[build] Pass _unitdir to makefile. JB#50027

To make sure that the one used by makefile matches the build environment.

rpm/nfcd.spec

@@ -54,7 +54,7 @@ make LIBDIR=%{_libdir} KEEP_SYMBOLS=1 release pkgconfig
 %define settings_dir %{_sharedstatedir}/nfcd/
 %define settings_file %{settings_dir}/settings
 rm -rf %{buildroot}
-make install DESTDIR=%{buildroot} LIBDIR=%{_libdir}
+make install DESTDIR=%{buildroot} LIBDIR=%{_libdir} UNITDIR=%{_unitdir}
 install -d -m 0700 %{buildroot}/%{settings_dir}
 mkdir -p %{buildroot}/%{target_wants_dir}
 ln -s ../nfcd.service %{buildroot}/%{target_wants_dir}/nfcd.service

src/Makefile

@@ -182,11 +182,14 @@ endif
 # Install
 #
 
+UNITDIR ?= usr/lib/systemd/system
+ABS_UNITDIR := $(shell echo /$(UNITDIR) | sed -r 's|/+|/|g')
+
 INSTALL = install
 INSTALL_DIRS = $(INSTALL) -d
 
 INSTALL_SBIN_DIR = $(DESTDIR)/usr/sbin
-INSTALL_SYSTEMD_DIR = $(DESTDIR)/usr/lib/systemd/system
+INSTALL_SYSTEMD_DIR = $(DESTDIR)$(ABS_UNITDIR)
 
 install: $(RELEASE_EXE) $(INSTALL_SBIN_DIR) $(INSTALL_SYSTEMD_DIR)
 	$(INSTALL) -m 644 nfcd.service "$(INSTALL_SYSTEMD_DIR)"