421 lines
12 KiB
Text
421 lines
12 KiB
Text
dnl Process this file with autoconf to produce a configure script.
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AC_INIT
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AC_CONFIG_SRCDIR([src/crossref.c])
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AM_INIT_AUTOMAKE(cscope, 15.7a)
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AC_CONFIG_HEADERS([config.h:config.h.in])
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AC_PREREQ(2.59)
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AC_CANONICAL_HOST
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dnl User specification of lexer
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dnl AC_CHECK_LEXER
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dnl User specification of yacc
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dnl AC_CHECK_YACC
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dnl Checks for programs.
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AC_PROG_INSTALL
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AC_PROG_CC
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AC_EXEEXT
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AM_PROG_LEX
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AM_CONDITIONAL(USING_LEX, test "x$LEX" = "xlex")
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if test "x$LEX" = "xlex" ; then AC_DEFINE(USING_LEX, 1,
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[Define this if the scanner is run through lex, not flex])
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fi
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AC_PROG_YACC
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dnl === BEGIN CURSES CHECK
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dnl Curses detection: Munged from Midnight Commander's configure.in
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dnl
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dnl What it does:
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dnl =============
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dnl
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dnl - Determine which version of curses is installed on your system
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dnl and set the -I/-L/-l compiler entries and add a few preprocessor
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dnl symbols
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dnl - Do an AC_SUBST on the CURSES_INCLUDEDIR and CURSES_LIBS so that
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dnl @CURSES_INCLUDEDIR@ and @CURSES_LIBS@ will be available in
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dnl Makefile.in's
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dnl - Modify the following configure variables (these are the only
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dnl curses.m4 variables you can access from within configure.in)
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dnl CURSES_INCLUDEDIR - contains -I's and possibly -DRENAMED_CURSES if
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dnl an ncurses.h that's been renamed to curses.h
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dnl is found.
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dnl CURSES_LIBS - sets -L and -l's appropriately
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dnl CFLAGS - if --with-sco, add -D_SVID3
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dnl has_curses - exports result of tests to rest of configure
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dnl
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dnl Usage:
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dnl ======
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dnl 1) Add lines indicated below to acconfig.h
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dnl 2) call AC_CHECK_CURSES after AC_PROG_CC in your configure.in
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dnl 3) Instead of #include <curses.h> you should use the following to
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dnl properly locate ncurses or curses header file
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dnl
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dnl #if defined(USE_NCURSES) && !defined(RENAMED_NCURSES)
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dnl #include <ncurses.h>
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dnl #else
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dnl #include <curses.h>
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dnl #endif
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dnl
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dnl 4) Make sure to add @CURSES_INCLUDEDIR@ to your preprocessor flags
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dnl 5) Make sure to add @CURSES_LIBS@ to your linker flags or LIBS
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dnl
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dnl Notes with automake:
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dnl - call AM_CONDITIONAL(HAS_CURSES, test "$has_curses" = true) from
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dnl configure.in
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dnl - your Makefile.am can look something like this
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dnl -----------------------------------------------
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dnl INCLUDES= blah blah blah $(CURSES_INCLUDEDIR)
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dnl if HAS_CURSES
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dnl CURSES_TARGETS=name_of_curses_prog
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dnl endif
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dnl bin_PROGRAMS = other_programs $(CURSES_TARGETS)
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dnl other_programs_SOURCES = blah blah blah
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dnl name_of_curses_prog_SOURCES = blah blah blah
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dnl other_programs_LDADD = blah
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dnl name_of_curses_prog_LDADD = blah $(CURSES_LIBS)
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dnl -----------------------------------------------
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dnl
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dnl
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dnl The following lines should be added to acconfig.h:
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dnl ==================================================
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dnl
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dnl /*=== Curses version detection defines ===*/
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dnl /* Found some version of curses that we're going to use */
