+###############################################################################
+CF_HELP_MESSAGE(Extensions:)
+
+### Note that some functions (such as const) are normally disabled anyway.
+AC_MSG_CHECKING(if you want to build with function extensions)
+AC_ARG_ENABLE(ext-funcs,
+ [ --disable-ext-funcs disable function-extensions],
+ [with_ext_funcs=$enableval],
+ [with_ext_funcs=yes])
+AC_MSG_RESULT($with_ext_funcs)
+if test "x$with_ext_funcs" = xyes ; then
+ NCURSES_EXT_FUNCS=1
+ AC_DEFINE(NCURSES_EXT_FUNCS,1,[Define to 1 to enable ncurses extended functions])
+ AC_DEFINE(HAVE_ASSUME_DEFAULT_COLORS,1,[Define to 1 to enable assume_default_colors() function in test-programs])
+ AC_DEFINE(HAVE_CURSES_VERSION,1,[Define to 1 to enable curses_version() function in test-programs])
+ AC_DEFINE(HAVE_HAS_KEY,1,[Define to 1 to enable has_key() function in test-programs])
+ AC_DEFINE(HAVE_RESIZETERM,1,[Define to 1 to enable resizeterm() function in test-programs])
+ AC_DEFINE(HAVE_RESIZE_TERM,1,[Define to 1 to enable resize_term() function in test-programs])
+ AC_DEFINE(HAVE_TERM_ENTRY_H,1,[Define to 1 to enable term_entry() function in test-programs])
+ AC_DEFINE(HAVE_USE_DEFAULT_COLORS,1,[Define to 1 to enable use_default_colors() function in test-programs])
+ AC_DEFINE(HAVE_USE_EXTENDED_NAMES,1,[Define to 1 to enable use_extended_names() function in test-programs])
+ AC_DEFINE(HAVE_USE_SCREEN,1,[Define to 1 to enable use_screen() function in test-programs])
+ AC_DEFINE(HAVE_USE_WINDOW,1,[Define to 1 to enable use_window() function in test-programs])
+ AC_DEFINE(HAVE_WRESIZE,1,[Define to 1 to enable wresize() function in test-programs])
+ GENERATED_EXT_FUNCS=generated
+ test "x$with_ext_funcs" = xyes || cf_dft_ext_spfuncs=no
+else
+ NCURSES_EXT_FUNCS=0
+ GENERATED_EXT_FUNCS=
+fi
+AC_SUBST(NCURSES_EXT_FUNCS)
+AC_SUBST(GENERATED_EXT_FUNCS)
+
+AC_MSG_CHECKING(if you want to build with SCREEN extensions)
+AC_ARG_ENABLE(sp-funcs,
+ [ --enable-sp-funcs enable SCREEN-extensions],
+ [with_sp_funcs=$enableval],
+ [with_sp_funcs=$cf_dft_ext_spfuncs])
+AC_MSG_RESULT($with_sp_funcs)
+if test "x$with_sp_funcs" = xyes ; then
+ NCURSES_SP_FUNCS=1
+ AC_DEFINE(NCURSES_SP_FUNCS,1,[Define to 1 to enable SCREEN-extensions])
+ AC_DEFINE(HAVE_TPUTS_SP,1,[Define to 1 to enable tputs_sp() function in test-programs])
+ GENERATED_SP_FUNCS=generated
+else
+ NCURSES_SP_FUNCS=0
+ GENERATED_SP_FUNCS=
+fi
+AC_SUBST(NCURSES_SP_FUNCS)
+AC_SUBST(GENERATED_SP_FUNCS)
+
+AC_MSG_CHECKING(if you want to build with terminal-driver)
+AC_ARG_ENABLE(term-driver,
+ [ --enable-term-driver enable terminal-driver],
+ [with_term_driver=$enableval],
+ [with_term_driver=no])
+AC_MSG_RESULT($with_term_driver)
+if test "x$with_term_driver" = xyes ; then
+ AC_DEFINE(USE_TERM_DRIVER,1,[Define to 1 to enable terminal-driver])
+ if test "x$with_termlib" != xno ; then
+ AC_MSG_ERROR(The term-driver option conflicts with the termlib option)
+ fi
+ if test "x$with_sp_funcs" != xyes ; then
+ AC_MSG_ERROR(The term-driver option relies upon sp-funcs)
+ fi
+fi
+
+### use option --enable-const to turn on use of const beyond that in XSI.
