htop/configure.ac
Hisham Muhammad 2f45008477 Enable OOM support unconditionally on Linux.
Read OOM data only if column is enabled.
Make sort ordering more consistent. Closes #182.
2015-04-09 15:41:21 -03:00

210 lines
7.7 KiB
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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.65)
AC_INIT([htop],[1.0.3],[hisham@gobolinux.org])
year=$(date +%Y)
# The following two lines are required by hwloc scripts
AC_USE_SYSTEM_EXTENSIONS
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([1.11])
AC_CONFIG_SRCDIR([htop.c])
AC_CONFIG_HEADER([config.h])
AC_CONFIG_MACRO_DIR([m4])
# Checks for programs.
# ----------------------------------------------------------------------
AC_PROG_CC
AM_PROG_CC_C_O
AC_DISABLE_SHARED
AC_ENABLE_STATIC
AC_PROG_LIBTOOL
# Checks for platform.
# ----------------------------------------------------------------------
case "$target" in
*linux*)
my_htop_platform=linux
;;
*freebsd*)
my_htop_platform=freebsd
;;
*)
my_htop_platform=unsupported
;;
esac
# Checks for libraries.
# ----------------------------------------------------------------------
AC_CHECK_LIB([m], [ceil], [], [missing_libraries="$missing_libraries libm"])
# Checks for header files.
# ----------------------------------------------------------------------
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h strings.h sys/param.h sys/time.h unistd.h],[:],[
missing_headers="$missing_headers $ac_header"
])
AC_CHECK_HEADERS([execinfo.h],[:],[:])
# Checks for typedefs, structures, and compiler characteristics.
# ----------------------------------------------------------------------
AC_HEADER_STDBOOL
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_UID_T
# Checks for library functions and compiler features.
# ----------------------------------------------------------------------
AC_FUNC_CLOSEDIR_VOID
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_CHECK_FUNCS([memmove strncasecmp strstr strdup])
save_cflags="${CFLAGS}"
CFLAGS="${CFLAGS} -std=c99"
AC_MSG_CHECKING([whether gcc -std=c99 option works])
AC_TRY_COMPILE(AC_INCLUDES_DEFAULT, [char *a; a = strdup("foo"); int i = 0; i++; // C99],
AC_MSG_RESULT([yes]),
AC_MSG_ERROR([htop is written in C99. A newer version of gcc is required.]))
CFLAGS="$save_cflags"
save_cflags="${CFLAGS}"
CFLAGS="$CFLAGS -Wextra"
AC_MSG_CHECKING([if compiler supports -Wextra])
AC_TRY_COMPILE([], [], [
wextra_flag=-Wextra
AC_MSG_RESULT([yes])
],[
wextra_flag=
AC_MSG_RESULT([no])
])
CFLAGS="$save_cflags"
AC_SUBST(wextra_flag)
# Checks for features and flags.
# ----------------------------------------------------------------------
PROCDIR=/proc
AC_ARG_ENABLE(proc, [AC_HELP_STRING([--enable-proc], [use Linux-compatible proc filesystem])], enable_proc="yes", enable_proc="no")
if test "x$enable_proc" = xyes; then
# An enabled proc assumes we're emulating Linux.
my_htop_platform=linux
AC_DEFINE(HAVE_PROC, 1, [Define if using a Linux-compatible proc filesystem.])
fi
AC_ARG_WITH(proc, [ --with-proc=DIR Location of a Linux-compatible proc filesystem (default=/proc).],
if test -n "$withval"; then
AC_DEFINE_UNQUOTED(PROCDIR, "$withval", [Path of proc filesystem])
PROCDIR="$withval"
fi,
AC_DEFINE(PROCDIR, "/proc", [Path of proc filesystem]))
if test "x$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 $PROCDIR/meminfo. Make sure you have a Linux-compatible /proc filesystem mounted. See the file README for help.))
fi
fi
AC_ARG_ENABLE(openvz, [AC_HELP_STRING([--enable-openvz], [enable OpenVZ support])], ,enable_openvz="no")
if test "x$enable_openvz" = xyes; then
AC_DEFINE(HAVE_OPENVZ, 1, [Define if openvz support enabled.])