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dnl #undef HAS_CURSES
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dnl
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dnl /* Use SunOS SysV curses? */
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dnl #undef USE_SUNOS_CURSES
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dnl
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dnl /* Use old BSD curses - not used right now */
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dnl #undef USE_BSD_CURSES
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dnl
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dnl /* Use SystemV curses? */
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dnl #undef USE_SYSV_CURSES
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dnl
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dnl /* Use Ncurses? */
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dnl #undef USE_NCURSES
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dnl
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dnl /* If you Curses does not have color define this one */
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dnl #undef NO_COLOR_CURSES
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dnl
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dnl /* Define if you want to turn on SCO-specific code */
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dnl #undef SCO_FLAVOR
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dnl
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dnl /* Set to reflect version of ncurses *
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dnl * 0 = version 1.*
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dnl * 1 = version 1.9.9g
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dnl * 2 = version 4.0/4.1 */
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dnl #undef NCURSES_970530
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dnl
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dnl /*=== End new stuff for acconfig.h ===*/
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dnl
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AC_DEFUN([AC_CHECK_CURSES],[
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search_ncurses=true
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screen_manager=""
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has_curses=false
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CFLAGS=${CFLAGS--O}
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AC_SUBST(CURSES_LIBS)
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AC_SUBST(CURSES_INCLUDEDIR)
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AC_ARG_WITH(sco,
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[ --with-sco Use this to turn on SCO-specific code],[
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if test x$withval = xyes; then
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AC_DEFINE(SCO_FLAVOR, 1, [Define if you want to turn on SCO-specific code])
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CFLAGS="$CFLAGS -D_SVID3"
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fi
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])
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AC_ARG_WITH(sunos-curses,
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[ --with-sunos-curses Used to force SunOS 4.x curses],[
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if test x$withval = xyes; then
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AC_USE_SUNOS_CURSES
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fi
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])
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AC_ARG_WITH(osf1-curses,
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[ --with-osf1-curses Used to force OSF/1 curses],[
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if test x$withval = xyes; then
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AC_USE_OSF1_CURSES
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fi
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])
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AC_ARG_WITH(vcurses,
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[ --with-vcurses[=incdir] Used to force SysV curses],
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if test x$withval != xyes; then
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CURSES_INCLUDEDIR="-I$withval"
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fi
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AC_USE_SYSV_CURSES
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)
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AC_ARG_WITH(ncurses,
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[ --with-ncurses[=dir] Compile with ncurses/locate base dir],
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if test x$withval = xno ; then
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search_ncurses=false
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elif test x$withval != xyes ; then
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CURSES_LIBS="$LIBS -L$withval/lib -lncurses"
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CURSES_INCLUDEDIR="-I$withval/include"
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search_ncurses=false
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screen_manager="ncurses"
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AC_DEFINE(USE_NCURSES, 1, [Use Ncurses?])
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AC_DEFINE(HAS_CURSES, 1, [Found some version of curses that we're going to use])
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has_curses=true
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fi
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)
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if $search_ncurses
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then
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AC_SEARCH_NCURSES()
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fi
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])
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AC_DEFUN([AC_USE_SUNOS_CURSES], [
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search_ncurses=false
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screen_manager="SunOS 4.x /usr/5include curses"
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AC_MSG_RESULT(Using SunOS 4.x /usr/5include curses)
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AC_DEFINE(USE_SUNOS_CURSES, 1, [Use SunOS SysV curses?])
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AC_DEFINE(HAS_CURSES)
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has_curses=true
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AC_DEFINE(NO_COLOR_CURSES, 1, [If your Curses does not have color define this one])
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AC_DEFINE(USE_SYSV_CURSES, 1, [Use SystemV curses?])
