1 files changed, 47 insertions, 0 deletions

diff --git a/bin/dosubst.awk b/bin/dosubst.awk
new file mode 100755
index 000000000..3ed0403dd
--- /dev/null
+++ b/bin/dosubst.awk
@@ -0,0 +1,47 @@
+# Dedicated to the public domain.
+# SPDX-License-Identifier: 0BSD
+#
+# awk script to substitute variables in scripts and applications.
+#
+# You can pass these variables to it in Makefiles or on the
+# commandline:
+#  bdir="$(bindir)"
+#  py="$(PYTHON)"
+#  awkay="$(AWK_BINARY)"
+#  pfx="$(prefix)"
+#  prl="$(PERL)"
+#  sysconfdirectory="$(sysconfdir)"
+#  pkgdatadirectory="$(pkgdatadir)"
+
+{
+
+  if (/@bindirectory@/) {
+    gsub("@bindirectory@",bdir) ;
+  }
+
+  if (/@PYTHONEXE@/) {
+    gsub("@PYTHONEXE@",py) ;
+  }
+
+  if (/@AWKEXE@/) {
+    gsub("@AWKEXE@",awkay) ;
+  }
+
+  if (/@SUBSTPREFIX@/) {
+    gsub("@SUBSTPREFIX@",pfx) ;
+  }
+
+  if (/@PERLEXE@/) {
+    gsub("@PERLEXE@",prl) ;
+  }
+
+  if (/@SYSCONFDIR@/) {
+    gsub("@SYSCONFDIR@",sysconfdirectory) ;
+  }
+
+  if (/@PKGDATADIRECTORY@/) {
+    gsub("@PKGDATADIRECTORY@",pkgdatadirectory) ;
+  }
+
+  print $0 ;
+}