contrib/credential: add install target

Add an install target rule to the Makefiles in contrib/credential in the
same manner as in other Makefiles in contrib such as for contacts or
subtree.

Signed-off-by: Thomas Uhle <thomas.uhle@mailbox.tu-dresden.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: uhle

contrib/credential/libsecret/Makefile

@@ -10,6 +10,7 @@ gitexecdir ?= $(prefix)/libexec/git-core
 CC ?= gcc
 CFLAGS ?= -g -O2 -Wall
 PKG_CONFIG ?= pkg-config
+INSTALL ?= install
 RM ?= rm -f
 
 INCS:=$(shell $(PKG_CONFIG) --cflags libsecret-1 glib-2.0)
@@ -21,7 +22,11 @@ LIBS:=$(shell $(PKG_CONFIG) --libs libsecret-1 glib-2.0)
 git-credential-libsecret: git-credential-libsecret.o
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) $(LIBS)
 
+install: git-credential-libsecret
+	$(INSTALL) -d -m 755 $(DESTDIR)$(gitexecdir)
+	$(INSTALL) -m 755 $< $(DESTDIR)$(gitexecdir)
+
 clean:
 	$(RM) git-credential-libsecret git-credential-libsecret.o
 
-.PHONY: all clean
+.PHONY: all install clean

contrib/credential/osxkeychain/Makefile

@@ -9,6 +9,7 @@ gitexecdir ?= $(prefix)/libexec/git-core
 
 CC ?= gcc
 CFLAGS ?= -g -O2 -Wall
+INSTALL ?= install
 RM ?= rm -f
 
 %.o: %.c
@@ -18,7 +19,11 @@ git-credential-osxkeychain: git-credential-osxkeychain.o
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) \
 		-framework Security -framework CoreFoundation
 
+install: git-credential-osxkeychain
+	$(INSTALL) -d -m 755 $(DESTDIR)$(gitexecdir)
+	$(INSTALL) -m 755 $< $(DESTDIR)$(gitexecdir)
+
 clean:
 	$(RM) git-credential-osxkeychain git-credential-osxkeychain.o
 
-.PHONY: all clean
+.PHONY: all install clean