ac_usage="Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
--build=BUILD configure for building on BUILD [BUILD=HOST]
+--cache-file=FILE cache test results in FILE
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
--exec-prefix=PREFIX install host dependent files in PREFIX [/usr/local]
--help print this message
--host=HOST configure for HOST [guessed]
+--no-create do not create output files
--prefix=PREFIX install host independent files in PREFIX [/usr/local]
--quiet, --silent do not print \`checking for...' messages
--srcdir=DIR find the sources in DIR [configure dir or ..]
# The variables have the same names as the options, with
# dashes changed to underlines.
build=NONE
+cache_file=config.cache
exec_prefix=
host=NONE
no_create=
-build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
build="$ac_optarg" ;;
+ -cache-file | --cache-file | --cache-fil | --cache-fi \
+ | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+ ac_prev=cache_file ;;
+ -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+ | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+ cache_file="$ac_optarg" ;;
+
-disable-* | --disable-*)
ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
# Reject names that aren't valid shell variable names.
AC_ERROR(can not find sources in ${srcdir})
fi
fi
+AC_CACHE_LOAD
AC_LANG_C
])dnl
dnl
AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),[$1])])dnl
dnl
dnl Run configure in subdirectories $1.
-dnl FIXME It would be better to define a macro here, and
-dnl do the subdir configuring in AC_OUTPUT if that macro is defined.
-dnl
+dnl Not actually done until AC_OUTPUT_CONFIG_SUBDIRS.
define(AC_CONFIG_SUBDIRS,
-[AC_REQUIRE([AC_CONFIG_AUX_DEFAULT])dnl
-if test -z "${norecursion}"; then
- for ac_config_dir in $1; do
-
- # Don't complain, so a configure script can configure a large
- # source tree, or only the parts of it that are there.
- if test ! -d ${srcdir}/${ac_config_dir}; then
- continue
- fi
-
- echo configuring ${ac_config_dir}
-
- case "${srcdir}" in
- .) ;;
- *)
- if test -d ./${ac_config_dir} || mkdir ./${ac_config_dir}; then :;
- else
- AC_ERROR(can not create `pwd`/${ac_config_dir})
- fi
- ;;
- esac
-
- ac_popdir=`pwd`
- cd ${ac_config_dir}
-
- case "${srcdir}" in
- .) # No --srcdir option. We're building in place.
- ac_sub_srcdir=${srcdir} ;;
- /*) # Absolute path.
- ac_sub_srcdir=${srcdir}/${ac_config_dir} ;;
- *) # Relative path.
- ac_sub_srcdir=../${srcdir}/${ac_config_dir} ;;
- esac
-
- # Check for guested configure; otherwise get Cygnus style configure.
- if test -f ${ac_sub_srcdir}/configure; then
- ac_sub_configure=${ac_sub_srcdir}/configure
- elif test -f ${ac_sub_srcdir}/configure.in; then
- ac_sub_configure=${ac_configure}
- else
- AC_WARN(no configuration information is in ${ac_config_dir})
- ac_sub_configure=
- fi
-
- # The recursion is here.
- if test -n "${ac_sub_configure}"; then
- if ${CONFIG_SHELL-/bin/sh} ${ac_sub_configure} ${configure_args}
- then :
- else
- AC_ERROR(${ac_sub_configure} failed for ${ac_config_dir})
- fi
- fi
-
- cd ${ac_popdir}
- done
-fi
-])dnl
+[AC_REQUIRE([AC_CONFIG_AUX_DEFAULT])define([AC_SUBDIR_LIST],[$1])])dnl
dnl
dnl
dnl ### Canonicalizing the system type.
[define([AC_LINK_LIST],[$1])define([AC_FILE_LIST],[$2])])dnl
dnl
dnl
+dnl ### Caching test results
+dnl
+dnl
+define(AC_CACHE_LOAD,
+[if test -r $cache_file; then
+ AC_VERBOSE(loading test results from cache file $cache_file)
+ . $cache_file
+else
+ AC_VERBOSE(creating new cache file $cache_file)
+ > $cache_file
+fi])dnl
+dnl
+define(AC_CACHE_SAVE,
+[if test -w $cache_file; then
+AC_VERBOSE(saving test results in cache file $cache_file)
+cat <<\CEOF > $cache_file
+# This file is a shell script that stores the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs. It is not useful on other systems.
