"SfR Fresh" - the SfR Freeware/Shareware Archive

Member "slirp-1.0.16/src/configure.in" of archive slirp-1.0.16.tar.gz:

    1 dnl --- Process this file with autoconf to produce a configure script.
    2 AC_INIT(debug.c)
    3 AC_CONFIG_HEADER(config.h)
    4 
    5 echo "Reminder: If you don't want PPP compiled in, run configure with the option --disable-ppp"
    6 
    7 dnl -
    8 dnl - First, extract the version
    9 dnl -
   10 AC_MSG_CHECKING(version)
   11 version=`cat ${srcdir}/version.h | sed -ne '1 s/.* \"\(.*\)\"/\1/; 1 p'`
   12 AC_SUBST(version)
   13 AC_MSG_RESULT($version)
   14 
   15 dnl -
   16 dnl - This error happens so often I should tell them what's going on
   17 dnl - Use as "eval $CROSS_ERROR"
   18 dnl -
   19 CROSS_ERROR="echo ;\
   20 echo Error: could not execute test program;\
   21 echo ;\
   22 echo This error occurs when either:;\
   23 echo 1\) You are cross-compiling, in which case don\'t.  Slirp needs to execute;\
   24 echo \ \ \ test programs to figure some things out\; or;\
   25 echo 2\) There is a problem with your compiler setup, in which case you should;\
   26 echo \ \ \ ask your sysadmin for help.  You might also want to send her the;\
   27 echo \ \ \ resulting config.log file for clues.; exit 1"
   28 
   29 dnl -
   30 dnl - Checks for programs.
   31 dnl -
   32 dnl AC_PROG_MAKE_SET
   33 AC_PROG_CC
   34 AC_PROG_CPP
   35 dnl -XXX Must fix this.  Some cc's -Wxxxx, -O2, etc.  Should check
   36 dnl -XXX them individually?
   37 dnl - Warn about not compiling with GCC.  Somehow, GCC's better at things.
   38 dnl - But then, that's just me. --RedWolf
   39 if test x$GCC = xyes; then
   40 	CFLAGS2="-O2 -Wall -Wno-implicit -Wmissing-prototypes"
   41 else
   42 	CFLAGS2="-O"
   43 	echo "WARNING:  Not using GCC to compile may be hazzardous to your health."
   44 	echo "          If you can get Slirp to compile and run w/o GCC, notify us so"
   45 	echo "          we can test for which compiler you're using.  RedWolf recommends"
   46 	echo "          installing GCC anyway if you don't have it."
   47 fi
   48 AC_PROG_GCC_TRADITIONAL
   49 dnl AC_PROG_INSTALL
   50 if test x$cross_compiling = xyes; then
   51 	eval $CROSS_ERROR
   52 fi
   53 dnl - Check for perl 5
   54 AC_PATH_PROG(PERL, perl, no)
   55 if test x$PERL = xno; then
   56 	MAKEPRO='touch $@'
   57 else
   58 	AC_MSG_CHECKING(whether perl is version 5 or greater)
   59 	AC_CACHE_VAL(sr_cv_perl5, sr_cv_perl5=check)
   60 	if test x$sr_cv_perl5 = xcheck; then
   61 		eval "$PERL -e '$] < 5.000 && exit 1'"
   62 		if test $? = 1; then
   63 			sr_cv_perl5=no
   64 		else
   65 			sr_cv_perl5=yes
   66 		fi
   67 	fi
   68 	if test x$sr_cv_perl5 = xyes; then
   69 		MAKEPRO='$(CPP) $< | $(MKPRO) > $@.bak && mv -f $@.bak $@'
   70 		AC_MSG_RESULT(yes)
   71 	else
   72 		MAKEPRO='touch $@'
   73 		AC_MSG_RESULT(no - prototypes will not be dynamically extracted)
   74 	fi
   75 fi
   76 AC_SUBST(MAKEPRO)
   77 
   78 AC_MSG_CHECKING(whether you are compiling on NeXT)
   79 AC_CACHE_VAL(sr_cv_next, sr_cv_next=check)
   80 if test x$sr_cv_next = xcheck; then
   81 AC_TRY_RUN([
   82 int main() {
   83 #ifdef NeXT
   84 	return 1;
   85 #else
   86 	return 0;
   87 #endif
   88 }], sr_cv_next=no,
   89     sr_cv_next=yes,
   90     eval $CROSS_ERROR)
   91 fi
   92 AC_MSG_RESULT($sr_cv_next)
   93 if test x$sr_cv_next = xyes; then
   94 	DASH_POSIX="-posix"
   95 	AC_SUBST(DASH_POSIX)
   96 	LDFLAGS="-posix $LDFLAGS"
   97 fi
   98 
   99 dnl -
  100 dnl - Some systems have a sprintf which returns char *
  101 dnl -
  102 AC_MSG_CHECKING(whether sprintf returns int)
  103 AC_CACHE_VAL(sr_cv_sprintf_int, sr_cv_sprintf_int=check)
  104 if test x$sr_cv_sprintf_int = xcheck; then
  105 AC_TRY_RUN([
  106 #include <stdio.h>
  107 int main () {
  108 char buff[1];
