configure.in

mutt-1.5.12 源代码。linux 下邮件接受的工具。

dnl Process this file with autoconf to produce a configure script.

dnl !!! WHEN ADDING NEW CONFIGURE TESTS, PLEASE ADD CODE TO MAIN.C !!!
dnl !!! TO DUMP THEIR RESULTS WHEN MUTT -V IS CALLED            !!!

AC_PREREQ([2.54])
AC_INIT([mutt.h])
AM_CONFIG_HEADER([config.h])

mutt_cv_version=`cat $srcdir/VERSION`
AM_INIT_AUTOMAKE(mutt, $mutt_cv_version)
AC_SUBST([CONFIG_STATUS_DEPENDENCIES], ['$(top_srcdir)/VERSION'])

AC_GNU_SOURCE

ALL_LINGUAS="de eu ru it es uk fr pl nl cs id sk ko el zh_TW zh_CN pt_BR eo gl sv da lt tr ja hu et ca bg ga"

AC_CANONICAL_HOST

AC_MSG_CHECKING([for prefix])
if test x$prefix = xNONE; then
  mutt_cv_prefix=$ac_default_prefix
else
  mutt_cv_prefix=$prefix
fi
AC_MSG_RESULT($mutt_cv_prefix)

AC_PROG_CC
AC_ISC_POSIX
AM_C_PROTOTYPES
if test "x$U" != "x"; then
  AC_MSG_ERROR(Compiler not ANSI compliant)
fi
AC_PROG_CPP
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_CHECK_TOOL(AR, ar, ar)

AC_C_INLINE
AC_C_CONST

AC_SYS_LARGEFILE
AC_FUNC_FSEEKO
AC_CHECK_SIZEOF(off_t)

AC_PATH_PROG(DBX, dbx, no)
AC_PATH_PROG(GDB, gdb, no)
AC_PATH_PROG(SDB, sdb, no)

if test $GDB != no ; then
        DEBUGGER=$GDB
elif test $DBX != no ; then
        DEBUGGER=$DBX
elif test $SDB != no ; then
        DEBUGGER=$SDB
else
        DEBUGGER=no
fi

AC_SUBST([DEBUGGER])

AH_TEMPLATE([sig_atomic_t],
            [/* Define to `int' if <signal.h> doesn't define.])
AH_TEMPLATE([HAVE_START_COLOR],
            [Define if you have start_color, as a function or macro.])
AH_TEMPLATE([HAVE_TYPEAHEAD],
            [Define if you have typeahead, as a function or macro.])
AH_TEMPLATE([HAVE_BKGDSET],
            [Define if you have bkgdset, as a function or macro.])
AH_TEMPLATE([HAVE_CURS_SET],
            [Define if you have curs_set, as a function or macro.])
AH_TEMPLATE([HAVE_META],
            [Define if you have meta, as a function or macro.])
AH_TEMPLATE([HAVE_USE_DEFAULT_COLORS],
            [Define if you have use_default_colors, as a function or macro.])
AH_TEMPLATE([HAVE_RESIZETERM],
            [Define if you have resizeterm, as a function or macro.])
AH_TEMPLATE([SIG_ATOMIC_VOLATILE_T],
            [Some systems declare sig_atomic_t as volatile, some others -- no.
             This define will have value `sig_atomic_t' or
             `volatile sig_atomic_t' accordingly.])
AH_TEMPLATE([ICONV_NONTRANS],
            [Define as 1 if iconv() only converts exactly and we should treat
             all return values other than (size_t)(-1) as equivalent.])

AH_BOTTOM([/* fseeko portability defines */
#ifdef HAVE_FSEEKO
# define LOFF_T off_t
# if SIZEOF_OFF_T == 8
#  define OFF_T_FMT "%lld"
# else
#  define OFF_T_FMT "%ld"
# endif
#else
# define LOFF_T long
# define fseeko fseek
# define ftello ftell
# define OFF_T_FMT "%ld"
#endif
])
MUTT_C99_INTTYPES

ac_aux_path_sendmail=/usr/sbin:/usr/lib
AC_PATH_PROG(SENDMAIL, sendmail, /usr/sbin/sendmail, $PATH:$ac_aux_path_sendmail)
AC_DEFINE_UNQUOTED(SENDMAIL,"$ac_cv_path_SENDMAIL", [Where to find sendmail on your system.])

