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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
# ----------------------------------------------------------------------
# Autoconf initialization.
# ----------------------------------------------------------------------
AC_PREREQ([2.69])
AC_INIT([htop], [3.1.1-dev], [htop@groups.io], [], [https://htop.dev/])
AC_CONFIG_SRCDIR([htop.c])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_HEADERS([config.h])
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([-Wall std-options subdir-objects])
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for platform.
# ----------------------------------------------------------------------
case "$target_os" in
linux*|gnu*)
my_htop_platform=linux
AC_DEFINE([HTOP_LINUX], [], [Building for Linux.])
;;
freebsd*|kfreebsd*)
my_htop_platform=freebsd
AC_DEFINE([HTOP_FREEBSD], [], [Building for FreeBSD.])
;;
netbsd*)
my_htop_platform=netbsd
AC_DEFINE([HTOP_NETBSD], [], [Building for NetBSD.])
;;
openbsd*)
my_htop_platform=openbsd
AC_DEFINE([HTOP_OPENBSD], [], [Building for OpenBSD.])
;;
dragonfly*)
my_htop_platform=dragonflybsd
AC_DEFINE([HTOP_DRAGONFLYBSD], [], [Building for DragonFlyBSD.])
;;
darwin*)
my_htop_platform=darwin
AC_DEFINE([HTOP_DARWIN], [], [Building for Darwin.])
;;
solaris*)
my_htop_platform=solaris
AC_DEFINE([HTOP_SOLARIS], [], [Building for Solaris.])
;;
*)
my_htop_platform=unsupported
AC_DEFINE([HTOP_UNSUPPORTED], [], [Building for an unsupported platform.])
;;
esac
# Enable extensions, required by hwloc scripts
AC_USE_SYSTEM_EXTENSIONS
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for compiler.
# ----------------------------------------------------------------------
AC_PROG_CC
AM_PROG_CC_C_O
m4_version_prereq([2.70], [], [AC_PROG_CC_C99])
AS_IF([test "x$ac_cv_prog_cc_c99" = xno], [AC_MSG_ERROR([htop is written in C99. A newer compiler is required.])])
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for static build.
# ----------------------------------------------------------------------
AC_ARG_ENABLE([static],
[AS_HELP_STRING([--enable-static],
[build a static htop binary @<:@default=no@:>@])],
[],
[enable_static=no])
case "$enable_static" in
no)
;;
yes)
AC_DEFINE([BUILD_STATIC], [1], [Define if building static binary.])
CFLAGS="$CFLAGS -static"
LDFLAGS="$LDFLAGS -static"
;;
*)
AC_MSG_ERROR([bad value '$enable_static' for --enable-static option])
;;
esac
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for a PCP-based htop build. (https://pcp.io)
# ----------------------------------------------------------------------
AC_ARG_ENABLE([pcp],
[AS_HELP_STRING([--enable-pcp],
[build a pcp-htop binary @<:@default=no@:>@])],
[],
[enable_pcp=no])
case "$enable_pcp" in
no)
;;
yes)
AC_CHECK_HEADERS([pcp/pmapi.h], [my_htop_platform=pcp],
[AC_MSG_ERROR([can not find PCP header file])])
AC_SEARCH_LIBS([pmNewContext], [pcp], [], [AC_MSG_ERROR([can not find PCP library])])
AC_DEFINE([HTOP_PCP], [1], [Define if building pcp-htop binary.])
AC_CONFIG_FILES([pcp-htop.5])
;;
*)
AC_MSG_ERROR([bad value '$enable_pcp' for --enable-pcp option])
;;
esac
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for generic header files.
# ----------------------------------------------------------------------
AC_HEADER_DIRENT
m4_version_prereq([2.70], [AC_CHECK_INCLUDES_DEFAULT], [AC_HEADER_STDC])
AC_CHECK_HEADERS([ \
stdlib.h \
string.h \
strings.h \
sys/param.h \
sys/time.h \
sys/utsname.h \
unistd.h
], [], [AC_MSG_ERROR([can not find required generic header files])])
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$ac_cv_header_sys_mkdev_h" != xyes; then
AC_CHECK_HEADER([sys/sysmacros.h], [AC_DEFINE([MAJOR_IN_SYSMACROS], [1],
[Define to 1 if `major', `minor', and `makedev' are declared in <sys/sysmacros.h>.])])
fi])
# Optional Section
AC_CHECK_HEADERS([execinfo.h])
if test "$my_htop_platform" = darwin; then
AC_CHECK_HEADERS([mach/mach_time.h])
fi
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for typedefs, structures, and compiler characteristics.
