vendor/unbound/1.4.21

1 files changed, 24 insertions, 17 deletions

diff --git a/acx_nlnetlabs.m4 b/acx_nlnetlabs.m4
index e90c81ea02ab..90f1315bb6a8 100644
--- a/acx_nlnetlabs.m4
+++ b/acx_nlnetlabs.m4
@@ -2,7 +2,11 @@
 # Copyright 2009, Wouter Wijngaards, NLnet Labs.   
 # BSD licensed.
 #
-# Version 21
+# Version 25
+# 2013-07-18 Enable ACX_CHECK_COMPILER_FLAG to test for -Wstrict-prototypes
+# 2013-06-25 FLTO has --disable-flto option.
+# 2013-05-03 Update W32_SLEEP for newer mingw that links but not defines it.
+# 2013-03-22 Fix ACX_RSRC_VERSION for long version numbers.
 # 2012-02-09 Fix AHX_MEMCMP_BROKEN with undef in compat/memcmp.h.
 # 2012-01-20 Fix COMPILER_FLAGS_UNBOUND for gcc 4.6.2 assigned-not-used-warns.
 # 2011-12-05 Fix getaddrinfowithincludes on windows with fedora16 mingw32-gcc.
@@ -101,7 +105,7 @@ dnl Calculate comma separated windows-resource numbers from package version.
 dnl Picks the first three(,0) or four numbers out of the name.
 dnl $1: variable for the result
 AC_DEFUN([ACX_RSRC_VERSION], 
-[$1=[`echo $PACKAGE_VERSION | sed -e 's/^[^0-9]*\([0-9]\)[^0-9]*\([0-9]\)[^0-9]*\([0-9]\)[^0-9]*\([0-9]\).*$/\1,\2,\3,\4/' -e 's/^[^0-9]*\([0-9]\)[^0-9]*\([0-9]\)[^0-9]*\([0-9]\)[^0-9]*$/\1,\2,\3,0/' `]
+[$1=[`echo $PACKAGE_VERSION | sed -e 's/^[^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\).*$/\1,\2,\3,\4/' -e 's/^[^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9]*$/\1,\2,\3,0/' `]
 ])
 
 dnl Routine to help check for compiler flags.
@@ -116,7 +120,7 @@ AC_MSG_CHECKING(whether $CC supports -$1)
 cache=`echo $1 | sed 'y%.=/+-%___p_%'`
 AC_CACHE_VAL(cv_prog_cc_flag_$cache,
 [
-echo 'void f(){}' >conftest.c
+echo 'void f(void){}' >conftest.c
 if test -z "`$CC $CPPFLAGS $CFLAGS -$1 -c conftest.c 2>&1`"; then
 eval "cv_prog_cc_flag_$cache=yes"
 else
@@ -405,19 +409,22 @@ int test() {
 dnl Check if CC supports -flto.
 dnl in a way that supports clang and suncc (that flag does something else,
 dnl but fails to link).  It sets it in CFLAGS if it works.
-AC_DEFUN([ACX_CHECK_FLTO],
-[AC_MSG_CHECKING([if $CC supports -flto])
-BAKCFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -flto"
-AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [
-    if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then
-	CFLAGS="$BAKCFLAGS"
-	AC_MSG_RESULT(no)
-    else
-	AC_MSG_RESULT(yes)
-    fi
-    rm -f conftest conftest.c conftest.o
-], [CFLAGS="$BAKCFLAGS" ; AC_MSG_RESULT(no)])
+AC_DEFUN([ACX_CHECK_FLTO], [
+    AC_ARG_ENABLE([flto], AS_HELP_STRING([--disable-flto], [Disable link-time optimization]))
+    AS_IF([test "x$enable_flto" != "xno"], [
+        AC_MSG_CHECKING([if $CC supports -flto])
+        BAKCFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS -flto"
+        AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [
+            if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then
+                CFLAGS="$BAKCFLAGS"
+                AC_MSG_RESULT(no)
+            else
+                AC_MSG_RESULT(yes)
+            fi
+            rm -f conftest conftest.c conftest.o
+        ], [CFLAGS="$BAKCFLAGS" ; AC_MSG_RESULT(no)])
+    ])
 ])
 
 dnl Check the printf-format attribute (if any)
@@ -1208,7 +1215,7 @@ struct tm *gmtime_r(const time_t *timep, struct tm *result);
 dnl provide w32 compat definition for sleep
 AC_DEFUN([AHX_CONFIG_W32_SLEEP],
 [
-#ifndef HAVE_SLEEP
+#if !defined(HAVE_SLEEP) || defined(HAVE_WINDOWS_H)
 #define sleep(x) Sleep((x)*1000) /* on win32 */
 #endif /* HAVE_SLEEP */
 ])