path: root/configure.in

dnl
dnl Configure template for GNUPG
dnl
dnl (Process this file with autoconf to produce a configure script.)
AC_REVISION($Revision$)dnl

dnl Must reset CDPATH so that bash's cd does not print to stdout
CDPATH=

AC_PREREQ(2.13)
AC_INIT(g10/gpg.c)
AC_CONFIG_AUX_DIR(scripts)
AM_CONFIG_HEADER(config.h)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(gnupg,1.1.2a)

ALL_LINGUAS="da de eo es_ES fr id it ja nl pl pt_BR pt_PT ru sv"

AC_PROG_AWK

dnl
dnl  Check other options
dnl

AC_MSG_CHECKING([whether memory debugging is requested])
AC_ARG_ENABLE(m-debug,
[  --enable-m-debug        enable debugging of memory allocation],
use_m_debug=$enableval, use_m_debug=no)
AC_MSG_RESULT($use_m_debug)
if test "$use_m_debug" = yes; then
    AC_DEFINE(M_DEBUG)
    use_m_guard=yes
else
    AC_MSG_CHECKING([whether memory guard is requested])
    AC_ARG_ENABLE(m-guard,
    [  --enable-m-guard        enable memory guard facility],
    use_m_guard=$enableval, use_m_guard=no)
    AC_MSG_RESULT($use_m_guard)
fi
if test "$use_m_guard" = yes ; then
    AC_DEFINE(M_GUARD)
fi


AC_MSG_CHECKING([whether included zlib is requested])
AC_ARG_WITH(included-zlib,
    [  --with-included-zlib    use the zlib code included here],
[g10_force_zlib=yes], [g10_force_zlib=no] )
AC_MSG_RESULT($g10_force_zlib)

dnl
dnl Check whether we want to use Linux capabilities
dnl
AC_MSG_CHECKING([whether use of capabilities is requested])
AC_ARG_WITH(capabilities,
    [  --with-capabilities     use linux capabilities [default=no]],
[use_capabilities="$withval"],[use_capabilities=no])
AC_MSG_RESULT($use_capabilities)





AM_MAINTAINER_MODE

dnl Checks for programs.

dnl
dnl Setup some stuff depending on host/target.
dnl
case "${target}" in
    *-*-mingw32*)
        # special stuff for Windoze NT
        # Do we need to set cross_compiling here or is it sufficient
        # to rely on AC_PROG_CC which is called later?
        cross_compiling=yes
        CC="${target}-gcc"
        CPP="${target}-gcc -E"
        RANLIB="${target}-ranlib"
        disallowed_modules="rndunix rndlinux rndegd"
        ;;
    *)
        disallowed_modules="rndw32"
       ;;
esac

AC_ARG_PROGRAM
AC_PROG_MAKE_SET
AM_SANITY_CHECK
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
dnl AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_PROG_CC
AC_PROG_CPP
AC_ISC_POSIX
AC_PROG_INSTALL
AC_PROG_AWK
GPH_PROG_DOCBOOK
GNUPG_CHECK_FAQPROG


try_gettext=yes
case "${target}" in
    *-*-mingw32*)
        # special stuff for Windoze NT
        ac_cv_have_dev_random=no
        AC_DEFINE(USE_ONLY_8DOT3)
        AC_DEFINE(HAVE_DRIVE_LETTERS)
        AC_DEFINE(HAVE_DOSISH_SYSTEM)
        AC_DEFINE(USE_SIMPLE_GETTEXT)
        try_gettext="no"
        ;;
    i?86-emx-os2 | i?86-*-os2*emx )
        # OS/2 with the EMX environment
        ac_cv_have_dev_random=no
        AC_DEFINE(HAVE_DRIVE_LETTERS)
        AC_DEFINE(HAVE_DOSISH_SYSTEM)
        try_gettext="no"
        ;;

    i?86-*-msdosdjgpp*)
        # DOS with the DJGPP environment
        ac_cv_have_dev_random=no
        AC_DEFINE(HAVE_DRIVE_LETTERS)
        AC_DEFINE(HAVE_DOSISH_SYSTEM)
        try_gettext="no"
        ;;

    *-*-freebsd*)
       # FreeBSD
       CPPFLAGS="$CPPFLAGS -I/usr/local/include"
       LDFLAGS="$LDFLAGS -L/usr/local/lib"
       ;;

