tools lib traceevent: Remove hard coded install paths from pkg-config file

Install directories of header and library files are hard coded in
pkg-config template file.

They must be configurable, the Makefile should set them on the
compilation / install stage.

Signed-off-by: Tzvetomir Stoyanov <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Steven Rostedt (VMware) <[e-mail]>
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/lib/traceevent/Makefile

···
 man_dir_SQ = '$(subst ','\'',$(man_dir))'
 pkgconfig_dir ?= $(word 1,$(shell $(PKG_CONFIG) 		\
 			--variable pc_path pkg-config | tr ":" " "))
+includedir_relative = traceevent
+includedir = $(prefix)/include/$(includedir_relative)
+includedir_SQ = '$(subst ','\'',$(includedir))'
 
 export man_dir man_dir_SQ INSTALL
 export DESTDIR DESTDIR_SQ
···
 		cp -f ${PKG_CONFIG_FILE}.template ${PKG_CONFIG_FILE}; 		\
 		sed -i "s|INSTALL_PREFIX|${1}|g" ${PKG_CONFIG_FILE}; 		\
 		sed -i "s|LIB_VERSION|${EVENT_PARSE_VERSION}|g" ${PKG_CONFIG_FILE}; \
+		sed -i "s|LIB_DIR|${libdir}|g" ${PKG_CONFIG_FILE}; \
+		sed -i "s|HEADER_DIR|$(includedir)|g" ${PKG_CONFIG_FILE}; \
 		$(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); 	\
 	else 									\
 		(echo Failed to locate pkg-config directory) 1>&2;		\
···
 
 install_headers:
 	$(call QUIET_INSTALL, headers) \
-		$(call do_install,event-parse.h,$(prefix)/include/traceevent,644); \
-		$(call do_install,event-utils.h,$(prefix)/include/traceevent,644); \
-		$(call do_install,trace-seq.h,$(prefix)/include/traceevent,644); \
-		$(call do_install,kbuffer.h,$(prefix)/include/traceevent,644)
+		$(call do_install,event-parse.h,$(DESTDIR)$(includedir_SQ),644); \
+		$(call do_install,event-utils.h,$(DESTDIR)$(includedir_SQ),644); \
+		$(call do_install,trace-seq.h,$(DESTDIR)$(includedir_SQ),644); \
+		$(call do_install,kbuffer.h,$(DESTDIR)$(includedir_SQ),644)
 
 install: install_lib
 

tools/lib/traceevent/libtraceevent.pc.template

···
 prefix=INSTALL_PREFIX
-libdir=${prefix}/lib64
-includedir=${prefix}/include/traceevent
+libdir=LIB_DIR
+includedir=HEADER_DIR
 
 Name: libtraceevent
 URL: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git