_CHECKING(whether program_invocation_short_name is defined)
AC_TRY_COMPILE([#include <errno.h>],
[program_invocation_short_name = "test";],
AC_DEFINE(HAVE_PROGRAM_INVOCATION_SHORT_NAME, 1,
[Define if program_invocation_short_name is defined])
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
dnl watch8bit must be before the AC_ARG_WITH set as it sets up ncurses
AC_SUBST([WITH_WATCH8BIT])
AC_ARG_ENABLE([watch8bit],
AS_HELP_STRING([--enable-watch8bit], [enable watch to be 8bit clean (requires ncursesw)]),
[], [enable_watch8bit=no]
)
if test "$enable_watch8bit" = "yes"; then
AC_DEFINE([WITH_WATCH8BIT], [1], [Enable 8 bit clean watch])
fi
AC_ARG_ENABLE([libselinux],
AS_HELP_STRING([--enable-libselinux], [enable libselinux]),
[], [enable_libselinux=no]
)
if test "$enable_libselinux" = "yes"; then
AC_DEFINE([ENABLE_LIBSELINUX], [1], [Enable libselinux])
fi
# Optional packages - AC_ARG_WITH
AC_ARG_WITH([ncurses],
AS_HELP_STRING([--without-ncurses], [build only applications not needing ncurses]),
[], [with_ncurses=yes]
)
if test "x$with_ncurses" = xno; then
AM_CONDITIONAL(WITH_NCURSES, false)
else
PKG_CHECK_MODULES([NCURSES], [ncurses], [], [
AC_CHECK_LIB(ncurses, initscr, [have_ncurses=yes], [have_ncurses=no])
AC_CHECK_HEADERS(curses.h ncurses.h term.h, [], [have_ncurses=no], AC_INCLUDES_DEFAULT)
if test "x$have_ncurses" = xno; then
AC_MSG_ERROR([ncurses support missing/incomplete (for partial build use --without-ncurses)])
fi
NCURSES_LIBS="-lncurses"
])
AM_CONDITIONAL(WITH_NCURSES, true)
if test "$enable_watch8bit" = yes; then
PKG_CHECK_MODULES([NCURSESW], [ncursesw], [WATCH_NCURSES_LIBS="$NCURSESW_LIBS"]
[WATCH_NCURSES_CFLAGS="$NCURSESW_CFLAGS"], [
AC_CHECK_LIB([ncursesw], [addwstr], [WATCH_NCURSES_LIBS=-lncursesw],
[AC_MSG_ERROR([Cannot find ncurses wide library ncursesw with --enable-watch8bit])])
])
else
WATCH_NCURSES_LIBS="$NCURSES_LIBS"
fi
fi
AC_SUBST([NCURSES_LIBS])
AC_SUBST([WATCH_NCURSES_LIBS])
AC_SUBST([WATCH_NCURSES_CFLAGS])
AC_ARG_WITH([systemd],
[AS_HELP_STRING([--with-systemd], [enable systemd support])],
[], [with_systemd=no]
)
AS_IF([test "x$with_systemd" != "xno"], [
PKG_CHECK_MODULES([SYSTEMD], [libsystemd])
AC_DEFINE(WITH_SYSTEMD, 1, [enable systemd support])
])
AM_CONDITIONAL([WITH_SYSTEMD], [test x$with_systemd != xno])
# AC_ARG_ENABLEs
AC_ARG_ENABLE([pidof],
AS_HELP_STRING([--disable-pidof], [do not build pidof]),
[], [enable_pidof=yes]
)
AM_CONDITIONAL(BUILD_PIDOF, test "x$enable_pidof" = xyes)
AC_ARG_ENABLE([kill],
AS_HELP_STRING([--disable-kill], [do not build kill]),
[], [enable_kill=yes]
)
AM_CONDITIONAL(BUILD_KILL, test "x$enable_kill" = xyes)
AM_CONDITIONAL(LINUX, test "x$host_os" = xlinux-gnu)
AM_CONDITIONAL(CYGWIN, test "x$host_os" = xcygwin)
AC_ARG_ENABLE([skill],
AS_HELP_STRING([--enable-skill], [build skill and snice]),
[], [enable_skill=no]
)
