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-rw-r--r--build-aux/Makefile.once.head/09-generate.mk1
-rw-r--r--build-aux/Makefile.once.head/20-golang.mk16
-rw-r--r--build-aux/Makefile.once.head/20-var.mk7
3 files changed, 24 insertions, 0 deletions
diff --git a/build-aux/Makefile.once.head/09-generate.mk b/build-aux/Makefile.once.head/09-generate.mk
new file mode 100644
index 0000000..b07bb3f
--- /dev/null
+++ b/build-aux/Makefile.once.head/09-generate.mk
@@ -0,0 +1 @@
+at.phony += generate
diff --git a/build-aux/Makefile.once.head/20-golang.mk b/build-aux/Makefile.once.head/20-golang.mk
new file mode 100644
index 0000000..ed3056c
--- /dev/null
+++ b/build-aux/Makefile.once.head/20-golang.mk
@@ -0,0 +1,16 @@
+# Copyright 2015-2016 Luke Shumaker
+
+golang.Q ?= @
+golang.FLAGS ?=
+
+_golang.cgo_variables = CGO_ENABLED CGO_CFLAGS CGO_CPPFLAGS CGO_CXXFLAGS CGO_LDFLAGS CC CXX
+$(foreach v,$(_golang.cgo_variables),$(eval $v ?=))
+export $(_golang.cgo_variables)
+
+_golang.src_cmd = find -L $1/src -name '.*' -prune -o \( -type f \( -false $(foreach e,go c s S cc cpp cxx h hh hpp hxx,-o -name '*.$e') \) -o -type d \) -print
+golang.src = $(shell $(_golang.src_cmd)) $(addprefix $(var),$(_golang.cgo_variables))
+
+define golang.install
+ GOPATH='$(abspath $1)' go install $(golang.FLAGS) $2
+ $(golang.Q)true $(foreach e,$(notdir $2), && test -f $1/bin/$e -a -x $1/bin/$e && touch $1/bin/$e)
+endef
diff --git a/build-aux/Makefile.once.head/20-var.mk b/build-aux/Makefile.once.head/20-var.mk
new file mode 100644
index 0000000..5f97ef7
--- /dev/null
+++ b/build-aux/Makefile.once.head/20-var.mk
@@ -0,0 +1,7 @@
+# Copyright 2015-2016 Luke Shumaker <lukeshu@sbcglobal.net>.
+
+var = $(patsubst ./%,%,$(topoutdir)/.var.)
+
+$(var)%: FORCE
+ @printf '%s' '$(subst ','\'',$($*))' | sed 's|^|#|' | $(WRITE_IFCHANGED) $@
+-include $(wildcard $(var)*)