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[apt.git] / configure.in

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dnl Process this file with autoconf to produce a configure script.
dnl The ONLY thing this is used for is to configure for different
dnl linux architectures and configurations, it is not used to make the
dnl code more portable

dnl You MUST have an environment that has all the POSIX functions and
dnl some of the more populare bsd/sysv ones (like select). You'll also
dnl need a C++ compiler that is semi-standard conformant, exceptions are 
dnl not used but STL is.

dnl 'make -f Makefile startup' will generate the configure file from 
dnl configure.in correctly and can be run at any time

AC_INIT(configure.in)
AC_CONFIG_AUX_DIR(buildlib)
AC_CONFIG_HEADER(include/config.h:buildlib/config.h.in)

dnl -- SET THIS TO THE RELEASE VERSION --
AC_DEFINE_UNQUOTED(VERSION,"0.3.6")
AC_DEFINE_UNQUOTED(PACKAGE,"apt")

dnl Tom's host stuff
tl_CHECK_TOOL_PREFIX	dnl Initial guess

dnl Check our C compiler
tl_PROG_CC
AC_ISC_POSIX

dnl Check the host arch (build+target not needed... yet)
tl_CANONICAL_HOST
tl_CHECK_TOOL_PREFIX	dnl recheck, in case the initial guess was wrong

dnl Check for other programs
tl_PROG_CXX
AC_LANG_CPLUSPLUS
dnl Checks for X11
AC_PATH_X
AC_PATH_XTRA
AC_SUBST(X11LIB)
X11LIB=
if test "$no_x" != "yes"; then
  X11LIB="-lX11"
  AC_DEFINE(HAVE_X11)
  dnl Checks for ZPM
  AC_CHECK_LIB(Xpm, XpmLibraryVersion,[AC_DEFINE(HAVE_LIBXPM) XPMLIB="-lXpm"],,$X_LIBS $X_PRE_LIBS $X11LIB $X_EXTRA_LIBS)
  AC_SUBST(XPMLIB)
  if test "$XPMLIB" != "-lXpm"; then
     AC_MSG_ERROR(failed: I need xpm if you are building for X)
  fi
fi

dnl Checks for Slang
AC_CHECK_LIB(slang, SLang_Version,[AC_DEFINE(HAVE_LIBSLANG) SLANGLIB="-lslang"])
AC_SUBST(SLANGLIB)

dnl Checks for GPM
AC_ARG_WITH(gpm,[  --without-gpm		  do not use GPM mouse support])
if test "$with_gpm" != "no"; then
  AC_CHECK_LIB(gpm, Gpm_Open,[AC_DEFINE(HAVE_LIBGPM) GPMLIB="-lgpm"])
  AC_SUBST(GPMLIB)
fi

dnl Checks for pthread
AC_CHECK_LIB(pthread, pthread_create,[AC_DEFINE(HAVE_PTHREAD) PTHREADLIB="-lpthread"])
AC_SUBST(PTHREADLIB)
if test "$PTHREADLIB" != "-lpthread"; then
  AC_MSG_ERROR(failed: I need posix threads, pthread)
fi

dnl Converts the ARCH to be the same as dpkg
AC_MSG_CHECKING(system architecture)
archset="`awk '$1 == "'$host_cpu'" { print $2 }' $srcdir/buildlib/archtable`"
if test "x$archset" = "x"; then
  AC_MSG_ERROR(failed: use --host=)
fi
AC_MSG_RESULT($archset)
AC_DEFINE_UNQUOTED(ARCHITECTURE,"$archset")

dnl Check the sizes etc. of the architecture
changequote(,)
if archline="`sed -ne 's/^'$archset':[ 	]\+\(.*\)/\1/gp' $srcdir/buildlib/sizetable`"; then
changequote([,])
  set $archline
  if test "$1" = "little"; then
    ac_cv_c_bigendian=no
  else
    ac_cv_c_bigendian=yes
  fi
  size_char=$2
  size_int=$3
  size_short=$4
  size_long=$5
fi
if test "$cross_compiling" = "yes" -a "$archline" = ""; then
  AC_MSG_ERROR(When cross compiling, architecture must be present in sizetable)
fi
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(char,$size_char)
AC_CHECK_SIZEOF(int,$size_int)
AC_CHECK_SIZEOF(short,$size_short)
AC_CHECK_SIZEOF(long,$size_long)

dnl Check for debiandoc
AC_CHECK_PROG(DEBIANDOC_HTML,debiandoc2html,"yes","")
AC_CHECK_PROG(DEBIANDOC_TEXT,debiandoc2text,"yes","")

dnl Check for YODL
AC_CHECK_PROG(YODL_MAN,yodl2man,"yes","")

AC_OUTPUT(environment.mak:buildlib/environment.mak.in makefile:buildlib/makefile.in,make dirs)