OPS='$(srcdir)/OPS'

AC_ARG_ENABLE(gpgme, AC_HELP_STRING([--enable-gpgme], [Enable GPGME support]),
[       if test x$enableval = xyes; then
		have_gpgme=yes
	fi
])
AC_ARG_WITH(gpgme-prefix, AC_HELP_STRING([--with-gpgme-prefix=PFX], [prefix where GPGME is installed (optional)]),
gpgme_config_prefix="$withval", gpgme_config_prefix="")

if test x$have_gpgme = xyes; then
	if test x$gpgme_config_prefix != x; then
		GPGME_CONFIG="$gpgme_config_prefix/bin/gpgme-config"
	else
		AC_PATH_PROG(GPGME_CONFIG, gpgme-config, no)
	fi
	if test "x$GPGME_CONFIG" = "xno"; then
		AC_MSG_ERROR([GPGME not found])
	else
		LIBGPGME_CFLAGS=`$GPGME_CONFIG --cflags`
		LIBGPGME_LIBS=`$GPGME_CONFIG --libs`
		MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS crypt-gpgme.o crypt-mod-pgp-gpgme.o crypt-mod-smime-gpgme.o"
		AC_DEFINE(CRYPT_BACKEND_GPGME, 1, [Defined, if GPGME support is enabled])
	fi
fi
AC_SUBST(LIBGPGME_CFLAGS)
AC_SUBST(LIBGPGME_LIBS)

AC_ARG_ENABLE(pgp, AC_HELP_STRING([--disable-pgp], [Disable PGP support]),
[       if test x$enableval = xno ; then
                have_pgp=no
        fi
])

if test x$have_pgp != xno ; then
        AC_DEFINE(CRYPT_BACKEND_CLASSIC_PGP,1, [Define if you want classic PGP support.])
        PGPAUX_TARGET="pgpring\$(EXEEXT) pgpewrap\$(EXEEXT)"
        MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS pgp.o pgpinvoke.o pgpkey.o pgplib.o gnupgparse.o pgpmicalg.o pgppacket.o crypt-mod-pgp-classic.o"
fi

AC_ARG_ENABLE(smime, AC_HELP_STRING([--disable-smime], [Disable SMIME support]),
[	if test x$enableval = xno ; then
		have_smime=no
	fi
])
 
if test x$have_smime != xno ; then
	AC_DEFINE(CRYPT_BACKEND_CLASSIC_SMIME, 1, [Define if you want clasic S/MIME support.])
	MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS smime.o crypt-mod-smime-classic.o"
	SMIMEAUX_TARGET="smime_keys"
fi

AC_ARG_WITH(mixmaster, AC_HELP_STRING([--with-mixmaster[=PATH]], [Include Mixmaster support]),
        [if test -x "$withval" ; then
                MIXMASTER="$withval"
         else
                MIXMASTER="mixmaster"
         fi
         OPS="$OPS \$(srcdir)/OPS.MIX"
         MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS remailer.o"
         AC_DEFINE_UNQUOTED(MIXMASTER,"$MIXMASTER", [Where to find mixmaster on your system.])
        ])

# We now require all OPS
OPS="$OPS \$(srcdir)/OPS.PGP \$(srcdir)/OPS.SMIME \$(srcdir)/OPS.CRYPT "
AC_SUBST([OPS])

AC_SUBST(PGPAUX_TARGET)
AC_SUBST(SMIMEAUX_TARGET)

AC_PATH_PROG(ISPELL, ispell, no)
if test $ISPELL != no; then
        AC_DEFINE_UNQUOTED(ISPELL,"$ISPELL",[ Where to find ispell on your system. ])
fi

