X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/cce1fc3879071125169f43ce5e82465d2fda3da0..f345b9b480296b4b6a8469d6221752893c5d1420:/configure.ac diff --git a/configure.ac b/configure.ac index 30afee83..a2f0c5ed 100644 --- a/configure.ac +++ b/configure.ac @@ -74,17 +74,16 @@ AS_IF([test -n "$with_smtpservers"], [smtpservers="$with_smtpservers"], [smtpservers="localhost"]) AC_SUBST([smtpservers])dnl -dnl ---------------------------------------------------- -dnl Default location is /usr/local/nmh/{bin,etc,lib,man} -dnl ---------------------------------------------------- +dnl ------------------------------------------------------------------- +dnl Default location is /usr/local/nmh/{bin,etc,libexec,man}, unless we +dnl find an existing installation, in which case we use its location. +dnl ------------------------------------------------------------------- AC_PREFIX_DEFAULT([/usr/local/nmh]) +AC_PREFIX_PROGRAM([mhparam]) dnl ------------------ dnl CHECK THE COMPILER dnl ------------------ -dnl We want these before the checks, -dnl so the checks can modify their values. -test -z "$CFLAGS" && auto_cflags=1 AC_PROG_CC([cc gcc]) AM_PROG_CC_C_O @@ -92,72 +91,61 @@ AM_PROG_CC_C_O dnl ---------------- dnl CUSTOMIZE CFLAGS dnl ---------------- -if test -n "$auto_cflags"; then - 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="$CFLAGS" - CPPFLAGS="-D_GNU_SOURCE" - CFLAGS="-ansi -Wall -Werror" - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include ],[tzset();])], - [nmh_cv_has_dash_ansi=yes], - [nmh_cv_has_dash_ansi=no]) - CPPFLAGS="$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 ], - [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 - 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([`${CC} -V 2>&1`], - [cc:\ Sun\ C*], [CFLAGS=\ +dnl The user didn't specify CFLAGS, so customize them. +if test "$GCC" != yes; then + 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:+$CFLAGS }-v -errtags=yes -erroff=E_STATEMENT_NOT_REACHED"]) - fi +fi - AC_CACHE_CHECK([whether compiler supports -Wall], [nmh_cv_has_wall], - [nmh_saved_cflags="$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:+$CFLAGS }-Wextra" +AC_CACHE_CHECK([whether compiler supports -Wall], [nmh_cv_has_wall], + [nmh_saved_cflags="$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:+$CFLAGS }-Wextra" + +if test "$GCC" = yes; then + dnl Do this regardless of auto_cflags value. + dnl Enable _FORTIFY_SOURCE checking, which is supported by + dnl gcc 4.1 and later, but only when optimization is enabled. + dnl It shouldn't hurt with earlier versions because it's a cpp macro. + dnl If the user configures with a CFLAGS that contains a -O flag + dnl but then removes it a make time, they'll also have to remove + dnl -D_FORTIFY_SOURCE from CPPFLAGS because it requires optimization. + AS_CASE([$CFLAGS], + [-O*|*' -O'*],[CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }-D_FORTIFY_SOURCE=2"]) fi dnl FreeBSD needs a bit of magic to bring getline() into scope. dnl We do this here rather than in (say) h/mh.h because this macro must dnl be defined before is pulled in. +dnl +dnl And while we're here, add the packages tree to the cpp and ld search +dnl paths. Note that FreeBSD's pkg(8) seems to be hardwired to use /usr/local. +dnl If /usr/ports is installed, we use its idea of where things are installed, +dnl otherwise we assume /usr/local. + AS_IF([test `uname` = FreeBSD], - [CPPFLAGS="$CPPFLAGS -D_WITH_GETLINE"]) + [CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }-D_WITH_GETLINE" + nmh_cv_freebsd_localbase=`echo '.include ' \ + | make -k -f /dev/stdin -V LOCALBASE 2>/dev/null | sed 1q` + test -z "$nmh_cv_freebsd_localbase" && nmh_cv_freebsd_localbase=/usr/local + CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }-I$nmh_cv_freebsd_localbase/include" + LDFLAGS="${LDFLAGS:+$LDFLAGS }-L$nmh_cv_freebsd_localbase/lib" +]) dnl -------------- dnl CUSTOMIZE LINK @@ -196,11 +184,12 @@ AC_HEADER_ASSERT dnl ------------------ dnl CHECK FOR PROGRAMS dnl ------------------ -AC_PROG_MAKE_SET dnl Does make define $MAKE -AC_PROG_INSTALL dnl Check for BSD compatible `install' -AC_PROG_RANLIB dnl Check for `ranlib' +AC_PROG_MAKE_SET dnl Does make define $MAKE +AC_PROG_INSTALL dnl Check for BSD compatible `install' +AC_PROG_RANLIB dnl Check for `ranlib' AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk -AC_PROG_SED dnl Check for Posix-compliant sed +AC_PROG_SED dnl Check for Posix-compliant sed +AC_PROG_YACC dnl Check for yacc/bison AM_PROG_LEX dnl Check for lex/flex AM_PROG_AR @@ -296,7 +285,7 @@ AS_IF([test x"$DISABLE_SETGID_MAIL" != x -a x"$DISABLE_SETGID_MAIL" != x0], dnl If mailspool is not world-writable and dotlockfile is not setgid, dnl we need to #define MAILGROUP to 1 and make inc setgid. -if test x"$LOCKTYPE" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then +if test x"$with_locking" = x"dot" -a x"$nmh_cv_mailspool_world_writable" = x"no" -a x"$nmh_cv_dotlockfile_setgid" != x"yes" ; then dnl do we really need both of these? AC_DEFINE([MAILGROUP],[1], [Define to 1 if you need to make `inc' set-group-id because your mail spool is not world writable. There are no guarantees as to the safety of doing this, but this #define will add some extra security checks.])dnl @@ -331,8 +320,7 @@ dnl before system header files. AS_CASE(["$host_os"], [linux*], [# Like DEFS, but doesn't get stomped on by configure when using config.h: - AS_IF([test -z "$CPPFLAGS"],[CPPFLAGS="-D_GNU_SOURCE"], - [CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"])]) + CPPFLAGS="${CPPFLAGS:+$CPPFLAGS }-D_GNU_SOURCE"]) AC_HEADER_TIOCGWINSZ AC_CHECK_HEADERS([fcntl.h wchar.h wctype.h sys/param.h sys/time.h sys/stream.h]) @@ -501,11 +489,18 @@ dnl http://sourceforge.net/p/flex/bugs/140/ AS_IF([test "$LEX" = flex], [AS_CASE([`$LEX -V`], [flex\ 2.5.35], [LFLAGS=\ -'; sed -e "s/ int n;/ size_t n;/" $@ >$@.tmp && mv -f $@.tmp $@'], +'; sed "s/ int n;/ size_t n;/" $@ >$@.tmp && mv -f $@.tmp $@'], [flex\ 2.5.3[[67]]], [LFLAGS=\ -'; sed -s "s/\( \)int i;/\1yy_size_t i;/" $@ >$@.tmp && mv -f $@.tmp $@']) +'; sed "s/\( \)int i;/\1yy_size_t i;/" $@ >$@.tmp && mv -f $@.tmp $@']) AC_SUBST([LFLAGS])]) +dnl ------------------ +dnl FOR INTERNAL USE by the NMH test suite +dnl ------------------ +AC_ARG_VAR([NMHETCDIRINST], [for internal use by nmh test suite]) +AS_IF([test -n "$NMHETCDIRINST"], [nmhetcdirinst=$NMHETCDIRINST] + AC_SUBST([nmhetcdirinst])) + dnl ---------------- dnl CHECK STRUCTURES dnl ---------------- @@ -555,9 +550,10 @@ dnl We only use the expanded versions to print the install paths in dnl the final summary and should use them nowhere else (see the autoconf dnl docs for the rationale for bindir etc being unexpanded). eval "nmhbin=${bindir}"; eval "nmhbin=${nmhbin}" +eval "nmhlibexec=${libexecdir}"; eval "nmhlibexec=${nmhlibexec}" eval "nmhsysconf=${sysconfdir}"; eval "nmhsysconf=${nmhsysconf}" -eval "nmhlib=${libdir}"; eval "nmhlib=${nmhlib}" eval "nmhman=${mandir}"; eval "nmhman=${nmhman}" +eval "nmhdoc=${docdir}"; eval "nmhdoc=${nmhdoc}" eval "nmhrpm=${nmhrpm}"; AC_MSG_NOTICE([ @@ -571,9 +567,10 @@ linker flags : ${LDFLAGS} preprocessor flags : ${CPPFLAGS} source code location : ${srcdir} binary install path : ${nmhbin} -library install path : ${nmhlib} -config files install path : ${nmhsysconf} +libexec install path : ${nmhlibexec}/nmh +config files install path : ${nmhsysconf}/nmh man page install path : ${nmhman} +docs install path : ${nmhdoc} RPM build root : ${nmhrpm} backup prefix : ${backup_prefix} transport system : ${MTS}