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mc/m4.include/mc-with-screen.m4
Ilia Maslakov 9e0316c777 Ticket #1474 (fix slang include) 
fix: typo in #include <slang.h> section
2009-08-12 19:32:50 +00:00

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dnl
dnl Check if the system S-Lang library can be used.
dnl If not, and $1 is "strict", exit, otherwise fall back to mcslang.
dnl
AC_DEFUN([MC_CHECK_SLANG_BY_PATH], [
ac_slang_inc_path=[$1]
ac_slang_lib_path=[$2]
if test x"$ac_slang_inc_path" != x; then
ac_slang_inc_path="-I"$ac_slang_inc_path
fi
if test x"$ac_slang_lib_path" != x; then
ac_slang_lib_path="-L"$ac_slang_lib_path
fi
saved_CFLAGS="$CFLAGS"
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS $ac_slang_inc_path $ac_slang_lib_path"
CPPFLAGS="$saved_CPPFLAGS $ac_slang_inc_path $ac_slang_lib_path"
dnl Check the header
AC_MSG_CHECKING([for slang.h])
AC_PREPROC_IFELSE(
[
AC_LANG_PROGRAM([#include <slang.h>],[return 0;])
],
[
AC_MSG_RESULT(yes)
if test x"$ac_slang_inc_path" = x; then
ac_slang_inc_path="-I/usr/include"
fi
if test x"$ac_slang_lib_path" = x; then
ac_slang_lib_path="-L/usr/lib"
fi
found_slang=yes
AC_DEFINE(HAVE_SLANG_H, 1,[Define to use slang.h])
],
[
AC_MSG_RESULT(no)
AC_MSG_CHECKING([for slang/slang.h])
AC_PREPROC_IFELSE(
[
AC_LANG_PROGRAM([#include <slang/slang.h>],[return 0;])
],
[
AC_MSG_RESULT(yes)
if test x"$ac_slang_inc_path" = x; then
ac_slang_inc_path="-I/usr/include"
fi
if test x"$ac_slang_lib_path" = x; then
ac_slang_lib_path="-L/usr/lib"
fi
found_slang=yes
AC_DEFINE(HAVE_SLANG_SLANG_H, 1,[Define to use slang.h])
],
[
AC_MSG_RESULT(no)
found_slang=no
error_msg_slang="Slang header not found"
]
)
],
)
dnl Check if termcap is needed.
dnl This check must be done before anything is linked against S-Lang.
if test x"$found_slang" = x"yes"; then
CFLAGS="$saved_CFLAGS $ac_slang_inc_path $ac_slang_lib_path"
LDFLAGS="$saved_LDFLAGS $ac_slang_lib_path"
CPPFLAGS="$saved_CPPFLAGS $ac_slang_inc_path $ac_slang_lib_path"
MC_SLANG_TERMCAP
if test x"$mc_cv_slang_termcap" = x"yes"; then
ac_slang_lib_path="$ac_slang_lib_path -ltermcap"
CFLAGS="$saved_CFLAGS $ac_slang_inc_path $ac_slang_lib_path"
CPPFLAGS="$saved_CPPFLAGS $ac_slang_inc_path $ac_slang_lib_path"
LDFLAGS="$saved_LDFLAGS $ac_slang_lib_path"
fi
fi
dnl Check the library
if test x"$found_slang" = x"yes"; then
unset ac_cv_lib_slang_SLang_init_tty
AC_CHECK_LIB(
[slang],
[SLang_init_tty],
[:],
[
found_slang=no
error_msg_slang="S-lang library not found"
]
)
fi
dnl check if S-Lang have version 2.0 or newer
if test x"$found_slang" = x"yes"; then
AC_MSG_CHECKING([for S-Lang version 2.0 or newer])
AC_TRY_RUN([
#ifdef HAVE_SLANG_SLANG_H
#include <slang/slang.h>
#else
#include <slang.h>
#endif
int main (void)
{
#if SLANG_VERSION >= 20000
return 0;
#else
return 1;
#endif
}
],
[mc_slang_is_valid_version=yes],
[mc_slang_is_valid_version=no],
[mc_slang_is_valid_version=no]
)
if test x$mc_slang_is_valid_version = xno; then
found_slang=no
error_msg_slang="S-Lang library version 2.0 or newer not found"
fi
AC_MSG_RESULT($mc_slang_is_valid_version)
fi
dnl Unless external S-Lang was requested, reject S-Lang with UTF-8 hacks
if test x"$found_slang" = x"yes"; then
unset ac_cv_lib_slang_SLsmg_write_nwchars
AC_CHECK_LIB(
[slang],
[SLsmg_write_nwchars],
[
found_slang=no
error_msg_slang="Rejecting S-Lang with UTF-8 support, it's not fully supported yet"
],
[:]
)
fi
if test x"$found_slang" = x"yes"; then
screen_type=slang
screen_msg="S-Lang library (installed on the system)"
AC_DEFINE(HAVE_SLANG, 1,
[Define to use S-Lang library for screen management])
MCLIBS="$MCLIBS $ac_slang_lib_path -lslang"
fi
CFLAGS="$saved_CFLAGS"
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
])
dnl
dnl Use the slang library.
dnl
AC_DEFUN([MC_WITH_SLANG], [
with_screen=slang
found_slang=yes
error_msg_slang=""
AC_ARG_WITH([slang-includes],
AC_HELP_STRING([--with-slang-includes=@<:@DIR@:>@],
[set path to SLANG includes @<:@default=/usr/include@:>@; may sense only if --with-screen=slang]
),
[ac_slang_inc_path="$withval"],
[ac_slang_inc_path=""]
)
AC_ARG_WITH([slang-libs],
AC_HELP_STRING([--with-slang-libs=@<:@DIR@:>@],
[set path to SLANG library @<:@default=/usr/lib@:>@; may sense only if --with-screen=slang]
),
[ac_slang_lib_path="$withval"],
[ac_slang_lib_path=""]
)
echo 'checking SLANG-headers in default place ...'
