Create symbols to export in libtdb dynamically from tdb.h.

This adds a general mechanism to create version-scripts for
linking shared libraries from one or several header files,
similar to mkproto.sh/awk.

Michael
(This used to be commit 65817703c49a7410f4f0c8b46494ede6169d9fa6)

1 files changed, 45 insertions, 0 deletions

diff --git a/source3/script/mksyms.sh b/source3/script/mksyms.sh
new file mode 100755
index 0000000000..637ec5027c
--- /dev/null
+++ b/source3/script/mksyms.sh
@@ -0,0 +1,45 @@
+#! /bin/sh
+
+#
+# mksyms.sh
+#
+# Extract symbols to export from C-header files.
+# output in version-script format for linking shared libraries.
+#
+# This is the shell warpper for the mksyms.awk core script.
+#
+# Copyright (C) 2008 Micheal Adam <obnox@samba.org>
+#
+
+LANG=C; export LANG
+LC_ALL=C; export LC_ALL
+LC_COLLATE=C; export LC_COLLATE
+
+if [ $# -lt 2 ]
+then
+  echo "Usage: $0 awk output_file header_files"
+  exit 1
+fi
+
+awk="$1"
+shift
+
+symsfile="$1"
+shift
+symsfile_tmp="$symsfile.$$.tmp~"
+
+proto_src="`echo $@ | tr ' ' '\n' | sort | uniq `"
+
+echo creating $symsfile
+
+mkdir -p `dirname $symsfile`
+
+${awk} -f script/mksyms.awk $proto_src > $symsfile_tmp
+
+if cmp -s $symsfile $symsfile_tmp 2>/dev/null
+then
+  echo "$symsfile unchanged"
+  rm $symsfile_tmp
+else
+  mv $symsfile_tmp $symsfile
+fi