# ----------------------------------------------------------------------
AC_TYPE_PID_T
AC_TYPE_UID_T
AC_TYPE_UINT8_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_MSG_CHECKING(for alloc_size)
old_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wno-error -Werror=attributes"
AC_COMPILE_IFELSE([
AC_LANG_SOURCE(
[
__attribute__((alloc_size(1))) char* my_alloc(int size) { return 0; }
],[]
)],
AC_DEFINE([HAVE_ATTR_ALLOC_SIZE], 1, [The alloc_size attribute is supported.])
AC_MSG_RESULT(yes),
AC_MSG_RESULT(no))
CFLAGS="$old_CFLAGS"
AC_MSG_CHECKING(for NaN support)
AC_RUN_IFELSE([
AC_LANG_PROGRAM(
[[
#include <math.h>
]],
[[
double x = NAN; return !isnan(x);
]]
)],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
AC_MSG_WARN([Compiler does not respect NaN, some functionality might break; consider using '-fno-finite-math-only'])
],
[AC_MSG_RESULT(skipped)])
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for generic library functions.
# ----------------------------------------------------------------------
AC_CHECK_LIB([m], [ceil], [], [AC_MSG_ERROR([can not find required function ceil()])])
if test "$my_htop_platform" = dragonflybsd; then
AC_SEARCH_LIBS([kvm_open], [kvm], [], [AC_MSG_ERROR([can not find required function kvm_open()])])
fi
if test "$my_htop_platform" = freebsd; then
if test "$enable_static" = yes; then
AC_SEARCH_LIBS([elf_version], [elf], [], [AC_MSG_ERROR([can not find required function elf_version()])])
fi
AC_SEARCH_LIBS([kvm_open], [kvm], [], [AC_MSG_ERROR([can not find required function kvm_open()])])
AC_SEARCH_LIBS([devstat_checkversion], [devstat], [], [AC_MSG_ERROR([can not find required function devstat_checkversion()])])
fi
if test "$my_htop_platform" = linux; then
if test "$enable_static" != yes; then
AC_SEARCH_LIBS([dlopen], [dl dld], [], [AC_MSG_ERROR([can not find required function dlopen()])])
fi
fi
if test "$my_htop_platform" = netbsd; then
AC_SEARCH_LIBS([kvm_open], [kvm], [], [AC_MSG_ERROR([can not find required function kvm_open()])])
AC_SEARCH_LIBS([prop_dictionary_get], [prop], [], [AC_MSG_ERROR([can not find required function prop_dictionary_get()])])
fi
if test "$my_htop_platform" = openbsd; then
AC_SEARCH_LIBS([kvm_open], [kvm], [], [AC_MSG_ERROR([can not find required function kvm_open()])])
fi
if test "$my_htop_platform" = solaris; then
AC_SEARCH_LIBS([kstat_open], [kstat], [], [AC_MSG_ERROR([can not find required function kstat_open()])])
AC_SEARCH_LIBS([Pgrab_error], [proc], [], [AC_MSG_ERROR([can not find required function Pgrab_error()])])
AC_SEARCH_LIBS([free], [malloc], [], [AC_MSG_ERROR([can not find required function free()])])
fi
# Optional Section
AC_SEARCH_LIBS([clock_gettime], [rt])
AC_CHECK_FUNCS([ \
clock_gettime \
dladdr \
faccessat \
fstatat \
host_get_clock_service \
memfd_create\
openat \
readlinkat \
])
if test "$my_htop_platform" = darwin; then
AC_CHECK_FUNCS([mach_timebase_info])
fi
if test "$my_htop_platform" = linux && test "x$enable_static" = xyes; then
AC_CHECK_LIB([systemd], [sd_bus_open_system])
fi
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for cross-platform features and flags.
