From 92d25ed3dd0b1d2f0e0cd48b508cc8ed3e9882ef Mon Sep 17 00:00:00 2001
From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Tue, 29 Nov 2016 15:51:18 +0100
Subject: tools: use stamp files to allow parallel build of autogen files

Autogen seems to output on the creates files gradually, something that
makes 'make' believe that the command is complete prior to the output
file being fully populated. The current approach uses stamp files to
ensure that no incomplete files are used for compilation.
---
 .gitignore      |  1 +
 src/Makefile.am | 75 ++++++++++++++++++++++++++++++++++++++++-----------------
 2 files changed, 54 insertions(+), 22 deletions(-)

diff --git a/.gitignore b/.gitignore
index 8d4525fad0..01e482e7be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -769,3 +769,4 @@ tests/mini-server-name
 tests/mini-x509-cert-callback
 tests/sign-md5-rep
 tests/slow/cipher-override2
+src/*.stamp
diff --git a/src/Makefile.am b/src/Makefile.am
index 06b1f46cfe..6c145af85a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -218,37 +218,68 @@ libcmd_systemkey_la_SOURCES = systemkey-args.def systemkey-args.c systemkey-args
 libcmd_systemkey_la_LIBADD = ../lib/libgnutls.la gl/libgnu_gpl.la ../gl/libgnu.la 
 libcmd_systemkey_la_LIBADD += $(LTLIBREADLINE) $(INET_PTON_LIB) $(LIB_CLOCK_GETTIME)
 
-danetool-args.h: danetool-args.c
-danetool-args.c: $(srcdir)/danetool-args.def $(srcdir)/args-std.def
+danetool-args.h: danetool-args.stamp
+danetool-args.c: danetool-args.stamp
+danetool-args.stamp: $(srcdir)/danetool-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-ocsptool-args.h: ocsptool-args.c
-ocsptool-args.c: $(srcdir)/ocsptool-args.def $(srcdir)/args-std.def
+	touch $@
+
+ocsptool-args.h: ocsptool-args.stamp
+ocsptool-args.c: ocsptool-args.stamp
+ocsptool-args.stamp: $(srcdir)/ocsptool-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-tpmtool-args.h: tpmtool-args.c
-tpmtool-args.c: $(srcdir)/tpmtool-args.def $(srcdir)/args-std.def
+	touch $@
+
+tpmtool-args.h: tpmtool-args.stamp
+tpmtool-args.c: tpmtool-args.stamp
+tpmtool-args.stamp: $(srcdir)/tpmtool-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-p11tool-args.h: p11tool-args.c
-p11tool-args.c: $(srcdir)/p11tool-args.def $(srcdir)/args-std.def
+	touch $@
+
+p11tool-args.h: p11tool-args.stamp
+p11tool-args.c: p11tool-args.stamp
+p11tool-args.stamp: $(srcdir)/p11tool-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-psktool-args.h: psktool-args.c
-psktool-args.c: $(srcdir)/psktool-args.def $(srcdir)/args-std.def
+	touch $@
+
+psktool-args.h: psktool-args.stamp
+psktool-args.c: psktool-args.stamp
+psktool-args.stamp: $(srcdir)/psktool-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-cli-debug-args.h: cli-debug-args.c
-cli-debug-args.c: $(srcdir)/cli-debug-args.def $(srcdir)/args-std.def
+	touch $@
+
+cli-debug-args.h: cli-debug-args.stamp
+cli-debug-args.c: cli-debug-args.stamp
+cli-debug-args.stamp: $(srcdir)/cli-debug-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-cli-args.h: cli-args.c
-cli-args.c cli-args.h: $(srcdir)/cli-args.def $(srcdir)/args-std.def
+	touch $@
+
+cli-args.h: cli-args.stamp
+cli-args.c: cli-args.stamp
+cli-args.stamp cli-args.h: $(srcdir)/cli-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-serv-args.h: serv-args.c
-serv-args.c: $(srcdir)/serv-args.def $(srcdir)/args-std.def
+	touch $@
+
+serv-args.h: serv-args.stamp
+serv-args.c: serv-args.stamp
+serv-args.stamp: $(srcdir)/serv-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-srptool-args.h: srptool-args.c
-srptool-args.c: $(srcdir)/srptool-args.def $(srcdir)/args-std.def
+	touch $@
+
+srptool-args.h: srptool-args.stamp
+srptool-args.c: srptool-args.stamp
+srptool-args.stamp: $(srcdir)/srptool-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
-certtool-args.h: certtool-args.c
-certtool-args.c: $(srcdir)/certtool-args.def $(srcdir)/args-std.def
+	touch $@
+
+certtool-args.h: certtool-args.stamp
+certtool-args.c: certtool-args.stamp
+certtool-args.stamp: $(srcdir)/certtool-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
+	touch $@
 
-systemkey-args.h: systemkey-args.c
-systemkey-args.c: $(srcdir)/systemkey-args.def $(srcdir)/args-std.def
+systemkey-args.h: systemkey-args.stamp
+systemkey-args.c: systemkey-args.stamp
+systemkey-args.stamp: $(srcdir)/systemkey-args.def $(srcdir)/args-std.def
 	-$(AUTOGEN) $<
+	touch $@
-- 
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