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authorRoland McGrath <roland@redhat.com>2009-09-15 14:14:42 -0700
committerRoland McGrath <roland@redhat.com>2009-09-15 14:14:42 -0700
commit7967983fd42380b090a63b53fe57a05e1d1c0b4f (patch)
tree8a0f7e2aa9f450115c862c1ccc0c036c05046cfc /configure.in
parent02bf610ca82f4b5660dadcfff04124e73f8ef2ff (diff)
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configure tweaks, support $libc_add_on_config_subdirs
Diffstat (limited to 'configure.in')
-rw-r--r--configure.in18
1 files changed, 18 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 745e769cd1..4a81fb0516 100644
--- a/configure.in
+++ b/configure.in
@@ -6,6 +6,9 @@ AC_CONFIG_SRCDIR([include/features.h])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_AUX_DIR([scripts])
 
+dnl This is here so we can set $subdirs directly based on configure fragments.
+AC_CONFIG_SUBDIRS()
+
 AC_CANONICAL_HOST
 
 AC_PROG_CC
@@ -458,6 +461,7 @@ if test x"$add_ons" != x; then
 
     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 $libc_add_on)
       libc_add_on_canonical=unknown
@@ -489,6 +493,20 @@ if test x"$add_ons" != x; then
 	  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