# ----------------------------------------------------------------------
# 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_[$1]_CONFIG_SCRIPT) --cflags 2> /dev/null)
else
htop_config_script_libs=$([$4] --libs 2> /dev/null)
htop_config_script_cflags=$([$4] --cflags 2> /dev/null)
fi
htop_script_success=no
htop_save_CFLAGS="$CFLAGS"
if test ! "x$htop_config_script_libs" = x; then
CFLAGS="$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"
], [
$htop_config_script_libs
])
fi
if test "x$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 "
], [$4])
])
AC_ARG_ENABLE([unicode],
[AS_HELP_STRING([--enable-unicode],
[enable Unicode support @<:@default=yes@:>@])],
[],
[enable_unicode=yes])
if test "x$enable_unicode" = xyes; then
HTOP_CHECK_SCRIPT([ncursesw6], [waddwstr], [HAVE_LIBNCURSESW], "ncursesw6-config",
HTOP_CHECK_SCRIPT([ncursesw], [waddwstr], [HAVE_LIBNCURSESW], "ncursesw6-config",
HTOP_CHECK_SCRIPT([ncursesw], [wadd_wch], [HAVE_LIBNCURSESW], "ncursesw5-config",
HTOP_CHECK_SCRIPT([ncurses], [wadd_wch], [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],
AC_MSG_ERROR([can not find required library libncursesw; you may want to use --disable-unicode])
)))))))
AC_CHECK_HEADERS([ncursesw/curses.h], [],
[AC_CHECK_HEADERS([ncurses/ncurses.h], [],
[AC_CHECK_HEADERS([ncurses/curses.h], [],
[AC_CHECK_HEADERS([ncurses.h], [],
[AC_MSG_ERROR([can not find required ncurses header file])])])])])
# check if additional linker flags are needed for keypad(3)
# (at this point we already link against a working ncurses library with wide character support)
AC_SEARCH_LIBS([keypad], [tinfow tinfo])
else
HTOP_CHECK_SCRIPT([ncurses6], [wnoutrefresh], [HAVE_LIBNCURSES], [ncurses6-config],
HTOP_CHECK_SCRIPT([ncurses], [wnoutrefresh], [HAVE_LIBNCURSES], [ncurses5-config],
HTOP_CHECK_LIB([ncurses6], [doupdate], [HAVE_LIBNCURSES],
HTOP_CHECK_LIB([ncurses], [doupdate], [HAVE_LIBNCURSES],
HTOP_CHECK_LIB([curses], [doupdate], [HAVE_LIBNCURSES],
AC_MSG_ERROR([can not find required curses/ncurses library])
)))))
AC_CHECK_HEADERS([curses.h], [],
[AC_CHECK_HEADERS([ncurses/curses.h], [],
[AC_CHECK_HEADERS([ncurses/ncurses.h], [],
[AC_CHECK_HEADERS([ncurses.h] ,[],
[AC_MSG_ERROR([can not find required ncurses header file])])])])])
# check if additional linker flags are needed for keypad(3)
# (at this point we already link against a working ncurses library)
AC_SEARCH_LIBS([keypad], [tinfo])
fi
if test "$enable_static" = yes; then
AC_SEARCH_LIBS([Gpm_GetEvent], [gpm])
fi
if test "$my_htop_platform" = "solaris"; then
# On OmniOS /usr/include/sys/regset.h redefines ERR to 13 - \r, breaking the Enter key.
# Since ncurses macros use the ERR macro, we can not use another name.
AC_DEFINE([ERR], [(-1)], [Predefine ncurses macro.])
fi
AC_CHECK_FUNCS( [set_escdelay] )
AC_CHECK_FUNCS( [getmouse] )
AC_ARG_ENABLE([affinity],
[AS_HELP_STRING([--enable-affinity],
[enable sched_setaffinity and sched_getaffinity for affinity support, conflicts with hwloc @<:@default=check@:>@])],
[],
[enable_affinity=check])
if test "x$enable_affinity" = xcheck; then
if test "x$enable_hwloc" = xyes; then
enable_affinity=no
else
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;
]])],
[enable_affinity=yes
AC_MSG_RESULT([yes])],
[enable_affinity=no
AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes (assumed while cross compiling)])])
fi
fi
if test "x$enable_affinity" = xyes; then
if test "x$enable_hwloc" = xyes; then
AC_MSG_ERROR([--enable-hwloc and --enable-affinity are mutual exclusive. Specify at most one of them.])
