diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 268 |
1 files changed, 27 insertions, 241 deletions
diff --git a/configure.ac b/configure.ac index 4b83ae5a09..195e81acfd 100644 --- a/configure.ac +++ b/configure.ac @@ -209,13 +209,6 @@ if test "$enable_lock_elision" = yes ; then AC_DEFINE(ENABLE_LOCK_ELISION) fi -dnl Generic infrastructure for drop-in additions to libc. -AC_ARG_ENABLE([add-ons], - AC_HELP_STRING([--enable-add-ons@<:@=DIRS...@:>@], - [configure and build add-ons in DIR1,DIR2,... - search for add-ons if no parameter given]), - , [enable_add_ons=yes]) - AC_ARG_ENABLE([hidden-plt], AC_HELP_STRING([--disable-hidden-plt], [do not hide internal function calls to avoid PLT]), @@ -483,7 +476,7 @@ config_os="`echo $config_os | sed 's/^unknown-//'`" # Some configurations imply other options. elf=yes -# The configure fragment of an add-on port can modify these to supplement +# The configure fragment of a port can modify these to supplement # or override the table in the case statement below. No fragment should # ever change the config_* variables, however. machine=$config_machine @@ -506,138 +499,9 @@ AC_ARG_WITH([cpu], # check below. libc_config_ok=no -dnl Let sysdeps/*/preconfigure act here, like they can in add-ons. +dnl Let sysdeps/*/preconfigure act here. LIBC_PRECONFIGURE([$srcdir], [for sysdeps]) -dnl Having this here, though empty, makes sure that if add-ons' fragments -dnl do AC_CONFIG_SUBDIRS([some-dir]), which just sets $subdirs, then -dnl our AC_OUTPUT will actually use it. -AC_CONFIG_SUBDIRS() - -case "$enable_add_ons" in -''|no) add_ons= ;; -yes|'*') - add_ons=`cd $srcdir && ls -d 2> /dev/null */configure */sysdeps | - sed 's@/[[^/]]*$@@' | sort | uniq` - add_ons_automatic=yes - ;; -*) add_ons=`echo "$enable_add_ons" | sed 's/,/ /g'` - add_ons_automatic=no ;; -esac - -configured_add_ons= -add_ons_sfx= -add_ons_pfx= -if test x"$add_ons" != x; then - for f in $add_ons; do - # Some sanity checks - case "$f" in - crypt) - AC_MSG_ERROR([ -*** It seems that you're using an old \`crypt' add-on. crypt is now -*** part of glibc and using the old add-on will not work with this -*** release. Start again with fresh sources and without the old -*** \`crypt' add-on.]) - ;; - localedata) - AC_MSG_ERROR([ -*** It seems that you're using an old \`localedata' add-on. localedata -*** is now part of glibc and using the old add-on will not work with -*** this release. Start again with fresh sources and without the old -*** \`localedata' add-on.]) - ;; - esac - done - - # Now source each add-on's configure fragment. - # The fragments can use $srcdir/$libc_add_on to find themselves, - # and test $add_ons_automatic to see if they were explicitly requested. - # A fragment can clear (or even change) $libc_add_on to affect - # whether it goes into the list to be actually used in the build. - use_add_ons= - for libc_add_on in $add_ons; do - # Test whether such a directory really exists. - # It can be absolute, or relative to $srcdir, or relative to the build dir. - case "$libc_add_on" in - /*) - libc_add_on_srcdir=$libc_add_on - ;; - *) - test -d "$srcdir/$libc_add_on" || { - if test -d "$libc_add_on"; then - libc_add_on="`pwd`/$libc_add_on" - else - AC_MSG_ERROR(add-on directory \"$libc_add_on\" does not exist) - fi - } - libc_add_on_srcdir=$srcdir/$libc_add_on - ;; - esac - - libc_add_on_frag=$libc_add_on_srcdir/configure - libc_add_on_canonical= - libc_add_on_config_subdirs= - if test -r "$libc_add_on_frag"; then - AC_MSG_NOTICE(running configure fragment for add-on $libc_add_on) - libc_add_on_canonical=unknown - libc_add_on_subdirs= - . "$libc_add_on_frag" - test -z "$libc_add_on" || { - configured_add_ons="$configured_add_ons $libc_add_on" - if test "x$libc_add_on_canonical" = xunknown; then - AC_MSG_ERROR(fragment must set \$libc_add_on_canonical) - fi - for d in $libc_add_on_subdirs; do - case "$libc_add_on" in - /*) subdir_srcdir="$libc_add_on" ;; - *) subdir_srcdir="\$(..)$libc_add_on" ;; - esac - case "$d" in - .) - d="${libc_add_on_canonical:-$libc_add_on}" - ;; - /*) - subdir_srcdir="$d" - ;; - *) - subdir_srcdir="$subdir_srcdir/$d" - ;; - esac - d=`echo "$d" | sed 's@/*$@@;s@^.*/@@'` - add_on_subdirs="$add_on_subdirs $d" - test "$subdir_srcdir" = "\$(..)