AC_ARG_ENABLE([debug],
AS_HELP_STRING([--enable-debug],[enable nmh code debugging]))
-dnl Do you want to disable use of locale functions
-AH_TEMPLATE([LOCALE],
-[Undefine if you don't want locale features. By default this is defined.])
-AC_ARG_ENABLE([locale],
- [AS_HELP_STRING([--disable-locale], [turn off locale features])],
- [AS_IF([test x$enableval = xyes], [AC_DEFINE(LOCALE)])],
- [AC_DEFINE(LOCALE)])
-
dnl Do you want client-side support for using SASL for authentication?
dnl Note that this code will be enabled for both POP and SMTP
AC_ARG_WITH([cyrus-sasl], AS_HELP_STRING([--with-cyrus-sasl],
dnl ------------------
dnl We want these before the checks,
dnl so the checks can modify their values.
-test -z "$CFLAGS" && CFLAGS= auto_cflags=1
-if test x"$enable_debug" = x"yes"; then
- test -z "$LDFLAGS" && LDFLAGS=-g
-fi
-
-dnl Use SunStudio cc, if present, on Solaris if user didn't set CC.
-if test -z "$CC" -a -d /opt/solarisstudio12.3/bin; then
- CC=/opt/solarisstudio12.3/bin/cc; export CC
-fi
+test -z "$CFLAGS" && auto_cflags=1
-AC_PROG_CC
+AC_PROG_CC([cc gcc])
AM_PROG_CC_C_O
-dnl Use -v and some other options with SunStudio cc.
-case `${CC} -V 2>/dev/null` in
- cc:\ Sun\ C*) CFLAGS="${CFLAGS:+$CFLAGS }-v -errtags=yes"
- CFLAGS="${CFLAGS} -erroff=E_STATEMENT_NOT_REACHED" ;;
-esac
-
-AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
-[nmh_saved_cflags="$CFLAGS"
- CFLAGS="$CFLAGS -Wextra -Werror"
- AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,nmh_cv_has_wextra=no)
- CFLAGS="$nmh_saved_cflags"])
-
-dnl Can't use -ansi with gcc 4.5.3 on Cygwin, at least through setup
-dnl version 2.763, because it disables some features in the system
-dnl header files and warns about them with -Wall. Try to test for
-dnl that generally, though still with gcc.
-if test "$GCC" = yes; then
- AC_CACHE_CHECK([whether we can use -ansi with gcc], [nmh_cv_has_dash_ansi],
- [nmh_saved_cppflags="$CPPFLAGS"
- nmh_saved_cflags="$CFLAGS"
- CPPFLAGS="-D_GNU_SOURCE"
- CFLAGS="-ansi -Wall -Werror"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <time.h>],[tzset();])],
- [nmh_cv_has_dash_ansi=yes],
- [nmh_cv_has_dash_ansi=no])
- CPPFLAGS="$nmh_saved_cppflags"
- CFLAGS="$nmh_saved_cflags"])
-
- dnl Disable clang complaint about unused -ansi when linking.
- AC_CACHE_CHECK([whether linker supports -Qunused-arguments],
- [nmh_cv_has_q_unused_arguments],
- [nmh_saved_ldflags="$LDFLAGS"
- LDFLAGS="$LDFLAGS -Qunused-arguments"
- AC_TRY_LINK([],[],nmh_cv_has_q_unused_arguments=yes,
- nmh_cv_has_q_unused_arguments=no)
- LDFLAGS="$nmh_saved_ldflags"])
-
- if test "$nmh_cv_has_q_unused_arguments" = "yes"; then
- test -z "$LDFLAGS" && LDFLAGS=-Qunused-arguments \
- || LDFLAGS="$LDFLAGS -Qunused-arguments"
- fi
-else
- nmh_cv_has_dash_ansi=no
-fi
-
-dnl if the user hasn't specified CFLAGS, then
-dnl if compiler is gcc, then
-dnl use -O2 and some warning flags
-dnl else use -O
-dnl We use -Wall and -Wextra if supported. If the compiler supports it we
-dnl also use -Wno-pointer-sign, because gcc 4 now produces a lot of new
-dnl warnings which are probably mostly spurious and which in any case we
-dnl don't want to deal with now.
