dnl Fix Autoconf-2.59 bugs: by overriding broken internal
|
dnl Fix Autoconf-2.59 bugs: by overriding broken internal
|
dnl Autoconf macros with backports of the 2.60+ fix.
|
dnl Autoconf macros with backports of the 2.60+ fix.
|
dnl - AC_CONFIG_SUBDIRS whitespace mangling,
|
dnl - AC_CONFIG_SUBDIRS whitespace mangling,
|
dnl - more lenient precious variable checks
|
dnl - more lenient precious variable checks
|
dnl - better configure error message
|
dnl - better configure error message
|
dnl - reliance on non-Posix m4wrap (M4 1.6 or newer implement FIFO)
|
dnl - reliance on non-Posix m4wrap (M4 1.6 or newer implement FIFO)
|
dnl
|
dnl
|
dnl The override bits of this file should be a no-op for the newest
|
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 Autoconf version, which means they can be removed once the complete
|
dnl tree has moved to a new enough Autoconf version.
|
dnl tree has moved to a new enough Autoconf version.
|
dnl
|
dnl
|
dnl The _GCC_AUTOCONF_VERSION_TEST ensures that exactly the desired
|
dnl The _GCC_AUTOCONF_VERSION_TEST ensures that exactly the desired
|
dnl Autoconf version is used. It should be kept for consistency.
|
dnl Autoconf version is used. It should be kept for consistency.
|
|
|
dnl m4_PACKAGE_VERSION is an undocumented Autoconf macro.
|
dnl m4_PACKAGE_VERSION is an undocumented Autoconf macro.
|
dnl We use it because this fix is intended for 2.59 only.
|
dnl We use it because this fix is intended for 2.59 only.
|
dnl A feature test for the broken AC_CONFIG_SUBDIRS instead
|
dnl A feature test for the broken AC_CONFIG_SUBDIRS instead
|
dnl would be better but is tricky.
|
dnl would be better but is tricky.
|
dnl
|
dnl
|
dnl Use ifdef/ifelse over m4_ifdef/m4_ifelse to be clean for 2.13.
|
dnl Use ifdef/ifelse over m4_ifdef/m4_ifelse to be clean for 2.13.
|
dnl Redefine AC_CONFIG_SUBDIRS so aclocal pulls in this file
|
dnl Redefine AC_CONFIG_SUBDIRS so aclocal pulls in this file
|
dnl when needed.
|
dnl when needed.
|
|
|
ifdef([m4_PACKAGE_VERSION],
|
ifdef([m4_PACKAGE_VERSION],
|
[dnl AC_DEFUN a commonly used macro so this file is picked up.
|
[dnl AC_DEFUN a commonly used macro so this file is picked up.
|
m4_copy([AC_PREREQ], [_AC_PREREQ])
|
m4_copy([AC_PREREQ], [_AC_PREREQ])
|
AC_DEFUN([AC_PREREQ], [frob])
|
AC_DEFUN([AC_PREREQ], [frob])
|
m4_copy([_AC_PREREQ], [AC_PREREQ])
|
m4_copy([_AC_PREREQ], [AC_PREREQ])
|
|
|
|
|
dnl Ensure exactly this Autoconf version is used
|
dnl Ensure exactly this Autoconf version is used
|
m4_ifndef([_GCC_AUTOCONF_VERSION],
|
m4_ifndef([_GCC_AUTOCONF_VERSION],
|
[m4_define([_GCC_AUTOCONF_VERSION], [2.59])])
|
[m4_define([_GCC_AUTOCONF_VERSION], [2.59])])
|
|
|
dnl Test for the exact version when AC_INIT is expanded.
|
dnl Test for the exact version when AC_INIT is expanded.
|
dnl This allows to update the tree in steps (for testing)
|
dnl This allows to update the tree in steps (for testing)
|
dnl by putting
|
dnl by putting
|
dnl m4_define([_GCC_AUTOCONF_VERSION], [X.Y])
|
dnl m4_define([_GCC_AUTOCONF_VERSION], [X.Y])
|
dnl in configure.ac before AC_INIT,
|
dnl in configure.ac before AC_INIT,
|
dnl without rewriting this file.
|
dnl without rewriting this file.
|
dnl Or for updating the whole tree at once with the definition above.
|
dnl Or for updating the whole tree at once with the definition above.
