nss-pam-ldapd branch master updated. 0.9.2-31-gf6a0675

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- Log -----------------------------------------------------------------
http://arthurdejong.org/git/nss-pam-ldapd/commit/?id=f6a067594d2527f0ce950c3117138df09413c007

commit f6a067594d2527f0ce950c3117138df09413c007
Author: Arthur de Jong <arthur@arthurdejong.org>
Date:   Sat Jan 25 18:19:02 2014 +0100

    Add test for krb5 thread safety
    
    This adds a test that checks the return value of krb5_is_thread_safe()
    to see if krb5 is thread safe (during build) and issues a warning if it
    is not.
    
    nslcd does not directly link to krb5 but the library may be loaded (by
    GSSAPI) if Kerberos is used to authenticate nslcd to the LDAP server.

diff --git a/configure.ac b/configure.ac
index 864d5dc..213c510 100644
--- a/configure.ac
+++ b/configure.ac
@@ -675,7 +675,7 @@ then
   fi
   if test "x$enable_kerberos" = "xyes"
   then
-    AC_CHECK_HEADERS(gssapi/gssapi.h gssapi/gssapi_generic.h 
gssapi/gssapi_krb5.h gssapi.h)
+    AC_CHECK_HEADERS(gssapi/gssapi.h gssapi/gssapi_generic.h 
gssapi/gssapi_krb5.h gssapi.h krb5.h)
   fi
   AC_CHECK_HEADERS(regex.h)
 
@@ -788,6 +788,41 @@ then
   then
     AC_SEARCH_LIBS(gss_krb5_ccache_name, gssapi gssapi_krb5)
     AC_CHECK_FUNCS(gss_krb5_ccache_name)
+
+    # save CFLAGS and LIBS to restore later
+    krb5_save_CFLAGS="$CFLAGS"
+    krb5_save_LIBS="$LIBS"
+
+    # find library that contains krb5_is_thread_safe
+    AC_SEARCH_LIBS(krb5_sendauth, [krb5 'krb5 -lcrypto -ldes -lasn1 -lroken'])
+    AC_CHECK_FUNCS(krb5_is_thread_safe)
+
+    # see if krb5 is thread safe
+    if test "x$ac_cv_func_krb5_is_thread_safe" == "xyes"
+    then
+      AC_CACHE_CHECK(
+          [krb5 thread safety],
+          nslcd_cv_krb5_is_thread_safe,
+              [AC_RUN_IFELSE(
+                  [AC_LANG_PROGRAM([[
+                      #include <krb5.h>
+                      ]], [[
+                      if (!krb5_is_thread_safe())
+                        return 1;
+                      ]])],
+                  [nslcd_cv_krb5_is_thread_safe=yes],
+                  [nslcd_cv_krb5_is_thread_safe=no],
+                  [nslcd_cv_krb5_is_thread_safe=unknown])])
+      if test "x$nslcd_cv_krb5_is_thread_safe" == "xno"
+      then
+        AC_MSG_WARN([krb5 is NOT thread safe])
+      fi
+    fi
+
+    # restore CFLAGS and LIBS because we don't directly use krb5
+    CFLAGS="$krb5_save_CFLAGS"
+    LIBS="$krb5_save_LIBS"
+
   fi
 
   # check for ldap function availability

-----------------------------------------------------------------------

Summary of changes:
 configure.ac |   37 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)


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