-if test "$nmh_cv_has_dash_ansi" = "yes"; then
- nmh_gcc_warnflags="-ansi -pedantic -Wall"
-else
- nmh_gcc_warnflags="-Wall"
-fi
-if test "$nmh_cv_has_wextra" = "yes"; then
- nmh_gcc_warnflags="${nmh_gcc_warnflags} -Wextra"
-fi
-
+dnl ----------------
+dnl CUSTOMIZE CFLAGS
+dnl ----------------
if test -n "$auto_cflags"; then
- if test x"$enable_debug" = x"yes"; then
- if test -n "$GCC"; then
- test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -g" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -g"
- else
- test -z "$CFLAGS" && CFLAGS=-g || CFLAGS="$CFLAGS -g"
- fi
+ dnl The user didn't specify CFLAGS, so customize them.
+ if test "$GCC" = yes; then
+ dnl Can't use -ansi with gcc 4.5.3 on Cygwin, at least through setup
+ dnl version 2.763, because it disables some features in the system
+ dnl header files and warns about them with -Wall. Try to test for
+ dnl that generally, with gcc.
+ AC_CACHE_CHECK([whether we can use -ansi with gcc], [nmh_cv_has_dash_ansi],
+ [nmh_saved_cppflags="$CPPFLAGS"
+ nmh_saved_cflags="$CFLAGS"
+ CPPFLAGS="-D_GNU_SOURCE"
+ CFLAGS="-ansi -Wall -Werror"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <time.h>],[tzset();])],
+ [nmh_cv_has_dash_ansi=yes],
+ [nmh_cv_has_dash_ansi=no])
+ CPPFLAGS="$nmh_saved_cppflags"
+ CFLAGS="$nmh_saved_cflags"])
+ test "$nmh_cv_has_dash_ansi" = "yes" && \
+ CFLAGS="${CFLAGS:+$CFLAGS }-ansi -pedantic"
+
+ dnl For Ubuntu gcc 4.8.1, with -O2. It would be better to fix all these,
+ dnl but until then, suppress the warning.
+ AC_CACHE_CHECK([whether compiler needs -Wno-unused-result],
+ [nmh_cv_needs_wnur],
+ [nmh_saved_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror -O2"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
+ [extern const char *path;
+ chdir (path);
+ return 0;])],
+ [nmh_cv_needs_wnur=no],
+ [nmh_cv_needs_wnur=yes])
+ CFLAGS="$nmh_saved_cflags"])
+ AS_IF([test "$nmh_cv_needs_wnur" = yes],
+ [CFLAGS="${CFLAGS:+$CFLAGS }-Wno-unused-result"])
else
- if test -z "$LDFLAGS"; then
- case "$build_os" in
- darwin*)
- LDFLAGS=
- ;;
- *)
- LDFLAGS=-s
- ;;
- esac
- fi
- if test -n "$GCC"; then
- test -z "$CFLAGS" && CFLAGS="$nmh_gcc_warnflags -O2" || CFLAGS="$CFLAGS $nmh_gcc_warnflags -O2"
- else
- test -z "$CFLAGS" && CFLAGS=-O || CFLAGS="$CFLAGS -O"
- fi
- AC_DEFINE([NDEBUG], [1],
- [Define to disable run-time debugging and asserts.])
+ dnl Use -v and some other options with SunStudio cc. lex produces
+ dnl code that causes unreachable-statement warnings. It might be
+ dnl better to use an autoconf test, except -v will probably succeed
+ dnl with many other compilers but have different meaning.
+ AS_CASE([`${CC} -V 2>&1`],
+ [cc:\ Sun\ C*], [CFLAGS=\
+"${CFLAGS:+$CFLAGS }-v -errtags=yes -erroff=E_STATEMENT_NOT_REACHED"])
fi
+
+ AC_CACHE_CHECK([whether compiler supports -Wall], [nmh_cv_has_wall],
+ [nmh_saved_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS -Wall -Werror"
+ AC_TRY_COMPILE([],[],nmh_cv_has_wall=yes,nmh_cv_has_wall=no)
+ CFLAGS="$nmh_saved_cflags"])
+ test "$nmh_cv_has_wall" = "yes" && CFLAGS="${CFLAGS:+$CFLAGS }-Wall"
+
+ AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
+ [nmh_saved_cflags="$CFLAGS"
+ CFLAGS="$CFLAGS -Wextra -Werror"
+ AC_TRY_COMPILE([],[],nmh_cv_has_wextra=yes,
+ nmh_cv_has_wextra=no)
+ CFLAGS="$nmh_saved_cflags"])
+ test "$nmh_cv_has_wextra" = "yes" && CFLAGS="${CFLAGS:+$CFLAGS }-Wextra"
fi
+dnl --------------
+dnl CUSTOMIZE LINK
+dnl --------------
+AS_IF([test `uname` = OpenBSD],
+ dnl Munge "often/almost always misused" warnings from OpenBSD linker
+ dnl so that they don't color the waterfall.