+AC_MSG_CHECKING(for extended use of const keyword)
+AC_ARG_ENABLE(const,
+ [ --enable-const compile with extra/non-standard const],
+ [with_ext_const=$enableval],
+ [with_ext_const=$cf_dft_ext_const])
+AC_MSG_RESULT($with_ext_const)
+NCURSES_CONST='/*nothing*/'
+if test "x$with_ext_const" = xyes ; then
+ NCURSES_CONST=const
+fi
+AC_SUBST(NCURSES_CONST)
+
+### use option --enable-ext-colors to turn on use of colors beyond 16.
+AC_MSG_CHECKING(if you want to use extended colors)
+AC_ARG_ENABLE(ext-colors,
+ [ --enable-ext-colors compile for 256-color support],
+ [with_ext_colors=$enableval],
+ [with_ext_colors=$cf_dft_ext_colors])
+AC_MSG_RESULT($with_ext_colors)
+NCURSES_EXT_COLORS=0
+if test "x$with_ext_colors" = xyes ; then
+ if test "x$with_widec" != xyes ; then
+ AC_MSG_WARN(This option applies only to wide-character library)
+ else
+ # cannot be ABI 5 since it changes sizeof(cchar_t)
+ CF_NCURSES_ABI_6
+ NCURSES_EXT_COLORS=1
+ AC_DEFINE(NCURSES_EXT_COLORS,1,[Define to 1 to compile for 256-color support])
+ AC_DEFINE(HAVE_ALLOC_PAIR,1,[Define to 1 to enable alloc_pair() function])
+ AC_DEFINE(HAVE_INIT_EXTENDED_COLOR,1,[Define to 1 to enable init_extended_color() function in test-programs])
+ AC_DEFINE(HAVE_RESET_COLOR_PAIRS,1,[Define to 1 to enable reset_color_pairs() function in test-programs])
+ fi
+fi
+AC_SUBST(NCURSES_EXT_COLORS)
+
+### use option --enable-ext-mouse to modify coding to support 5-button mice
+AC_MSG_CHECKING(if you want to use extended mouse encoding)
+AC_ARG_ENABLE(ext-mouse,
+ [ --enable-ext-mouse compile for extended mouse-encoding],
+ [with_ext_mouse=$enableval],
+ [with_ext_mouse=$cf_dft_ext_mouse])
+AC_MSG_RESULT($with_ext_mouse)
+NCURSES_MOUSE_VERSION=1
+if test "x$with_ext_mouse" = xyes ; then
+ NCURSES_MOUSE_VERSION=2
+ CF_NCURSES_ABI_6
+fi
+AC_SUBST(NCURSES_MOUSE_VERSION)
+
+### use option --enable-ext-putwin to turn on extended screendumps
+AC_MSG_CHECKING(if you want to use extended putwin/screendump)
+AC_ARG_ENABLE(ext-putwin,
+ [ --enable-ext-putwin compile with extended putwin/screendump],
+ [with_ext_putwin=$enableval],
+ [with_ext_putwin=$cf_dft_ext_putwin])
+AC_MSG_RESULT($with_ext_putwin)
+if test "x$with_ext_putwin" = xyes ; then
+ AC_DEFINE(NCURSES_EXT_PUTWIN,1,[Define to 1 to compile with extended putwin/screendump])
+fi
+
+AC_MSG_CHECKING(if you want \$NCURSES_NO_PADDING code)
+AC_ARG_ENABLE(no-padding,
+ [ --enable-no-padding compile with $NCURSES_NO_PADDING code],
+ [with_no_padding=$enableval],
+ [with_no_padding=$with_ext_funcs])
+AC_MSG_RESULT($with_no_padding)
+test "x$with_no_padding" = xyes && AC_DEFINE(NCURSES_NO_PADDING,1,[Define to 1 to compile with $NCURSES_NO_PADDING code])
+
+### use option --enable-sigwinch to turn on use of SIGWINCH logic
+AC_MSG_CHECKING(if you want SIGWINCH handler)
+AC_ARG_ENABLE(sigwinch,
+ [ --enable-sigwinch compile with SIGWINCH handler],
+ [with_sigwinch=$enableval],
+ [with_sigwinch=$with_ext_funcs])
