216 lines
5.7 KiB
Plaintext
216 lines
5.7 KiB
Plaintext
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dnl Process this file with autoconf to produce a configure script.
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AC_INIT(src/act.comm.c)
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AC_SUBST(MYFLAGS)
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AC_SUBST(NETLIB)
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AC_SUBST(CRYPTLIB)
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AC_CONFIG_HEADER(src/conf.h)
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AC_DEFINE(CIRCLE_UNIX)
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dnl Find the 'more' program
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AC_CHECK_PROGS(MORE, less most more cat)
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dnl Checks for programs.
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AC_PROG_CC
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dnl If we're using gcc, use gcc options.
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dnl If not, test for various common switches to make a 'cc' compiler
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dnl compile ANSI C code.
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if test $ac_cv_prog_gcc = yes; then
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dnl Determine if gcc -Wall causes warnings on isascii(), etc.
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AC_CACHE_CHECK(whether ${CC-cc} -Wall also needs -Wno-char-subscripts,
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ac_cv_char_warn,
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[
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OLDCFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -Wall -Werror"
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AC_TRY_COMPILE([#include <ctype.h>],
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[ int i; char c = '0';
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i = isascii(c);
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i = isdigit(c);
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i = isprint(c);
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], ac_cv_char_warn=no, ac_cv_char_warn=yes)
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CFLAGS=$OLDCFLAGS
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])
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dnl If Determine if gcc can accept -Wno-char-subscripts
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AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-char-subscripts, ac_cv_gcc_ncs,
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[
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OLDCFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -Wno-char-subscripts"
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AC_TRY_COMPILE(, , ac_cv_gcc_ncs=yes, ac_cv_gcc_ncs=no)
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CFLAGS=$OLDCFLAGS
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])
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dnl If Determine if gcc can accept -fno-builtin
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AC_CACHE_CHECK(whether ${CC-cc} accepts -fno-builtin, ac_cv_gcc_fnb,
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[
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OLDCFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -fno-builtin"
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AC_TRY_COMPILE(, , ac_cv_gcc_fnb=yes, ac_cv_gcc_fnb=no)
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CFLAGS=$OLDCFLAGS
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])
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dnl If gcc -Wall gives no warnings with isascii(), use "-Wall";
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dnl Otherwise, if gcc -Wall gives isascii warnings:
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dnl If we can use -Wno-char-subscripts, use "-Wall -Wno-char-subscripts"
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dnl If can't use -Wno-char-subscripts, use no flags at all.
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if test ${ac_cv_char_warn:-ERROR} = no; then
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MYFLAGS="-Wall"
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else
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if test ${ac_cv_gcc_ncs:-ERROR} = yes; then
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MYFLAGS="-Wall -Wno-char-subscripts"
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else
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MYFLAGS=""
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fi
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fi
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else
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dnl We aren't using gcc so we can't assume any special flags.
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MYFLAGS=""
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fi
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dnl Checks for libraries. We check for the library only if the function is
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dnl not available without the library.
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AC_CHECK_FUNC(gethostbyaddr, ,
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[AC_CHECK_LIB(nsl, gethostbyaddr, NETLIB="-lnsl $NETLIB")])
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AC_CHECK_FUNC(socket, ,
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[AC_CHECK_LIB(socket, socket, NETLIB="-lsocket $NETLIB")])
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AC_CHECK_FUNC(malloc, ,
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[AC_CHECK_LIB(malloc, malloc)])
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AC_CHECK_FUNC(crypt, AC_DEFINE(CIRCLE_CRYPT),
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[AC_CHECK_LIB(crypt, crypt, AC_DEFINE(CIRCLE_CRYPT) CRYPTLIB="-lcrypt")]
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)
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_HEADER_SYS_WAIT
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AC_CHECK_HEADERS(fcntl.h sys/fcntl.h errno.h net/errno.h string.h strings.h)
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AC_CHECK_HEADERS(limits.h sys/time.h sys/select.h sys/types.h unistd.h)
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AC_CHECK_HEADERS(memory.h crypt.h assert.h arpa/telnet.h arpa/inet.h)
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AC_CHECK_HEADERS(sys/stat.h sys/socket.h sys/resource.h netinet/in.h netdb.h)
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AC_CHECK_HEADERS(signal.h sys/uio.h mcheck.h)
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AC_UNSAFE_CRYPT
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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_PID_T
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AC_TYPE_SIZE_T
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AC_CHECK_TYPE(ssize_t, int)
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AC_HEADER_TIME
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dnl Check for the 'struct in_addr' definition. Ugly, yes.
