diff options
| -rw-r--r-- | m4/cares-override.m4 | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/m4/cares-override.m4 b/m4/cares-override.m4 index afd7aee..72f486e 100644 --- a/m4/cares-override.m4 +++ b/m4/cares-override.m4 @@ -2,7 +2,7 @@ #*************************************************************************** # File version for 'aclocal' use. Keep it a single number. -# serial 5 +# serial 6 dnl CARES_OVERRIDE_AUTOCONF dnl ------------------------------------------------- @@ -89,12 +89,12 @@ m4_defun([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR], [CARES_CHECK_PATH_SEPARATOR m4_define([$0],[])]) -dnl Override Autoconf's AC_CONFIG_MACRO_DIR (DIR) +dnl Provide Autoconf's AC_CONFIG_MACRO_DIR (DIR) dnl ------------------------------------------------- -dnl This is an emulation of Autoconf's 2.61 macro. -dnl This is done to use fixed macro across Autoconf -dnl versions, and avoid warnings from modern libtool -dnl which traces usage of this macro. +dnl Allow usage of mentioned macro in configure.ac +dnl even with ancient Autoconf versions, such as 2.57, +dnl that do not provide a definition for this macro. -AC_DEFUN([AC_CONFIG_MACRO_DIR],[:]) +m4_ifndef([AC_CONFIG_MACRO_DIR], +[AC_DEFUN([AC_CONFIG_MACRO_DIR],[:])]) |