+AC_MSG_RESULT($with_sigwinch)
+test "x$with_sigwinch" = xyes && AC_DEFINE(USE_SIGWINCH,1,[Define to 1 to compile with SIGWINCH handler])
+
+### use option --enable-tcap-names to allow user to define new capabilities
+AC_MSG_CHECKING(if you want user-definable terminal capabilities like termcap)
+AC_ARG_ENABLE(tcap-names,
+ [ --enable-tcap-names compile with user-definable terminal capabilities],
+ [with_tcap_names=$enableval],
+ [with_tcap_names=$with_ext_funcs])
+AC_MSG_RESULT($with_tcap_names)
+NCURSES_XNAMES=0
+test "x$with_tcap_names" = xyes && NCURSES_XNAMES=1
+AC_SUBST(NCURSES_XNAMES)
+
+##############################################################################
+CF_HELP_MESSAGE(Reentrant Code:)
+CF_WITH_PTHREAD
+
+if test "x$with_pthread" != xno; then
+ AC_CHECK_FUNC(pthread_kill,[
+ AC_MSG_CHECKING(if you want to allow EINTR in wgetch with pthreads)
+ AC_ARG_ENABLE(pthreads-eintr,
+ [ --enable-pthreads-eintr enable EINTR in wgetch with pthreads],
+ [use_pthreads_eintr=$enableval],
+ [use_pthreads_eintr=no])
+ AC_MSG_RESULT($use_pthreads_eintr)
+ if test "x$use_pthreads_eintr" = xyes ; then
+ AC_DEFINE(USE_PTHREADS_EINTR,1,[Define to 1 to enable EINTR in wgetch with pthreads])
+ fi])
+
+ AC_MSG_CHECKING(if you want to use weak-symbols for pthreads)
+ AC_ARG_ENABLE(weak-symbols,
+ [ --enable-weak-symbols enable weak-symbols for pthreads],
+ [use_weak_symbols=$enableval],
+ [use_weak_symbols=no])
+ AC_MSG_RESULT($use_weak_symbols)
+ if test "x$use_weak_symbols" = xyes ; then
+ CF_WEAK_SYMBOLS
+ else
+ cf_cv_weak_symbols=no
+ fi
+
+ if test "x$cf_cv_weak_symbols" = xyes ; then
+ AC_DEFINE(USE_WEAK_SYMBOLS,1,[Define to 1 to enable weak-symbols for pthreads])
+ fi
+fi
+
+PTHREAD=
+if test "x$with_pthread" = "xyes" ; then
+ AC_DEFINE(USE_PTHREADS,1,[Define to 1 to use pthreads feature])
+ enable_reentrant=yes
+ if test "x$cf_cv_weak_symbols" = xyes ; then
+ PTHREAD=-lpthread
+ CF_ADD_LIB(pthread,PRIVATE_LIBS)
+ fi
+fi
+AC_SUBST(PTHREAD)
+
+# Reentrant code has to be opaque; there's little advantage to making ncurses
+# opaque outside of that, so there is no --enable-opaque option. We can use
+# this option without --with-pthreads, but this will be always set for
+# pthreads.
+AC_MSG_CHECKING(if you want reentrant code)
+AC_ARG_ENABLE(reentrant,
+ [ --enable-reentrant compile with reentrant code],
+ [with_reentrant=$enableval],
+ [with_reentrant=no])
+AC_MSG_RESULT($with_reentrant)
+if test "x$with_reentrant" = xyes ; then
+ cf_cv_enable_reentrant=1
+ cf_cv_enable_opaque="NCURSES_INTERNALS"
+ NCURSES_SIZE_T=int
+ if test "x$cf_cv_weak_symbols" = xyes ; then
+ CF_REMOVE_LIB(LIBS,$LIBS,pthread)
+ CF_ADD_LIB(pthread,TEST_LIBS)
+ CF_ADD_LIB(pthread,TEST_LIBS2)
+ CF_ADD_LIB(pthread,PRIVATE_LIBS)
+ else
+ # when not using weak symbols but with_reentrant,
+ # add 't' to the library suffix on all platforms
+ # except cygwin, where we only do that if ALSO
+ # compiling with full thread support.
