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,"0.8.16~exp9")
  22 PACKAGE="apt"
  23 AC_DEFINE_UNQUOTED(PACKAGE,"$PACKAGE")
  24 AC_SUBST(PACKAGE)
  25
  26 dnl Check the archs, we want the target type.
  27 AC_CANONICAL_SYSTEM
  28
  29 dnl Check our C compiler
  30 AC_CHECK_TOOL_PREFIX
  31 AC_PROG_CC
  32 AC_ISC_POSIX
  33
  34 dnl check for large file support and enable it if possible
  35 dnl do this early as other stuff might depend on it
  36 AC_SYS_LARGEFILE
  37
  38 dnl Check for other programs
  39 AC_PROG_CXX
  40 AC_PROG_CPP
  41 AC_PROG_RANLIB
  42 AC_CHECK_TOOL(AR,ar,"ar")
  43
  44 dnl Checks for sockets
  45 SAVE_LIBS="$LIBS"
  46 LIBS=""
  47 AC_SEARCH_LIBS(gethostbyname,nsl)
  48 AC_SEARCH_LIBS(connect,socket)
  49 SOCKETLIBS="$LIBS"
  50 AC_SUBST(SOCKETLIBS)
  51 LIBS="$SAVE_LIBS"
  52
  53 dnl Checks for pthread -- disabled due to glibc bugs jgg
  54 dnl AC_CHECK_LIB(pthread, pthread_create,[AC_DEFINE(HAVE_PTHREAD) PTHREADLIB="-lpthread"])
  55 AC_SUBST(PTHREADLIB)
  56 dnl if test "$PTHREADLIB" != "-lpthread"; then
  57 dnl   AC_MSG_ERROR(failed: I need posix threads, pthread)
  58 dnl fi
  59
  60 dnl Check for BDB
  61 saveLIBS="$LIBS"
  62 LIBS="$LIBS -ldb"
  63
  64 AC_CHECK_HEADER(db.h,
  65      [AC_MSG_CHECKING(if we can link against BerkeleyDB)
  66       AC_LINK_IFELSE(
  67       [AC_LANG_PROGRAM(
  68        [#include <db.h>],
  69        [int r, s, t; db_version(&r, &s, &t);]
  70       )],
  71       [AC_DEFINE(HAVE_BDB)
  72        BDBLIB="-ldb"
  73        AC_MSG_RESULT(yes)],
  74       [BDBLIB=""
  75        AC_MSG_RESULT(no)]
  76     )]
  77 )
  78
  79 LIBS="$saveLIBS"
  80
  81 AC_CHECK_LIB(curl, curl_easy_init,
  82      [AC_CHECK_HEADER(curl/curl.h,
  83         curl_ok=yes,
  84         curl_ok=no)],
  85      AC_MSG_ERROR([failed: I need CURL due https support]),
  86 )
  87
  88 AC_SUBST(BDBLIB)
  89
  90 AC_CHECK_LIB(z, gzopen,
  91         [AC_CHECK_HEADER(zlib.h, [], AC_MSG_ERROR([failed: zlib.h not found]))],
  92         AC_MSG_ERROR([failed: Need libz]))
  93
  94 dnl Converts the ARCH to be something singular for this general CPU family
  95 dnl This is often the dpkg architecture string.
  96 dnl First check against the full canonical canoncial-system-type in $target
  97 dnl and if that fails, just look for the cpu
  98 AC_MSG_CHECKING(debian architecture)
  99 archset="`dpkg-architecture -qDEB_HOST_ARCH`"
 100 if test "x$archset" = "x"; then
 101    AC_MSG_ERROR([failed: use --host= or output from dpkg-architecture])
 102 fi
 103 AC_MSG_RESULT($archset)
 104 AC_DEFINE_UNQUOTED(COMMON_ARCH,"$archset")
 105
 106 dnl We use C99 types if at all possible
 107 AC_CACHE_CHECK([for C99 integer types],apt_cv_c9x_ints,[
 108     AC_TRY_COMPILE([#include <inttypes.h>],
 109                    [uint8_t Foo1;uint16_t Foo2;uint32_t Foo3;],
 110                    apt_cv_c9x_ints=yes,apt_cv_c9x_ints=no)])
 111
 112 dnl Single Unix Spec statvfs
 113 AC_CHECK_FUNC(statvfs,[HAVE_STATVFS=yes])
 114 AC_SUBST(HAVE_STATVFS)
 115
 116 dnl Arg, linux and bsd put their statfs function in different places
 117 if test x"$HAVE_STATVFS" != x"yes"; then
 118    AC_EGREP_HEADER(statfs,sys/vfs.h,[AC_DEFINE(HAVE_VFS_H)],[
 119    AC_EGREP_HEADER(statfs,sys/mount.h,[AC_DEFINE(HAVE_MOUNT_H)],[AC_MSG_ERROR(failed: Need statvfs)])
 120    ])
 121 fi
 122
 123 AC_CHECK_MEMBERS([struct statfs.f_type],,,
 124     [$ac_includes_default
 125      #include <sys/vfs.h>])
 126
 127 dnl We should use the real timegm function if we have it.
