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-rw-r--r--src/backend/utils/Gen_dummy_probes.pl.prolog19
-rw-r--r--src/backend/utils/Makefile8
-rw-r--r--src/backend/utils/README.Gen_dummy_probes2
3 files changed, 25 insertions, 4 deletions
diff --git a/src/backend/utils/Gen_dummy_probes.pl.prolog b/src/backend/utils/Gen_dummy_probes.pl.prolog
new file mode 100644
index 00000000000..1c8993377d6
--- /dev/null
+++ b/src/backend/utils/Gen_dummy_probes.pl.prolog
@@ -0,0 +1,19 @@
+#! /usr/bin/perl -w
+#-------------------------------------------------------------------------
+#
+# Gen_dummy_probes.pl
+# Perl script that generates probes.h file when dtrace is not available
+#
+# Portions Copyright (c) 2008-2021, PostgreSQL Global Development Group
+#
+#
+# IDENTIFICATION
+# src/backend/utils/Gen_dummy_probes.pl
+#
+# This program was generated by running perl's s2p over Gen_dummy_probes.sed
+#
+#-------------------------------------------------------------------------
+
+# turn off perlcritic for autogenerated code
+## no critic
+
diff --git a/src/backend/utils/Makefile b/src/backend/utils/Makefile
index bcf9dd41adf..ef8df254826 100644
--- a/src/backend/utils/Makefile
+++ b/src/backend/utils/Makefile
@@ -92,10 +92,10 @@ $(top_builddir)/src/include/utils/probes.h: probes.h
# Nothing depends on it, so it will never be called unless explicitly requested
# The last two lines of the recipe format the script according to our
# standard and put back some blank lines for improved readability.
-Gen_dummy_probes.pl: Gen_dummy_probes.sed
- perl -ni -e ' print; exit if /^\$$0/;' $@
- s2p -f $< | sed -e 1,4d -e '/# #/d' -e '$$d' >> $@
- perltidy --profile=../../tools/pgindent/perltidyrc $@
+Gen_dummy_probes.pl: Gen_dummy_probes.sed Gen_dummy_probes.pl.prolog
+ cp $(srcdir)/Gen_dummy_probes.pl.prolog $@
+ s2p -f $< | sed -e 1,3d -e '/# #/ d' -e '$$d' >> $@
+ perltidy --profile=$(srcdir)/../../tools/pgindent/perltidyrc $@
perl -pi -e '!$$lb && ( /^\t+#/ || /^# prototypes/ ) && print qq{\n};'\
-e '$$lb = m/^\n/; ' $@
diff --git a/src/backend/utils/README.Gen_dummy_probes b/src/backend/utils/README.Gen_dummy_probes
index 90fec37bce4..e17060ef248 100644
--- a/src/backend/utils/README.Gen_dummy_probes
+++ b/src/backend/utils/README.Gen_dummy_probes
@@ -23,3 +23,5 @@ on Fedora it can be installed using `cpan App::s2p` or
The Makefile contains a recipe for regenerating Gen_dummy_probes.pl, so all
you need to do is once you have s2p installed is `make Gen_dummy_probes.pl`
+Note that in a VPATH build this will generate the file in the vpath tree,
+not the source tree.