libcap: only install shared version

If BR2_SHARED_LIBS is set, only install shared version of library
(continue to build both libraries through all target as there is no
libcap.so target but only a libcap.so.$(VERSION).$(MINOR))

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 7984f2d97b4271c14e0922ef22027edaedd78e59)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libcap/libcap.mk

@@ -18,6 +18,9 @@ HOST_LIBCAP_DEPENDENCIES = host-gperf
 ifeq ($(BR2_STATIC_LIBS),y)
 LIBCAP_MAKE_TARGET = libcap.a libcap.pc
 LIBCAP_MAKE_INSTALL_TARGET = install-static
+else ifeq ($(BR2_SHARED_LIBS),y)
+LIBCAP_MAKE_TARGET = all
+LIBCAP_MAKE_INSTALL_TARGET = install-shared
 else
 LIBCAP_MAKE_TARGET = all
 LIBCAP_MAKE_INSTALL_TARGET = install