X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=configure.in;h=37204fa28b8f0d082122ebbee61fa263f1cb25fd;hp=35c22129a590f05110ce6d428efb92da4604f1e2;hb=ba22f50e4261b7a2a07cd5baf6b035425c45df28;hpb=e001a96010a62d4bd79a33955bb29e3c18bb26fe

diff --git a/configure.in b/configure.in
index 35c2212..37204fa 100644
--- a/configure.in
+++ b/configure.in
@@ -17,7 +17,7 @@ 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)
+    AC_SUBST(GNU_LIBTOOL)dnl
   fi
 ] )
   
@@ -247,7 +247,7 @@ else
 fi])
  
 if test "$nmh_cv_attvibug" = yes; then
-  AC_DEFINE(ATTVIBUG)
+  AC_DEFINE(ATTVIBUG)dnl
 fi
 
 dnl ----------------------------------------------------------
@@ -280,23 +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 ------------------
@@ -366,7 +359,7 @@ AC_CHECK_FUNCS(waitpid wait3 sigaction sigprocmask sigblock sigsetmask \
                sighold sigrelse writev lstat uname tzset killpg mkstemp \
                sethostent)
 
-dnl solaris screws ths up
+dnl solaris screws this up
 AC_CHECK_FUNC(gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)],
   AC_CHECK_LIB(nsl, gethostbyname, [AC_DEFINE(HAVE_GETHOSTBYNAME)] ) )
 
@@ -377,6 +370,26 @@ AC_TRY_LINK([#include <setjmp.h>], [sigsetjmp((void *)0, 0);],
 
 AC_REPLACE_FUNCS(snprintf strerror strdup)
 
+dnl Look for the initgroups() declaration.  On AIX 4.[13] and Solaris 4.1.3,
+dnl the function is defined in libc but there's no declaration in any system
+dnl header.  
+dnl
+dnl On Solaris 2.[456], the declaration is in <grp.h>.  On HP-UX 9-11 and
+dnl (reportedly) FreeBSD 3.[23], it's in <unistd.h>.  Any other locations we
+dnl need to check? 
+AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
+                AC_EGREP_HEADER(initgroups, unistd.h, 
+                                AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
+
+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 -------------------