+ [POSTLINK="2>&1 | sed -e \
+'s/: w\(arning: s.*() is .* misused, please use\)/: W\1/'"])
+AC_SUBST([POSTLINK])
+
+dnl -----------------
+dnl CUSTOMIZE LDFLAGS
+dnl -----------------
+dnl Disable clang complaint about unused -ansi when linking.
+AC_CACHE_CHECK([whether linker supports -Qunused-arguments],
+ [nmh_cv_has_q_unused_arguments],
+ [AS_IF([test "$GCC" = yes && `${CC} --version 2>&1 | \
+ grep clang >/dev/null`],
+ [nmh_saved_ldflags="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -Qunused-arguments"
+ AC_TRY_LINK([],[],nmh_cv_has_q_unused_arguments=yes,
+ nmh_cv_has_q_unused_arguments=no)
+ LDFLAGS="$nmh_saved_ldflags"],
+ [nmh_cv_has_q_unused_arguments=no])])
+test "$nmh_cv_has_q_unused_arguments" = "yes" && \
+ LDFLAGS="${LDFLAGS:+$LDFLAGS }-Qunused-arguments"
+
+dnl This hack turns off assertions by default, assuming
+dnl that configure still uses this shell variable. Without
+dnl it, AC_HEADER_ASSERT enables assertions by default.
+test -z "$enable_assert" && enable_assert=no
+
+AC_HEADER_ASSERT
+
dnl ------------------
dnl CHECK FOR PROGRAMS
dnl ------------------
[MD5FMT="missing"])
AC_SUBST([MD5FMT])
-dnl ----------------------------------------------
-dnl check for lclint, and lint if it doesn't exist
-dnl ----------------------------------------------
-AC_CHECK_PROG([linttmp1], [lclint], [lclint], [no])dnl
-AS_IF([test x$ac_cv_prog_linttmp1 != xno],
- [LINT=$ac_cv_prog_linttmp1
- LINTFLAGS="-weak +posixlib -macrovarprefixexclude"],
- [AC_CHECK_PROG([linttmp2], [lint], [lint], [no])dnl
- AS_IF([test x$ac_cv_prog_linttmp2 != xno],
- [LINT=$ac_cv_prog_linttmp2
- LINTFLAGS=""],
- [LINT="echo 'No lint program found'"
- LINTFLAGS=""])])
-AC_SUBST([LINT])dnl
-AC_SUBST([LINTFLAGS])dnl
-
dnl Look for `ls'
pathtmp=/usr/xpg4/bin:/usr/bin:/bin:/usr/local/bin:/usr/ucb
AC_PATH_PROG([lspath], [ls], [no], [$pathtmp])
dnl we need to #define MAILGROUP to 1 and make inc setgid.
if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then
dnl do we really need both of these?
