X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=configure.in;h=f211ca0d4c40d02d0c9c13c7b9a08392ab82f8c6;hp=a5cac97eddb3dc015147b93befc3cbf51c731104;hb=e75d3193f9f7cbfe44f808620fbde90bd3e727c2;hpb=e4f812b967a682665b19183a6189e458e4a983ee

diff --git a/configure.in b/configure.in
index a5cac97..f211ca0 100644
--- a/configure.in
+++ b/configure.in
@@ -9,6 +9,19 @@ AC_CONFIG_HEADER(config.h)
 
 AC_CANONICAL_SYSTEM
 
+dnl ---------------------
+dnl define a macro or two
+dnl ---------------------
+
+AC_DEFUN(NMH_PROG_GNU_LIBTOOL, [
+  tmptest=`$LIBTOOL --version 2>&1 | grep GNU`
+  if test x"$tmptest" != x  ; then
+    GNU_LIBTOOL=1
+    AC_SUBST(GNU_LIBTOOL)dnl
+  fi
+] )
+  
+
 dnl What version of nmh are we building?
 VERSION=`sed -e 's/nmh-//' ${srcdir}/VERSION`
 echo "configuring for nmh-$VERSION"
@@ -155,6 +168,11 @@ dnl Look for `cut'
 pathtmp=/usr/bin:/bin:/usr/local/bin:/usr/xpg4/bin:/usr/ucb
 AC_PATH_PROG(cutpath, cut, no, [$pathtmp])
 
+
+dnl try to figure out which one we've got
+AC_CHECK_PROG(LIBTOOL, libtool, libtool, , [$pathtmp])
+NMH_PROG_GNU_LIBTOOL
+
 dnl Check for lorder and tsort commands
 AC_CHECK_PROG(LORDER, lorder, lorder, no)dnl
 AC_CHECK_PROG(TSORT, tsort, tsort, no)dnl
@@ -165,6 +183,12 @@ if test x$ac_cv_prog_LORDER != xlorder -o x$ac_cv_prog_TSORT != xtsort; then
   TSORT=cat
   AC_SUBST(LORDER)dnl
   AC_SUBST(TSORT)dnl
+dnl Mac OS X has lorder, but sh is too broken for it to work
+dnl elif test -z "`lorder config/config.c 2>&1 | grep config/config.c`" ; then
+dnl   LORDER=echo
+dnl   TSORT=cat
+dnl   AC_SUBST(LORDER)dnl
+dnl   AC_SUBST(TSORT)dnl
 fi
 
 dnl Look for `ls'
@@ -256,23 +280,16 @@ fi
 dnl ...If it's not, we need to #define MAILGROUP to 1 and make inc setgid.
 if test x"$nmh_cv_mailspool_world_writable" = x"no"; then
   dnl do we really need both of these?
-  AC_DEFINE(MAILGROUP)
+  AC_DEFINE(MAILGROUP)dnl
   SETGID_MAIL=1
 fi
 AC_SUBST(SETGID_MAIL)dnl
 
-dnl see if we can determine which group owns the mail spool dir
+dnl Use ls to see which group owns the mail spool directory.
 AC_CACHE_CHECK(what group owns the mail spool, nmh_cv_ls_mail_grp,
 [nmh_cv_ls_mail_grp=`$lspath -dL $nmh_cv_ls_grpopt $mailspool|$AWK '{print $4}'`
- dnl Should we just set it to whatever ls reports, rather than only allowing
- dnl certain values...?
- if test x$nmh_cv_ls_mail_grp = xmail; then
-   MAIL_SPOOL_GRP="mail"
- elif test x$nmh_cv_ls_mail_grp = xwheel; then
-   MAIL_SPOOL_GRP="wheel"
- else
-   MAIL_SPOOL_GRP="'0'"
- fi])
+])
+MAIL_SPOOL_GRP=$nmh_cv_ls_mail_grp
 AC_SUBST(MAIL_SPOOL_GRP)dnl
 
 dnl ------------------
@@ -353,6 +370,15 @@ AC_TRY_LINK([#include <setjmp.h>], [sigsetjmp((void *)0, 0);],
 
 AC_REPLACE_FUNCS(snprintf strerror strdup)
 
+dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
+dnl <stdio.h> or elsewhere.  Apparently it's not officially supported (though it
+dnl seems to work perfectly and IBM apparently uses it in internal code).
+dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
+dnl HAVE_SNPRINTF, we get a billion warnings at compile time.  Use the C
+dnl preprocessor to preprocess stdio.h and make sure that there's actually a 
+dnl prototype. 
+AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE))
+
 dnl -------------------
 dnl CHECK FOR LIBRARIES
 dnl -------------------