diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 97 |
1 files changed, 68 insertions, 29 deletions
diff --git a/configure.in b/configure.in index 8939236641..d5370f897e 100644 --- a/configure.in +++ b/configure.in @@ -77,6 +77,12 @@ AC_ARG_ENABLE(add-ons, dnl [add_ons=`echo "$enableval" | sed 's/,/ /g'`], [add_ons=]) AC_CONFIG_SUBDIRS($add_ons) +add_ons_pfx= +if test x$add_ons != x; then + for f in $add_ons; do + add_ons_pfx="$add_ons_pfx $f/" + done +fi AC_CANONICAL_HOST # We keep the original values in `$config_*' and never modify them, so we @@ -189,23 +195,34 @@ changequote([,])dnl # Find what sysdep directories exist. sysnames= -for b in $base ''; do - for m0 in $mach ''; do - for v in /$vendor ''; do - for o in /$ostry ''; do - for m in $mach ''; do - try="$m0$b$v$o$m" - test -n "$enable_debug_configure" && echo "$0 [DEBUG]: try $try" >&2 - if test -d $sysdep_dir$try; then - sysnames="$sysnames $try" - { test -n "$o" || test -n "$b"; } && os_used=t - { test -n "$m" || test -n "$m0"; } && machine_used=t - fi +IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" +for d in $add_ons_pfx ''; do + for b in $base ''; do + for m0 in $mach ''; do + for v in /$vendor ''; do + for o in /$ostry ''; do + for m in $mach ''; do + if test "$m0$b$v$o$m"; then + try="${d}sysdeps$m0$b$v$o$m" + test -n "$enable_debug_configure" && + echo "$0 [DEBUG]: try $try" >&2 + case $try in + /*) dest=$try ;; + *) dest=$srcdir/$try ;; + esac + if test -d $dest; then + sysnames="$sysnames $try" + { test -n "$o" || test -n "$b"; } && os_used=t + { test -n "$m" || test -n "$m0"; } && machine_used=t + fi + fi + done done done done done done +IFS="$ac_save_ifs" if test -z "$os_used" && test "$os" != none; then AC_MSG_ERROR(Operating system $os is not supported.) @@ -224,12 +241,18 @@ fi # machine (otherwise what's the point of an ABI?). if test "$elf" = yes; then elf_dirs= - for m in $mach; do - if test -d $sysdep_dir$m/elf; then - elf_dirs="$elf_dirs $m/elf" - fi + for d in $add_ons_pfx ''; do + case $d in + /*) xsrcdir= ;; + *) xsrcdir=$srcdir/ ;; + esac + for m in $mach; do + if test -d $xsrcdir${d}sysdeps$m/elf; then + elf_dirs="$elf_dirs $d$m/elf" + fi + done done - sysnames="`echo $elf_dirs | sed -e 's,^/,,' -e 's, /,,g'` $sysnames" + sysnames="`echo $elf_dirs | sed -e 's,//,/,g'` $sysnames" fi @@ -253,13 +276,25 @@ while test $# -gt 0; do # Report each name as we discover it, so there is no long pause in output. echo $ac_n "$name $ac_c" >&AC_FD_MSG - if test -f $sysdep_dir/$name/Implies; then + name_base=`echo $name | sed -e 's@\(.*sysdeps\)/.*@\1@'` + + case $name in + /*) xsrcdir= ;; + *) xsrcdir=$srcdir/ ;; + esac + test -n "$enable_debug_configure" && + echo "[DEBUG]: name/Implies $xsrcdir$name/Implies" >&2 + + if test -f $xsrcdir$name/Implies; then # Collect more names from the `Implies' file (removing comments). - implied="`sed 's/#.*$//' < $sysdep_dir/$name/Implies`" - for x in $implied; do - test -d $sysdep_dir/$x || { - AC_MSG_WARN(sysdeps/$name/Implies specifies nonexistent $x) - } + implied_candidate="`sed 's/#.*$//' < $xsrcdir$name/Implies`" + implied= + for x in $implied_candidate; do + if test -d $xsrcdir$name_base/$x; then + implied="$implied $name_base/$x"; + else + AC_MSG_WARN($name/Implies specifies nonexistent $x) + fi done else implied= @@ -270,7 +305,7 @@ while test $# -gt 0; do # Find the parent of NAME, using the empty string if it has none. changequote(,)dnl - parent="`echo $name | sed -n -e '/\//!q' -e 's=/[^/]*$==p'`" + parent="`echo $name | sed -n -e 's=/[^/]*$==' -e '/sysdeps$/q' -e p`" changequote([,])dnl # Add the names implied by NAME, and NAME's parent (if it has one), to @@ -285,10 +320,10 @@ changequote([,])dnl done # Add the default directories. -sysnames="$names generic stub" +sysnames="$names sysdeps/generic sysdeps/stub" AC_SUBST(sysnames) # The other names were emitted during the scan. -AC_MSG_RESULT(generic stub) +AC_MSG_RESULT(sysdeps/generic sysdeps/stub) ### Locate tools. @@ -525,9 +560,13 @@ libc_link_sources= # configure fragments, and looking for a uname implementation. uname= for dir in $sysnames; do - if test -r $sysdep_dir/$dir/configure; then - AC_MSG_RESULT(running configure fragment for $dir) - . $sysdep_dir/$dir/configure + case $dir in + /*) dest=$dir ;; + *) dest=$srcdir/$dir ;; + esac + if test -r $dest/configure; then + AC_MSG_RESULT(running configure fragment for $dest) + . $dest/configure fi [ if test -z "$uname"; then |