From 535277afc588a816a95fd8b2bf286343ccf235ca Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Fri, 23 Aug 2019 09:40:59 +0200
Subject: [PATCH] Fix issue with $< automatic variable on FreeBSD

BSD make only evaluates $< for implicit rules, so building from the
repository won't work unless GNU make is installed and used, or we
replace affected uses like this.
---
 src/libstrongswan/Makefile.am | 4 ++--
 src/starter/Makefile.am       | 4 ++--
 src/stroke/Makefile.am        | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/libstrongswan/Makefile.am b/src/libstrongswan/Makefile.am
index db8e9c23a..77fe6ebff 100644
--- a/src/libstrongswan/Makefile.am
+++ b/src/libstrongswan/Makefile.am
@@ -231,13 +231,13 @@ $(srcdir)/crypto/proposal/proposal_keywords_static.h: $(srcdir)/crypto/proposal/
 		$(AM_V_GEN) \
 		sed \
 		-e "s:\@GPERF_LEN_TYPE\@:$(GPERF_LEN_TYPE):" \
-		$< > $@
+		$(srcdir)/crypto/proposal/proposal_keywords_static.h.in > $@
 
 $(srcdir)/crypto/proposal/proposal_keywords_static.c:	$(srcdir)/crypto/proposal/proposal_keywords_static.txt \
 														$(srcdir)/crypto/proposal/proposal_keywords_static.h
 		$(AM_V_GEN) \
 		$(GPERF) -N proposal_get_token_static -m 10 -C -G -c -t -D \
-			--output-file=$@ $<
+			--output-file=$@ $(srcdir)/crypto/proposal/proposal_keywords_static.txt
 
 if STATIC_PLUGIN_CONSTRUCTORS
 BUILT_SOURCES += $(srcdir)/plugin_constructors.c
diff --git a/src/starter/Makefile.am b/src/starter/Makefile.am
index 1dc656fed..298a1fb57 100644
--- a/src/starter/Makefile.am
+++ b/src/starter/Makefile.am
@@ -50,12 +50,12 @@ keywords.h: $(srcdir)/keywords.h.in
 		$(AM_V_GEN) \
 		sed \
 		-e "s:\@GPERF_LEN_TYPE\@:$(GPERF_LEN_TYPE):" \
-		$< > $@
+		$(srcdir)/keywords.h.in > $@
 
 keywords.c:	$(srcdir)/keywords.txt keywords.h
 		$(AM_V_GEN) \
 		$(GPERF) -m 10 -C -G -D -t \
-			--output-file=$@ $<
+			--output-file=$@ $(srcdir)/keywords.txt
 
 install-exec-local :
 		test -e "$(DESTDIR)${sysconfdir}/ipsec.d" || $(INSTALL) -d "$(DESTDIR)$(sysconfdir)/ipsec.d" || true
diff --git a/src/stroke/Makefile.am b/src/stroke/Makefile.am
index 3b7c465b6..2f3d5c120 100644
--- a/src/stroke/Makefile.am
+++ b/src/stroke/Makefile.am
@@ -15,9 +15,9 @@ stroke_keywords.h: $(srcdir)/stroke_keywords.h.in
 		$(AM_V_GEN) \
 		sed \
 		-e "s:\@GPERF_LEN_TYPE\@:$(GPERF_LEN_TYPE):" \
-		$< > $@
+		$(srcdir)/stroke_keywords.h.in > $@
 
 stroke_keywords.c:	$(srcdir)/stroke_keywords.txt stroke_keywords.h
 		$(AM_V_GEN) \
 		$(GPERF) -m 10 -D -C -G -t \
-			--output-file=$@ $<
+			--output-file=$@ $(srcdir)/stroke_keywords.txt