+ case "$host" in
+ (*cygwin* | *msys*)
+ if test "$with_pthread" = "yes" ; then
+ if test "x$disable_lib_suffixes" = "xno" ; then
+ LIB_SUFFIX="t${LIB_SUFFIX}"
+ fi
+ fi ;;
+ (*)
+ if test "x$disable_lib_suffixes" = "xno" ; then
+ LIB_SUFFIX="t${LIB_SUFFIX}"
+ fi
+ ;;
+ esac
+ fi
+ AC_DEFINE(USE_REENTRANT,1,[Define to 1 to use reentrant feature])
+ CF_NCURSES_ABI_6
+else
+ cf_cv_enable_reentrant=0
+ cf_cv_enable_opaque="NCURSES_OPAQUE"
+ NCURSES_SIZE_T=short
+fi
+AC_SUBST(cf_cv_enable_reentrant)
+AC_SUBST(cf_cv_enable_opaque)
+
+AC_SUBST(NCURSES_SIZE_T)
+
+AC_MSG_CHECKING(if you want opaque curses-library structures)
+CF_ARG_ENABLE(opaque-curses,
+ [ --enable-opaque-curses make curses WINDOW, etc., "opaque"],
+ [enable_opaque_curses=yes],[
+ test "$cf_cv_enable_reentrant" = 1 && enable_opaque_curses=yes
+ test "$cf_cv_enable_reentrant" = 1 || enable_opaque_curses=no
+ ])
+AC_MSG_RESULT($enable_opaque_curses)
+
+test "$cf_cv_enable_reentrant" = 1 && \
+test "$enable_opaque_curses" = no && \
+AC_MSG_ERROR(reentrant configuration requires opaque library)
+
+AC_MSG_CHECKING(if you want opaque form-library structures)
+AC_ARG_ENABLE(opaque-form,
+ [ --enable-opaque-form make form-library structures "opaque"],
+ [enable_opaque_form=yes],[enable_opaque_form=no])
+AC_MSG_RESULT($enable_opaque_form)
+
+AC_MSG_CHECKING(if you want opaque menu-library structures)
+AC_ARG_ENABLE(opaque-menu,
+ [ --enable-opaque-menu make menu-library structures "opaque"],
+ [enable_opaque_menu=yes],[enable_opaque_menu=no])
+AC_MSG_RESULT($enable_opaque_menu)
+
+AC_MSG_CHECKING(if you want opaque panel-library structures)
+AC_ARG_ENABLE(opaque-panel,
+ [ --enable-opaque-panel make panel-library structures "opaque"],
+ [enable_opaque_panel=yes],[enable_opaque_panel=no])
+AC_MSG_RESULT($enable_opaque_panel)
+
+NCURSES_OPAQUE=0; test "$enable_opaque_curses" = yes && NCURSES_OPAQUE=1
+NCURSES_OPAQUE_FORM=0; test "$enable_opaque_form" = yes && NCURSES_OPAQUE_FORM=1
+NCURSES_OPAQUE_MENU=0; test "$enable_opaque_menu" = yes && NCURSES_OPAQUE_MENU=1
+NCURSES_OPAQUE_PANEL=0; test "$enable_opaque_panel" = yes && NCURSES_OPAQUE_PANEL=1
+
+AC_SUBST(NCURSES_OPAQUE)
+AC_SUBST(NCURSES_OPAQUE_FORM)
+AC_SUBST(NCURSES_OPAQUE_MENU)
+AC_SUBST(NCURSES_OPAQUE_PANEL)
+
+### Allow using a different wrap-prefix
+if test "$cf_cv_enable_reentrant" != 0 || test "$BROKEN_LINKER" = 1 ; then
+ AC_MSG_CHECKING(for prefix used to wrap public variables)
+ AC_ARG_WITH(wrap-prefix,
+ [ --with-wrap-prefix=XXX override prefix used for public variables],
+ [NCURSES_WRAP_PREFIX=$withval],
+ [NCURSES_WRAP_PREFIX=_nc_])
+ AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
+else
+ NCURSES_WRAP_PREFIX=_nc_
+fi
+AC_SUBST(NCURSES_WRAP_PREFIX)
+AC_DEFINE_UNQUOTED(NCURSES_WRAP_PREFIX,"$NCURSES_WRAP_PREFIX",[Define to override _nc_ prefix])
+
+###############################################################################
+# These options are relatively safe to experiment with.
