[Pkg-gnupg-commit] [gnupg2] 120/241: dirmngr: Improve detection of ADNS.

[Daniel Kahn Gillmor]

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dkg pushed a commit to branch master
in repository gnupg2.

commit f92e95175e90120362a7d6376fb32307e11267b5
Author: Werner Koch <wk at gnupg.org>
Date:   Mon Nov 9 20:34:42 2015 +0100

    dirmngr: Improve detection of ADNS.
    
    * configure.ac (HAVE_ADNS_FREE): New ac_define.
    
    Signed-off-by: Werner Koch <wk at gnupg.org>
---
 configure.ac        | 10 ++++------
 dirmngr/dns-stuff.c |  5 +++++
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index 22d1cfc..57bf85e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -943,12 +943,8 @@ AC_ARG_WITH(adns,
                LDFLAGS="${LDFLAGS} -L$withval/lib"
              fi])
 if test "$with_adns" != "no"; then
-  AC_CHECK_HEADERS(adns.h,
-                AC_CHECK_LIB(adns, adns_free,
-                             [have_adns=yes],
-                             [CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}]),
-                             [CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}])
-
+  AC_CHECK_HEADERS(adns.h,AC_CHECK_LIB(adns, adns_init_strcfg,[have_adns=yes]))
+  AC_CHECK_FUNCS(adns_free)
   AC_MSG_CHECKING([if adns supports adns_if_tormode])
   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
     #include <adns.h>
@@ -959,6 +955,8 @@ if test "$with_adns" != "no"; then
     AC_DEFINE(HAVE_ADNS_IF_TORMODE,1,[define if adns_if_tormode is available])
   fi
 fi
+CPPFLAGS=${_cppflags}
+LDFLAGS=${_ldflags}
 if test "$have_adns" = "yes"; then
   ADNSLIBS="-ladns"
 fi
diff --git a/dirmngr/dns-stuff.c b/dirmngr/dns-stuff.c
index 3220d76..cae2c57 100644
--- a/dirmngr/dns-stuff.c
+++ b/dirmngr/dns-stuff.c
@@ -65,6 +65,11 @@
 # define AI_ADDRCONFIG 0
 #endif
 
+/* Provide a replacement function for older ADNS versions.  */
+#ifndef HAVE_ADNS_FREE
+# define adns_free(a) free ((a))
+#endif
+
 /* Not every installation has gotten around to supporting SRVs or
    CERTs yet... */
 #ifndef T_SRV

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