AM_CONDITIONAL(BUILD_SKILL, test "x$enable_skill" = xyes)
AC_ARG_ENABLE([examples],
AS_HELP_STRING([--enable-examples], [add example files to installation]),
[], [enable_examples=no]
)
AM_CONDITIONAL(EXAMPLE_FILES, test "x$enable_examples" = xyes)
AC_ARG_ENABLE([sigwinch],
AS_HELP_STRING([--enable-sigwinch], [reduce impact of x-windows resize operations on top]),
[], [enable_sigwinch=no]
)
if test "x$enable_sigwinch" = xyes; then
AC_DEFINE(SIGNALS_LESS, 1, [reduce impact of x-windows resize operations on top])
fi
AC_ARG_ENABLE([wide-percent],
AS_HELP_STRING([--enable-wide-percent], [provide extra precision under %CPU and %MEM for top]),
[], [enable_wide_percent=no]
)
if test "x$enable_wide_percent" = xyes; then
AC_DEFINE(BOOST_PERCNT, 1, [provide extra precision under %CPU and %MEM for top])
fi
AC_ARG_ENABLE([wide-memory],
AS_HELP_STRING([--enable-wide-memory], [provide extra precision under memory fields for top]),
[], [enable_wide_memory=no]
)
if test "x$enable_wide_memory" = xyes; then
AC_DEFINE(BOOST_MEMORY, 1, [provide extra precision under memory fields for top])
fi
AC_ARG_ENABLE([modern-top],
AS_HELP_STRING([--disable-modern-top], [disable new startup defaults, return to original top]),
[], [enable_modern_top=yes]
)
if test "x$enable_modern_top" = xno; then
AC_DEFINE(ORIG_TOPDEFS, 1, [disable new startup defaults, return to original top])
fi
DL_LIB=
AC_ARG_ENABLE([numa],
AS_HELP_STRING([--disable-numa], [disable NUMA/Node support in top]),
[], [enable_numa=yes]
)
if test "x$enable_numa" = xno; then
AC_DEFINE([NUMA_DISABLE], [1], [disable NUMA/Node support in top])
else
AC_SEARCH_LIBS([dlopen], [dl], [],
[AC_MSG_ERROR([dynamic linking unavailable, circumvent with --disable-numa])])
if test "x$ac_cv_search_dlopen" != "xnone required"; then
DL_LIB="$ac_cv_search_dlopen"
fi
fi
AC_SUBST([DL_LIB])
AC_ARG_ENABLE([w-from],
AS_HELP_STRING([--enable-w-from], [enable w from field by default]),
[], [enable_w_from=no]
)
if test "x$enable_w_from" = xyes; then
AC_DEFINE(W_SHOWFROM, 1, [enable w from field by default])
fi
AC_ARG_ENABLE([whining],
AS_HELP_STRING([--disable-whining], [do not print unnecessary warnings (slackware-ism)]),
[], [enable_whining=yes]
)
if test "x$enable_whining" = xyes; then
AC_DEFINE(BUILD_WITH_WHINE, 1, [should extra warnings be printed (slackware-ism)])
fi
if test x"$DEJAGNU" = x
then
DEJAGNU="/dev/null"
fi
AC_SUBST(DEJAGNU)
AC_CHECK_FUNCS([__fpending alarm atexit dup2 gethostname getpagesize gettimeofday iswprint memchr memmove memset nl_langinfo putenv regcomp rpmatch select setlocale strcasecmp strchr strcspn strdup strerror strncasecmp strndup strpbrk strrchr strspn strstr strtol strtoul strtoull strverscmp utmpname wcwidth])
AC_CONFIG_FILES([Makefile
include/Makefile
man-po/Makefile
po/Makefile.in
proc/libprocps.pc
testsuite/Makefile])
AC_OUTPUT
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