    *-*-hpux*)
        if test -z "$GCC" ; then
            CFLAGS="$CFLAGS -Ae -D_HPUX_SOURCE"
        fi
        ;;
    *-dec-osf4*)
        if test -z "$GCC" ; then
            # Suppress all warnings
            # to get rid of the unsigned/signed char mismatch warnings.
            CFLAGS="$CFLAGS -w"
        fi
        ;;
    m68k-atari-mint)
        ;;
    *)
       ;;
esac


case "${target}" in
    *-*-mingw32*)
        PRINTABLE_OS_NAME="MingW32"
        ;;
    i?86-emx-os2 | i?86-*-os2*emx )
        PRINTABLE_OS_NAME="OS/2"
        ;;
    i?86-*-msdosdjgpp*)
        PRINTABLE_OS_NAME="MSDOS/DJGPP"
        ;;
    *-linux*)
        PRINTABLE_OS_NAME="GNU/Linux"
        ;;
dnl let that after linux to avoid gnu-linux problems
    *-gnu*)
        PRINTABLE_OS_NAME="GNU/Hurd"
        ;;
    *)
        PRINTABLE_OS_NAME=`uname -s || echo "Unknown"`
        ;;
esac
AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$PRINTABLE_OS_NAME")

dnl Checks for libraries.

if test "$try_gettext" = yes; then
AM_GNU_GETTEXT
else
USE_NLS=no
USE_INCLUDED_LIBINTL=no
AC_SUBST(USE_NLS)
AC_SUBST(USE_INCLUDED_LIBINTL)
fi

AC_PATH_PROG(LIBGCRYPT_CONFIG, libgcrypt-config)
if test -n "$LIBGCRYPT_CONFIG"; then
	LIBGCRYPT_CFLAGS=`$LIBGCRYPT_CONFIG --cflags`
	LIBGCRYPT_LIBS=`$LIBGCRYPT_CONFIG --libs`
else
    AC_MSG_ERROR([[
***
*** You need libgcrypt to build this program.
*** It should be available at the same place you go this
*** software.
***]])
fi
AC_SUBST(LIBGCRYPT_CFLAGS)
AC_SUBST(LIBGCRYPT_LIBS)


dnl Where is the GTK+ toolkit
if test "$cross_compiling" = yes ; then
  CFLAGS="$CFLAGS -I/home/wk/work/gtk+w32/include/gtk+/gdk/win32 \
 -I/home/wk/work/gtk+w32/include -I/home/wk/work/gtk+w32/include/gtk+"
  LIBS="$LIBS     -L/home/wk/work/gtk+w32/lib -lgtk -lgdk -lglib"
  compile_agent=no
else
  AM_PATH_GTK(1.2.1, compile_agent=yes,compile_agent=no)
fi
AM_CONDITIONAL(COMPILE_AGENT, test x$compile_agent = xyes)


dnl Solaris needs -lsocket and -lnsl. Unisys system includes
dnl gethostbyname in libsocket but needs libnsl for socket.
AC_CHECK_LIB(nsl, gethostbyname)
AC_CHECK_LIB(socket, socket, ac_need_libsocket=1, ac_try_nsl=1)
if test x$ac_need_libsocket = x1; then
    LIBS="$LIBS -lsocket"
fi
if test x$ac_try_nsl = x1; then
    AC_CHECK_LIB(nsl, gethostbyname, ac_need_libnsl=1)
    if test x$ac_need_libnsl = x1
    then
        LIBS="$LIBS -lnsl"
    fi
fi


dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h langinfo.h termio.h)


dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_SIGNAL
AC_DECL_SYS_SIGLIST

GNUPG_CHECK_ENDIAN


GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
GNUPG_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF)
GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)

AC_CHECK_SIZEOF(unsigned short, 2)
AC_CHECK_SIZEOF(unsigned int, 4)
AC_CHECK_SIZEOF(unsigned long, 4)
AC_CHECK_SIZEOF(unsigned long long, 0)

if test "$ac_cv_sizeof_unsigned_short" = "0" \
   || test "$ac_cv_sizeof_unsigned_int" = "0" \
   || test "$ac_cv_sizeof_unsigned_long" = "0"; then
    AC_MSG_WARN([Hmmm, something is wrong with the sizes - using defaults]);
fi



dnl Checks for library functions.
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(strerror stpcpy strlwr stricmp tcgetattr rand strtoul mmap)
AC_CHECK_FUNCS(memmove gettimeofday getrusage gethrtime setrlimit clock_gettime)
AC_CHECK_FUNCS(memicmp atexit raise getpagesize strftime nl_langinfo)
AC_CHECK_FUNCS(waitpid wait4 sigaction sigprocmask fopen64 fstat64)