|
AC_DEFUN([_GCC_AUTOCONF_VERSION_CHECK],
|
AC_DEFUN([_GCC_AUTOCONF_VERSION_CHECK],
|
[m4_if(m4_defn([_GCC_AUTOCONF_VERSION]),
|
[m4_if(m4_defn([_GCC_AUTOCONF_VERSION]),
|
m4_defn([m4_PACKAGE_VERSION]), [],
|
m4_defn([m4_PACKAGE_VERSION]), [],
|
[m4_fatal([Please use exactly Autoconf ]_GCC_AUTOCONF_VERSION[ instead of ]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])[
|
m4_define([AC_INIT], m4_defn([AC_INIT])[
|
_GCC_AUTOCONF_VERSION_CHECK
|
_GCC_AUTOCONF_VERSION_CHECK
|
])
|
])
|
|
|
m4_version_prereq([2.60],, [
|
m4_version_prereq([2.60],, [
|
dnl We use $ac_pwd in some of the overrides below; ensure its definition
|
dnl We use $ac_pwd in some of the overrides below; ensure its definition
|
m4_divert_push([PARSE_ARGS])dnl
|
m4_divert_push([PARSE_ARGS])dnl
|
ac_pwd=`pwd`
|
ac_pwd=`pwd`
|
m4_divert_pop([PARSE_ARGS])dnl
|
m4_divert_pop([PARSE_ARGS])dnl
|
])
|
])
|
|
|
|
|
m4_version_prereq([2.60],, [
|
m4_version_prereq([2.60],, [
|
|
|
# _AC_OUTPUT_SUBDIRS
|
# _AC_OUTPUT_SUBDIRS
|
# ------------------
|
# ------------------
|
# This is a subroutine of AC_OUTPUT, but it does not go into
|
# This is a subroutine of AC_OUTPUT, but it does not go into
|
# config.status, rather, it is called after running config.status.
|
# config.status, rather, it is called after running config.status.
|
m4_define([_AC_OUTPUT_SUBDIRS],
|
m4_define([_AC_OUTPUT_SUBDIRS],
|
[
|
[
|
#
|
#
|
# CONFIG_SUBDIRS section, as fixed in confsubdir.m4.
|
# CONFIG_SUBDIRS section, as fixed in confsubdir.m4.
|
#
|
#
|
if test "$no_recursion" != yes; then
|
if test "$no_recursion" != yes; then
|
|
|
# Remove --cache-file and --srcdir arguments so they do not pile up.
|
# Remove --cache-file and --srcdir arguments so they do not pile up.
|
ac_sub_configure_args=
|
ac_sub_configure_args=
|
ac_prev=
|
ac_prev=
|
eval "set x $ac_configure_args"
|
eval "set x $ac_configure_args"
|
shift
|
shift
|
for ac_arg
|
for ac_arg
|
do
|
do
|
if test -n "$ac_prev"; then
|
if test -n "$ac_prev"; then
|
ac_prev=
|
ac_prev=
|
continue
|
continue
|
fi
|
fi
|
case $ac_arg in
|
case $ac_arg in
|
-cache-file | --cache-file | --cache-fil | --cache-fi \
|
-cache-file | --cache-file | --cache-fil | --cache-fi \
|
| --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
|
| --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
|
ac_prev=cache_file ;;
|
ac_prev=cache_file ;;
|
-cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
|
-cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
|
| --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \
|
| --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \
|
| --c=*)
|
| --c=*)
|
;;
|
;;
|
--config-cache | -C)
|
--config-cache | -C)
|
;;
|
;;
|
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
|
-srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
|
ac_prev=srcdir ;;
|
ac_prev=srcdir ;;
|
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
|
-srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
|
;;
|
;;
|
-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
|
-prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
|
ac_prev=prefix ;;
|
ac_prev=prefix ;;
|
-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
|
-prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
|
;;
|
;;
|
*)
|
*)
|
case $ac_arg in
|
case $ac_arg in
|
*\'*) ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
|
*\'*) ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
|
esac
|
esac
|
ac_sub_configure_args="$ac_sub_configure_args '$ac_arg'" ;;
|
ac_sub_configure_args="$ac_sub_configure_args '$ac_arg'" ;;