  109 int ret;
  110 ret = (int)sprintf(buff,"");
  111 if (ret == 0)
  112 	exit(1);
  113 else
  114 	exit(0);
  115 }], sr_cv_sprintf_int=no,
  116     sr_cv_sprintf_int=yes,
  117     eval $CROSS_ERROR)
  118 fi
  119 if test x$sr_cv_sprintf_int = xno; then
  120 	AC_DEFINE(BAD_SPRINTF)
  121 fi
  122 AC_MSG_RESULT($sr_cv_sprintf_int)
  123 
  124 dnl -
  125 dnl - Some systems need sprintf/fprintf declared, others complain
  126 dnl - when you do *sigh*
  127 dnl -
  128 AC_MSG_CHECKING(whether sprintf/fprintf need to be declared)
  129 AC_CACHE_VAL(sr_cv_sprintf_declare, sr_cv_sprintf_declare=check)
  130 if test x$sr_cv_sprintf_declare = xcheck; then
  131 AC_TRY_RUN([#include <stdio.h>
  132 int main () {
  133 	int (*tmp1)();
  134 	int (*tmp2)();
  135 	
  136 	tmp1 = (int (*)())fprintf;
  137 	tmp2 = (int (*)())sprintf;
  138 	
  139 	exit(0);
  140 }], sr_cv_sprintf_declare=no,
  141     sr_cv_sprintf_declare=yes,
  142     eval $CROSS_ERROR)
  143 fi
  144 if test x$sr_cv_sprintf_declare = xyes; then
  145 	AC_DEFINE(DECLARE_SPRINTF)
  146 fi
  147 AC_MSG_RESULT($sr_cv_sprintf_declare)
  148 
  149 dnl -
  150 dnl - Check whether gettimeofday takes two arguments
  151 dnl -
  152 AC_MSG_CHECKING(whether gettimeofday takes two arguments)
  153 AC_CACHE_VAL(sr_cv_gettimeofday, sr_cv_gettimeofday=check)
  154 if test x$sr_cv_gettimeofday = xcheck; then
  155 AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((void *)0, (void *)0);],
  156 	sr_cv_gettimeofday=yes,
  157 	sr_cv_gettimeofday=no)
  158 fi
  159 if test x$sr_cv_gettimeofday = xno; then
  160 	AC_DEFINE(GETTIMEOFDAY_ONE_ARG)
  161 fi
  162 AC_MSG_RESULT($sr_cv_gettimeofday)
  163 
  164 dnl -
  165 dnl - Check memcmp
  166 dnl -
  167 AC_FUNC_MEMCMP
  168 
  169 dnl -
  170 dnl - Check for libraries
  171 dnl -
  172 AC_CHECK_LIB(nsl, main)
  173 AC_CHECK_LIB(socket, main)
  174 AC_CHECK_LIB(posix, main)
  175 AC_CHECK_LIB(crypt, main)
  176 
  177 dnl -
  178 dnl - Check for unix domain sockets
  179 dnl -
  180 AC_MSG_CHECKING(for unix-domain sockets)
  181 AC_CACHE_VAL(sr_cv_unix_sockets, sr_cv_unix_sockets=check)
  182 if test x$sr_cv_unix_sockets = xcheck; then
  183 AC_TRY_RUN([
  184 #include <stdio.h>
  185 #include <sys/types.h>
  186 #include <sys/un.h>
  187 #include <sys/socket.h>
  188 int main () {
  189 	if (socket(AF_UNIX, SOCK_STREAM, 0) < 0)
  190 		exit(1);
  191 	else
  192 		exit(0);
  193 }], sr_cv_unix_sockets=yes,
  194     sr_cv_unix_sockets=no,
  195     eval $CROSS_ERROR)
  196 fi
  197 if test x$sr_cv_unix_sockets = xno; then
  198 	AC_DEFINE(NO_UNIX_SOCKETS)
  199 fi
  200 AC_MSG_RESULT($sr_cv_unix_sockets)
  201 
  202 dnl -
  203 dnl - Check for header files
  204 dnl -
  205 AC_HEADER_TIME
  206 AC_HEADER_SYS_WAIT
  207 AC_CHECK_HEADERS([sys/ioctl.h unistd.h stdlib.h sys/filio.h sys/select.h string.h sys/signal.h sys/bitypes.h termios.h sys/stropts.h sys/types32.h])
  208 AC_C_BIGENDIAN
  209 
  210 dnl -
  211 dnl - Check for typedefs, structures, and compiler characteristics
  212 dnl -
  213 AC_C_CONST
  214 AC_C_INLINE
  215 AC_MSG_CHECKING(whether u_int32_t etc. need to be typedef'd)
  216 if test x$ac_cv_header_sys_bitypes_h = xyes; then
  217 	INC_BITYPES='#include <sys/bitypes.h>'
  218 fi
  219 AC_CACHE_VAL(sr_cv_need_typedefs, sr_cv_need_typedefs=check)
  220 if test x$sr_cv_need_typedefs = xcheck; then
  221 AC_TRY_COMPILE([#include <sys/types.h>
  222 $INC_BITYPES
  223 #include <arpa/inet.h>], [u_int32_t foo = 0;],
  224    sr_cv_need_typedefs=no,
  225    sr_cv_need_typedefs=yes)
  226 fi
  227 AC_MSG_RESULT($sr_cv_need_typedefs)
  228 if test x$sr_cv_need_typedefs = xyes; then
  229 	AC_DEFINE(NEED_TYPEDEFS)
  230 	AC_CHECK_SIZEOF(char)
  231 	if test x$ac_cv_sizeof_char != x1; then
  232 		echo "Error: something is wrong with configure!"