GNUPG_CHECK_MLOCK
GNUPG_FUNC_MKDIR_TAKES_ONE_ARG

dnl
dnl Check whether we can use Linux capabilities as requested
dnl
if test "$use_capabilities" = "yes" ; then
use_capabilities=no
AC_CHECK_HEADERS(sys/capability.h)
if test "$ac_cv_header_sys_capability_h" = "yes" ; then
  AC_CHECK_LIB(cap, cap_init, ac_need_libcap=1)
  if test "$ac_cv_lib_cap_cap_init" = "yes"; then
     AC_DEFINE(USE_CAPABILITIES)
     LIBS="$LIBS -lcap"
     use_capabilities=yes
  fi
fi
if test "$use_capabilities" = "no" ; then
    AC_MSG_WARN([[
***
*** The use of capabilities on this system is not possible.
*** You need a recent Linux kernel and some patches:
***   fcaps-2.2.9-990610.patch      (kernel patch for 2.2.9)
***   fcap-module-990613.tar.gz     (kernel module)
***   libcap-1.92.tar.gz            (user mode library and utilities)
*** And you have to configure the kernel with CONFIG_VFS_CAP_PLUGIN
*** set (filesystems menu). Be warned: This code is *really* ALPHA.
***]])
fi
fi


GNUPG_CHECK_IPC
if test "$ac_cv_header_sys_shm_h" = "yes"; then
  AC_DEFINE(USE_SHM_COPROCESSING)
fi


dnl
dnl Do we have zlib? Must do it here because Solaris failed
dnl when compiling a conftest (due to the "-lz" from LIBS).
dnl
use_local_zlib=yes
if test "$g10_force_zlib" = "yes"; then
  :
else
  AC_CHECK_HEADERS(zlib.h)
  if test "$ac_cv_header_zlib_h" = yes ; then
      AC_CHECK_LIB(z,deflateInit2_,use_local_zlib=no,:)
  fi
fi

if test "$use_local_zlib" = yes ; then
    AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true)
    GNUPG_LINK_FILES(zlib/zlib.h, zlib.h )
    GNUPG_LINK_FILES(zlib/zconf.h, zconf.h )
    ZLIBS="../zlib/libzlib.a"
else
    AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, false)
    ZLIBS=
    LIBS="-lz $LIBS"
fi
AC_SUBST(ZLIBS)


# Allow users to append something to the version string without
# flagging it as development version.  The user version part is
# considered everything after a dash.
changequote(,)dnl
tmp_pat='[a-zA-Z]'
changequote([,])dnl
if echo "$VERSION" | sed 's/-.*//' | grep "$tmp_pat" >/dev/null ; then
    AC_DEFINE(IS_DEVELOPMENT_VERSION)
fi

dnl Temp workarounds 
GNUPG_LINK_FILES(include/types.h, types.h )

AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes)

GNUPG_DO_LINK_FILES

GNUPG_CHECK_GNUMAKE

if test "$GCC" = yes; then
    if test "$MAINTAINER_MODE" = "yes"; then
        CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
    else
        CFLAGS="$CFLAGS -Wall"
    fi
fi


AC_OUTPUT_COMMANDS([
chmod +x scripts/db2html
cat >gnupg-defs.tmp <<G10EOF
/* Generated automatically by configure */
#ifdef HAVE_DRIVE_LETTERS
  #define GNUPG_LOCALEDIR "c:/lib/gnupg/locale"
  #define GNUPG_LIBDIR  "c:/lib/gnupg"
  #define GNUPG_DATADIR "c:/lib/gnupg"
  #define GNUPG_HOMEDIR "c:/gnupg-test"
#else
  #define GNUPG_LOCALEDIR "${prefix}/${DATADIRNAME}/locale"
  #define GNUPG_LIBDIR  "${libdir}/gnupg"
  #define GNUPG_DATADIR "${datadir}/gnupg"
  #ifdef __VMS
    #define GNUPG_HOMEDIR "/SYS\$LOGIN/gnupg" 
  #else
    #define GNUPG_HOMEDIR "~/.gnupg-test" 
  #endif
#endif
G10EOF
if cmp -s gnupg-defs.h gnupg-defs.tmp 2>/dev/null; then
    echo "gnupg-defs.h is unchanged"
    rm -f gnupg-defs.tmp
else
    rm -f gnupg-defs.h
    mv gnupg-defs.tmp gnupg-defs.h
    echo "gnupg-defs.h created"
fi
],[
prefix=$prefix
exec_prefix=$exec_prefix
libdir=$libdir
datadir=$datadir
DATADIRNAME=$DATADIRNAME
])


AC_OUTPUT([
Makefile
scripts/db2html
intl/Makefile
po/Makefile.in
jnlib/Makefile
util/Makefile
g10/Makefile
agent/Makefile
doc/Makefile
doc/version.sgml
tools/Makefile
zlib/Makefile
checks/Makefile
])