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nano/configure.ac
David Lawrence Ramsey 9830d7500f add isblank() equivalent and use it instead of checking for (tab or
space) all over the code, properly detect whether we have strcasestr()
and only use nstristr() if we don't, and bump up CVS build requirements
to account for setting _GNU_SOURCE when running the test programs for
both


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1730 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
2004-05-13 17:19:54 +00:00

363 строки
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# Configuration for GNU nano - a small and user-friendly text editor
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
#
# GNU nano is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# GNU nano is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU nano; if not, write to the Free Software
# Foundation, Inc.
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# $Id$
AC_INIT([GNU nano], [1.3.2-cvs], [nano-devel@gnu.org], [nano])
AC_CONFIG_SRCDIR([src/nano.c])
AM_INIT_AUTOMAKE
AM_CONFIG_HEADER([config.h:config.h.in])
AC_PREREQ(2.54)
dnl Checks for programs.
AC_GNU_SOURCE
AC_PROG_CC
AC_ISC_POSIX
AC_SYS_LARGEFILE
dnl Internationalization macros.
AM_GNU_GETTEXT_VERSION(0.11.5)
AM_GNU_GETTEXT([external], [need-ngettext])
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h getopt.h libintl.h limits.h regex.h termio.h termios.h unistd.h)
AC_CHECK_HEADER(regex.h,
AC_MSG_CHECKING([for broken regexec])
AC_TRY_RUN([
#include <sys/types.h>
#include <regex.h>
int main(void) { regex_t reg; size_t n = 1; regmatch_t r; regcomp(&reg, "\\<", 0); regexec(&reg, "", n, &r, 0); regfree(&reg); return 0; }],
AC_MSG_RESULT(no),
AC_MSG_RESULT(yes); AC_DEFINE(BROKEN_REGEXEC, 1, [Define this if your regexec() function segfaults when passed an empty string under certain conditions.])
)
)
dnl options
AC_ARG_ENABLE(debug,
[ --enable-debug Enable debugging (disabled by default)],
[if test x$enableval = xyes; then
AC_DEFINE(DEBUG, 1, [Define this to enable nano debug messages and assert warnings.])
debug_support=yes
fi])
if test "$debug_support" != "yes"; then
AC_DEFINE(NDEBUG, 1, [Shut up the assert warnings :-)])
fi
AC_ARG_ENABLE(extra,
[ --enable-extra Enable extra (optional) functions, including easter eggs],
[if test x$enableval = xyes; then
AC_DEFINE(NANO_EXTRA, 1, [Define this to enable the extra stuff.]) extra_support=yes
AC_DEFINE(ENABLE_MULTIBUFFER, 1, [Define this to enable multiple file buffers.]) multibuffer_support=yes
fi])
AC_ARG_ENABLE(tiny,
[ --enable-tiny Disable features for the sake of size],
[if test x$enableval = xyes; then
AC_DEFINE(NANO_SMALL, 1, [Define this to make the nano executable as small as possible.]) tiny_support=yes
AC_DEFINE(DISABLE_BROWSER, 1, [Define this to disable the built-in (crappy) file browser.])
AC_DEFINE(DISABLE_HELP, 1, [Define this to disable the ^G help menu.])
AC_DEFINE(DISABLE_JUSTIFY, 1, [Define this to disable the justify routine.])
AC_DEFINE(DISABLE_MOUSE, 1, [Define this to disable the mouse functions.])
AC_DEFINE(DISABLE_OPERATINGDIR, 1, [Define this to disable setting of the operating directory (chroot of sorts).])
AC_DEFINE(DISABLE_SPELLER, 1, [Define this to disable the use(full|less) spelling functions.])
AC_DEFINE(DISABLE_TABCOMP, 1, [Define to disable the tab completion code Chris worked so hard on!])
fi])
AC_ARG_ENABLE(browser,
[ --disable-browser Disable mini file browser],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_BROWSER, 1, [Define this to disable the built-in (crappy) file browser.])
fi])
AC_ARG_ENABLE(help,
[ --disable-help Disable help function (^G)],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_HELP, 1, [Define this to disable the ^G help menu.])
fi])
AC_ARG_ENABLE(justify,
[ --disable-justify Disable justify/unjustify function],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_JUSTIFY, 1, [Define this to disable the justify routine.])
fi])
AC_ARG_ENABLE(mouse,
[ --disable-mouse Disable mouse support (and -m flag)],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_MOUSE, 1, [Define this to disable the mouse functions.])
fi])
AC_ARG_ENABLE(operatingdir,
[ --disable-operatingdir Disable setting of operating directory (chroot of sorts)],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_OPERATINGDIR, 1, [Define this to disable setting of the operating directory (chroot of sorts).])
fi])
AC_ARG_ENABLE(speller,
[ --disable-speller Disable spell checker function],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_SPELLER, 1, [Define this to disable the use(full|less) spelling functions.])