+CF_HELP_MESSAGE(Development Code:)
+AC_MSG_CHECKING(if you want all development code)
+AC_ARG_WITH(develop,
+ [ --without-develop disable development options],
+ [with_develop=$withval],
+ [with_develop=no])
+AC_MSG_RESULT($with_develop)
+
+### use option --enable-hard-tabs to turn on use of hard-tabs optimize
+AC_MSG_CHECKING(if you want hard-tabs code)
+AC_ARG_ENABLE(hard-tabs,
+ [ --enable-hard-tabs compile with hard-tabs code],,
+ [enable_hard_tabs=$with_develop])
+AC_MSG_RESULT($enable_hard_tabs)
+test "x$enable_hard_tabs" = xyes && AC_DEFINE(USE_HARD_TABS,1,[Define to 1 to compile with hard-tabs code])
+
+### use option --enable-xmc-glitch to turn on use of magic-cookie optimize
+AC_MSG_CHECKING(if you want limited support for xmc)
+AC_ARG_ENABLE(xmc-glitch,
+ [ --enable-xmc-glitch compile with support for xmc (magic-cookie)],,
+ [enable_xmc_glitch=$with_develop])
+AC_MSG_RESULT($enable_xmc_glitch)
+test "x$enable_xmc_glitch" = xyes && AC_DEFINE(USE_XMC_SUPPORT,1,[Define to 1 to compile with support for xmc (magic-cookie)])
+
+###############################################################################
+# These are just experimental, probably should not be in a package:
+CF_HELP_MESSAGE(Experimental Code:)
+
+AC_MSG_CHECKING(if you do not want to assume colors are white-on-black)
+AC_ARG_ENABLE(assumed-color,
+ [ --disable-assumed-color do not assume anything about default-colors],
+ [with_assumed_color=$enableval],
+ [with_assumed_color=yes])
+AC_MSG_RESULT($with_assumed_color)
+test "x$with_assumed_color" = xyes && AC_DEFINE(USE_ASSUMED_COLOR,1,[Define to 1 to assume things about default-colors])
+
+### use option --enable-hashmap to turn on use of hashmap scrolling logic
+AC_MSG_CHECKING(if you want hashmap scrolling-optimization code)
+AC_ARG_ENABLE(hashmap,
+ [ --disable-hashmap compile without hashmap scrolling-optimization],
+ [with_hashmap=$enableval],
+ [with_hashmap=yes])
+AC_MSG_RESULT($with_hashmap)
+test "x$with_hashmap" = xyes && AC_DEFINE(USE_HASHMAP,1,[Define to 1 to compile with hashmap scrolling-optimization])
+
+### use option --enable-colorfgbg to turn on use of $COLORFGBG environment
+AC_MSG_CHECKING(if you want colorfgbg code)
+AC_ARG_ENABLE(colorfgbg,
+ [ --enable-colorfgbg compile-in experimental $COLORFGBG code],
+ [with_colorfgbg=$enableval],
+ [with_colorfgbg=no])
+AC_MSG_RESULT($with_colorfgbg)
+test "x$with_colorfgbg" = xyes && AC_DEFINE(USE_COLORFGBG,1,[Define to 1 to compile-in experimental $COLORFGBG code])
+
+### use option --enable-fvisibility to turn on use of gcc-specific feature
+AC_MSG_CHECKING(if you want to use gcc -fvisibility option)
+AC_ARG_ENABLE(fvisibility,
+ [ --enable-fvisibility compile with -fvisibility=hidden],
+ [cf_with_fvisibility=$enableval],
+ [cf_with_fvisibility=no])
+AC_MSG_RESULT($cf_with_fvisibility)
+
+NCURSES_IMPEXP=
+NCURSES_CXX_IMPEXP=
+if test "x$cf_with_fvisibility" = xyes; then
+ CF_CHECK_FVISIBILITY($CC,CFLAGS,cf_cv_fvisibility_hidden)
+ if test "x$cf_cv_fvisibility_hidden" = xyes
+ then
+ CF_ADD_CFLAGS([-fvisibility=hidden])
+ NCURSES_IMPEXP="__attribute__ ((visibility(\"default\")))"
+ fi
+ if test -n "$CXX"
+ then
+ AC_LANG_PUSH(C++)
+ CF_CHECK_FVISIBILITY($CXX,CXXFLAGS,cf_cv_fvisibility_hidden2)
+ if test "x$cf_cv_fvisibility_hidden2" = xyes
+ then