fi
AC_DEFINE([HAVE_AFFINITY], [1], [Define if sched_setaffinity and sched_getaffinity are to be used.])
fi
AC_ARG_ENABLE([unwind],
[AS_HELP_STRING([--enable-unwind],
[enable unwind support for printing backtraces; requires libunwind @<:@default=check@:>@])],
[],
[enable_unwind=check])
case "$enable_unwind" in
check)
enable_unwind=yes
if test "$enable_static" = yes; then
AC_CHECK_LIB([lzma], [lzma_index_buffer_decode])
fi
AC_CHECK_LIB([unwind], [backtrace], [], [enable_unwind=no])
AC_CHECK_HEADERS([libunwind.h], [], [enable_unwind=no])
;;
no)
;;
yes)
AC_CHECK_LIB([unwind], [backtrace], [], [AC_MSG_ERROR([can not find required library libunwind])])
AC_CHECK_HEADERS([libunwind.h], [], [AC_MSG_ERROR([can not find require header file libunwind.h])])
;;
*)
AC_MSG_ERROR([bad value '$enable_unwind' for --enable-unwind])
;;
esac
if test "x$enable_unwind" = xno; then
# Fall back to backtrace(3) and add -lexecinfo if needed
AC_SEARCH_LIBS([backtrace], [execinfo])
fi
AC_ARG_ENABLE([hwloc],
[AS_HELP_STRING([--enable-hwloc],
[enable hwloc support for CPU affinity; disables affinity support; requires libhwloc @<:@default=no@:>@])],
[],
[enable_hwloc=no])
case "$enable_hwloc" in
no)
;;
yes)
AC_CHECK_LIB([hwloc], [hwloc_get_proc_cpubind], [], [AC_MSG_ERROR([can not find required library libhwloc])])
AC_CHECK_HEADERS([hwloc.h], [], [AC_MSG_ERROR([can not find require header file hwloc.h])])
;;
*)
AC_MSG_ERROR([bad value '$enable_hwloc' for --enable-hwloc])
;;
esac
AC_ARG_WITH([os-release],
[AS_HELP_STRING([--with-os-release=FILE],
[location of an os-release file @<:@default=/etc/os-release@:>@])],
[],
[with_os_release=/etc/os-release])
if test -n "$with_os_release" && test ! -f "$with_os_release"; then
if test -f "/usr/lib/os-release"; then
with_os_release="/usr/lib/os-release"
fi
fi
AC_DEFINE_UNQUOTED([OSRELEASEFILE], ["$with_os_release"], [File with OS release details.])
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for Linux features and flags.
# ----------------------------------------------------------------------
AC_ARG_WITH([proc],
[AS_HELP_STRING([--with-proc=DIR],
[location of a Linux-compatible proc filesystem @<:@default=/proc@:>@])],
[],
[with_proc=/proc])
if test -z "$with_proc"; then
AC_MSG_ERROR([bad empty value for --with-proc option])
fi
AC_DEFINE_UNQUOTED([PROCDIR], ["$with_proc"], [Path of proc filesystem.])
AC_ARG_ENABLE([openvz],
[AS_HELP_STRING([--enable-openvz],
[enable OpenVZ support @<:@default=no@:>@])],
[],
[enable_openvz=no])
if test "x$enable_openvz" = xyes; then
AC_DEFINE([HAVE_OPENVZ], [1], [Define if openvz support enabled.])
fi
AC_ARG_ENABLE([vserver],
[AS_HELP_STRING([--enable-vserver],
[enable VServer support @<:@default=no@:>@])],
[],
[enable_vserver=no])
if test "x$enable_vserver" = xyes; then
AC_DEFINE([HAVE_VSERVER], [1], [Define if VServer support enabled.])
fi
AC_ARG_ENABLE([ancient_vserver],
[AS_HELP_STRING([--enable-ancient-vserver],
[enable ancient VServer support (implies --enable-vserver) @<:@default=no@:>@])],
[],
[enable_ancient_vserver=no])
if test "x$enable_ancient_vserver" = xyes; then
if test "x$enable_vserver" != xyes; then
enable_vserver=implied
fi
AC_DEFINE([HAVE_VSERVER], [1], [Define if VServer support enabled.])