+# If its contents are invalid for some reason, you may edit or delete it.
+#
+# By default, configure uses `./config.cache' as the cache file,
+# creating it if it does not exist already. You can give configure
+# the --cache-file=FILE option to use a different cache file; that is
+# what configure does when it calls configure scripts in
+# subdirectories, so they share the cache.
+# config.status only pays attention to this file if you give it the
+# --recheck option to rerun configure.
+CEOF
+changequote(,)dnl
+set | sed -n "/^[a-zA-Z0-9_]*_cv_/s/=\(.*\)/='\1'/p" >> $cache_file
+changequote([,])dnl
+fi])dnl
+dnl
+dnl AC_CACHE_USE(cache-id, commands-to-set-it)
+dnl The name cache-id must contain the string `_cv_' in order to get saved.
+define(AC_CACHE_USE,
+[if test "x${$1-unset}" != xunset; then
+ AC_VERBOSE(using cached value for $1)
+else
+ $2
+fi
+])dnl
+dnl
+dnl
dnl ### Setting variables
dnl
dnl
dnl
define(AC_PROGRAM_CHECK,
[if test -z "[$]$1"; then
- # Extract the first word of `$2', so it can be a program name with args.
+ AC_CACHE_USE(ac_cv_program_$1,
+[# Extract the first word of `$2', so it can be a program name with args.
set ac_dummy $2; ac_word=[$]2
AC_CHECKING([for $ac_word])
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
- $1="$3"
+ ac_cv_program_$1="$3"
break
fi
done
IFS="$ac_save_ifs"
fi
-ifelse([$4],,, [test -z "[$]$1" && $1="$4"])
+ifelse([$4],,, [test -z "[$]ac_cv_program_$1" && ac_cv_program_$1="$4"])])dnl
+$1="$ac_cv_program_$1"
test -n "[$]$1" && AC_VERBOSE(setting $1 to [$]$1)
AC_SUBST($1)dnl
])dnl
dnl
define(AC_PROGRAM_PATH,
[if test -z "[$]$1"; then
- # Extract the first word of `$2', so it can be a program name with args.
+ AC_CACHE_USE(ac_cv_program_$1,
+[# Extract the first word of `$2', so it can be a program name with args.
set ac_dummy $2; ac_word=[$]2
AC_CHECKING([for $ac_word])
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
- $1="$ac_dir/$ac_word"
+ ac_cv_program_$1="$ac_dir/$ac_word"
break
fi
done
IFS="$ac_save_ifs"
fi
-ifelse([$3],,, [test -z "[$]$1" && $1="$3"])
+ifelse([$3],,, [test -z "[$]ac_cv_program_$1" && ac_cv_program_$1="$3"])])dnl
+$1="$ac_cv_program_$1"
test -n "[$]$1" && AC_VERBOSE(setting $1 to [$]$1)
AC_SUBST($1)dnl
])dnl
dnl
dnl
define(AC_OUTPUT,
-[changequote(,)dnl
+[AC_CACHE_SAVE
+changequote(,)dnl
# Set default prefixes.
if test -n "$prefix"; then
test -z "$exec_prefix" && exec_prefix='${prefix}' # Let make expand it.
do
case "[\$]ac_option" in
-recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
- echo running [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create
- exec [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create ;;
+ echo running [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create --norecursion
+ exec [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create --norecursion ;;
-version | --version | --versio | --versi | --vers | --ver | --ve | --v)
echo "config.status generated by autoconf version AC_ACVERSION"
exit 0 ;;
EOF
chmod +x config.status
test -n "$no_create" || ${CONFIG_SHELL-/bin/sh} config.status
+dnl config.status should never do recursion.
+ifdef([AC_SUBDIR_LIST],[AC_OUTPUT_CONFIG_SUBDIRS(AC_SUBDIR_LIST)])dnl
])dnl
dnl
dnl Create the header files listed in $1.
-dnl This is a subroutine of AC_OUTPUT, broken out primarily to avoid bugs
-dnl with long definitions in GNU m4 1.0. This is called inside a quoted
+dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
dnl here document whose contents are going into config.status.
define(AC_OUTPUT_HEADER,[dnl
changequote(<<,>>)dnl
done
])dnl
dnl
+define(AC_OUTPUT_CONFIG_SUBDIRS,
+[if test -z "${norecursion}"; then
+ for ac_config_dir in $1; do
+
+ # Don't complain, so a configure script can configure whichever
+ # parts of a large source tree are present.