+ CF_ADD_CXXFLAGS([-fvisibility=hidden])
+ NCURSES_CXX_IMPEXP="__attribute__ ((visibility(\"default\")))"
+ fi
+ AC_LANG_POP
+ fi
+fi
+AC_SUBST(NCURSES_IMPEXP)
+AC_SUBST(NCURSES_CXX_IMPEXP)
+
+### use option --enable-interop to turn on use of bindings used for interop
+AC_MSG_CHECKING(if you want interop bindings)
+AC_ARG_ENABLE(interop,
+ [ --enable-interop compile-in interop bindings],
+ [with_exp_interop=$enableval],
+ [with_exp_interop=$cf_dft_interop])
+AC_MSG_RESULT($with_exp_interop)
+
+NCURSES_INTEROP_FUNCS=0
+test "x$with_exp_interop" = xyes && NCURSES_INTEROP_FUNCS=1
+AC_SUBST(NCURSES_INTEROP_FUNCS)
+
+
+AC_MSG_CHECKING(if you want experimental safe-sprintf code)
+AC_ARG_ENABLE(safe-sprintf,
+ [ --enable-safe-sprintf compile with experimental safe-sprintf code],
+ [with_safe_sprintf=$enableval],
+ [with_safe_sprintf=no])
+AC_MSG_RESULT($with_safe_sprintf)
+
+### use option --disable-scroll-hints to turn off use of scroll-hints scrolling logic
+# when hashmap is used scroll hints are useless
+if test "$with_hashmap" = no ; then
+AC_MSG_CHECKING(if you want to experiment without scrolling-hints code)
+AC_ARG_ENABLE(scroll-hints,
+ [ --disable-scroll-hints compile without scroll-hints code],
+ [with_scroll_hints=$enableval],
+ [with_scroll_hints=yes])
+AC_MSG_RESULT($with_scroll_hints)
+test "x$with_scroll_hints" = xyes && AC_DEFINE(USE_SCROLL_HINTS,1,[Define to 1 to compile without scroll-hints code])
+fi
+
+AC_MSG_CHECKING(if you want wgetch-events code)
+AC_ARG_ENABLE(wgetch-events,
+ [ --enable-wgetch-events compile with wgetch-events code],
+ [with_wgetch_events=$enableval],
+ [with_wgetch_events=no])
+AC_MSG_RESULT($with_wgetch_events)
+if test "x$with_wgetch_events" = xyes ; then
+ AC_DEFINE(NCURSES_WGETCH_EVENTS,1,[Define to 1 to compile with wgetch-events code])
+ NCURSES_WGETCH_EVENTS=1
+else
+ NCURSES_WGETCH_EVENTS=0
+fi
+AC_SUBST(NCURSES_WGETCH_EVENTS)
+
+case $cf_cv_system_name in
+(*mingw32*|*mingw64*|*-msvc*)
+ AC_MSG_CHECKING(if you want experimental-Windows driver)
+ AC_ARG_ENABLE(exp-win32,
+ [ --enable-exp-win32 compile with experimental-Windows driver],
+ [with_exp_win32=$enableval],
+ [with_exp_win32=no])
+ AC_MSG_RESULT($with_exp_win32)
+ if test "x$with_exp_win32" = xyes
+ then
+ AC_DEFINE(EXP_WIN32_DRIVER,1,[Define to 1 to compile with experimental win32 driver])
+ EXP_WIN32_DRIVER=1
+ INTERNALS_HDR='[$](INCDIR)/nc_win32.h'
+ else
+ INTERNALS_HDR='[$](INCDIR)/nc_mingw.h'
+ EXP_WIN32_DRIVER=0
+ fi
+ ;;
+(*)
+ EXP_WIN32_DRIVER=0
+ INTERNALS_HDR=
+ ;;
+esac
+AC_SUBST(EXP_WIN32_DRIVER)
+AC_SUBST(INTERNALS_HDR)
+
+###############################################################################
+CF_HELP_MESSAGE(Testing/development Options:)
+
+### use option --disable-echo to suppress full display compiling commands
+CF_DISABLE_ECHO
+if test "x$enable_echo" = xyes; then
+ ECHO_LINK=
+else
+ ECHO_LINK='@ echo linking $@ ... ;'
+ test -n "$LIBTOOL" && LIBTOOL="$LIBTOOL --silent"
+ test -n "$LIBTOOL_CXX" && LIBTOOL_CXX="$LIBTOOL_CXX --silent"
+fi
+AC_SUBST(ECHO_LINK)
+
+# --disable-stripping is used for debugging
+CF_INSTALL_OPTS
+
+# If we're avoiding relinking of shared libraries during install, that is to
+# avoid modifying the build-tree. For the same reason, avoid doing ranlib if
+# the install program has "-p" (for preserving timestamps).
