diff mbox series

[10/12] trace-cmd: Add make uninstall

Message ID 20201216044214.680385146@goodmis.org (mailing list archive)
State Accepted
Commit e4aff1c272920e9dea05e6375c4f6137a0ac2f32
Headers show
Series trace-cmd: Updates to the Makefile | expand

Commit Message

Steven Rostedt Dec. 16, 2020, 4:42 a.m. UTC 
From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>

Create the logic to remove the files that would normally be installed.

Note, this does take the DESTDIR and prefix variables into account. Where
the uninstall may only work for an install with the same variables.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 Makefile         | 30 ++++++++++++++++++++++++++++++
 scripts/utils.mk |  2 ++
 2 files changed, 32 insertions(+)
diff mbox series

Patch

diff --git a/Makefile b/Makefile
index c1192da4f049..ddceab3f45e7 100644
--- a/Makefile
+++ b/Makefile
@@ -484,6 +484,36 @@  clean:
 	if [ -f $(kshark-dir)/build/Makefile ]; then $(MAKE) -C $(kshark-dir)/build clean; fi
 	cd $(kshark-dir)/build; ./cmake_clean.sh
 
+define build_uninstall_script
+	$(Q)mkdir $(BUILD_OUTPUT)/tmp_build
+	$(Q)$(MAKE) -C $(src) DESTDIR=$(BUILD_OUTPUT)/tmp_build O=$(BUILD_OUTPUT) $1 > /dev/null
+	$(Q)find $(BUILD_OUTPUT)/tmp_build ! -type d -printf "%P\n" > $(BUILD_OUTPUT)/build_$2
+	$(Q)$(RM) -rf $(BUILD_OUTPUT)/tmp_build
+endef
+
+build_uninstall:
+	$(call build_uninstall_script,install,uninstall)
+
+$(BUILD_OUTPUT)/build_uninstall: build_uninstall
+
+build_libs_uninstall:
+	$(call build_uninstall_script,install_libs,libs_uninstall)
+
+$(BUILD_OUTPUT)/build_libs_uninstall: build_libs_uninstall
+
+define uninstall_file
+	if [ -f $(DESTDIR)/$1 -o -h $(DESTDIR)/$1 ]; then \
+		$(call print_uninstall,$(DESTDIR)/$1)$(RM) $(DESTDIR)/$1; \
+	fi;
+endef
+
+uninstall: $(BUILD_OUTPUT)/build_uninstall
+	@$(foreach file,$(shell cat $(BUILD_OUTPUT)/build_uninstall),$(call uninstall_file,$(file)))
+	$(Q)$(RM) $<
+
+uninstall_libs: $(BUILD_OUTPUT)/build_libs_uninstall
+	@$(foreach file,$(shell cat $(BUILD_OUTPUT)/build_libs_uninstall),$(call uninstall_file,$(file)))
+	$(Q)$(RM) $<
 
 ##### PYTHON STUFF #####
 
diff --git a/scripts/utils.mk b/scripts/utils.mk
index e166c6ae3f9d..c8ef44b3776a 100644
--- a/scripts/utils.mk
+++ b/scripts/utils.mk
@@ -30,6 +30,7 @@  ifeq ($(findstring 1,$(SILENT)$(VERBOSE)),1)
   print_plugin_obj_compile =
   print_plugin_build =
   print_install =
+  print_uninstall =
   print_update =
 else
   print_compile =		echo '  $(GUI)COMPILE            '$(GOBJ);
@@ -41,6 +42,7 @@  else
   print_static_lib_build =	echo '  $(GUI)BUILD STATIC LIB   '$(GOBJ);
   print_install =		echo '  $(GUI)INSTALL     '$(GSPACE)$1'	to	$(DESTDIR_SQ)$2';
   print_update =		echo '  $(GUI)UPDATE             '$(GOBJ);
+  print_uninstall =		echo '  $(GUI)UNINSTALLING $(DESTDIR_SQ)$1';
 endif
 
 do_fpic_compile =					\