- AC_DEFINE(MAILGROUP,1,
+ AC_DEFINE([MAILGROUP],[1],
[Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl
SETGID_MAIL=1
fi
[nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
])
MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
-AC_SUBST(MAIL_SPOOL_GRP)dnl
+AC_SUBST([MAIL_SPOOL_GRP])dnl
+
+NMH_MIMETYPEPROC
+NMH_MIMEENCODINGPROC
dnl ------------------
dnl CHECK HEADER FILES
[CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])])
AC_HEADER_TIOCGWINSZ
-AC_CHECK_HEADERS([fcntl.h ncurses/termcap.h termcap.h langinfo.h \
- wchar.h wctype.h sys/param.h sys/time.h sys/stream.h])
+AC_CHECK_HEADERS([fcntl.h wchar.h wctype.h sys/param.h sys/time.h sys/stream.h])
AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM,1,
[Define to 1 if `struct winsize' requires <sys/ptem.h>.]),,
dnl ---------------
dnl CHECK FUNCTIONS
dnl ---------------
-AC_CHECK_FUNCS([wcwidth mbtowc writev lstat nl_langinfo getutxent])
+AC_CHECK_FUNCS([wcwidth mbtowc getutxent arc4random mkstemps])
dnl Check for multibyte character set support
AS_IF([test "x$ac_cv_header_wchar_h" = "xyes" -a \
dnl -------------------
dnl CHECK FOR LIBRARIES
dnl -------------------
-dnl Check location of modf
-AC_CHECK_FUNC([modf], , AC_CHECK_LIB([m], [modf]))
-
dnl Checks for network libraries (nsl, socket)
NMH_CHECK_NETLIBS
-dnl Check for readline support
-NMH_READLINE
-
dnl Check the locking functions supported and what we should use by default
NMH_LOCKING
dnl Check for iconv
NMH_CHECK_ICONV
+dnl Check for tputs() callback argument
+NMH_TPUTS_PUTC_ARG
+
termcap_curses_order="termcap curses ncurses"
for lib in $termcap_curses_order; do
- AC_CHECK_LIB(${lib}, tgetent, [TERMLIB="-l$lib"; break])
+ AC_CHECK_LIB([${lib}], [setupterm], [TERMLIB="-l$lib"; break])
done
AC_SUBST([TERMLIB])dnl
AS_IF([test "x$TERMLIB" = "x"],
- [AC_MSG_FAILURE([Could not find tgetent in any library. Is there a curses
-or ncurses library or package that you can install?])])
+ [AC_MSG_FAILURE([Could not find setupterm in any library. Is there a
+curses or ncurses library or package that you can install?])])
+
+dnl Check for readline support
+NMH_READLINE
dnl --------------
dnl CHECK FOR NDBM
dnl first so we don't accidentally link in a pointless but harmless
dnl library in one of the later ndbm.h+libfoo tests:
NMH_CHECK_NDBM(ndbm.h,,,
- dnl Berkeley DBv2 emulating ndbm: header in db.h:
+ dnl Berkeley DBv2 emulating ndbm: header in db.h, e.g., 32-bit Cygwin:
NMH_CHECK_NDBM(db.h,db,,
dnl Berkeley DBv1 emulating ndbm:
NMH_CHECK_NDBM(ndbm.h,db,,
NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm,,
NMH_CHECK_NDBM(gdbm/ndbm.h,gdbm_compat -lgdbm,,
NMH_CHECK_NDBM(ndbm.h,gdbm,,
- NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm))))))))))
-
+ dnl 64-bit Cygwin:
+ NMH_CHECK_NDBM(ndbm.h,gdbm_compat -lgdbm,,
+ dnl On Linux, libgdbm_compat.so loads libgdbm.so as well, so it doesn't
+ dnl need to be explicit:
+ NMH_CHECK_NDBM(gdbm-ndbm.h,gdbm_compat)))))))))))
fi
else
dnl We don't really need to check that the user-specified values work,
dnl -----------------
AS_IF([test x"$tls_support" = x"yes"],[
+ dnl OpenBSD 5 needs the other-libraries (fourth argument) to the
+ dnl AC_CHECK_LIB for SSL_library_init, because it doesn't
+ dnl automatically append -lcrypto when linking with -lssl.
AC_CHECK_HEADER([openssl/ssl.h], , [AC_MSG_ERROR([openssl/ssl.h not found])])
AC_CHECK_LIB([crypto], [BIO_write], [TLSLIB="-lcrypto"],
[AC_MSG_ERROR([OpenSSL crypto library not found])])
AC_CHECK_LIB([ssl], [SSL_library_init], [TLSLIB="-lssl $TLSLIB"],
- [AC_MSG_ERROR([OpenSSL library not found])])],
+ [AC_MSG_ERROR([OpenSSL library not found])],[$TLSLIB])],
[TLSLIB=])
AC_SUBST([TLSLIB])
-dnl ---------------------
-dnl CHECK TERMCAP LIBRARY
-dnl ---------------------
-
-dnl Add the termcap library, so that the following configure
-dnl tests will find it when it tries to link test programs.
-nmh_save_LIBS="$LIBS"
-LIBS="$TERMLIB $LIBS"
-
-dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer)
-dnl Some termcaps reportedly accept a zero buffer, but then dump core
-dnl in tgetstr().
-dnl Under Cygwin test program crashes but exit code is still 0. So,
-dnl we test for a file that porgram should create
-AH_TEMPLATE([TGETENT_ACCEPTS_NULL],
-[Define to 1 if tgetent() accepts NULL as a buffer.])