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if test $ac_cv_header_netinet_in_h = no; then
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ac_cv_struct_in_addr = no
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else
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if test $ac_cv_header_sys_types_h = yes; then
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headers=`cat << EOF
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#include <sys/types.h>
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#include <netinet/in.h>
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EOF
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`
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else
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headers="#include <netinet/in.h>"
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fi
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AC_CACHE_CHECK([for struct in_addr], ac_cv_struct_in_addr,
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[ AC_TRY_COMPILE([$headers],[struct in_addr tp; tp.s_addr;], ac_cv_struct_in_addr=yes, ac_cv_struct_in_addr=no)])
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if test $ac_cv_struct_in_addr = yes; then
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AC_DEFINE(HAVE_STRUCT_IN_ADDR)
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fi
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fi
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dnl Check for the 'typedef socklen_t' definition. Even uglier, yes.
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if test $ac_cv_header_sys_socket_h = no; then
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ac_cv_socklen_t = no;
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else
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AC_CACHE_CHECK([for typedef socklen_t], ac_cv_socklen_t,
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[ AC_TRY_COMPILE([#include <sys/socket.h>],[socklen_t sl; sl=0;], ac_cv_socklen_t=yes, ac_cv_socklen_t=no)])
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fi
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if test $ac_cv_socklen_t = no; then
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AC_DEFINE(socklen_t, int)
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fi
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dnl Checks for library functions.
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AC_TYPE_SIGNAL
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AC_FUNC_VPRINTF
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AC_CHECK_FUNCS(gettimeofday select snprintf strcasecmp strdup strerror stricmp strlcpy strncasecmp strnicmp strstr vsnprintf)
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dnl Check for functions that parse IP addresses
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ORIGLIBS=$LIBS
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LIBS="$LIBS $NETLIB"
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AC_CHECK_FUNCS(inet_addr inet_aton)
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LIBS=$ORIGLIBS
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dnl Check for prototypes
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AC_CHECK_PROTO(accept)
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AC_CHECK_PROTO(atoi)
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AC_CHECK_PROTO(atol)
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AC_CHECK_PROTO(bind)
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AC_CHECK_PROTO(bzero)
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AC_CHECK_PROTO(chdir)
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AC_CHECK_PROTO(close)
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AC_CHECK_PROTO(crypt)
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AC_CHECK_PROTO(fclose)
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AC_CHECK_PROTO(fcntl)
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AC_CHECK_PROTO(fflush)
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AC_CHECK_PROTO(fprintf)
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AC_CHECK_PROTO(fputc)
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AC_CHECK_PROTO(fputs)
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AC_CHECK_PROTO(fread)
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AC_CHECK_PROTO(fscanf)
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AC_CHECK_PROTO(fseek)
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AC_CHECK_PROTO(fwrite)
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AC_CHECK_PROTO(getpeername)
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AC_CHECK_PROTO(getpid)
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AC_CHECK_PROTO(getrlimit)
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AC_CHECK_PROTO(getsockname)
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AC_CHECK_PROTO(gettimeofday)
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AC_CHECK_PROTO(htonl)
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AC_CHECK_PROTO(htons)
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AC_CHECK_PROTO(inet_addr)
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AC_CHECK_PROTO(inet_aton)
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AC_CHECK_PROTO(inet_ntoa)
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AC_CHECK_PROTO(listen)
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AC_CHECK_PROTO(ntohl)
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AC_CHECK_PROTO(perror)
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AC_CHECK_PROTO(printf)
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AC_CHECK_PROTO(qsort)
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AC_CHECK_PROTO(read)
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AC_CHECK_PROTO(remove)
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AC_CHECK_PROTO(rewind)
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AC_CHECK_PROTO(select)
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AC_CHECK_PROTO(setitimer)
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AC_CHECK_PROTO(setrlimit)
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AC_CHECK_PROTO(setsockopt)
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AC_CHECK_PROTO(snprintf)
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AC_CHECK_PROTO(socket)
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AC_CHECK_PROTO(sprintf)
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AC_CHECK_PROTO(sscanf)
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AC_CHECK_PROTO(strcasecmp)
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AC_CHECK_PROTO(strdup)
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AC_CHECK_PROTO(strerror)
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AC_CHECK_PROTO(stricmp)
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AC_CHECK_PROTO(strlcpy)
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AC_CHECK_PROTO(strncasecmp)
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AC_CHECK_PROTO(strnicmp)
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AC_CHECK_PROTO(system)
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AC_CHECK_PROTO(time)
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AC_CHECK_PROTO(unlink)
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AC_CHECK_PROTO(vsnprintf)
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AC_CHECK_PROTO(write)
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AC_OUTPUT(src/Makefile src/util/Makefile)
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#
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echo "Configuration completed. To compile, type: cd src; make"
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