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,"0.7.25.4")
  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_CHECK_LIB(curl, curl_easy_init,
  78      [AC_CHECK_HEADER(curl/curl.h,
  79         curl_ok=yes,
  80         curl_ok=no)],
  81      AC_MSG_ERROR([failed: I need CURL due https support]),
  82 )
  83
  84 AC_SUBST(BDBLIB)
  85
  86 AC_CHECK_LIB(z, gzopen,
  87         [AC_CHECK_HEADER(zlib.h, [], AC_MSG_ERROR([failed: zlib.h not found]))],
  88         AC_MSG_ERROR([failed: Need libz]))
  89
  90 dnl Converts the ARCH to be something singular for this general CPU family
  91 dnl This is often the dpkg architecture string.
  92 dnl First check against the full canonical canoncial-system-type in $target
  93 dnl and if that fails, just look for the cpu
  94 AC_MSG_CHECKING(debian architecture)
  95 archset="`dpkg-architecture -qDEB_HOST_ARCH`"
  96 if test "x$archset" = "x"; then
  97    AC_MSG_ERROR([failed: use --host= or output from dpkg-architecture])
  98 fi
  99 AC_MSG_RESULT($archset)
 100 AC_DEFINE_UNQUOTED(COMMON_ARCH,"$archset")
 101
 102 dnl We use C99 types if at all possible
 103 AC_CACHE_CHECK([for C99 integer types],apt_cv_c9x_ints,[
 104     AC_TRY_COMPILE([#include <inttypes.h>],
 105                    [uint8_t Foo1;uint16_t Foo2;uint32_t Foo3;],
 106                    apt_cv_c9x_ints=yes,apt_cv_c9x_ints=no)])
 107
 108 dnl Single Unix Spec statvfs
 109 AC_CHECK_FUNC(statvfs,[HAVE_STATVFS=yes])
 110 AC_SUBST(HAVE_STATVFS)
 111
 112 dnl Arg, linux and bsd put their statfs function in different places
 113 if test x"$HAVE_STATVFS" != x"yes"; then
 114    AC_EGREP_HEADER(statfs,sys/vfs.h,[AC_DEFINE(HAVE_VFS_H)],[
 115    AC_EGREP_HEADER(statfs,sys/mount.h,[AC_DEFINE(HAVE_MOUNT_H)],[AC_MSG_ERROR(failed: Need statvfs)])
 116    ])
 117 fi
 118
 119 AC_CHECK_MEMBERS([struct statfs.f_type],,,
 120     [$ac_includes_default
 121      #include <sys/vfs.h>])
 122
 123 dnl We should use the real timegm function if we have it.
 124 AC_CHECK_FUNC(timegm,AC_DEFINE(HAVE_TIMEGM))
 125 AC_SUBST(HAVE_TIMEGM)
 126
 127 dnl Check the sizes etc. of the architecture
 128 dnl This is stupid, it should just use the AC macros like it does below
 129 dnl Cross compilers can either get a real C library or preload the cache
 130 dnl with their size values.
 131 changequote(,)
 132 archline="`awk \" ! /^#|^\\\$/ {if (match(\\\"$archset\\\",\\\$1)) {print; exit}}\" $srcdir/buildlib/sizetable | cut -f 2- -d ' '`"
 133 if test "x$archline" != "x"; then
 134    changequote([,])
 135    set $archline
 136    if test "$1" = "little"; then
 137       ac_cv_c_bigendian=no
 138    else
 139       ac_cv_c_bigendian=yes
 140    fi
 141    size_char=$2
 142    size_int=$3
 143    size_short=$4
 144    size_long=$5
 145 fi
 146
 147 dnl I wonder what AC_C_BIGENDIAN does if you cross compile...
 148 dnl This is probably bogus, as above we only care if we have to build our own
 149 dnl C9x types.
 150 if test "$cross_compiling" = "yes" -a "x$archline" = "x"; then
 151   AC_MSG_ERROR(When cross compiling, architecture must be present in sizetable)
 152 fi
 153 AC_C_BIGENDIAN
 154
 155 dnl We do not need this if we have inttypes!
 156 HAVE_C9X=yes
 157 if test x"$apt_cv_c9x_ints" = x"no"; then
 158    AC_CHECK_SIZEOF(char,$size_char)
 159    AC_CHECK_SIZEOF(int,$size_int)
 160    AC_CHECK_SIZEOF(short,$size_short)
 161    AC_CHECK_SIZEOF(long,$size_long)
 162
 163    HAVE_C9X=
 164    AC_SUBST(HAVE_C9X)
 165 fi
 166
 167 dnl HP-UX sux..
 168 AC_MSG_CHECKING(for missing socklen_t)
 169 AC_EGREP_HEADER(socklen_t, sys/socket.h,[AC_MSG_RESULT(no)],[
 170         AC_DEFINE(NEED_SOCKLEN_T_DEFINE)
 171         NEED_SOCKLEN_T_DEFINE=yes
 172         AC_MSG_RESULT(missing.)])
 173 AC_SUBST(NEED_SOCKLEN_T_DEFINE)
 174
 175 dnl HP-UX needs -d_XOPEN_SOURCE_EXTENDED for h_errno
 176 AC_MSG_CHECKING(for h_errno)
 177 AC_EGREP_HEADER(h_errno, netdb.h, [AC_MSG_RESULT(normal)],
 178    [CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
 179     AC_EGREP_HEADER(h_errno, netdb.h,
 180        [AC_MSG_RESULT(needs _XOPEN_SOURCE_EXTENDED)],
 181        [AC_MSG_ERROR("not found.")])
 182    ])
 183
 184 dnl Check for debiandoc
 185 AC_PATH_PROG(DEBIANDOC_HTML,debiandoc2html)
 186 AC_PATH_PROG(DEBIANDOC_TEXT,debiandoc2text)
 187
 188 dnl Check for doxygen
 189 AC_PATH_PROG(DOXYGEN, doxygen)
 190
 191 dnl Check for the XSLTProc tool needed to build man pages together with po4a
 192 AC_PATH_PROG(XSLTPROC,xsltproc)
 193
 194 dnl Check for the po4a tool needed to build man pages
 195 AC_PATH_PROG(PO4A,po4a)
 196
 197 dnl Check for graphviz
 198 AC_CHECK_PROG([HAVE_DOT], [dot], [YES], [NO])
 199 AC_PATH_PROG([DOT], [dot], [])
 200 DOTDIR=$(dirname $DOT)
 201 AC_SUBST(DOTDIR)
 202
 203 ah_NUM_PROCS
 204 ah_GCC3DEP
 205
 206 dnl It used to be that the user could select translations and that could get
 207 dnl passed to the makefiles, but now that can only work if you use special
 208 dnl gettext approved makefiles, so this feature is unsupported by this.
 209 ALL_LINGUAS="bg bs ca cs cy da de dz el en_GB es eu fi fr gl hu it ja ko ku nb nl nn pl pt_BR pt ro ru sk sl sv th tl uk vi zn_CN zh_TW"
 210 AM_GNU_GETTEXT(external)
 211 if test x"$USE_NLS" = "xyes"; then
 212    AC_DEFINE(USE_NLS)
 213 fi
 214 AC_SUBST(USE_NLS)
 215 AC_PATH_PROG(BASH, bash)
 216
 217 AC_OUTPUT(environment.mak:buildlib/environment.mak.in makefile:buildlib/makefile.in doc/Doxyfile,make -s dirs)