update(cmake): Install libraries into CMAKE_INSTALL_LIBDIR

Install libraries into CMAKE_INSTALL_LIBDIR. This appears to be more
compliant with the FHS[1] and simplifies linking when BUILD_SHARED_LIBS
is enabled.

[1] https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch04s06.html

Signed-off-by: Gerald Combs <gerald@wireshark.org>

cmake/modules/libscap.cmake

@@ -75,11 +75,7 @@ foreach(libscap_conditional_lib ${libscap_conditional_libs})
 	endif()
 endforeach()
 
-install(TARGETS ${LIBSCAP_LIBS}
-			ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}/${LIBS_PACKAGE_NAME}"
-			LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}/${LIBS_PACKAGE_NAME}"
-			RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
-			COMPONENT "scap" OPTIONAL)
+install(TARGETS ${LIBSCAP_LIBS} COMPONENT "scap" OPTIONAL)
 install(DIRECTORY "${LIBSCAP_INCLUDE_DIR}" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${LIBS_PACKAGE_NAME}/userspace"
 			COMPONENT "scap"
 			FILES_MATCHING PATTERN "*.h"

cmake/modules/libsinsp.cmake

@@ -72,11 +72,7 @@ function(set_sinsp_target_properties target)
 endfunction()
 
 add_subdirectory(${LIBSINSP_DIR}/userspace/libsinsp ${CMAKE_BINARY_DIR}/libsinsp)
-install(TARGETS sinsp
-			ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}/${LIBS_PACKAGE_NAME}"
-			LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}/${LIBS_PACKAGE_NAME}"
-			RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
-			COMPONENT "sinsp")
+install(TARGETS sinsp COMPONENT "sinsp")
 install(DIRECTORY "${LIBSINSP_DIR}/userspace/libsinsp" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${LIBS_PACKAGE_NAME}/userspace"
 			COMPONENT "sinsp"
 			FILES_MATCHING PATTERN "*.h"

userspace/libscap/libscap.pc.in

@@ -6,5 +6,5 @@ Name: libscap
 Description: lib for System CAPture
 Version: @FALCOSECURITY_LIBS_VERSION@
 
-Libs: -L${libdir}/@LIBS_PACKAGE_NAME@ -lscap -lscap_error -lscap_platform @SCAP_LINK_LIBRARIES_FLAGS@
+Libs: -L${libdir} -lscap -lscap_error -lscap_platform @SCAP_LINK_LIBRARIES_FLAGS@
 Cflags: -I${includedir}/@LIBS_PACKAGE_NAME@/userspace/libscap

userspace/libsinsp/libsinsp.pc.in

@@ -7,5 +7,5 @@ Description: lib for System INSPection
 Version: @FALCOSECURITY_LIBS_VERSION@
 
 Requires: libscap
-Libs: -L${libdir}/@LIBS_PACKAGE_NAME@ -lsinsp @SINSP_PKG_CONFIG_LIBDIRS@ @SINSP_PKG_CONFIG_LIBS@
+Libs: -L${libdir} -lsinsp @SINSP_PKG_CONFIG_LIBDIRS@ @SINSP_PKG_CONFIG_LIBS@
 Cflags: -I${includedir}/@LIBS_PACKAGE_NAME@/userspace/libsinsp @SINSP_PKG_CONFIG_INCLUDES@