commands: install helpers in libexec

Script helpers to the evl command are installed in $prefix/libexec. By
convention, source scripts are suffixed by ".evl" to identify them
unambiguously. They are copied to $libexec/evl-<script>.

Signed-off-by: Philippe Gerum <rpm@xenomai.org>

commands/Makefile

@@ -2,10 +2,11 @@
 
 include ../config.mk
 
-CMDFILES := $(wildcard *.c)
-BINARIES = $(CMDFILES:%.c=%)
-TARGETS = $(CMDFILES:%.c=$(O_DIR)/%)
-DEPFILES = $(CMDFILES:%.c=$(O_DIR)/%.d)
+SRCFILES := $(wildcard *.c)
+BINARIES = $(SRCFILES:%.c=%)
+TARGETS = $(SRCFILES:%.c=$(O_DIR)/%)
+DEPFILES = $(SRCFILES:%.c=$(O_DIR)/%.d)
+HELPERS = $(wildcard *.evl)
 
 CMD_CPPFLAGS := $(BASE_CPPFLAGS) -I.
 CMD_CFLAGS := $(CMD_CPPFLAGS) $(BASE_CFLAGS)
@@ -14,9 +15,13 @@ override CFLAGS := $(CMD_CFLAGS) $(CFLAGS)
 all: $(TARGETS)
 
 install: all
-	$(Q)for bin in $(BINARIES); do						\
-		$(INSTALL) -D $(O_DIR)/$$bin $(DESTDIR)/$(bindir)/$$bin;	\
-	done
+	$(call inst-cmd,commands,						\
+		for bin in $(BINARIES); do					\
+		$(INSTALL) -D $(O_DIR)/$$bin $(DESTDIR)/$(bindir)/$$bin; done)
+	$(call inst-cmd,helpers,						\
+		for hlp in $(HELPERS); do					\
+		name=evl-$$(basename $$hlp .evl);				\
+		$(INSTALL) -D $$hlp $(DESTDIR)/$(libexecdir)/$$name; done)
 
 clean clobber mrproper:
 	$(Q)$(RM) -f $(TARGETS) $(DEPFILES)

config.mk

@@ -24,6 +24,7 @@ libdir		?= lib
 includedir	?= include
 bindir		?= bin
 testdir		?= tests
+libexecdir	?= libexec
 
 export ARCH CROSS_COMPILE CC LD AR UAPI CFLAGS LDFLAGS DESTDIR