fi])
AC_ARG_ENABLE(tabcomp,
[ --disable-tabcomp Disable tab completion code for a smaller binary],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_TABCOMP, 1, [Define to disable the tab completion code Chris worked so hard on!])
fi])
AC_ARG_ENABLE(wrapping,
[ --disable-wrapping Disable all wrapping of text (and -w flag)],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_WRAPPING, 1, [Define this to disable any and all text wrapping.])
fi])
AC_ARG_ENABLE(wrapping-as-root,
[ --disable-wrapping-as-root Disable wrapping of text as root by default],
[if test x$enableval != xyes; then
AC_DEFINE(DISABLE_ROOTWRAP, 1, [Define this to disable wrapping as root by default.])
fi])
AC_ARG_ENABLE(color,
[ --enable-color Enable color and syntax highlighting],
[if test x$enableval = xyes; then
AC_DEFINE(ENABLE_NANORC, 1, [Define this to use the .nanorc file.]) nanorc_support=yes
AC_DEFINE(ENABLE_COLOR, 1, [Define this to have syntax highlighting, requires ENABLE_NANORC too!]) color_support=yes
AC_MSG_WARN([
***********************************************************************
*** WARNING: Color support is far from perfect, but functional. ***
*** Be careful with syntax in your .nanorc or nano may malfunction. ***
***********************************************************************
])
fi])
AC_ARG_ENABLE(multibuffer,
[ --enable-multibuffer Enable multiple file buffers],
[if test x$enableval = xyes; then
AC_DEFINE(ENABLE_MULTIBUFFER, 1, [Define this to enable multiple file buffers.]) multibuffer_support=yes
fi])
AC_ARG_ENABLE(nanorc,
[ --enable-nanorc Enable use of .nanorc file],
[if test x$enableval = xyes; then
AC_DEFINE(ENABLE_NANORC, 1, [Define this to use the .nanorc file.]) nanorc_support=yes
fi])
AC_ARG_ENABLE(all,
[ --enable-all Enable ALL extra nano functionality (kitchen sink option)],
[if test x$enableval = xyes; then
AC_DEFINE(ENABLE_NANORC, 1, [Define this to use the .nanorc file.]) nanorc_support=yes
AC_DEFINE(ENABLE_COLOR, 1, [Define this to have syntax highlighting, requires ENABLE_NANORC too!]) color_support=yes
AC_DEFINE(ENABLE_MULTIBUFFER, 1, [Define this to enable multiple file buffers.]) multibuffer_support=yes
AC_DEFINE(NANO_EXTRA, 1, [Define this to enable the extra stuff.]) extra_support=yes
AC_MSG_WARN([
***********************************************************************
*** WARNING: Color support is far from perfect, but functional. ***
*** Be careful with syntax in your .nanorc or nano may malfunction. ***
***********************************************************************
])
fi])
AC_MSG_CHECKING([whether to use slang])
CURSES_LIB_NAME=""
AC_ARG_WITH(slang,
[ --with-slang[=DIR] Use the slang library instead of curses],
[ case "$with_slang" in
no)
AC_MSG_RESULT(no)
;;
*)
AC_MSG_RESULT(yes)
if test "$with_slang" != "yes"; then
# Add additional search path
LDFLAGS="-L$with_slang/lib $LDFLAGS"
CPPFLAGS="-I$with_slang/include $CPPFLAGS"
fi
AC_CHECK_HEADER(slcurses.h,
AC_MSG_CHECKING([for SLtt_initialize in -lslang])
_libs=$LIBS
LIBS="$LIBS -lslang"
AC_TRY_RUN([
#include <stdio.h>
#include <slcurses.h>
int main(void) { SLtt_initialize(NULL); return 0; }],
[AC_MSG_RESULT(yes)
AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.])
slang_support=yes
if test "$with_slang" != "yes"; then
CURSES_LIB="-L${with_slang}/lib -lslang"
else
CURSES_LIB="-lslang"
fi
CURSES_LIB_NAME=slang], [
AC_MSG_RESULT(no)
# We might need the term library
for termlib in ncurses curses termcap terminfo termlib; do
AC_CHECK_LIB([${termlib}], tputs, [tcap="-l$termlib"])
test -n "$tcap" && break
done
AC_MSG_CHECKING([for SLtt_initialize in -lslang $tcap])
LIBS="$LIBS $tcap"
AC_TRY_RUN([
#include <stdio.h>
#include <slcurses.h>
int main(void) { SLtt_initialize(NULL); return 0; }],
[AC_MSG_RESULT(yes)
AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.])
