configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2
   3 AC_INIT(thttpd.c)
   4
   5 AC_CANONICAL_SYSTEM
   6
   7 AC_PROG_CC
   8
   9 V_CCOPT="-O"
  10 if test "$GCC" = yes ; then
  11         AC_MSG_CHECKING(gcc version)
  12         AC_CACHE_VAL(ac_cv_lbl_gcc_vers,
  13             ac_cv_lbl_gcc_vers=`$CC -dumpversion 2>&1 | \
  14                 sed -e 's/\..*//'`)
  15         AC_MSG_RESULT($ac_cv_lbl_gcc_vers)
  16         if test "$ac_cv_lbl_gcc_vers" -gt 1 ; then
  17                 V_CCOPT="-O2"
  18         fi
  19 fi
  20 if test -f .devel ; then
  21         V_CCOPT="-g $V_CCOPT -ansi -pedantic -U__STRICT_ANSI__ -Wall -Wpointer-arith -Wshadow -Wcast-qual -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wno-long-long"
  22 fi
  23
  24 dnl
  25 dnl maybe this should be a loop
  26 dnl
  27 AC_MSG_CHECKING(how to link static binaries)
  28 AC_CACHE_VAL(ac_cv_lbl_static_flag,
  29     ac_cv_lbl_static_flag=unknown
  30     echo 'main() {}' > conftest.c
  31     if test "$GCC" != yes ; then
  32             trial_flag="-Bstatic"
  33             test=`$CC $trial_flag -o conftest conftest.c 2>&1`
  34             if test -z "$test" ; then
  35                     ac_cv_lbl_static_flag="$trial_flag"
  36             fi
  37             rm -f conftest
  38     fi
  39     if test "$ac_cv_lbl_static_flag" = unknown ; then
  40             trial_flag="-static"
  41             test=`$CC $trial_flag -o conftest conftest.c 2>&1`
  42             if test -z "$test" ; then
  43                     ac_cv_lbl_static_flag="$trial_flag"
  44             fi
  45             rm -f conftest
  46     fi
  47     rm conftest.c)
  48 AC_MSG_RESULT($ac_cv_lbl_static_flag)
  49 if test "$ac_cv_lbl_static_flag" != unknown ; then
  50         V_STATICFLAG="$ac_cv_lbl_static_flag"
  51 fi
  52
  53 AC_MSG_CHECKING(for __progname)
  54 AC_CACHE_VAL(ac_cv_extern__progname,
  55     AC_TRY_LINK([],
  56         [extern char *__progname;
  57         puts(__progname)],
  58         ac_cv_extern__progname=yes,
  59         ac_cv_extern__progname=no))
  60 if test $ac_cv_extern__progname = yes ; then
  61         AC_DEFINE(HAVE__PROGNAME)
  62         AC_MSG_RESULT(yes)
  63 else
  64         AC_MSG_RESULT(no)
  65 fi
  66
  67 AC_CHECK_HEADERS(fcntl.h grp.h memory.h paths.h poll.h sys/poll.h sys/devpoll.h sys/event.h osreldate.h)
  68 AC_HEADER_TIME
  69 AC_HEADER_DIRENT
  70
  71 d="/usr/local/v6/lib"
  72 AC_MSG_CHECKING(for $d)
  73 if test -d $d; then
  74         AC_MSG_RESULT(yes (Adding -L$d to LDFLAGS))
  75         LDFLAGS="$LDFLAGS -L$d"
  76 else
  77         AC_MSG_RESULT(no)
  78 fi
  79
  80 dnl
  81 dnl Most operating systems have gethostbyname() in the default searched
  82 dnl libraries (i.e. libc):
  83 dnl
  84 V_NETLIBS=""
  85 AC_CHECK_FUNC(gethostbyname, ,
  86     # Some OSes (eg. Solaris) place it in libnsl:
  87     AC_LBL_CHECK_LIB(nsl, gethostbyname,
  88         V_NETLIBS="-lnsl $V_NETLIBS",
  89         # Some strange OSes (SINIX) have it in libsocket:
  90         AC_LBL_CHECK_LIB(socket, gethostbyname,
  91             V_NETLIBS="-lsocket $V_NETLIBS",
  92             # Unfortunately libsocket sometimes depends on libnsl.
  93             # AC_CHECK_LIB's API is essentially broken so the
  94             # following ugliness is necessary:
  95             AC_LBL_CHECK_LIB(socket, gethostbyname,
  96                 V_NETLIBS="-lsocket -lnsl $V_NETLIBS",
  97                 AC_CHECK_LIB(resolv, gethostbyname,
  98                     V_NETLIBS="-lresolv $V_NETLIBS"),
  99                 -lnsl))))
 100 AC_CHECK_FUNC(socket, ,
 101     AC_CHECK_LIB(socket, socket,
 102         V_NETLIBS="-lsocket $V_NETLIBS",
 103         AC_LBL_CHECK_LIB(socket, socket,
 104             V_NETLIBS="-lsocket -lnsl $V_NETLIBS", , -lnsl)))
 105
 106 AC_CHECK_LIB(inet6, main)
 107
 108 AC_CHECK_FUNC(crypt, , AC_CHECK_LIB(crypt, crypt))
 109 AC_CHECK_FUNC(hstrerror, ,
 110     AC_CHECK_LIB(resolv, hstrerror, V_NETLIBS="-lresolv $V_NETLIBS"))
 111
 112 AC_REPLACE_FUNCS(strerror)
 113 AC_CHECK_FUNCS(waitpid vsnprintf daemon setsid setlogin getaddrinfo getnameinfo gai_strerror kqueue sigset atoll)
 114 AC_FUNC_MMAP
 115
 116 case "$target_os" in
 117 solaris*)
 118         dnl Solaris's select() is a bad wrapper routine.
 119         AC_CHECK_FUNCS(poll)
 120         ;;
 121 *)
 122         AC_CHECK_FUNCS(select poll)
 123         ;;
 124 esac
 125
 126 AC_ACME_TM_GMTOFF
 127 AC_ACME_INT64T
 128 AC_ACME_SOCKLENT
 129
 130 AC_PROG_MAKE_SET
 131 AC_PROG_INSTALL
 132
 133 AC_SUBST(DEFS)
 134 AC_SUBST(V_CCOPT)
 135 AC_SUBST(V_STATICFLAG)
 136 AC_SUBST(V_NETLIBS)
 137
 138 AC_OUTPUT(Makefile cgi-src/Makefile extras/Makefile)