+ if test ! -d ${srcdir}/${ac_config_dir}; then
+ continue
+ fi
+
+ echo configuring ${ac_config_dir}
+
+ case "${srcdir}" in
+ .) ;;
+ *)
+ if test -d ./${ac_config_dir} || mkdir ./${ac_config_dir}; then :;
+ else
+ AC_ERROR(can not create `pwd`/${ac_config_dir})
+ fi
+ ;;
+ esac
+
+ ac_popdir=`pwd`
+ cd ${ac_config_dir}
+
+ case "${srcdir}" in
+ .) # No --srcdir option. We're building in place.
+ ac_sub_srcdir=${srcdir} ;;
+ /*) # Absolute path.
+ ac_sub_srcdir=${srcdir}/${ac_config_dir} ;;
+ *) # Relative path.
+ ac_sub_srcdir=../${srcdir}/${ac_config_dir} ;;
+ esac
+
+ # Check for guested configure; otherwise get Cygnus style configure.
+ if test -f ${ac_sub_srcdir}/configure; then
+ ac_sub_configure=${ac_sub_srcdir}/configure
+ elif test -f ${ac_sub_srcdir}/configure.in; then
+ ac_sub_configure=${ac_configure}
+ else
+ AC_WARN(no configuration information is in ${ac_config_dir})
+ ac_sub_configure=
+ fi
+
+ # The recursion is here.
+ if test -n "${ac_sub_configure}"; then
+ if ${CONFIG_SHELL-/bin/sh} ${ac_sub_configure} ${configure_args} --cache-file=$cache_file
+ then :
+ else
+ AC_ERROR(${ac_sub_configure} failed for ${ac_config_dir})
+ fi
+ fi
+
+ cd ${ac_popdir}
+ done
+fi
+])dnl
+dnl
ac_usage="Usage: configure [options] [host]
Options: [defaults in brackets after descriptions]
--build=BUILD configure for building on BUILD [BUILD=HOST]
+--cache-file=FILE cache test results in FILE
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
--exec-prefix=PREFIX install host dependent files in PREFIX [/usr/local]
--help print this message
--host=HOST configure for HOST [guessed]
+--no-create do not create output files
--prefix=PREFIX install host independent files in PREFIX [/usr/local]
--quiet, --silent do not print \`checking for...' messages
--srcdir=DIR find the sources in DIR [configure dir or ..]
# The variables have the same names as the options, with
# dashes changed to underlines.
build=NONE
+cache_file=config.cache
exec_prefix=
host=NONE
no_create=
-build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
build="$ac_optarg" ;;
+ -cache-file | --cache-file | --cache-fil | --cache-fi \
+ | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+ ac_prev=cache_file ;;
+ -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+ | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+ cache_file="$ac_optarg" ;;
+
-disable-* | --disable-*)
ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
# Reject names that aren't valid shell variable names.
AC_ERROR(can not find sources in ${srcdir})
fi
fi
+AC_CACHE_LOAD
AC_LANG_C
])dnl
dnl
AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),[$1])])dnl
dnl
dnl Run configure in subdirectories $1.
-dnl FIXME It would be better to define a macro here, and
-dnl do the subdir configuring in AC_OUTPUT if that macro is defined.
-dnl
+dnl Not actually done until AC_OUTPUT_CONFIG_SUBDIRS.
define(AC_CONFIG_SUBDIRS,
-[AC_REQUIRE([AC_CONFIG_AUX_DEFAULT])dnl
-if test -z "${norecursion}"; then
- for ac_config_dir in $1; do
-
- # Don't complain, so a configure script can configure a large
- # source tree, or only the parts of it that are there.
- if test ! -d ${srcdir}/${ac_config_dir}; then
- continue
- fi
-
- echo configuring ${ac_config_dir}
-
- case "${srcdir}" in
- .) ;;
- *)
- if test -d ./${ac_config_dir} || mkdir ./${ac_config_dir}; then :;
- else
- AC_ERROR(can not create `pwd`/${ac_config_dir})
- fi
- ;;
- esac
-
- ac_popdir=`pwd`
- cd ${ac_config_dir}
-
- case "${srcdir}" in
- .) # No --srcdir option. We're building in place.