slang_support=yes
if test "$with_slang" != "yes"; then
CURSES_LIB="-L${with_slang}/lib -lslang $tcap"
else
CURSES_LIB="-lslang $tcap"
fi
CURSES_LIB_NAME=slang], [
AC_MSG_RESULT(no)
# We might need the math library
AC_MSG_CHECKING([for SLtt_initialize in -lslang $tcap -lm])
LIBS="$LIBS -lm"
AC_TRY_RUN([
#include <stdio.h>
#include <slcurses.h>
int main(void) { SLtt_initialize(NULL); return 0; }],
[AC_MSG_RESULT(yes)
AC_DEFINE(USE_SLANG, 1, [Define to use the slang wrappers for curses instead of native curses.])
slang_support=yes
if test "$with_slang" != "yes"; then
CURSES_LIB="-L${with_slang}/lib -lslang $tcap -lm"
else
CURSES_LIB="-lslang $tcap -lm"
fi
CURSES_LIB_NAME=slang],
[AC_MSG_RESULT(no)],
AC_MSG_WARN([*** Can not use slang when cross-compiling]))],
AC_MSG_WARN([*** Can not use slang when cross-compiling]))],
AC_MSG_WARN([*** Can not use slang when cross-compiling])),
AC_MSG_ERROR([
*** The header file slcurses.h was not found. If you wish to use
*** slang support this header file is required. Please either
*** install a version of slang that includes the slcurses.h file or
*** do not call the configure script with --with-slang
]))
test "${_libs+set}" = "set" && LIBS=$_libs
if test "$with_slang" != "yes"; then
LDFLAGS=${_ldflags}
fi
;;
esac], [AC_MSG_RESULT(no)])
dnl Checks for functions
AC_CHECK_FUNCS(snprintf vsnprintf isblank strcasecmp strncasecmp strcasestr)
if test "x$ac_cv_func_snprintf" = "xno" -o "xac_cv_func_vsnprintf" = "xno"
then
AM_PATH_GLIB_2_0(2.0.0,,
[AM_PATH_GLIB(1.2.4,,
[AC_MSG_ERROR([
*** snprintf() and/or vsnprintf() not found. GLIB not found either.
*** You need both snprintf() and vsnprintf(). Alternatively you can
*** install the GLIB library which can be found at ftp://ftp.gtk.org/.])],
glib)])
fi
dnl Checks for typedefs, structures, and compiler characteristics.
dnl Checks for library functions.
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(getopt_long)
dnl Checks for libraries.
if eval "test x$CURSES_LIB_NAME = x"
then
AC_CHECK_HEADERS(curses.h ncurses.h)
AC_CHECK_LIB(ncurses, tgetent, [CURSES_LIB="-lncurses" CURSES_LIB_NAME=ncurses])
fi
if eval "test x$CURSES_LIB_NAME = x"
then
AC_CHECK_LIB(curses, tgetent, [CURSES_LIB="-lcurses" CURSES_LIB_NAME=curses])
fi
# Fallback for PDCurses and less useful curses libs...
if eval "test x$CURSES_LIB_NAME = x"
then
AC_CHECK_LIB(curses, initscr, [CURSES_LIB="-lcurses" CURSES_LIB_NAME=curses])
fi
if eval "test x$CURSES_LIB_NAME = x"
then
AC_CHECK_LIB(termcap, tgetent, [CURSES_LIB="-ltermcap" CURSES_LIB_NAME=termcap])
fi
if eval "test x$CURSES_LIB_NAME = x"
then
AC_MSG_WARN([
*** No termcap lib available, consider getting the official ncurses
*** distribution from ftp://ftp.gnu.org/pub/gnu/ncurses if you get
*** errors compiling nano.])
else
AC_MSG_RESULT([Using $CURSES_LIB_NAME as the termcap library])
fi
AC_CHECK_LIB([$CURSES_LIB_NAME], use_default_colors, AC_DEFINE(HAVE_USE_DEFAULT_COLORS, 1, [Define this if your curses library has the use_default_colors command.]))
if test x$slang_support != xyes; then
AC_CHECK_LIB([$CURSES_LIB_NAME], wresize, AC_DEFINE(HAVE_WRESIZE, 1, [Define this if you have the wresize function in your ncurses-type library.]))
AC_CHECK_LIB([$CURSES_LIB_NAME], resizeterm, AC_DEFINE(HAVE_RESIZETERM, 1, [Define this if you have the resizeterm function in your ncurses-type library.]))
fi
dnl Parse any configure options
LIBS="$LIBS $CURSES_LIB"
AC_SUBST(CURSES_LIB)
if test "x$GLIB_CFLAGS" != "x"
then
CFLAGS="$CFLAGS $GLIB_CFLAGS"
fi
if test "x$GLIB_LIBS" != "x"
then
LDFLAGS="$LDFLAGS $GLIB_LIBS"
fi
AC_CONFIG_FILES([
Makefile
doc/Makefile
doc/man/Makefile
doc/man/fr/Makefile
doc/texinfo/Makefile
m4/Makefile
po/Makefile.in
src/Makefile
nano.spec
])
AC_OUTPUT