rtla: Don't overwrite existing directory mode

The mode on /usr/bin is often 555 these days,
but make install on rtla overwrites this with 755

Fix this by preserving the current directory if it exists.

Link: https://lkml.kernel.org/r/8c294a6961080a1970fd8b73f7bcf1e3984579e2.1651247710.git.bristot@kernel.org
Link: https://lore.kernel.org/r/20220402043939.6962-1-jkacur@redhat.com
Cc: Daniel Bristot de Oliveria <bristot@redhat.com>
Fixes: 79ce8f43ac5a ("rtla: Real-Time Linux Analysis tool")
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: John Kacur <jkacur@redhat.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

diff --git a/tools/tracing/rtla/Makefile b/tools/tracing/rtla/Makefile
index 86d1df3763ef0d2143c4087283a7e99306f6ec5c..e28ae3f7826475e68b91f7593aed713f24d86028 100644 (file)
--- a/tools/tracing/rtla/Makefile
+++ b/tools/tracing/rtla/Makefile
@@ -23,6 +23,7 @@ $(call allow-override,LD_SO_CONF_PATH,/etc/ld.so.conf.d/)
 $(call allow-override,LDCONFIG,ldconfig)
 
 INSTALL        =       install
+MKDIR  =       mkdir
 FOPTS  :=      -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong \
                -fasynchronous-unwind-tables -fstack-clash-protection
 WOPTS  :=      -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized
@@ -103,7 +104,7 @@ static: $(OBJ)
 
 .PHONY: install
 install: doc_install
-       $(INSTALL) -d -m 755 $(DESTDIR)$(BINDIR)
+       $(MKDIR) -p $(DESTDIR)$(BINDIR)
        $(INSTALL) rtla -m 755 $(DESTDIR)$(BINDIR)
        $(STRIP) $(DESTDIR)$(BINDIR)/rtla
        @test ! -f $(DESTDIR)$(BINDIR)/osnoise || rm $(DESTDIR)$(BINDIR)/osnoise