- ac_sub_srcdir=${srcdir} ;;
- /*) # Absolute path.
- ac_sub_srcdir=${srcdir}/${ac_config_dir} ;;
- *) # Relative path.
- ac_sub_srcdir=../${srcdir}/${ac_config_dir} ;;
- esac
-
- # Check for guested configure; otherwise get Cygnus style configure.
- if test -f ${ac_sub_srcdir}/configure; then
- ac_sub_configure=${ac_sub_srcdir}/configure
- elif test -f ${ac_sub_srcdir}/configure.in; then
- ac_sub_configure=${ac_configure}
- else
- AC_WARN(no configuration information is in ${ac_config_dir})
- ac_sub_configure=
- fi
-
- # The recursion is here.
- if test -n "${ac_sub_configure}"; then
- if ${CONFIG_SHELL-/bin/sh} ${ac_sub_configure} ${configure_args}
- then :
- else
- AC_ERROR(${ac_sub_configure} failed for ${ac_config_dir})
- fi
- fi
-
- cd ${ac_popdir}
- done
-fi
-])dnl
+[AC_REQUIRE([AC_CONFIG_AUX_DEFAULT])define([AC_SUBDIR_LIST],[$1])])dnl
dnl
dnl
dnl ### Canonicalizing the system type.
[define([AC_LINK_LIST],[$1])define([AC_FILE_LIST],[$2])])dnl
dnl
dnl
+dnl ### Caching test results
+dnl
+dnl
+define(AC_CACHE_LOAD,
+[if test -r $cache_file; then
+ AC_VERBOSE(loading test results from cache file $cache_file)
+ . $cache_file
+else
+ AC_VERBOSE(creating new cache file $cache_file)
+ > $cache_file
+fi])dnl
+dnl
+define(AC_CACHE_SAVE,
+[if test -w $cache_file; then
+AC_VERBOSE(saving test results in cache file $cache_file)
+cat <<\CEOF > $cache_file
+# This file is a shell script that stores the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs. It is not useful on other systems.
+# If its contents are invalid for some reason, you may edit or delete it.
+#
+# By default, configure uses `./config.cache' as the cache file,
+# creating it if it does not exist already. You can give configure
+# the --cache-file=FILE option to use a different cache file; that is
+# what configure does when it calls configure scripts in
+# subdirectories, so they share the cache.
+# config.status only pays attention to this file if you give it the
+# --recheck option to rerun configure.
+CEOF
+changequote(,)dnl
+set | sed -n "/^[a-zA-Z0-9_]*_cv_/s/=\(.*\)/='\1'/p" >> $cache_file
+changequote([,])dnl
+fi])dnl
+dnl
+dnl AC_CACHE_USE(cache-id, commands-to-set-it)
+dnl The name cache-id must contain the string `_cv_' in order to get saved.
+define(AC_CACHE_USE,
+[if test "x${$1-unset}" != xunset; then
+ AC_VERBOSE(using cached value for $1)
+else
+ $2
+fi
+])dnl
+dnl
+dnl
dnl ### Setting variables
dnl
dnl
dnl
define(AC_PROGRAM_CHECK,
[if test -z "[$]$1"; then
- # Extract the first word of `$2', so it can be a program name with args.
+ AC_CACHE_USE(ac_cv_program_$1,
+[# Extract the first word of `$2', so it can be a program name with args.
set ac_dummy $2; ac_word=[$]2
AC_CHECKING([for $ac_word])
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
- $1="$3"
+ ac_cv_program_$1="$3"
break
fi
done
IFS="$ac_save_ifs"
fi
-ifelse([$4],,, [test -z "[$]$1" && $1="$4"])
+ifelse([$4],,, [test -z "[$]ac_cv_program_$1" && ac_cv_program_$1="$4"])])dnl
+$1="$ac_cv_program_$1"
test -n "[$]$1" && AC_VERBOSE(setting $1 to [$]$1)
AC_SUBST($1)dnl
])dnl
dnl
define(AC_PROGRAM_PATH,
[if test -z "[$]$1"; then
- # Extract the first word of `$2', so it can be a program name with args.