 128 AC_CHECK_FUNC(timegm,AC_DEFINE(HAVE_TIMEGM))
 129 AC_SUBST(HAVE_TIMEGM)
 130
 131 dnl Check the sizes etc. of the architecture
 132 dnl This is stupid, it should just use the AC macros like it does below
 133 dnl Cross compilers can either get a real C library or preload the cache
 134 dnl with their size values.
 135 changequote(,)
 136 archline="`awk \" ! /^#|^\\\$/ {if (match(\\\"$archset\\\",\\\$1)) {print; exit}}\" $srcdir/buildlib/sizetable | cut -f 2- -d ' '`"
 137 if test "x$archline" != "x"; then
 138    changequote([,])
 139    set $archline
 140    if test "$1" = "little"; then
 141       ac_cv_c_bigendian=no
 142    else
 143       ac_cv_c_bigendian=yes
 144    fi
 145    size_char=$2
 146    size_int=$3
 147    size_short=$4
 148    size_long=$5
 149 fi
 150
 151 dnl I wonder what AC_C_BIGENDIAN does if you cross compile...
 152 dnl This is probably bogus, as above we only care if we have to build our own
 153 dnl C9x types.
 154 if test "$cross_compiling" = "yes" -a "x$archline" = "x"; then
 155   AC_MSG_ERROR(When cross compiling, architecture must be present in sizetable)
 156 fi
 157 AC_C_BIGENDIAN
 158
 159 dnl We do not need this if we have inttypes!
 160 HAVE_C9X=yes
 161 if test x"$apt_cv_c9x_ints" = x"no"; then
 162    AC_CHECK_SIZEOF(char,$size_char)
 163    AC_CHECK_SIZEOF(int,$size_int)
 164    AC_CHECK_SIZEOF(short,$size_short)
 165    AC_CHECK_SIZEOF(long,$size_long)
 166
 167    HAVE_C9X=
 168    AC_SUBST(HAVE_C9X)
 169 fi
 170
 171 dnl HP-UX sux..
 172 AC_MSG_CHECKING(for missing socklen_t)
 173 AC_EGREP_HEADER(socklen_t, sys/socket.h,[AC_MSG_RESULT(no)],[
 174         AC_DEFINE(NEED_SOCKLEN_T_DEFINE)
 175         NEED_SOCKLEN_T_DEFINE=yes
 176         AC_MSG_RESULT(missing.)])
 177 AC_SUBST(NEED_SOCKLEN_T_DEFINE)
 178
 179 dnl HP-UX needs -d_XOPEN_SOURCE_EXTENDED for h_errno
 180 AC_MSG_CHECKING(for h_errno)
 181 AC_EGREP_HEADER(h_errno, netdb.h, [AC_MSG_RESULT(normal)],
 182    [CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
 183     AC_EGREP_HEADER(h_errno, netdb.h,
 184        [AC_MSG_RESULT(needs _XOPEN_SOURCE_EXTENDED)],
 185        [AC_MSG_ERROR("not found.")])
 186    ])
 187
 188 dnl Check for debiandoc
 189 AC_PATH_PROG(DEBIANDOC_HTML,debiandoc2html)
 190 AC_PATH_PROG(DEBIANDOC_TEXT,debiandoc2text)
 191
 192 dnl Check for doxygen
 193 AC_PATH_PROG(DOXYGEN, doxygen)
 194
 195 dnl Check for the XSLTProc tool needed to build man pages together with po4a
 196 AC_PATH_PROG(XSLTPROC,xsltproc)
 197
 198 dnl Check for the po4a tool needed to build man pages
 199 AC_PATH_PROG(PO4A,po4a)
 200
 201 dnl Check for graphviz
 202 AC_CHECK_PROG([HAVE_DOT], [dot], [YES], [NO])
 203 AC_PATH_PROG([DOT], [dot], [])
 204 DOTDIR=$(dirname $DOT)
 205 AC_SUBST(DOTDIR)
 206
 207 ah_NUM_PROCS
 208 ah_GCC3DEP
 209
 210 dnl It used to be that the user could select translations and that could get
 211 dnl passed to the makefiles, but now that can only work if you use special
 212 dnl gettext approved makefiles, so this feature is unsupported by this.
 213 ALL_LINGUAS="bg bs ca cs cy da de dz el es eu fi fr gl hu it ja ko ku nb nl nn pl pt_BR pt ro ru sk sl sv th tl uk vi zn_CN zh_TW"
 214 AM_GNU_GETTEXT(external)
 215 if test x"$USE_NLS" = "xyes"; then
 216    AC_DEFINE(USE_NLS)
 217 fi
 218 AC_SUBST(USE_NLS)
 219 AC_PATH_PROG(BASH, bash)
 220
 221 AC_OUTPUT(environment.mak:buildlib/environment.mak.in makefile:buildlib/makefile.in doc/Doxyfile,make -s dirs)