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autofs-5.1.4 - fix libresolv configure check
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From: Ian Kent <raven@themaw.net>
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The libresolv functions are not found by AC_CHECK_LIB() unless
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they are prefixed with "__".
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So change the library check to also look for __<function> during
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the check.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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configure | 41 +++++++++++++++++++++++++++++++++++++++++
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configure.in | 2 +-
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3 files changed, 43 insertions(+), 1 deletion(-)
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diff --git a/CHANGELOG b/CHANGELOG
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index a7bb89dc..dbfb8389 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -13,6 +13,7 @@ xx/xx/2018 autofs-5.1.5
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- fix monotonic_elapsed.
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- Makefiles.rules: remove 'samples' from SUBDIRS.
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- dont allow trailing slash in master map mount points.
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+- fix libresolv configure check.
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19/12/2017 autofs-5.1.4
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- fix spec file url.
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diff --git a/configure b/configure
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index 2d517aac..5c8aae30 100755
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--- a/configure
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+++ b/configure
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@@ -4821,6 +4821,47 @@ fi
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$as_echo "$ac_cv_lib_resolv_res_query" >&6; }
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if test "x$ac_cv_lib_resolv_res_query" = xyes; then :
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LIBRESOLV="-lresolv"
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+else
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+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __res_query in -lresolv" >&5
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+$as_echo_n "checking for __res_query in -lresolv... " >&6; }
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+if ${ac_cv_lib_resolv___res_query+:} false; then :
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+ $as_echo_n "(cached) " >&6
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+else
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+ ac_check_lib_save_LIBS=$LIBS
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+LIBS="-lresolv $LIBS"
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+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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+/* end confdefs.h. */
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+
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+/* Override any GCC internal prototype to avoid an error.
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+ Use char because int might match the return type of a GCC
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+ builtin and then its argument prototype would still apply. */
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+#ifdef __cplusplus
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+extern "C"
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+#endif
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+char __res_query ();
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+int
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+main ()
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+{
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+return __res_query ();
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+ ;
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+ return 0;
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+}
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+_ACEOF
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+if ac_fn_c_try_link "$LINENO"; then :
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+ ac_cv_lib_resolv___res_query=yes
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+else
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+ ac_cv_lib_resolv___res_query=no
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+fi
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+rm -f core conftest.err conftest.$ac_objext \
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+ conftest$ac_exeext conftest.$ac_ext
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+LIBS=$ac_check_lib_save_LIBS
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+fi
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+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv___res_query" >&5
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+$as_echo "$ac_cv_lib_resolv___res_query" >&6; }
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+if test "x$ac_cv_lib_resolv___res_query" = xyes; then :
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+ LIBRESOLV="-lresolv"
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+fi
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+
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fi
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diff --git a/configure.in b/configure.in
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index d74775cc..4d1208f5 100644
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--- a/configure.in
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+++ b/configure.in
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@@ -217,7 +217,7 @@ AC_SUBST(NSL_LIBS)
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NSL_CFLAGS=""
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])
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-AC_CHECK_LIB(resolv, res_query, LIBRESOLV="-lresolv")
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+AC_CHECK_LIB(resolv, res_query, LIBRESOLV="-lresolv", AC_CHECK_LIB(resolv, __res_query, LIBRESOLV="-lresolv"))
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AC_SUBST(LIBRESOLV)
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#
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