AC_ARG_WITH(slang, AC_HELP_STRING([--with-slang[=DIR]], [Use S-Lang instead of ncurses]),
        [AC_CACHE_CHECK([if this is a BSD system], mutt_cv_bsdish,
                [AC_TRY_RUN([#include <sys/param.h>

main ()
{
#ifdef BSD
        exit (0);
#else
        exit (1);
#endif
}],
                        mutt_cv_bsdish=yes,
                        mutt_cv_bsdish=no,
                        mutt_cv_bsdish=no)])

        AC_MSG_CHECKING(for S-Lang)
        if test $withval = yes; then
                if test -d $srcdir/../slang; then
                        mutt_cv_slang=$srcdir/../slang/src
                        CPPFLAGS="$CPPFLAGS -I${mutt_cv_slang}"
                        LDFLAGS="$LDFLAGS -L${mutt_cv_slang}/objs"
                else
                        if test -d $mutt_cv_prefix/include/slang; then
                                CPPFLAGS="$CPPFLAGS -I$mutt_cv_prefix/include/slang"
                        elif test -d /usr/include/slang; then
                                CPPFLAGS="$CPPFLAGS -I/usr/include/slang"
                        fi
                        mutt_cv_slang=yes
                fi
        else
                dnl ---Check to see if $withval is a source directory
                if test -f $withval/src/slang.h; then
                        mutt_cv_slang=$withval/src
                        CPPFLAGS="$CPPFLAGS -I${mutt_cv_slang}"
                        LDFLAGS="$LDFLAGS -L${mutt_cv_slang}/objs"
                else
                        dnl ---Must be installed somewhere
                        mutt_cv_slang=$withval
                        if test -d $withval/include/slang; then
                                CPPFLAGS="$CPPFLAGS -I${withval}/include/slang"
                        elif test -d $withval/include; then
                                CPPFLAGS="$CPPFLAGS -I${withval}/include"
                        fi
                        LDFLAGS="$LDFLAGS -L${withval}/lib"
                fi
        fi
        AC_MSG_RESULT($mutt_cv_slang)
        if test $mutt_cv_bsdish = yes; then
                AC_CHECK_LIB(termlib, main)
        fi
        AC_DEFINE(USE_SLANG_CURSES,1,
                [ Define if you compile with SLang instead of curses/ncurses. ])
        AC_DEFINE(HAVE_COLOR,1,[ Define if your curses library supports color. ])
        MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS resize.o"

        dnl --- now that we've found it, check the link

        AC_CHECK_LIB(slang, SLtt_get_terminfo,
                [MUTTLIBS="$MUTTLIBS -lslang -lm"],
                [AC_MSG_ERROR(unable to compile.  check config.log)], -lm)

        ],

        [mutt_cv_curses=/usr
        AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses=DIR], [Where ncurses is installed]),
                [if test $withval != yes; then
                        mutt_cv_curses=$withval
                fi
                if test x$mutt_cv_curses != x/usr; then
                        LDFLAGS="$LDFLAGS -L${mutt_cv_curses}/lib"
                        CPPFLAGS="$CPPFLAGS -I${mutt_cv_curses}/include"
                fi])

	AC_CHECK_FUNC(initscr,,[
	cf_ncurses="ncurses"
	for lib in ncurses ncursesw
	do
		AC_CHECK_LIB($lib, waddnwstr, [cf_ncurses="$lib"; break])
	done
        AC_CHECK_LIB($cf_ncurses, initscr,
                [MUTTLIBS="$MUTTLIBS -l$cf_ncurses"
		
                if test "$cf_ncurses" = ncursesw; then
			AC_CHECK_HEADERS(ncursesw/ncurses.h,[cf_cv_ncurses_header="ncursesw/ncurses.h"])
		else
                  AC_CHECK_HEADERS(ncurses/ncurses.h,[cf_cv_ncurses_header="ncurses/ncurses.h"],
                    [AC_CHECK_HEADERS(ncurses.h,[cf_cv_ncurses_header="ncurses.h"])])
		fi],

