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authorLuke Shumaker <lukeshu@sbcglobal.net>2015-09-02 13:24:13 -0600
committerLuke Shumaker <lukeshu@sbcglobal.net>2015-09-02 13:25:05 -0600
commit26ccaab75a1eae3d71a6497dacc7818f8e62417d (patch)
treeb38892006c7cf12b1e268dad4d62893f9b89a985
parent1f87babb40b64892bf090e9ed1bcc71468c51015 (diff)
Makefile variable tracking
-rw-r--r--.gitignore5
-rw-r--r--Makefile15
-rw-r--r--nshd.service.in (renamed from nshd.service)2
3 files changed, 18 insertions, 4 deletions
diff --git a/.gitignore b/.gitignore
index 0de96dd..131b639 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
/pkg
/bin
-/src/*.*/ \ No newline at end of file
+/src/*.*/
+/nshd.service
+/.Makefile.var.*
+/.tmp.Makefile.var.*
diff --git a/Makefile b/Makefile
index 492bb7a..15c1c43 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,9 @@ GOPATH := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
CFLAGS = -std=c99 -Wall -Wextra -Werror -pedantic
CGO_CFLAGS = $(CFLAGS) -Wno-unused-parameter
+export CGO_ENABLED = 1
+
+cgo_variables = CGO_ENABLED CGO_CFLAGS CGO_CPPFLAGS CGO_CXXFLAGS CGO_LDFLAGS CC CXX
deps = gopkg.in/yaml.v2
subdirs = src/nslcd_proto
@@ -18,7 +21,7 @@ include $(addsuffix /Makefile,$(subdirs))
secondary +=
download += $(addprefix src/,$(deps))
generate +=
-build += bin/nshd
+build += bin/nshd nshd.service
install += $(addprefix $(DESTDIR),$(bindir)/nshd $(systemddir)/system/nshd.socket $(systemddir)/system/nshd.service)
download: $(download)
@@ -40,9 +43,13 @@ uninstall:
$(foreach d,$(deps),$(eval src/$d: NET; GOPATH='$(GOPATH)' go get -d -u $d))
.PHONY: NET
-bin/nshd: $(download) $(generate) $(shell find src -name .git -prune -o -print)
+bin/nshd: $(download) $(generate) $(shell find src -name .git -prune -o -print) $(addprefix .Makefile.var.,$(cgo_variables))
+ @true $(foreach f,$(filter .Makefile.var.%,$^), && test $@ -nt $f ) || rm -rf -- bin pkg
GOPATH='$(GOPATH)' CGO_CFLAGS='$(CGO_CFLAGS)' go install nshd
+nshd.service: nshd.service.in .Makefile.var.bindir
+ < $< sed 's|@bindir@|$(bindir)|g' > $@
+
$(DESTDIR)$(bindir)/%: bin/%
install -Dm755 $< $@
$(DESTDIR)$(systemddir)/system/%.socket: %.socket
@@ -50,5 +57,9 @@ $(DESTDIR)$(systemddir)/system/%.socket: %.socket
$(DESTDIR)$(systemddir)/system/%.service: %.service
install -Dm644 $< $@
+.Makefile.var.%: FORCE
+ @printf '%s' '$($*)' > .tmp$@ && { cmp -s .tmp$@ $@ && rm -f -- .tmp$@ || mv -Tf .tmp$@ $@; } || { rm -f -- .tmp$@; false; }
+.PHONY: FORCE
+
.SECONDARY:
.DELETE_ON_ERROR:
diff --git a/nshd.service b/nshd.service.in
index 0af363d..032976b 100644
--- a/nshd.service
+++ b/nshd.service.in
@@ -6,7 +6,7 @@ After=syslog.target nshd.socket
[Service]
Type=notify
Sockets=nshd.socket
-ExecStart=/usr/bin/nshd
+ExecStart=@bindir@/nshd
User=nshd
Group=nshd