|
esac
|
esac
|
done
|
done
|
|
|
# Always prepend --prefix to ensure using the same prefix
|
# Always prepend --prefix to ensure using the same prefix
|
# in subdir configurations.
|
# in subdir configurations.
|
ac_arg="--prefix=$prefix"
|
ac_arg="--prefix=$prefix"
|
case $ac_arg in
|
case $ac_arg in
|
*\'*) ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
|
*\'*) ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
|
esac
|
esac
|
ac_sub_configure_args="$ac_arg $ac_sub_configure_args"
|
ac_sub_configure_args="$ac_arg $ac_sub_configure_args"
|
|
|
ac_popdir=`pwd`
|
ac_popdir=`pwd`
|
for ac_dir in : $subdirs; do test "x$ac_dir" = x: && continue
|
for ac_dir in : $subdirs; do test "x$ac_dir" = x: && continue
|
|
|
# Do not complain, so a configure script can configure whichever
|
# Do not complain, so a configure script can configure whichever
|
# parts of a large source tree are present.
|
# parts of a large source tree are present.
|
test -d "$srcdir/$ac_dir" || continue
|
test -d "$srcdir/$ac_dir" || continue
|
|
|
AC_MSG_NOTICE([configuring in $ac_dir])
|
AC_MSG_NOTICE([configuring in $ac_dir])
|
AS_MKDIR_P(["$ac_dir"])
|
AS_MKDIR_P(["$ac_dir"])
|
_AC_SRCPATHS(["$ac_dir"])
|
_AC_SRCPATHS(["$ac_dir"])
|
|
|
cd "$ac_dir"
|
cd "$ac_dir"
|
|
|
# Check for guested configure; otherwise get Cygnus style configure.
|
# Check for guested configure; otherwise get Cygnus style configure.
|
if test -f "$ac_srcdir/configure.gnu"; then
|
if test -f "$ac_srcdir/configure.gnu"; then
|
ac_sub_configure=$ac_srcdir/configure.gnu
|
ac_sub_configure=$ac_srcdir/configure.gnu
|
elif test -f "$ac_srcdir/configure"; then
|
elif test -f "$ac_srcdir/configure"; then
|
ac_sub_configure=$ac_srcdir/configure
|
ac_sub_configure=$ac_srcdir/configure
|
elif test -f "$ac_srcdir/configure.in"; then
|
elif test -f "$ac_srcdir/configure.in"; then
|
# This should be Cygnus configure.
|
# This should be Cygnus configure.
|
ac_sub_configure=$ac_aux_dir/configure
|
ac_sub_configure=$ac_aux_dir/configure
|
else
|
else
|
AC_MSG_WARN([no configuration information is in $ac_dir])
|
AC_MSG_WARN([no configuration information is in $ac_dir])
|
ac_sub_configure=
|
ac_sub_configure=
|
fi
|
fi
|
|
|
# The recursion is here.
|
# The recursion is here.
|
if test -n "$ac_sub_configure"; then
|
if test -n "$ac_sub_configure"; then
|
# Make the cache file name correct relative to the subdirectory.
|
# Make the cache file name correct relative to the subdirectory.
|
case $cache_file in
|
case $cache_file in
|
[[\\/]]* | ?:[[\\/]]* ) ac_sub_cache_file=$cache_file ;;
|
[[\\/]]* | ?:[[\\/]]* ) ac_sub_cache_file=$cache_file ;;
|
*) # Relative path.
|
*) # Relative path.
|
ac_sub_cache_file=$ac_top_builddir$cache_file ;;
|
ac_sub_cache_file=$ac_top_builddir$cache_file ;;
|
esac
|
esac
|
|
|
AC_MSG_NOTICE([running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir])
|
AC_MSG_NOTICE([running $SHELL $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file --srcdir=$ac_srcdir])
