configure.in

   1 ad
   2 dnl Process this file with autoconf to produce a configure script.
   3 dnl The ONLY thing this is used for is to configure for different
   4 dnl linux architectures and configurations, it is not used to make the
   5 dnl code more portable
   6
   7 dnl You MUST have an environment that has all the POSIX functions and
   8 dnl some of the more populare bsd/sysv ones (like select). You'll also
   9 dnl need a C++ compiler that is semi-standard conformant, exceptions are
  10 dnl not used but STL is.
  11
  12 dnl 'make -f Makefile startup' will generate the configure file from
  13 dnl configure.in correctly and can be run at any time
  14
  15 AC_PREREQ(2.50)
  16 AC_INIT(configure.in)
  17 AC_CONFIG_AUX_DIR(buildlib)
  18 AC_CONFIG_HEADER(include/config.h:buildlib/config.h.in include/apti18n.h:buildlib/apti18n.h.in)
  19
  20 dnl -- SET THIS TO THE RELEASE VERSION --
  21 AC_DEFINE_UNQUOTED(VERSION,"0.5.31")
  22 PACKAGE="apt"
  23 AC_DEFINE_UNQUOTED(PACKAGE,"$PACKAGE")
  24 AC_SUBST(PACKAGE)
  25
  26 dnl Check the archs, we want the target type.
  27 AC_CANONICAL_SYSTEM
  28
  29 dnl Check our C compiler
  30 AC_CHECK_TOOL_PREFIX
  31 AC_PROG_CC
  32 AC_ISC_POSIX
  33
  34 dnl Check for other programs
  35 AC_PROG_CXX
  36 AC_PROG_CPP
  37 AC_PROG_RANLIB
  38 AC_CHECK_TOOL(AR,ar,"ar")
  39
  40 dnl Checks for sockets
  41 SAVE_LIBS="$LIBS"
  42 LIBS=""
  43 AC_SEARCH_LIBS(gethostbyname,nsl)
  44 AC_SEARCH_LIBS(connect,socket)
  45 SOCKETLIBS="$LIBS"
  46 AC_SUBST(SOCKETLIBS)
  47 LIBS="$SAVE_LIBS"
  48
  49 dnl Checks for pthread -- disabled due to glibc bugs jgg
  50 dnl AC_CHECK_LIB(pthread, pthread_create,[AC_DEFINE(HAVE_PTHREAD) PTHREADLIB="-lpthread"])
  51 AC_SUBST(PTHREADLIB)
  52 dnl if test "$PTHREADLIB" != "-lpthread"; then
  53 dnl   AC_MSG_ERROR(failed: I need posix threads, pthread)
  54 dnl fi
  55
  56 dnl Check for BDB
  57 saveLIBS="$LIBS"
  58 LIBS="$LIBS -ldb"
  59
  60 AC_CHECK_HEADER(db.h,
  61      [AC_MSG_CHECKING(if we can link against BerkeleyDB)
  62       AC_LINK_IFELSE(
  63       [AC_LANG_PROGRAM(
  64        [#include <db.h>],
  65        [int r, s, t; db_version(&r, &s, &t);]
  66       )],
  67       [AC_DEFINE(HAVE_BDB)
  68        BDBLIB="-ldb"
  69        AC_MSG_RESULT(yes)],
  70       [BDBLIB=""
  71        AC_MSG_RESULT(no)]
  72     )]
  73 )
  74
  75 LIBS="$saveLIBS"
  76
  77 AC_SUBST(BDBLIB)
  78
  79 dnl Converts the ARCH to be something singular for this general CPU family
  80 dnl This is often the dpkg architecture string.
  81 AC_MSG_CHECKING(system architecture)
  82 archset="`awk \" ! /^#|^\\\$/ { if(match(\\\"$target_cpu\\\",\\\"^\\\"\\\$1\\\"\\\$\\\")) {print \\\$2; exit}}\" $srcdir/buildlib/archtable`"
  83 if test "x$archset" = "x"; then
  84   AC_MSG_ERROR(failed: use --host= or check buildlib/archtable)
  85 fi
  86 AC_MSG_RESULT($archset)
  87 AC_DEFINE_UNQUOTED(COMMON_CPU,"$archset")
  88
  89 dnl Get a common name for the host OS - this is primarily only for HURD and is
  90 dnl non fatal if it fails
  91 AC_MSG_CHECKING(system OS)
  92 osset="`awk \" ! /^#|^\\\$/ {if (match(\\\"$target_vendor-$target_os\\\",\\\$1)) {print \\\$2; exit}}\" $srcdir/buildlib/ostable`"
  93 AC_MSG_RESULT($osset)
  94 AC_DEFINE_UNQUOTED(COMMON_OS,"$osset")
  95
  96 dnl We use C99 types if at all possible
  97 AC_CACHE_CHECK([for C99 integer types],c9x_ints,[
  98     AC_TRY_COMPILE([#include <inttypes.h>],
  99                    [uint8_t Foo1;uint16_t Foo2;uint32_t Foo3;],
 100                    c9x_ints=yes,c9x_ints=no)])
 101
 102 dnl Single Unix Spec statvfs
 103 AC_CHECK_FUNC(statvfs,[HAVE_STATVFS=yes])
 104 AC_SUBST(HAVE_STATVFS)
 105
 106 dnl Arg, linux and bsd put their statfs function in different places
 107 if test x"$HAVE_STATVFS" != x"yes"; then
 108    AC_EGREP_HEADER(statfs,sys/vfs.h,[AC_DEFINE(HAVE_VFS_H)],[
 109    AC_EGREP_HEADER(statfs,sys/mount.h,[AC_DEFINE(HAVE_MOUNT_H)],[AC_MSG_ERROR(failed: Need statvfs)])
 110    ])
 111 fi
 112
 113 dnl We should use the real timegm function if we have it.