+cf_cv_do_reranlib=yes
+if test "x$cf_cv_install_p" = xyes
+then
+ if test "x$cf_cv_do_relink" != xyes
+ then
+ cf_cv_do_reranlib=no
+ INSTALL_OPT_P="-p"
+ INSTALL_LIB="$INSTALL_LIB $INSTALL_OPT_P"
+ fi
+fi
+AC_SUBST(INSTALL_OPT_P)
+
+### use option --enable-warnings to turn on all gcc warnings
+CF_ENABLE_WARNINGS(Wno-unknown-pragmas Wswitch-enum,yes)
+
+if test "x$with_warnings" = "xyes"; then
+ CF_ADD_ADAFLAGS(-gnatg)
+ if test "x$cf_with_cxx" = xyes ; then
+ CF_GXX_WARNINGS(Wno-unused)
+ fi
+fi
+CF_ENABLE_STRING_HACKS
+
+### use option --enable-assertions to turn on generation of assertion code
+AC_MSG_CHECKING(if you want to enable runtime assertions)
+AC_ARG_ENABLE(assertions,
+ [ --enable-assertions test: turn on generation of assertion code],
+ [with_assertions=$enableval],
+ [with_assertions=no])
+AC_MSG_RESULT($with_assertions)
+if test -n "$GCC"
+then
+ if test "$with_assertions" = no
+ then
+ CPPFLAGS="$CPPFLAGS -DNDEBUG"
+ else
+ CF_ADD_ADAFLAGS(-gnata)
+ fi
+fi
+
+### use option --disable-leaks to suppress "permanent" leaks, for testing
+CF_DISABLE_LEAKS
+AC_DEFINE(HAVE_NC_ALLOC_H,1,[Define to 1 if we have nc_alloc.h header])
+
+### use option --enable-expanded to generate certain macros as functions
+AC_ARG_ENABLE(expanded,
+ [ --enable-expanded test: generate functions for certain macros],
+ [test "x$enableval" = xyes && AC_DEFINE(NCURSES_EXPANDED,1,[Define to 1 to generate functions for certain macros])])
+
+### use option --disable-macros to suppress macros in favor of functions
+AC_ARG_ENABLE(macros,
+ [ --disable-macros test: use functions rather than macros],
+ [test "$enableval" = no && AC_DEFINE(NCURSES_NOMACROS,1,[Define to 1 to use functions rather than macros])])
+
+# Normally we only add trace() to the debug-library. Allow this to be
+# extended to all models of the ncurses library:
+cf_all_traces=no
+case "$CFLAGS $CPPFLAGS" in
+(*-DTRACE*)
+ cf_all_traces=yes
+ ;;
+esac
+
+AC_MSG_CHECKING(whether to add trace feature to all models)
+AC_ARG_WITH(trace,
+[ --with-trace test: add trace() function to all models of ncurses],
+[cf_with_trace=$withval],
+[cf_with_trace=$cf_all_traces])
+AC_MSG_RESULT($cf_with_trace)
+
+if test "x$cf_with_trace" = xyes ; then
+ LIB_TRACING=all
+ ADA_TRACE=TRUE
+ CF_ADD_CFLAGS(-DTRACE)
+ AC_DEFINE(HAVE__TRACEF,1,[Define to 1 if we have _tracef function])
+else
+ LIB_TRACING=DEBUG
+ ADA_TRACE=FALSE
+fi
+
+AC_SUBST(ADA_TRACE)
+
+CF_DISABLE_GNAT_PROJECTS
+
+### Checks for libraries.
+case $cf_cv_system_name in
+(*mingw32*|*mingw64*)
+ if test "x$with_exp_win32" = xyes ; then
+ CPPFLAGS="$CPPFLAGS -DWINVER=0x0600 -DWIN32_LEAN_AND_MEAN"
+ else
+ CPPFLAGS="$CPPFLAGS -DWINVER=0x0501 -DWIN32_LEAN_AND_MEAN"
+ fi
+ # Note: WINVER may be a problem with Windows 10
+ ;;
+(*)
+AC_CHECK_FUNC(gettimeofday,
+ AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function]),[
+
+AC_CHECK_LIB(bsd, gettimeofday,
+ AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function])
+ CF_ADD_LIB(bsd))])dnl CLIX: bzero, select, gettimeofday
+ ;;
+esac
+
+CF_MATH_LIB(MATH_LIB,pow(sin(x),x))
+AC_SUBST(MATH_LIB)