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-rw-r--r--config/override.m4104
1 files changed, 0 insertions, 104 deletions
diff --git a/config/override.m4 b/config/override.m4
deleted file mode 100644
index 52bd1c3..0000000
--- a/config/override.m4
+++ /dev/null
@@ -1,104 +0,0 @@
-dnl Fix Autoconf bugs by overriding broken internal Autoconf
-dnl macros with backports of fixes from newer releases.
-dnl
-dnl The override bits of this file should be a no-op for the newest
-dnl Autoconf version, which means they can be removed once the complete
-dnl tree has moved to a new enough Autoconf version.
-dnl
-dnl The _GCC_AUTOCONF_VERSION_TEST ensures that exactly the desired
-dnl Autoconf version is used. It should be kept for consistency.
-
-dnl Use ifdef/ifelse over m4_ifdef/m4_ifelse to be clean for 2.13.
-ifdef([m4_PACKAGE_VERSION], [
-
-dnl Provide m4_copy_force and m4_rename_force for old Autoconf versions.
-
-m4_ifndef([m4_copy_force],
-[m4_define([m4_copy_force],
-[m4_ifdef([$2], [m4_undefine([$2])])m4_copy($@)])])
-
-m4_ifndef([m4_rename_force],
-[m4_define([m4_rename_force],
-[m4_ifdef([$2], [m4_undefine([$2])])m4_rename($@)])])
-
-dnl AC_DEFUN a commonly used macro so this file is picked up.
-m4_copy([AC_PREREQ], [_AC_PREREQ])
-AC_DEFUN([AC_PREREQ], [frob])
-m4_copy_force([_AC_PREREQ], [AC_PREREQ])
-
-
-dnl Ensure exactly this Autoconf version is used
-m4_ifndef([_GCC_AUTOCONF_VERSION],
- [m4_define([_GCC_AUTOCONF_VERSION], [2.64])])
-
-dnl Test for the exact version when AC_INIT is expanded.
-dnl This allows to update the tree in steps (for testing)
-dnl by putting
-dnl m4_define([_GCC_AUTOCONF_VERSION], [X.Y])
-dnl in configure.ac before AC_INIT,
-dnl without rewriting this file.
-dnl Or for updating the whole tree at once with the definition above.
-AC_DEFUN([_GCC_AUTOCONF_VERSION_CHECK],
-[m4_if(m4_defn([_GCC_AUTOCONF_VERSION]),
- m4_defn([m4_PACKAGE_VERSION]), [],
- [m4_fatal([Please use exactly Autoconf ]_GCC_AUTOCONF_VERSION[ instead of ]m4_defn([m4_PACKAGE_VERSION])[.])])
-])
-m4_define([AC_INIT], m4_defn([AC_INIT])[
-_GCC_AUTOCONF_VERSION_CHECK
-])
-
-
-dnl Ensure we do not use a buggy M4.
-m4_if(m4_index([..wi.d.], [.d.]), [-1],
- [m4_fatal(m4_do([m4 with buggy strstr detected. Please install
-GNU M4 1.4.16 or newer and set the M4 environment variable]))])
-
-
-dnl Fix 2.64 cross compile detection for AVR and RTEMS
-dnl by not trying to compile fopen.
-m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.64],
- [m4_foreach([_GCC_LANG], [C, C++, Fortran, Fortran 77],
- [m4_define([_AC_LANG_IO_PROGRAM(]_GCC_LANG[)], m4_defn([AC_LANG_PROGRAM(]_GCC_LANG[)]))])])
-
-m4_version_prereq([2.66],, [
-dnl We need AC_CHECK_DECL which works for overloaded C++ functions.
-
-# _AC_CHECK_DECL_BODY
-# -------------------
-# Shell function body for AC_CHECK_DECL.
-m4_define([_AC_CHECK_DECL_BODY],
-[ AS_LINENO_PUSH([$[]1])
- [as_decl_name=`echo $][2|sed 's/ *(.*//'`]
- [as_decl_use=`echo $][2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`]
- AC_CACHE_CHECK([whether $as_decl_name is declared], [$[]3],
- [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$[]4],
-[@%:@ifndef $[]as_decl_name
-@%:@ifdef __cplusplus
- (void) $[]as_decl_use;
-@%:@else
- (void) $[]as_decl_name;
-@%:@endif
-@%:@endif
-])],
- [AS_VAR_SET([$[]3], [yes])],
- [AS_VAR_SET([$[]3], [no])])])
- AS_LINENO_POP
-])# _AC_CHECK_DECL_BODY
-
-# _AC_CHECK_DECLS(SYMBOL, ACTION-IF_FOUND, ACTION-IF-NOT-FOUND,
-# INCLUDES)
-# -------------------------------------------------------------
-# Helper to AC_CHECK_DECLS, which generates the check for a single
-# SYMBOL with INCLUDES, performs the AC_DEFINE, then expands
-# ACTION-IF-FOUND or ACTION-IF-NOT-FOUND.
-m4_define([_AC_CHECK_DECLS],
-[AC_CHECK_DECL([$1], [ac_have_decl=1], [ac_have_decl=0], [$4])]dnl
-[AC_DEFINE_UNQUOTED(AS_TR_CPP(m4_bpatsubst(HAVE_DECL_[$1],[ *(.*])),
- [$ac_have_decl],
- [Define to 1 if you have the declaration of `$1',
- and to 0 if you don't.])]dnl
-[m4_ifvaln([$2$3], [AS_IF([test $ac_have_decl = 1], [$2], [$3])])])
-
-])
-
-])