                [CF_CURSES_LIBS])
		])

        old_LIBS="$LIBS"
        LIBS="$LIBS $MUTTLIBS"
        CF_CHECK_FUNCDECLS([#include <${cf_cv_ncurses_header-curses.h}>],
                           [start_color typeahead bkgdset curs_set meta use_default_colors resizeterm])
        if test "$ac_cv_func_decl_start_color" = yes; then
                AC_DEFINE(HAVE_COLOR,1,[ Define if your curses library supports color. ])
        fi
        if test "$ac_cv_func_decl_resizeterm" = yes; then
                MUTT_LIB_OBJECTS="$MUTT_LIB_OBJECTS resize.o"
        fi
        LIBS="$old_LIBS"
        ])

AC_HEADER_STDC

AC_CHECK_HEADERS(stdarg.h sys/ioctl.h ioctl.h sysexits.h)
AC_CHECK_HEADERS(sys/time.h sys/resource.h)
AC_CHECK_HEADERS(unix.h)

AC_CHECK_FUNCS(setrlimit getsid)

AC_TYPE_SIGNAL

AC_MSG_CHECKING(for sig_atomic_t in signal.h)
AC_EGREP_HEADER(sig_atomic_t,signal.h,
  [
    ac_cv_type_sig_atomic_t=yes;
    AC_EGREP_HEADER(volatile.*sig_atomic_t,
                    signal.h,
                    [
                        is_sig_atomic_t_volatile=yes;
                        AC_MSG_RESULT([yes, volatile])
                    ],
                    [
                        is_sig_atomic_t_volatile=no;
                        AC_MSG_RESULT([yes, non volatile])
                    ])
  ],
  [
    AC_MSG_RESULT(no)
    AC_CHECK_TYPE(sig_atomic_t, int)
    is_sig_atomic_t_volatile=no
  ])
if test $is_sig_atomic_t_volatile = 'yes'
then
    AC_DEFINE(SIG_ATOMIC_VOLATILE_T, sig_atomic_t)
else
    AC_DEFINE(SIG_ATOMIC_VOLATILE_T, [volatile sig_atomic_t])
fi

AC_DECL_SYS_SIGLIST

AC_TYPE_PID_T
AC_CHECK_TYPE(ssize_t, int)

AC_CHECK_FUNCS(fgetpos memmove setegid srand48 strerror)

AC_REPLACE_FUNCS([setenv strcasecmp strdup])

AC_CHECK_FUNC(getopt)
if test $ac_cv_func_getopt = yes; then
        AC_CHECK_HEADERS(getopt.h)
fi

mutt_cv_snprintf=no
SNPRINTFOBJS=""
AC_CHECK_FUNCS(snprintf, , [mutt_cv_snprintf=yes])
AC_CHECK_FUNCS(vsnprintf, , [mutt_cv_snprintf=yes])
if test $mutt_cv_snprintf = yes; then
        AC_LIBOBJ(snprintf)
fi

XIPH_FUNC_VA_COPY

dnl SCO uses chsize() instead of ftruncate()
AC_CHECK_FUNCS(ftruncate, , [AC_CHECK_LIB(x, chsize)])

dnl SCO has strftime() in libintl
AC_CHECK_FUNCS(strftime, , [AC_CHECK_LIB(intl, strftime)])

dnl AIX may not have fchdir()
AC_CHECK_FUNCS(fchdir, , [mutt_cv_fchdir=no])

AC_ARG_WITH(regex, AC_HELP_STRING([--with-regex], [Use the GNU regex library]),
        [mutt_cv_regex=yes],
        [AC_CHECK_FUNCS(regcomp, mutt_cv_regex=no, mutt_cv_regex=yes)])

if test $mutt_cv_regex = no ; then
AC_CACHE_CHECK([whether your system's regexp library is completely broken],
        [mutt_cv_regex_broken],
        AC_TRY_RUN([
#include <unistd.h>
#include <regex.h>
main() { regex_t blah ; regmatch_t p; p.rm_eo = p.rm_eo; return regcomp(&blah, "foo.*bar", REG_NOSUB) || regexec (&blah, "foobar", 0, NULL, 0); }],