fi
AC_ARG_ENABLE(cgroup, [AC_HELP_STRING([--enable-cgroup], [enable cgroups support])], ,enable_cgroup="no")
if test "x$enable_cgroup" = xyes; then
AC_DEFINE(HAVE_CGROUP, 1, [Define if cgroup support enabled.])
fi
AC_ARG_ENABLE(vserver, [AC_HELP_STRING([--enable-vserver], [enable VServer support])], ,enable_vserver="no")
if test "x$enable_vserver" = xyes; then
AC_DEFINE(HAVE_VSERVER, 1, [Define if vserver support enabled.])
fi
AC_ARG_ENABLE(ancient_vserver, [AC_HELP_STRING([--enable-ancient-vserver], [enable ancient VServer support (implies --enable-vserver)])], ,enable_ancient_vserver="no")
if test "x$enable_ancient_vserver" = xyes; then
AC_DEFINE(HAVE_VSERVER, 1, [Define if vserver support enabled.])
AC_DEFINE(HAVE_ANCIENT_VSERVER, 1, [Define if ancient vserver support enabled.])
fi
AC_ARG_ENABLE(taskstats, [AC_HELP_STRING([--enable-taskstats], [enable per-task IO Stats (taskstats kernel sup required)])], ,enable_taskstats="yes")
if test "x$enable_taskstats" = xyes; then
AC_DEFINE(HAVE_TASKSTATS, 1, [Define if taskstats support enabled.])
fi
AC_ARG_ENABLE(unicode, [AC_HELP_STRING([--enable-unicode], [enable Unicode support])], ,enable_unicode="yes")
if test "x$enable_unicode" = xyes; then
AC_CHECK_LIB([ncursesw], [refresh], [], [
missing_libraries="$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 $ac_header"])])])])
else
AC_CHECK_LIB([ncurses], [refresh], [], [missing_libraries="$missing_libraries libncurses"])
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 $ac_header"])])])])
fi
if test "$my_htop_platform" = "freebsd"; then
AC_CHECK_LIB([kvm], [kvm_open], [], [missing_libraries="$missing_libraries libkvm"])
fi
AC_ARG_ENABLE(native_affinity, [AC_HELP_STRING([--enable-native-affinity], [enable native sched_setaffinity and sched_getaffinity for affinity support, disables hwloc])], ,enable_native_affinity="yes")
if test "x$enable_native_affinity" = xyes -a "x$cross_compiling" = xno; then
AC_MSG_CHECKING([for usable sched_setaffinity])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <sched.h>
#include <errno.h>
static cpu_set_t cpuset;
]], [[
CPU_ZERO(&cpuset);
sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
if (errno == ENOSYS) return 1;
]])],
[AC_MSG_RESULT([yes])],
[enable_native_affinity=no
AC_MSG_RESULT([no])])
fi
if test "x$enable_native_affinity" = xyes; then
AC_DEFINE(HAVE_NATIVE_AFFINITY, 1, [Define if native sched_setaffinity and sched_getaffinity are to be used.])
fi
AC_ARG_ENABLE(hwloc, [AC_HELP_STRING([--enable-hwloc], [enable hwloc support for CPU affinity])],, enable_hwloc="no")
if test "x$enable_hwloc" = xyes
then
AC_CHECK_LIB([hwloc], [hwloc_linux_get_tid_cpubind], [], [missing_libraries="$missing_libraries libhwloc"])
AC_CHECK_HEADERS([hwloc.h],[:], [missing_headers="$missing_headers $ac_header"])
fi
# Bail out on errors.
# ----------------------------------------------------------------------
if test ! -z "$missing_libraries"; then
AC_MSG_ERROR([missing libraries: $missing_libraries])
fi
if test ! -z "$missing_headers"; then
AC_MSG_ERROR([missing headers: $missing_headers])
fi
AC_DEFINE_UNQUOTED(COPYRIGHT, "(C) 2004-$year Hisham Muhammad", [Copyright message.])
# We're done, let's go!
# ----------------------------------------------------------------------
AM_CONDITIONAL([HTOP_LINUX], [test "$my_htop_platform" = linux])
AM_CONDITIONAL([HTOP_FREEBSD], [test "$my_htop_platform" = freebsd])
AM_CONDITIONAL([HTOP_UNSUPPORTED], [test "$my_htop_platform" = unsupported])
AC_SUBST(my_htop_platform)
AC_CONFIG_FILES([Makefile htop.1])
AC_OUTPUT