 114 AC_CHECK_FUNC(timegm,AC_DEFINE(HAVE_TIMEGM))
 115 AC_SUBST(HAVE_TIMEGM)
 116
 117 dnl Check the sizes etc. of the architecture
 118 dnl This is stupid, it should just use the AC macros like it does below
 119 dnl Cross compilers can either get a real C library or preload the cache
 120 dnl with their size values.
 121 changequote(,)
 122 archline="`awk \" ! /^#|^\\\$/ {if (match(\\\"$archset\\\",\\\$1)) {print; exit}}\" $srcdir/buildlib/sizetable | cut -f 2- -d ' '`"
 123 if test "x$archline" != "x"; then
 124    changequote([,])
 125    set $archline
 126    if test "$1" = "little"; then
 127       ac_cv_c_bigendian=no
 128    else
 129       ac_cv_c_bigendian=yes
 130    fi
 131    size_char=$2
 132    size_int=$3
 133    size_short=$4
 134    size_long=$5
 135 fi
 136
 137 dnl I wonder what AC_C_BIGENDIAN does if you cross compile...
 138 dnl This is probably bogus, as above we only care if we have to build our own
 139 dnl C9x types.
 140 if test "$cross_compiling" = "yes" -a "x$archline" = "x"; then
 141   AC_MSG_ERROR(When cross compiling, architecture must be present in sizetable)
 142 fi
 143 AC_C_BIGENDIAN
 144
 145 dnl We do not need this if we have inttypes!
 146 HAVE_C9X=yes
 147 if test x"$c9x_ints" = x"no"; then
 148    AC_CHECK_SIZEOF(char,$size_char)
 149    AC_CHECK_SIZEOF(int,$size_int)
 150    AC_CHECK_SIZEOF(short,$size_short)
 151    AC_CHECK_SIZEOF(long,$size_long)
 152
 153    HAVE_C9X=
 154    AC_SUBST(HAVE_C9X)
 155 fi
 156
 157 dnl HP-UX sux..
 158 AC_MSG_CHECKING(for missing socklen_t)
 159 AC_EGREP_HEADER(socklen_t, sys/socket.h,[AC_MSG_RESULT(no)],[
 160         AC_DEFINE(NEED_SOCKLEN_T_DEFINE)
 161         NEED_SOCKLEN_T_DEFINE=yes
 162         AC_MSG_RESULT(missing.)])
 163 AC_SUBST(NEED_SOCKLEN_T_DEFINE)
 164
 165 dnl HP-UX needs -d_XOPEN_SOURCE_EXTENDED for h_errno
 166 AC_MSG_CHECKING(for h_errno)
 167 AC_EGREP_HEADER(h_errno, netdb.h, [AC_MSG_RESULT(normal)],
 168    [CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
 169     AC_EGREP_HEADER(h_errno, netdb.h,
 170        [AC_MSG_RESULT(needs _XOPEN_SOURCE_EXTENDED)],
 171        [AC_MSG_ERROR("not found.")])
 172    ])
 173
 174 dnl Check for debiandoc
 175 AC_PATH_PROG(DEBIANDOC_HTML,debiandoc2html)
 176 AC_PATH_PROG(DEBIANDOC_TEXT,debiandoc2text)
 177
 178 dnl Check for the SGML tools needed to build man pages
 179 AC_PATH_PROG(DOCBOOK2MAN,docbook2man)
 180
 181 dnl Check for the XML tools needed to build man pages
 182 AC_PATH_PROG(XMLTO,xmlto)
 183
 184 dnl Check for YODL
 185 dnl AC_CHECK_PROG(YODL_MAN,yodl2man,"yes","")
 186
 187 ah_NUM_PROCS
 188 rc_GLIBC_VER
 189 rc_LIBSTDCPP_VER
 190 ah_GCC3DEP
 191
 192 dnl It used to be that the user could select translations and that could get
 193 dnl passed to the makefiles, but now that can only work if you use special
 194 dnl gettext approved makefiles, so this feature is unsupported by this.
 195 ALL_LINGUAS="da de en_GB es fr hu it nl no_NO pl pt_BR ru sv zh_TW"
 196 AM_GNU_GETTEXT(external)
 197 if test x"$USE_NLS" = "xyes"; then
 198    AC_DEFINE(USE_NLS)
 199 fi
 200 AC_SUBST(USE_NLS)
 201 AC_PATH_PROG(BASH, bash)
 202
 203 AC_OUTPUT(environment.mak:buildlib/environment.mak.in makefile:buildlib/makefile.in,make -s dirs)