MC_CHECK_SLANG_BY_PATH([$ac_slang_inc_path],[$ac_slang_lib_path])
if test x"$found_slang" = "xno"; then
ac_slang_inc_path="/usr/include"
ac_slang_lib_path="/usr/lib"
echo 'checking SLANG-headers in /usr ...'
MC_CHECK_SLANG_BY_PATH([$ac_slang_inc_path],[$ac_slang_lib_path])
if test x"$found_slang" = "xno"; then
ac_slang_inc_path="/usr/local/include"
ac_slang_lib_path="/usr/local/lib"
echo 'checking SLANG-headers in /usr/local ...'
MC_CHECK_SLANG_BY_PATH( $ac_slang_inc_path , $ac_slang_lib_path )
if test x"$found_slang" = "xno"; then
AC_MSG_ERROR([$error_msg_slang])
fi
fi
fi
])
dnl
dnl Use the ncurses library. It can only be requested explicitly,
dnl so just fail if anything goes wrong.
dnl
dnl If ncurses exports the ESCDELAY variable it should be set to 0
dnl or you'll have to press Esc three times to dismiss a dialog box.
dnl
AC_DEFUN([MC_WITH_NCURSES], [
dnl has_colors() is specific to ncurses, it's not in the old curses
save_LIBS="$LIBS"
ncursesw_found=
LIBS=
AC_SEARCH_LIBS([addwstr], [ncursesw ncurses curses], [MCLIBS="$MCLIBS $LIBS";ncursesw_found=yes],
[AC_MSG_WARN([Cannot find ncurses library, that support wide characters])])
if test x"$ncursesw_found" = "x"; then
LIBS=
AC_SEARCH_LIBS([has_colors], [ncurses curses], [MCLIBS="$MCLIBS $LIBS"],
[AC_MSG_ERROR([Cannot find ncurses library])])
fi
dnl Check the header
ncurses_h_found=
AC_CHECK_HEADERS([ncursesw/curses.h ncurses/curses.h ncurses.h curses.h],
[ncurses_h_found=yes; break])
if test x"$ncurses_h_found" = "x"; then
AC_MSG_ERROR([Cannot find ncurses header file])
fi
screen_type=ncurses
screen_msg="ncurses library"
AC_DEFINE(USE_NCURSES, 1,
[Define to use ncurses for screen management])
AC_CACHE_CHECK([for ESCDELAY variable],
[mc_cv_ncurses_escdelay],
[AC_TRY_LINK([], [
extern int ESCDELAY;
ESCDELAY = 0;
],
[mc_cv_ncurses_escdelay=yes],
[mc_cv_ncurses_escdelay=no])
])
if test x"$mc_cv_ncurses_escdelay" = xyes; then
AC_DEFINE(HAVE_ESCDELAY, 1,
[Define if ncurses has ESCDELAY variable])
fi
AC_CHECK_FUNCS(resizeterm)
LIBS="$save_LIBS"
])
dnl
dnl Use the ncursesw library. It can only be requested explicitly,
dnl so just fail if anything goes wrong.
dnl
dnl If ncursesw exports the ESCDELAY variable it should be set to 0
dnl or you'll have to press Esc three times to dismiss a dialog box.
dnl
AC_DEFUN([MC_WITH_NCURSESW], [
dnl has_colors() is specific to ncurses, it's not in the old curses
save_LIBS="$LIBS"
LIBS=
AC_SEARCH_LIBS([has_colors], [ncursesw], [MCLIBS="$MCLIBS $LIBS"],
[AC_MSG_ERROR([Cannot find ncursesw library])])
dnl Check the header
ncurses_h_found=
AC_CHECK_HEADERS([ncursesw/curses.h],
[ncursesw_h_found=yes; break])
if test x"$ncursesw_h_found" = "x"; then
AC_MSG_ERROR([Cannot find ncursesw header file])
fi
screen_type=ncursesw
screen_msg="ncursesw library"
AC_DEFINE(USE_NCURSESW, 1,
[Define to use ncursesw for screen management])
AC_CACHE_CHECK([for ESCDELAY variable],
[mc_cv_ncursesw_escdelay],
[AC_TRY_LINK([], [
extern int ESCDELAY;
ESCDELAY = 0;
],
[mc_cv_ncursesw_escdelay=yes],
[mc_cv_ncursesw_escdelay=no])
])
if test x"$mc_cv_ncursesw_escdelay" = xyes; then
AC_DEFINE(HAVE_ESCDELAY, 1,
[Define if ncursesw has ESCDELAY variable])
fi
AC_CHECK_FUNCS(resizeterm)
LIBS="$save_LIBS"
])
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