AC_DEFINE([HAVE_ANCIENT_VSERVER], [1], [Define if ancient vserver support enabled.])
fi
AC_ARG_ENABLE([capabilities],
[AS_HELP_STRING([--enable-capabilities],
[enable Linux capabilities support; requires libcap @<:@default=check@:>@])],
[],
[enable_capabilities=check])
case "$enable_capabilities" in
no)
;;
check)
enable_capabilities=yes
AC_CHECK_LIB([cap], [cap_init], [], [enable_capabilities=no])
AC_CHECK_HEADERS([sys/capability.h], [], [enable_capabilities=no])
;;
yes)
AC_CHECK_LIB([cap], [cap_init], [], [AC_MSG_ERROR([can not find required library libcap])])
AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([can not find required header file sys/capability.h])])
;;
*)
AC_MSG_ERROR([bad value '$enable_capabilities' for --enable-capabilities])
;;
esac
AC_ARG_ENABLE([delayacct],
[AS_HELP_STRING([--enable-delayacct],
[enable Linux delay accounting support; requires pkg-config, libnl-3 and libnl-genl-3 @<:@default=check@:>@])],
[],
[enable_delayacct=check])
case "$enable_delayacct" in
no)
;;
check)
if test "$my_htop_platform" != linux; then
enable_delayacct=no
elif test "$enable_static" = yes; then
enable_delayacct=no
else
m4_ifdef([PKG_PROG_PKG_CONFIG], [
enable_delayacct=yes
PKG_PROG_PKG_CONFIG()
PKG_CHECK_MODULES(LIBNL3, libnl-3.0, [], [enable_delayacct=no])
PKG_CHECK_MODULES(LIBNL3GENL, libnl-genl-3.0, [], [enable_delayacct=no])
if test "$enable_delayacct" = yes; then
CFLAGS="$CFLAGS $LIBNL3_CFLAGS $LIBNL3GENL_CFLAGS"
LIBS="$LIBS $LIBNL3_LIBS $LIBNL3GENL_LIBS"
AC_DEFINE([HAVE_DELAYACCT], [1], [Define if delay accounting support should be enabled.])
fi
], [
enable_delayacct=no
AC_MSG_NOTICE([Linux delay accounting support can not be enabled, cause pkg-config is required for checking its availability])
])
fi
;;
yes)
m4_ifdef([PKG_PROG_PKG_CONFIG], [
PKG_PROG_PKG_CONFIG()
PKG_CHECK_MODULES(LIBNL3, libnl-3.0, [], [AC_MSG_ERROR([can not find required library libnl3])])
PKG_CHECK_MODULES(LIBNL3GENL, libnl-genl-3.0, [], [AC_MSG_ERROR([can not find required library libnl3genl])])
CFLAGS="$CFLAGS $LIBNL3_CFLAGS $LIBNL3GENL_CFLAGS"
LIBS="$LIBS $LIBNL3_LIBS $LIBNL3GENL_LIBS"
AC_DEFINE([HAVE_DELAYACCT], [1], [Define if delay accounting support should be enabled.])
], [
pkg_m4_absent=1
m4_warning([configure is generated without pkg.m4. 'make dist' target will be disabled.])
AC_MSG_ERROR([htop on Linux requires pkg-config for checking delayacct requirements. Please install pkg-config and run ./autogen.sh to rebuild the configure script.])
])
;;
*)
AC_MSG_ERROR([bad value '$enable_delayacct' for --enable-delayacct])
;;
esac
AC_ARG_ENABLE([sensors],
[AS_HELP_STRING([--enable-sensors],
[enable libsensors support for reading temperature data; requires only libsensors headers at compile time, at runtime libsensors is loaded via dlopen @<:@default=check@:>@])],
[],
[enable_sensors=check])
case "$enable_sensors" in
no)
;;
check)
enable_sensors=yes
if test "$enable_static" = yes; then
AC_CHECK_LIB([sensors], [sensors_init], [], [enable_sensors=no])
fi
AC_CHECK_HEADERS([sensors/sensors.h], [], [enable_sensors=no])
;;
yes)
if test "$enable_static" = yes; then
AC_CHECK_LIB([sensors], [sensors_init], [], [AC_MSG_ERROR([can not find required library libsensors])])
fi
AC_CHECK_HEADERS([sensors/sensors.h], [], [AC_MSG_ERROR([can not find required header file sensors/sensors.h])])
;;
*)
AC_MSG_ERROR([bad value '$enable_sensors' for --enable-sensors])
;;
esac
if test "$enable_sensors" = yes || test "$my_htop_platform" = freebsd; then
AC_DEFINE([BUILD_WITH_CPU_TEMP], [1], [Define if CPU temperature option should be enabled.])
fi
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# Checks for compiler warnings.