  233 		echo "sizeof(char) is '$ac_cv_sizeof_char', not 1!"
  234 	exit 1
  235 	fi
  236 	AC_CHECK_SIZEOF(short)
  237 	AC_CHECK_SIZEOF(int)
  238 fi
  239 AC_CHECK_SIZEOF(char *)
  240 
  241 dnl -
  242 dnl - Check for library functions
  243 dnl -
  244 dnl XXX AC_FUNC_VPRINTF
  245 AC_CHECK_FUNCS(strdup strerror random srandom index bcmp drand48 memmove setenv inet_aton revoke grantpt fchmod)
  246 AC_REPLACE_FUNCS(strtoul)
  247 AC_CHECK_FUNC(readv, AC_DEFINE(HAVE_READV),
  248   AC_MSG_CHECKING(whether iovec needs to be declared)
  249   AC_CACHE_VAL(sr_cv_declare_iovec, sr_cv_declare_iovec=check)
  250   if test x$sr_cv_declare_iovec = xcheck; then
  251     AC_TRY_RUN([#include <sys/uio.h>
  252       struct iovec { int blah; }
  253       int main (void) {
  254           exit(0);
  255       }], sr_cv_declare_iovec=yes,
  256           sr_cv_declare_iovec=no,
  257 	  eval $CROSS_ERROR)
  258   fi
  259   if test x$sr_cv_declare_iovec = xyes; then
  260       AC_DEFINE(DECLARE_IOVEC)
  261   fi
  262   AC_MSG_RESULT($sr_cv_declare_iovec)
  263 )
  264 
  265 AC_MSG_CHECKING(for gethostid)
  266 AC_CACHE_VAL(sr_cv_gethostid, sr_cv_gethostid=check)
  267 if test x$sr_cv_gethostid = xcheck; then
  268 AC_TRY_RUN([
  269 int main() {
  270 	gethostid();
  271 	return 0;
  272 }], sr_cv_gethostid=yes,
  273     sr_cv_gethostid=no,
  274     eval $CROSS_ERROR)
  275 fi
  276 AC_MSG_RESULT($sr_cv_gethostid)
  277 if test x$sr_cv_gethostid = xyes; then
  278 	AC_DEFINE(HAVE_GETHOSTID)
  279 fi
  280 
  281 AC_ARG_ENABLE(ppp, --disable-ppp       don't compile in ppp, [], [
  282 	PPPOBJ='$(PPPOBJS)'
  283 	USE_PPP=-DUSE_PPP
  284 	AC_DEFINE(DUMMY_PPP)])
  285 AC_SUBST(PPPOBJ)
  286 AC_SUBST(USE_PPP)
  287 
  288 dnl -XXXXX will be fixed in a better way
  289 dnl Quick hack for alpha
  290 UNAME_MACHINE=`uname -m 2>/dev/null`
  291 UNAME_SYSTEM=`uname -s 2>/dev/null`
  292 case "${UNAME_MACHINE}:${UNAME_SYSTEM}" in
  293   alpha:OSF1)	
  294 	if test x$GCC = xyes; then
  295 		LDFLAGS="$LDFLAGS -T 0x12000000 -Wl,-D -Wl,0x14000000"
  296 	else
  297 		LDFLAGS="$LDFLAGS -T 0x12000000 -D 0x14000000"
  298 	fi ;;
  299   *)		;;
  300 esac
  301 
  302 
  303 dnl -
  304 dnl - Do substitutions
  305 dnl - In compiling PPP code, we don't want full warnings
  306 dnl -
  307 AC_SUBST(CFLAGS2)
  308 PPPCFLAGS="`echo $CFLAGS $CFLAGS2 | sed -e 's/-W.*//g;'`"
  309 AC_SUBST(PPPCFLAGS)
  310 
  311 AC_OUTPUT(Makefile)