|
# The eval makes quoting arguments work.
|
# The eval makes quoting arguments work.
|
eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \
|
eval "\$SHELL \"\$ac_sub_configure\" $ac_sub_configure_args \
|
--cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" ||
|
--cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" ||
|
AC_MSG_ERROR([$ac_sub_configure failed for $ac_dir])
|
AC_MSG_ERROR([$ac_sub_configure failed for $ac_dir])
|
fi
|
fi
|
|
|
cd "$ac_popdir"
|
cd "$ac_popdir"
|
done
|
done
|
fi
|
fi
|
])# _AC_OUTPUT_SUBDIRS
|
])# _AC_OUTPUT_SUBDIRS
|
])
|
])
|
|
|
m4_version_prereq([2.63],, [
|
m4_version_prereq([2.63],, [
|
|
|
# _AC_ARG_VAR_VALIDATE
|
# _AC_ARG_VAR_VALIDATE
|
# --------------------
|
# --------------------
|
# The code is the same as autoconf 2.59, but with a more lenient check
|
# The code is the same as autoconf 2.59, but with a more lenient check
|
# on precious variables and an output of pwd that have been added in
|
# on precious variables and an output of pwd that have been added in
|
# autoconf 2.62.
|
# autoconf 2.62.
|
m4_define([_AC_ARG_VAR_VALIDATE],
|
m4_define([_AC_ARG_VAR_VALIDATE],
|
[m4_divert_text([INIT_PREPARE],
|
[m4_divert_text([INIT_PREPARE],
|
[# Check that the precious variables saved in the cache have kept the same
|
[# Check that the precious variables saved in the cache have kept the same
|
# value.
|
# value.
|
ac_cache_corrupted=false
|
ac_cache_corrupted=false
|
for ac_var in `(set) 2>&1 |
|
for ac_var in `(set) 2>&1 |
|
sed -n 's/^ac_env_\([[a-zA-Z_0-9]]*\)_set=.*/\1/p'`; do
|
sed -n 's/^ac_env_\([[a-zA-Z_0-9]]*\)_set=.*/\1/p'`; do
|
eval ac_old_set=\$ac_cv_env_${ac_var}_set
|
eval ac_old_set=\$ac_cv_env_${ac_var}_set
|
eval ac_new_set=\$ac_env_${ac_var}_set
|
eval ac_new_set=\$ac_env_${ac_var}_set
|
eval ac_old_val="\$ac_cv_env_${ac_var}_value"
|
eval ac_old_val="\$ac_cv_env_${ac_var}_value"
|
eval ac_new_val="\$ac_env_${ac_var}_value"
|
eval ac_new_val="\$ac_env_${ac_var}_value"
|
case $ac_old_set,$ac_new_set in
|
case $ac_old_set,$ac_new_set in
|
set,)
|
set,)
|
AS_MESSAGE([error: `$ac_var' was set to `$ac_old_val' in the previous run], 2)
|
AS_MESSAGE([error: `$ac_var' was set to `$ac_old_val' in the previous run], 2)
|
ac_cache_corrupted=: ;;
|
ac_cache_corrupted=: ;;
|
,set)
|
,set)
|
AS_MESSAGE([error: `$ac_var' was not set in the previous run], 2)
|
AS_MESSAGE([error: `$ac_var' was not set in the previous run], 2)
|
ac_cache_corrupted=: ;;
|
ac_cache_corrupted=: ;;
|
,);;
|
,);;
|
*)
|
*)
|
if test "x$ac_old_val" != "x$ac_new_val"; then
|
if test "x$ac_old_val" != "x$ac_new_val"; then
|
# differences in whitespace do not lead to failure.
|
# differences in whitespace do not lead to failure.
|
ac_old_val_w=`echo x $ac_old_val`
|
ac_old_val_w=`echo x $ac_old_val`
|
ac_new_val_w=`echo x $ac_new_val`
|
ac_new_val_w=`echo x $ac_new_val`
|
if test "$ac_old_val_w" != "$ac_new_val_w"; then
|
if test "$ac_old_val_w" != "$ac_new_val_w"; then
|
AS_MESSAGE([error: `$ac_var' has changed since the previous run:], 2)
|
AS_MESSAGE([error: `$ac_var' has changed since the previous run:], 2)
|
ac_cache_corrupted=:
|
ac_cache_corrupted=:
|
else
|
else
|
AS_MESSAGE([warning: ignoring whitespace changes in `$ac_var' since the previous run:], 2)
|
AS_MESSAGE([warning: ignoring whitespace changes in `$ac_var' since the previous run:], 2)
|
eval $ac_var=\$ac_old_val
|
eval $ac_var=\$ac_old_val
|
fi
|
fi
|
AS_MESSAGE([ former value: `$ac_old_val'], 2)
|
AS_MESSAGE([ former value: `$ac_old_val'], 2)
|
AS_MESSAGE([ current value: `$ac_new_val'], 2)
|
AS_MESSAGE([ current value: `$ac_new_val'], 2)
|
fi;;
|
fi;;