# ----------------------------------------------------------------------
AM_CFLAGS="\
-Wall\
-Wcast-align\
-Wcast-qual\
-Wextra\
-Wfloat-equal\
-Wformat=2\
-Winit-self\
-Wmissing-format-attribute\
-Wmissing-noreturn\
-Wmissing-prototypes\
-Wpointer-arith\
-Wshadow\
-Wstrict-prototypes\
-Wundef\
-Wunused\
-Wwrite-strings"
# FreeBSD uses C11 _Generic in its isnan implementation, even with -std=c99
if test "$my_htop_platform" = freebsd; then
AM_CFLAGS="$AM_CFLAGS -Wno-c11-extensions"
fi
dnl https://www.gnu.org/software/autoconf-archive/ax_check_compile_flag.html
AC_DEFUN([AX_CHECK_COMPILE_FLAG],
[
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
_AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1"
AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])],
[AS_VAR_SET(CACHEVAR,[yes])],
[AS_VAR_SET(CACHEVAR,[no])])
_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
AS_VAR_IF(CACHEVAR,yes,
[m4_default([$2], :)],
[m4_default([$3], :)])
AS_VAR_POPDEF([CACHEVAR])dnl
])dnl AX_CHECK_COMPILE_FLAGS
AX_CHECK_COMPILE_FLAG([-Wnull-dereference], [AM_CFLAGS="$AM_CFLAGS -Wnull-dereference"], , [-Werror])
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--enable-werror],
[Treat warnings as errors @<:@default=no@:>@])],
[],
[enable_werror=no])
if test "x$enable_werror" = xyes; then
AM_CFLAGS="$AM_CFLAGS -Werror"
fi
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[Enable compiling with maximum debug info, asserts and internal sanity checks @<:@default=no@:>@])],
[],
[enable_debug=no])
if test "x$enable_debug" != xyes; then
AM_CPPFLAGS="$AM_CPPFLAGS -DNDEBUG"
else
AM_CPPFLAGS="$AM_CPPFLAGS -ggdb3"
fi
AC_SUBST([AM_CFLAGS])
AC_SUBST([AM_CPPFLAGS])
# ----------------------------------------------------------------------
# ----------------------------------------------------------------------
# We're done, let's go!
# ----------------------------------------------------------------------
AC_DEFINE_UNQUOTED([COPYRIGHT], ["(C) 2004-2019 Hisham Muhammad. (C) 2020-2021 htop dev team."], [Copyright message.])
AM_CONDITIONAL([HTOP_LINUX], [test "$my_htop_platform" = linux])
AM_CONDITIONAL([HTOP_FREEBSD], [test "$my_htop_platform" = freebsd])
AM_CONDITIONAL([HTOP_DRAGONFLYBSD], [test "$my_htop_platform" = dragonflybsd])
AM_CONDITIONAL([HTOP_NETBSD], [test "$my_htop_platform" = netbsd])
AM_CONDITIONAL([HTOP_OPENBSD], [test "$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_PCP], [test "$my_htop_platform" = pcp])
AM_CONDITIONAL([HTOP_UNSUPPORTED], [test "$my_htop_platform" = unsupported])
AC_SUBST(my_htop_platform)
AC_CONFIG_FILES([Makefile htop.1])
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
AC_MSG_RESULT([
${PACKAGE_NAME} ${VERSION}
platform: $my_htop_platform
os-release file: $with_os_release
(Linux) proc directory: $with_proc
(Linux) openvz: $enable_openvz
(Linux) vserver: $enable_vserver
(Linux) ancient vserver: $enable_ancient_vserver
(Linux) delay accounting: $enable_delayacct
(Linux) sensors: $enable_sensors
(Linux) capabilities: $enable_capabilities
unicode: $enable_unicode
affinity: $enable_affinity
unwind: $enable_unwind
hwloc: $enable_hwloc
debug: $enable_debug
static: $enable_static
])
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