+ AC_CACHE_USE(ac_cv_program_$1,
+[# Extract the first word of `$2', so it can be a program name with args.
set ac_dummy $2; ac_word=[$]2
AC_CHECKING([for $ac_word])
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
- $1="$ac_dir/$ac_word"
+ ac_cv_program_$1="$ac_dir/$ac_word"
break
fi
done
IFS="$ac_save_ifs"
fi
-ifelse([$3],,, [test -z "[$]$1" && $1="$3"])
+ifelse([$3],,, [test -z "[$]ac_cv_program_$1" && ac_cv_program_$1="$3"])])dnl
+$1="$ac_cv_program_$1"
test -n "[$]$1" && AC_VERBOSE(setting $1 to [$]$1)
AC_SUBST($1)dnl
])dnl
dnl
dnl
define(AC_OUTPUT,
-[changequote(,)dnl
+[AC_CACHE_SAVE
+changequote(,)dnl
# Set default prefixes.
if test -n "$prefix"; then
test -z "$exec_prefix" && exec_prefix='${prefix}' # Let make expand it.
do
case "[\$]ac_option" in
-recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
- echo running [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create
- exec [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create ;;
+ echo running [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create --norecursion
+ exec [\$]{CONFIG_SHELL-/bin/sh} [$]0 [$]configure_args --no-create --norecursion ;;
-version | --version | --versio | --versi | --vers | --ver | --ve | --v)
echo "config.status generated by autoconf version AC_ACVERSION"
exit 0 ;;
EOF
chmod +x config.status
test -n "$no_create" || ${CONFIG_SHELL-/bin/sh} config.status
+dnl config.status should never do recursion.
+ifdef([AC_SUBDIR_LIST],[AC_OUTPUT_CONFIG_SUBDIRS(AC_SUBDIR_LIST)])dnl
])dnl
dnl
dnl Create the header files listed in $1.
-dnl This is a subroutine of AC_OUTPUT, broken out primarily to avoid bugs
-dnl with long definitions in GNU m4 1.0. This is called inside a quoted
+dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
dnl here document whose contents are going into config.status.
define(AC_OUTPUT_HEADER,[dnl
changequote(<<,>>)dnl
done
])dnl
dnl
+define(AC_OUTPUT_CONFIG_SUBDIRS,
+[if test -z "${norecursion}"; then
+ for ac_config_dir in $1; do
+
+ # Don't complain, so a configure script can configure whichever
+ # parts of a large source tree are present.
+ if test ! -d ${srcdir}/${ac_config_dir}; then
+ continue
+ fi
+
+ echo configuring ${ac_config_dir}
+
+ case "${srcdir}" in
+ .) ;;
+ *)
+ if test -d ./${ac_config_dir} || mkdir ./${ac_config_dir}; then :;
+ else
+ AC_ERROR(can not create `pwd`/${ac_config_dir})
+ fi
+ ;;
+ esac
+
+ ac_popdir=`pwd`
+ cd ${ac_config_dir}
+
+ case "${srcdir}" in
+ .) # No --srcdir option. We're building in place.
+ ac_sub_srcdir=${srcdir} ;;
+ /*) # Absolute path.
+ ac_sub_srcdir=${srcdir}/${ac_config_dir} ;;
+ *) # Relative path.
+ ac_sub_srcdir=../${srcdir}/${ac_config_dir} ;;
+ esac
+
+ # Check for guested configure; otherwise get Cygnus style configure.
+ if test -f ${ac_sub_srcdir}/configure; then
+ ac_sub_configure=${ac_sub_srcdir}/configure
+ elif test -f ${ac_sub_srcdir}/configure.in; then
+ ac_sub_configure=${ac_configure}
+ else
+ AC_WARN(no configuration information is in ${ac_config_dir})
+ ac_sub_configure=
+ fi
+
+ # The recursion is here.
+ if test -n "${ac_sub_configure}"; then
+ if ${CONFIG_SHELL-/bin/sh} ${ac_sub_configure} ${configure_args} --cache-file=$cache_file
+ then :
+ else
+ AC_ERROR(${ac_sub_configure} failed for ${ac_config_dir})
+ fi
+ fi
+
+ cd ${ac_popdir}
+ done
+fi
+])dnl
+dnl
projects / thirdparty / autoconf.git / commitdiff