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CURSES_INCLUDEDIR="-I/usr/5include"
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CURSES_LIBS="/usr/5lib/libcurses.a /usr/5lib/libtermcap.a"
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AC_MSG_RESULT(Please note that some screen refreshs may fail)
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])
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AC_DEFUN([AC_USE_OSF1_CURSES], [
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AC_MSG_RESULT(Using OSF1 curses)
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search_ncurses=false
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screen_manager="OSF1 curses"
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AC_DEFINE(HAS_CURSES)
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has_curses=true
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AC_DEFINE(NO_COLOR_CURSES)
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AC_DEFINE(USE_SYSV_CURSES)
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CURSES_LIBS="-lcurses"
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])
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AC_DEFUN([AC_USE_SYSV_CURSES], [
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AC_MSG_RESULT(Using SysV curses)
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AC_DEFINE(HAS_CURSES)
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has_curses=true
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AC_DEFINE(USE_SYSV_CURSES)
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search_ncurses=false
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screen_manager="SysV/curses"
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CURSES_LIBS="-lcurses"
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])
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dnl AC_ARG_WITH(bsd-curses,
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dnl [--with-bsd-curses Used to compile with bsd curses, not very fancy],
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dnl search_ncurses=false
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dnl screen_manager="Ultrix/cursesX"
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dnl if test $system = ULTRIX
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dnl then
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dnl THIS_CURSES=cursesX
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dnl else
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dnl THIS_CURSES=curses
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dnl fi
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dnl
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dnl CURSES_LIBS="-l$THIS_CURSES -ltermcap"
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dnl AC_DEFINE(HAS_CURSES)
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dnl has_curses=true
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dnl AC_DEFINE(USE_BSD_CURSES)
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dnl AC_MSG_RESULT(Please note that some screen refreshs may fail)
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dnl AC_MSG_WARN([Use of the bsdcurses extension has some])
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dnl AC_MSG_WARN([display/input problems.])
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dnl AC_MSG_WARN([Reconsider using xcurses])
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dnl)
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dnl
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dnl Parameters: directory filename cureses_LIBS curses_INCLUDEDIR nicename
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dnl
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AC_DEFUN([AC_NCURSES], [
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if $search_ncurses
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then
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if test -f $1/$2
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then
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AC_MSG_RESULT(Found ncurses on $1/$2)
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CURSES_LIBS="$3"
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CURSES_INCLUDEDIR="$4"
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search_ncurses=false
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screen_manager=$5
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AC_DEFINE(HAS_CURSES)
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has_curses=true
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AC_DEFINE(USE_NCURSES)
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fi
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fi
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])
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AC_DEFUN([AC_SEARCH_NCURSES], [
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AS_MESSAGE(checking "location of ncurses.h file"...)
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AC_NCURSES(/usr/include, ncurses.h, -lncurses,, "ncurses on /usr/include")
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AC_NCURSES(/usr/include/ncurses, ncurses.h, -lncurses, -I/usr/include/ncurses, "ncurses on /usr/include/ncurses")
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AC_NCURSES(/usr/local/include, ncurses.h, -L/usr/local/lib -lncurses, -I/usr/local/include, "ncurses on /usr/local")
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AC_NCURSES(/usr/local/include/ncurses, ncurses.h, -L/usr/local/lib -L/usr/local/lib/ncurses -lncurses, -I/usr/local/include/ncurses, "ncurses on /usr/local/include/ncurses")
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AC_NCURSES(/usr/local/include/ncurses, curses.h, -L/usr/local/lib -lncurses, -I/usr/local/include/ncurses -DRENAMED_NCURSES, "renamed ncurses on /usr/local/.../ncurses")
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AC_NCURSES(/usr/include/ncurses, curses.h, -lncurses, -I/usr/include/ncurses -DRENAMED_NCURSES, "renamed ncurses on /usr/include/ncurses")
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dnl
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dnl We couldn't find ncurses, try SysV curses
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dnl
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if $search_ncurses
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then
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AC_EGREP_HEADER(init_color, curses.h,
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AC_USE_SYSV_CURSES)
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AC_EGREP_CPP(USE_NCURSES,[
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#include <curses.h>
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#ifdef __NCURSES_H
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#undef USE_NCURSES
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USE_NCURSES
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#endif
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],[
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CURSES_INCLUDEDIR="$CURSES_INCLUDEDIR -DRENAMED_NCURSES"
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AC_DEFINE(HAS_CURSES)
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has_curses=true
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AC_DEFINE(USE_NCURSES)
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search_ncurses=false
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screen_manager="ncurses installed as curses"
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])
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fi
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dnl
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dnl Try SunOS 4.x /usr/5{lib,include} ncurses
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dnl The flags USE_SUNOS_CURSES, USE_BSD_CURSES and BUGGY_CURSES
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dnl should be replaced by a more fine grained selection routine
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dnl
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if $search_ncurses
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then
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if test -f /usr/5include/curses.h
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then