|
esac
|
esac
|
# Pass precious variables to config.status.
|
# Pass precious variables to config.status.
|
if test "$ac_new_set" = set; then
|
if test "$ac_new_set" = set; then
|
case $ac_new_val in
|
case $ac_new_val in
|
dnl If you change this globbing pattern, test it on an old shell --
|
dnl If you change this globbing pattern, test it on an old shell --
|
dnl it's sensitive. Putting any kind of quote in it causes syntax errors.
|
dnl it's sensitive. Putting any kind of quote in it causes syntax errors.
|
[ *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)]
|
[ *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)]
|
ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
|
ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
|
*) ac_arg=$ac_var=$ac_new_val ;;
|
*) ac_arg=$ac_var=$ac_new_val ;;
|
esac
|
esac
|
case " $ac_configure_args " in
|
case " $ac_configure_args " in
|
*" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy.
|
*" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy.
|
*) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
|
*) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
|
esac
|
esac
|
fi
|
fi
|
done
|
done
|
if $ac_cache_corrupted; then
|
if $ac_cache_corrupted; then
|
AS_MESSAGE([error: in `$ac_pwd':], 2)
|
AS_MESSAGE([error: in `$ac_pwd':], 2)
|
AS_MESSAGE([error: changes in the environment can compromise the build], 2)
|
AS_MESSAGE([error: changes in the environment can compromise the build], 2)
|
AS_ERROR([run `make distclean' and/or `rm $cache_file' and start over])
|
AS_ERROR([run `make distclean' and/or `rm $cache_file' and start over])
|
fi])dnl
|
fi])dnl
|
])# _AC_ARG_VAR_VALIDATE
|
])# _AC_ARG_VAR_VALIDATE
|
])
|
])
|
|
|
m4_version_prereq([2.63],, [
|
m4_version_prereq([2.63],, [
|
|
|
# AC_MSG_FAILURE(ERROR, [EXIT-STATUS = 1])
|
# AC_MSG_FAILURE(ERROR, [EXIT-STATUS = 1])
|
# ----------------------------------------
|
# ----------------------------------------
|
# This is the same code as in 2.59 and 2.61, except it also outputs pwd.
|
# This is the same code as in 2.59 and 2.61, except it also outputs pwd.
|
m4_define([AC_MSG_FAILURE],
|
m4_define([AC_MSG_FAILURE],
|
[{ AS_MESSAGE([error: in `$ac_pwd':], 2)
|
[{ AS_MESSAGE([error: in `$ac_pwd':], 2)
|
AC_MSG_ERROR([$1
|
AC_MSG_ERROR([$1
|
See `config.log' for more details.], [$2]); }])
|
See `config.log' for more details.], [$2]); }])
|
])
|
])
|
])
|
])
|
|
|
m4_version_prereq([2.60],, [
|
m4_version_prereq([2.60],, [
|
dnl M4 1.6 and newer implement m4wrap using FIFO semantics, as required
|
dnl M4 1.6 and newer implement m4wrap using FIFO semantics, as required
|
dnl by Posix; earlier versions used LIFO semantics. Unfortunately,
|
dnl by Posix; earlier versions used LIFO semantics. Unfortunately,
|
dnl Autoconf versions before 2.60 require those LIFO semantics, so
|
dnl Autoconf versions before 2.60 require those LIFO semantics, so
|
dnl make sure to give it to them.
|
dnl make sure to give it to them.
|
m4_define([m4_wrap], [m4_ifdef([_$0_text],
|
m4_define([m4_wrap], [m4_ifdef([_$0_text],
|
[m4_define([_$0_text], [$1]m4_defn([_$0_text]))],
|
[m4_define([_$0_text], [$1]m4_defn([_$0_text]))],
|
[m4_define([_$0_text], [$1])m4_builtin([m4wrap],
|
[m4_define([_$0_text], [$1])m4_builtin([m4wrap],
|
[m4_default(m4_defn([_$0_text])m4_undefine([_$0_text]))])])])
|
[m4_default(m4_defn([_$0_text])m4_undefine([_$0_text]))])])])
|
])
|
])
|
|
|
