diff options
| -rw-r--r-- | m4/ax_config_dir.m4 | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/m4/ax_config_dir.m4 b/m4/ax_config_dir.m4 new file mode 100644 index 000000000..0ba313faa --- /dev/null +++ b/m4/ax_config_dir.m4 @@ -0,0 +1,109 @@ +dnl Copied from Audacity 1.3.10 which itself is licensed under the GPL v2 or +dnl any later version + +dnl Function to configure a sub-library now, because we need to know the result +dnl of the configuration now in order to take decisions. +dnl We don't worry about whether the configuration worked or not - it is +dnl assumed that the next thing after this will be a package-specific check to +dnl see if the package is actually available. (Hint: use pkg-config and +dnl -uninstalled.pc files if available). +dnl code based on a simplification of _AC_OUTPUT_SUBDIRS in +dnl /usr/share/autoconf/autoconf/status.m4 which implements part of +dnl AC_CONFIG_SUBDIRS + +AC_DEFUN([AX_CONFIG_DIR], +[AC_REQUIRE([AC_DISABLE_OPTION_CHECKING])] +[m4_append([_AC_LIST_SUBDIRS], [$1], [])] +[ + # Remove --cache-file and --srcdir arguments so they do not pile up. + ax_sub_configure_args= + ax_prev= + eval "set x $ac_configure_args" + shift + for ax_arg + do + if test -n "$ax_prev"; then + ax_prev= + continue + fi + case $ax_arg in + -cache-file | --cache-file | --cache-fil | --cache-fi \ + | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c) + ax_prev=cache_file ;; + -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \ + | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* \ + | --c=*) + ;; + --config-cache | -C) + ;; + -srcdir | --srcdir | --srcdi | --srcd | --src | --sr) + ax_prev=srcdir ;; + -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*) + ;; + -prefix | --prefix | --prefi | --pref | --pre | --pr | --p) + ax_prev=prefix ;; + -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*) + ;; + *) + case $ax_arg in + *\'*) ax_arg=`echo "$ax_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + ax_sub_configure_args="$ax_sub_configure_args '$ax_arg'" ;; + esac + done + + # Always prepend --prefix to ensure using the same prefix + # in subdir configurations. + ax_arg="--prefix=$prefix" + case $ax_arg in + *\'*) ax_arg=`echo "$ax_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + ax_sub_configure_args="'$ax_arg' $ax_sub_configure_args" + + # Pass --silent + if test "$silent" = yes; then + ax_sub_configure_args="--silent $ax_sub_configure_args" + fi + + ax_popdir=`pwd` + AC_MSG_NOTICE([Configuring sources in $1]) + dnl for out-of-place builds srcdir and builddir will be different, and + dnl builddir may not exist, so we must create it + AS_MKDIR_P(["$1"]) + dnl and also set the variables. As this isn't autoconf, the following may be + dnl risky: + _AC_SRCDIRS(["$1"]) + cd "$1" + + # Check for guested configure; otherwise get Cygnus style configure. + if test -f "configure.gnu"; then + ax_sub_configure=$ac_srcdir/configure.gnu + elif test -f "$ac_srcdir/configure"; then + ax_sub_configure=$ac_srcdir/configure + elif test -f "$ac_srcdir/configure.in"; then + # This should be Cygnus configure. + ax_sub_configure=$ac_aux_dir/configure + else + AC_MSG_WARN([no configuration information is in $1]) + ax_sub_configure= + fi + + # The recursion is here. + if test -n "$ax_sub_configure"; then + # Make the cache file name correct relative to the subdirectory. + case $cache_file in + [[\\/]]* | ?:[[\\/]]* ) ax_sub_cache_file=$cache_file ;; + *) # Relative name. + ax_sub_cache_file=$ac_top_build_prefix$cache_file ;; + esac + + AC_MSG_NOTICE([running $SHELL $ax_sub_configure $ax_sub_configure_args --cache-file=$ax_sub_cache_file --srcdir=$ac_srcdir]) + # The eval makes quoting arguments work. + eval "\$SHELL \"\$ax_sub_configure\" $ax_sub_configure_args \ + --cache-file=\"\$ax_sub_cache_file\" --srcdir=\"\$ax_srcdir\"" + fi + + cd "$ax_popdir" + AC_MSG_NOTICE([Done configuring in $1]) +]) + |