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- dnl Process this file with autoconf to produce a configure script.
- AC_INIT(forwback.c)
- AC_CONFIG_HEADER(defines.h)
-
- dnl Checks for programs.
- AC_PROG_CC
- AC_GCC_TRADITIONAL
- AC_PROG_INSTALL
-
- dnl Checks for libraries.
- TERMLIBS=
- AC_HAVE_LIBRARY(curses, [TERMLIBS="$TERMLIBS -lcurses"])
- AC_HAVE_LIBRARY(termcap, [TERMLIBS="$TERMLIBS -ltermcap"])
- AC_HAVE_LIBRARY(termlib, [have_termlib=yes], [have_termlib=no])
- dnl Regular expressions (regcmp) are in -lgen on Solaris 2,
- dnl and in -lintl on SCO Unix.
- AC_HAVE_LIBRARY(gen, [LIBS="$LIBS -lgen"])
- AC_HAVE_LIBRARY(intl, [LIBS="$LIBS -lintl"])
- dnl ??? AC_HAVE_LIBRARY(gnuregex, [LIBS="$LIBS -lgnuregex"])
-
- dnl Solaris has curses & termcap, but they don't work without libucb
- dnl which is broken, so we use termlib.
- AC_CHECKING(termlib)
- SAVE_LIBS=$LIBS
- LIBS="$LIBS $TERMLIBS"
- AC_COMPILE_CHECK(, , [tgetent(0); tgetflag(0); tgetnum(0); tgetstr(0);],
- [termok=yes], [termok=no])
- if test $termok = no; then
- LIBS="$SAVE_LIBS"
- if test $have_termlib = yes; then
- LIBS="$LIBS -ltermlib"
- fi
- fi
-
- dnl Checks for header files.
- AC_STDC_HEADERS
- AC_HAVE_HEADERS(ctype.h errno.h fcntl.h stdio.h termcap.h termio.h termios.h time.h unistd.h values.h sys/ioctl.h sys/stream.h sys/ptem.h)
-
- dnl Checks for identifiers.
- AC_OFF_T
- AC_COMPILE_CHECK(void, , [void *foo = 0;],
- [AC_DEFINE(HAVE_VOID)])
- AC_COMPILE_CHECK(time_t, [#include <time.h>], [time_t t = 0;],
- [AC_DEFINE(HAVE_TIME_T)])
-
- dnl Checks for functions and external variables.
- AC_RETSIGTYPE
- AC_HAVE_FUNCS(_setjmp system sigsetmask memcpy strchr)
- dnl Some systems have termios.h but not the corresponding functions.
- AC_FUNC_CHECK(tcgetattr, AC_DEFINE(HAVE_TERMIOS_FUNCS))
- AC_COMPILE_CHECK(strerror, [
- #if HAVE_STDIO_H
- #include <stdio.h>
- #endif
- #if HAVE_STRING_H
- #include <string.h>
- #endif
- #if HAVE_ERRNO_H
- #include <errno.h>
- #endif], [static char *x; x = strerror(0);],
- [AC_DEFINE(HAVE_STRERROR)])
- AC_COMPILE_CHECK(, , [extern int sys_errlist; static int x; x = sys_errlist;],
- [AC_DEFINE(HAVE_SYS_ERRLIST)])
- AC_COMPILE_CHECK(, , [extern int errno; static int x; x = errno;],
- [AC_DEFINE(HAVE_ERRNO)])
- AC_COMPILE_CHECK(locale, [#include <locale.h>
- #include <ctype.h>], [setlocale(LC_CTYPE,""); isprint(0); iscntrl(0);],
- [AC_DEFINE(HAVE_LOCALE)])
- AC_COMPILE_CHECK(ctype, [
- #if HAVE_CTYPE_H
- #include <ctype.h>
- #endif], [static int x; x = isupper(x); x = tolower(x); x = toupper(x);],
- [AC_DEFINE(HAVE_UPPER_LOWER)])
-
- have_ospeed=no
- AC_CHECKING(termcap for ospeed)
- AC_COMPILE_CHECK(, [
- #include <sys/types.h>
- #if HAVE_TERMIOS_H
- #include <termios.h>
- #endif
- #if HAVE_TERMCAP_H
- #include <termcap.h>
- #endif], [ospeed = 0;], [AC_DEFINE(HAVE_OSPEED) have_ospeed=yes])
- if test $have_ospeed = no; then
- AC_COMPILE_CHECK(, , [extern short ospeed; ospeed = 0;],
- [AC_DEFINE(HAVE_OSPEED) AC_DEFINE(MUST_DEFINE_OSPEED)])
- fi
-
-
- dnl Checks for regular expression functions.
- have_regex=no
- AC_CHECKING(for POSIX regex.h)
- AC_COMPILE_CHECK(, [#include <sys/types.h>
- #include <regex.h>],
- [regex_t *r; regfree(r);],
- AC_DEFINE(HAVE_POSIX_REGCOMP) have_regex=yes)
- if test $have_regex = no; then
- AC_FUNC_CHECK(regcmp, AC_DEFINE(HAVE_REGCMP) have_regex=yes)
- fi
- if test $have_regex = no; then
- AC_COMPILE_CHECK(, [#include "regexp.h"], [regcomp("");],
- AC_DEFINE(HAVE_V8_REGCOMP) have_regex=yes)
- fi
- if test $have_regex = no && test -f ${srcdir}/regex.c; then
- AC_DEFINE(HAVE_POSIX_REGCOMP) REGEX_O='regex.$(O)' AC_SUBST(REGEX_O) have_regex=yes
- fi
- if test $have_regex = no && test -f ${srcdir}/regexp.c; then
- AC_DEFINE(HAVE_V8_REGCOMP) REGEX_O='regexp.$(O)' AC_SUBST(REGEX_O) have_regex=yes
- fi
- if test $have_regex = no; then
- AC_FUNC_CHECK(re_comp, AC_DEFINE(HAVE_RE_COMP) have_regex=yes)
- fi
- if test $have_regex = no; then
- AC_DEFINE(NO_REGEX)
- fi
-
- AC_OUTPUT(Makefile)
-