-AC_CACHE_CHECK(if tgetent accepts NULL,
-nmh_cv_func_tgetent_accepts_null,
-[AC_TRY_RUN([
-main()
-{
- char buf[4096];
- int r1 = tgetent(buf, "vt100");
- int r2 = tgetent((char*)0,"vt100");
- if (r1 >= 0 && r1 == r2) {
- char tbuf[1024], *u;
- u = tbuf;
- tgetstr("cl", &u);
- creat("conftest.tgetent", 0640);
- }
- exit((r1 != r2) || r2 == -1);
-}
-],
- if test -f conftest.tgetent; then
- nmh_cv_func_tgetent_accepts_null=yes
- else
- nmh_cv_func_tgetent_accepts_null=no
- fi,
- nmh_cv_func_tgetent_accepts_null=no,
- nmh_cv_func_tgetent_accepts_null=no)])
-if test x$nmh_cv_func_tgetent_accepts_null = xyes; then
- AC_DEFINE(TGETENT_ACCEPTS_NULL)
-fi
-AC_CACHE_CHECK(if tgetent returns 0 on success,
-nmh_cv_func_tgetent_zero_success,
-[AC_TRY_RUN([
-main()
-{
- char buf[4096];
- int r1 = tgetent(buf, "!@#$%^&*");
- int r2 = tgetent(buf, "vt100");
- if (r1 < 0 && r2 == 0) {
- char tbuf[1024], *u;
- u = tbuf;
- tgetstr("cl", &u);
- creat("conftest.tgetent0", 0640);
- }
- exit(r1 == r2);
-}
-],
- if test -f conftest.tgetent0; then
- nmh_cv_func_tgetent_zero_success=yes
- else
- nmh_cv_func_tgetent_zero_success=no
- fi,
- nmh_cv_func_tgetent_zero_success=no,
- nmh_cv_func_tgetent_zero_success=no)])
-AH_TEMPLATE([TGETENT_SUCCESS],
-[Define to what tgetent() returns on success (0 on HP-UX X/Open curses).])
-if test x$nmh_cv_func_tgetent_zero_success = xyes; then
- AC_DEFINE(TGETENT_SUCCESS, 0)
-else
- AC_DEFINE(TGETENT_SUCCESS, 1)
-fi
-
-dnl Now put the libraries back to what it was before we
-dnl starting checking the termcap library.
-LIBS="$nmh_save_LIBS"
-
dnl ----------------
dnl CHECK FLEX FIXUP
dnl ----------------
dnl Use LFLAGS make variable setting to work around bugs in flex
-dnl 2.5.35-37 that cause signed/unsigned mismatch,
+dnl 2.5.36 that cause signed/unsigned mismatch,
dnl http://sourceforge.net/p/flex/bugs/140/
AS_IF([test "$LEX" = flex],
[AS_CASE([`$LEX -V`],
- [flex\ 2.5.35], [[LFLAGS=\
-'; printf "%s\n" '\''1,$$s/(size_t) \(num_to_read\)/\1/'\'' w q | ed -s $@']],
- [flex\ 2.5.3@<:@67@:>@], [[LFLAGS=\
-'; printf "%s\n" '\''1,$$s/\( \)int i;/\1yy_size_t i;/'\'' w q | ed -s $@']])
+ [flex\ 2.5.35], [LFLAGS=\
+'; sed -e "s/ int n;/ size_t n;/" $@ >$@.tmp && mv -f $@.tmp $@; true'],
+ [flex\ 2.5.36], [LFLAGS=\
+'; sed -s "s/\( \)int i;/\1yy_size_t i;/" $@ >$@.tmp && mv -f $@.tmp $@; true'])
AC_SUBST([LFLAGS])])
-dnl --------------
-dnl CHECK TYPEDEFS
-dnl --------------
-AC_TYPE_PID_T
-AC_TYPE_OFF_T
-AC_TYPE_UID_T
-AC_TYPE_MODE_T
-AC_TYPE_SIZE_T
-
dnl ----------------
dnl CHECK STRUCTURES
dnl ----------------
dnl
AC_CONFIG_COMMANDS([build-directories],
-[test -d etc || AS_MKDIR_P([etc])
-test -d man || AS_MKDIR_P([man])])
+[test -d man || AS_MKDIR_P([man])])
AC_CONFIG_COMMANDS_POST([
projects / nmh / blobdiff