$d" || config_vars="$config_vars -$d-srcdir = $subdir_srcdir" - done - for d in $libc_add_on_config_subdirs; do - case "$d" in - /*) AC_MSG_ERROR(dnl -fragment uses absolute path in \$libc_add_on_config_subdirs) ;; - esac - if test ! -d "$libc_add_on_srcdir/$d"; then - AC_MSG_ERROR(fragment wants to configure missing directory $d) - fi - case "$libc_add_on" in - /*) AC_MSG_ERROR(dnl -relative path required for add-on using \$libc_add_on_config_subdirs) ;; - esac - subdirs="$subdirs $libc_add_on/$d" - done - } - fi - if test -n "$libc_add_on"; then - LIBC_PRECONFIGURE([$libc_add_on_srcdir], [add-on $libc_add_on for]) - use_add_ons="$use_add_ons $libc_add_on" - add_ons_pfx="$add_ons_pfx $libc_add_on/" - test -z "$libc_add_on_canonical" || - add_ons_sfx="$add_ons_sfx /$libc_add_on_canonical" - fi - done - # Use echo to strip excess whitespace. - add_ons="`echo $use_add_ons`" -fi -AC_SUBST(add_ons) -AC_SUBST(add_on_subdirs) - ### ### By using the undocumented --enable-hacker-mode option for configure @@ -853,7 +717,6 @@ dnl We are done with glob and regexp uses of [ and ]; return to autoconf. changequote([,])dnl # Find what sysdep directories exist. -sysnames_add_ons= sysnames= for b in $base ''; do for m0 in $mach ''; do @@ -862,34 +725,21 @@ for b in $base ''; do for o in /$ostry ''; do test "$o" = / && continue for m in $mach ''; do - for d in $add_ons_pfx ''; do - for a in $add_ons_sfx ''; do - try_suffix="$m0$b$v$o$m" - if test -n "$try_suffix"; then - try_srcdir="${srcdir}/" - case "$d" in - /*) try_srcdir= ;; - esac - try="${d}sysdeps$try_suffix$a" - test -n "$enable_debug_configure" && - echo "$0 [DEBUG]: try $try" >&2 - if test -d "$try_srcdir$try"; then - sysnames="$sysnames $try" - { test -n "$o" || test -n "$b"; } && os_used=t - { test -n "$m" || test -n "$m0"; } && machine_used=t - case x${m0:-$m} in - x*/$submachine) submachine_used=t ;; - esac - if test -n "$d"; then - case "$sysnames_add_ons" in - *" $d "*) ;; - *|'') sysnames_add_ons="$sysnames_add_ons $d" ;; - esac - fi - fi - fi - done - done + try_suffix="$m0$b$v$o$m" + if test -n "$try_suffix"; then + try_srcdir="${srcdir}/" + try="sysdeps$try_suffix" + test -n "$enable_debug_configure" && + echo "$0 [DEBUG]: try $try" >&2 + if test -d "$try_srcdir$try"; then + sysnames="$sysnames $try" + { test -n "$o" || test -n "$b"; } && os_used=t + { test -n "$m" || test -n "$m0"; } && machine_used=t + case x${m0:-$m} in + x*/$submachine) submachine_used=t ;; + esac + fi + fi done done done @@ -898,7 +748,7 @@ done # If the assembler supports gnu_indirect_function symbol type and the # architecture supports multi-arch, we enable multi-arch by default. -case $sysnames_add_ons$sysnames in +case $sysnames in *"$multi_arch_d"*) ;; *) @@ -960,24 +810,15 @@ while test $# -gt 0; do eval "${implies_type}=\"\$${implies_type} \$name_base/\$x\"" found=yes fi - for d in $add_ons_pfx ''; do - try="${d}sysdeps/$x" - case $d in - /*) try_srcdir= ;; - *) try_srcdir=$srcdir/ ;; - esac - test -n "$enable_debug_configure" && - echo "[DEBUG]: $name $implies_file $x try($d) {$try_srcdir}$try" >&2 - if test $try != $xsrcdir$name_base/$x && test -d $try_srcdir$try; - then - eval "${implies_type}=\"\$${implies_type} \$try\"" - found=yes - case "$sysnames_add_ons" in - *" $d "*) ;; - *|'') sysnames_add_ons="$sysnames_add_ons $d" ;; - esac - fi - done + try="sysdeps/$x" + try_srcdir=$srcdir/ + test -n "$enable_debug_configure" && + echo "[DEBUG]: $name $implies_file $x try() {$try_srcdir}$try" >&2 + if test $try != $xsrcdir$name_base/$x && test -d $try_srcdir$try; + then + eval "${implies_type}=\"\$${implies_type} \$try\"" + found=yes + fi if test $found = no; then AC_MSG_WARN($name/$implies_file specifies nonexistent $x) fi @@ -1015,61 +856,6 @@ AC_SUBST(sysnames) # The other names were emitted during the scan. AC_MSG_RESULT($default_sysnames) -# Collect the list of add-ons that supply partial sysdeps trees. -sysdeps_add_ons= -for add_on in $add_ons; do - case "$add_on" in - /*) xsrcdir= ;; - *) xsrcdir="$srcdir/" ;; - esac - - test -d "$xsrcdir$add_on/sysdeps" || { - case "$configured_add_ons " in - *" $add_on "*) ;; - *|'') - AC_MSG_ERROR(add-on $add_on has no configure fragment or sysdeps tree) - ;; - esac - continue - } - - sysdeps_add_ons="$sysdeps_add_ons $add_on" - case "$sysnames_add_ons" in - *" $add_on/ "*) ;; - *|'') - AC_MSG_WARN(add-on $add_on contributed no sysdeps directories) - continue ;; - esac - - found=no - for d in $sysnames; do - case "$d" in - $add_on/sysdeps/*) ;; - *) continue ;; - esac - (cd "$xsrcdir$d" && for f in *[[!~]]; do - case "$f" in - sys|bits) - for ff in $f/*.h; do - test -d "$ff" || { test -e "$ff" && exit 88; } - done - ;; - *) - test -d "$f" || { test -e "$f" && exit 88; } - ;; - esac - done) - if test $? -eq 88; then - found=yes - break - fi - done - if test $found = no; then - AC_MSG_WARN(add-on $add_on contributed no useful sysdeps directories) - fi -done -AC_SUBST(sysdeps_add_ons) - ### Locate tools. |