diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 115 |
1 files changed, 71 insertions, 44 deletions
diff --git a/configure.in b/configure.in index bf60a50028..2391313de8 100644 --- a/configure.in +++ b/configure.in @@ -210,38 +210,6 @@ AC_ARG_ENABLE([bind-now], [bindnow=no]) AC_SUBST(bindnow) -AC_CONFIG_SUBDIRS([ ])dnl Bonehead new Autoconf whines if we do it cleanly. -add_ons_pfx= -if test x"$add_ons" != x; then - for f in $add_ons; do - # Some sanity checks - if test "$f" = "crypt"; then - 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.]) - fi - if test "$f" = "localedata"; then - 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.]) - fi - # Test whether such a subdir really exists. - if test -d $srcdir/$f; then - add_ons_pfx="$add_ons_pfx $f/" - dnl This variable is what AC_CONFIG_SUBDIRS is supposed to set, - dnl but the new Autoconf maintainers don't care about compatibility - dnl so we cannot use it normally any more without complaints. - subdirs="$subdirs $f" - else - AC_MSG_ERROR(add-on directory \"$f\" does not exist) - fi - done -fi - dnl On some platforms we cannot use dynamic loading. We must provide dnl static NSS modules. AC_ARG_ENABLE([static-nss], @@ -334,6 +302,9 @@ aix*) ;; esac +# The configure fragment of an add-on 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=$config_machine vendor=$config_vendor os=$config_os @@ -351,6 +322,59 @@ case "$machine-$host_os" in ;; esac + +# An add-on can set this when it the tuple to disable the sanity check below. +libc_config_ok=no + +dnl Having this here, though empty, makes sure that if add-ons' fragments +dnl do AC_CONFIG_SUBDIRS([some-dir]), which just sets $subdirs, then +dnl our AC_OUTPUT will actually use it. +AC_CONFIG_SUBDIRS() + +add_ons_sfx= +add_ons_pfx= +if test x"$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 + + # Test whether such a subdir really exists. + if test -d $srcdir/$f; then + add_ons_pfx="$add_ons_pfx $f/" + add_ons_sfx="$add_ons_sfx /$f" + else + AC_MSG_ERROR(add-on directory \"$f\" does not exist) + fi + done + + for f in $add_ons; do + frag=$srcdir/$f/configure + if test -r $frag; then + AC_MSG_RESULT(running configure fragment for add-on $f) + . $frag + else + AC_MSG_WARN(add-on fragment $frag missing) + fi + done +fi +AC_SUBST(add_ons) + + ### ### I put this here to prevent those annoying emails from people who cannot ### read and try to compile glibc on unsupported platforms. --drepper @@ -359,7 +383,7 @@ esac ### one can skip this test to make the configuration not fail for unsupported ### platforms. ### -if test -z "$enable_hacker_mode"; then +if test -z "$enable_hacker_mode" && test x"$libc_config_ok" != xyes; then case "$machine-$host_os" in *-linux* | *-gnu* | arm*-none* | powerpc-aix4.3.*) ;; @@ -378,8 +402,9 @@ fi dnl We need to use [ and ] for other purposes for a while now. changequote(,)dnl # Expand the configuration machine name into a subdirectory by architecture -# type and particular chip. -case "$machine" in +# type and particular chip. If an add-on configure fragment already set +# base_machine, we don't change it. +test -n "$base_machine" || case "$machine" in a29k | am29000) base_machine=a29k machine=a29k ;; alpha*) base_machine=alpha machine=alpha/$machine ;; arm*) base_machine=arm machine=arm/arm32/$machine ;; @@ -535,16 +560,18 @@ for d in $add_ons_pfx ''; do for o in /$ostry ''; do test "$o" = / && continue 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 - if test -d $srcdir/$try; then - sysnames="$sysnames $try" - { test -n "$o" || test -n "$b"; } && os_used=t - { test -n "$m" || test -n "$m0"; } && machine_used=t + for a in $add_ons_sfx ''; do + if test "$m0$b$v$o$m"; then + try="${d}sysdeps$m0$b$v$o$m$a" + test -n "$enable_debug_configure" && + echo "$0 [DEBUG]: try $try" >&2 + if test -d $srcdir/$try; then + sysnames="$sysnames $try" + { test -n "$o" || test -n "$b"; } && os_used=t + { test -n "$m" || test -n "$m0"; } && machine_used=t + fi fi - fi + done done done done |