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AC_USE_SUNOS_CURSES
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fi
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else
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# check for ncurses version, to properly ifdef mouse-fix
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AC_MSG_CHECKING(for ncurses version)
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ncurses_version=unknown
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cat > conftest.$ac_ext <<EOF
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[#]line __oline__ "configure"
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#include "confdefs.h"
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#ifdef RENAMED_NCURSES
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#include <curses.h>
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#else
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#include <ncurses.h>
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#endif
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#undef VERSION
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VERSION:NCURSES_VERSION
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EOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD() |
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egrep "VERSION:" >conftest.out 2>&1; then
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changequote(,)dnl
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ncurses_version=`cat conftest.out|sed -e 's/^[^"]*"//' -e 's/".*//'`
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changequote([,])dnl
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fi
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rm -rf conftest*
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AC_MSG_RESULT($ncurses_version)
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case "$ncurses_version" in
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changequote(,)dnl
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4.[01])
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changequote([,])dnl
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AC_DEFINE(NCURSES_970530,2,
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[Set to reflect version of ncurses:
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0 = version 1.*
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1 = version 1.9.9g
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2 = version 4.0/4.1])
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;;
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1.9.9g)
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AC_DEFINE(NCURSES_970530,1)
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;;
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1*)
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AC_DEFINE(NCURSES_970530,0)
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;;
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esac
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fi
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])
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dnl === END CURSES CHECK
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AC_CHECK_CURSES
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AM_CONDITIONAL(HAS_CURSES, test "$has_curses" = true)
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dnl Checks for libraries.
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dnl Replace `main' with a function in -lcurses:
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dnl AC_CHECK_LIB(curses, main)
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AC_CHECK_HEADER(regex.h, [], [
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AC_MSG_ERROR([necessary header <regex.h> not found])
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])
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dnl Cygwin is a bit peculiar: it has the regcomp() functions, but in a
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dnl separate library, so we have to check for that:
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AC_CHECK_LIB(regex, regcomp)
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dnl Check for a GNOME installation
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AC_DEFUN([AC_CHECK_GNOME],[
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has_gnome=false
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AC_CHECK_PROG(gnome1, gnome-config, true)
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AC_CHECK_PROG(gnome2, pkg-config, true)
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if test x$gnome1 = xtrue; then
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has_gnome=true
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fi
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if test x$gnome2 = xtrue; then
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has_gnome=true
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fi
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AM_CONDITIONAL(USING_GNOME2, pkg-config --exists gtk+-2.0)
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AM_CONDITIONAL(HAS_GNOME, test "$has_gnome" = true)
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AM_CONDITIONAL(GNOME_LINUX, test "$host_os" = Linux)
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])
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AC_CHECK_GNOME
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dnl Checks for header files.
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AC_HEADER_DIRENT
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AC_HEADER_STDC
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AC_CHECK_HEADERS(fcntl.h sys/window.h sys/termios.h unistd.h signal.h floss.h io.h)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_TYPE_MODE_T
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AC_TYPE_PID_T
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AC_TYPE_SIZE_T
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AC_CHECK_TYPE(sighandler_t,[],[],[
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#ifdef HAVE_SIGNAL_H
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# include <signal.h>
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#endif])
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dnl This test was ripped from gnuplot's configure.in:
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AC_MSG_CHECKING(for sigsetjmp)
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <setjmp.h>]], [[jmp_buf env; sigsetjmp(env, 1);]])],[AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_SIGSETJMP,1,
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[ Define if we have sigsetjmp(). ])],[AC_MSG_RESULT(no)])
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dnl Checks for library functions.
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AC_TYPE_SIGNAL
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AC_CHECK_FUNCS(strchr memcpy memset setmode _setmode)
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AC_CHECK_FUNCS(getcwd regcmp regcomp strerror lstat)
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AC_CHECK_FUNCS(fixkeypad)
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HW_FUNC_SNPRINTF
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HW_FUNC_VSNPRINTF
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HW_FUNC_ASPRINTF
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HW_FUNC_VASPRINTF
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case "$host_os" in
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linux*)
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AC_DEFINE(Linux, 1, [We're using some variant of Linux])
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;;
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netbsd*|freebsd*|darwin*)
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AC_DEFINE(BSD, 1, [We're using a BSD-flavoured Unix])
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;;
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esac
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AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile contrib/Makefile])
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AC_OUTPUT
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