Changes to m4/. All files

m4/ax_boost_regex.m4

@@ -57,9 +57,8 @@ AC_DEFUN([AX_BOOST_REGEX],         AC_CACHE_CHECK([whether the Boost::Regex library is available],                        [ax_cv_boost_regex],         [AC_LANG_PUSH([C++])-             AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/regex.hpp>-                                                ]],-                                   [[boost::regex r(); return 0;]])],+             AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/regex.hpp>]],+                                                [[boost::regex r()]])],                    [ax_cv_boost_regex=yes],                    [ax_cv_boost_regex=no])          AC_LANG_POP([C++])

m4/ax_check_bzip3lib.m4

@@ -105,11 +105,15 @@ then   AC_LANG_PUSH([C])   AC_CHECK_LIB([bzip3], [bz3_new], [bzip3_cv_libbzip3=yes], [bzip3_cv_libbzip3=no])   AC_CHECK_HEADER([libbz3.h], [bzip3_cv_libbz3_h=yes], [bzip3_cv_libbz3_h=no])+  AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <libbz3.h>]],+                                     [[struct bz3_state *s=0; uint8_t *b=0; bz3_decode_block(s,b,0,0,0)]])],+      [bzip3_cv_libbz3_v150=yes],+      [bzip3_cv_libbz3_v150=no])   AC_LANG_POP([C])-  if test "$bzip3_cv_libbzip3" = "yes" && test "$bzip3_cv_libbz3_h" = "yes"+  if test "$bzip3_cv_libbzip3" = "yes" && test "$bzip3_cv_libbz3_h" = "yes" && test "$bzip3_cv_libbz3_v150" = "yes"   then     #-    # If both library and header were found, action-if-found+    # If both library and header were found and version >= 1.5.0, action-if-found     #     m4_ifblank([$1],[                 CPPFLAGS="$CPPFLAGS -I${BZIP3_HOME}/include"