Remove TARGET_ROOT_OUT_SBIN / TARGET_ROOT_OUT_SBIN_UNSTRIPPED

/sbin was traditionally used for static binaries on the ramdisk for
Android, but now everything is a shared binary, so this directory is
empty and we do not want to encourage creation of new libraries in
this directory.

Bug: 73660730
Test: build
Change-Id: Ia82d892adfffb6fa325d0c570ae7999e7bb28dc2

core/build-system.html

@@ -516,8 +516,8 @@ LOCAL_MODULE_RELATIVE_PATH := hw
 example the root filesystem instead of in /system, add these lines to your
 Android.mk:</p>
 <pre>
-LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT_SBIN)
-LOCAL_UNSTRIPPED_PATH := $(TARGET_ROOT_OUT_SBIN_UNSTRIPPED)
+LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
+LOCAL_UNSTRIPPED_PATH := $(TARGET_ROOT_OUT_UNSTRIPPED)
 </pre>
 <p>For executables and libraries, you need to specify a
 <code>LOCAL_UNSTRIPPED_PATH</code> location if you specified a
@@ -527,9 +527,6 @@ the unstripped executables so GDB can find the symbols.
 <code>LOCAL_MODULE_RELATIVE_PATH</code>.</p>
 <p>Look in <code>core/envsetup.mk</code> for all of the variables defining
 places to build things.</p>
-<p>FYI: If you're installing an executable to /sbin, you probably also want to
-set <code>LOCAL_FORCE_STATIC_EXCUTABLE := true</code> in your Android.mk, which
-will force the linker to only accept static libraries.</p>
 
 
 <h3>Android.mk variables</h3>
@@ -685,8 +682,7 @@ installed when a given app is installed.
 <h4>LOCAL_FORCE_STATIC_EXECUTABLE</h4>
 <p>If your executable should be linked statically, set 
 <code>LOCAL_FORCE_STATIC_EXECUTABLE:=true</code>.  There is a very short
-list of libraries that we have in static form (currently only libc).  This is
-really only used for executables in /sbin on the root filesystem.</p>
+list of libraries that we have in static form (currently only libc).</p>
 
 <h4>LOCAL_GENERATED_SOURCES</h4>
 <p>Files that you add to <code>LOCAL_GENERATED_SOURCES</code> will be
@@ -812,7 +808,7 @@ them with the directory name:</p>
 <h4>LOCAL_STATIC_LIBRARIES</h4>
 <p>These are the static libraries that you want to include in your module.
 Mostly, we use shared libraries, but there are a couple of places, like
-executables in sbin and host executables where we use static libraries instead.
+host executables where we use static libraries instead.
 <p><code>LOCAL_STATIC_LIBRARIES := \<br/>
 	&nbsp;&nbsp;&nbsp;&nbsp;libutils \<br/>
 	&nbsp;&nbsp;&nbsp;&nbsp;libtinyxml

core/config.mk

@@ -93,6 +93,8 @@ $(KATI_obsolete_var \
 $(KATI_obsolete_var DIST_DIR dist_goal,Use dist-for-goals instead. See $(CHANGES_URL)#dist)
 $(KATI_obsolete_var TARGET_ANDROID_FILESYSTEM_CONFIG_H,Use TARGET_FS_CONFIG_GEN instead)
 $(KATI_deprecated_var USER,Use BUILD_USERNAME instead. See $(CHANGES_URL)#USER)
+$(KATI_obsolete_var TARGET_ROOT_OUT_SBIN,/sbin has been removed, use /system/bin instead)
+$(KATI_obsolete_var TARGET_ROOT_OUT_SBIN_UNSTRIPPED,/sbin has been removed, use /system/bin instead)
 
 # This is marked as obsolete in envsetup.mk after reading the BoardConfig.mk
 $(KATI_deprecate_export It is a global setting. See $(CHANGES_URL)#export_keyword)

core/envsetup.mk

@@ -825,7 +825,6 @@ TARGET_OUT_EXECUTABLES_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/system/bin
 TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/system/lib
 TARGET_OUT_VENDOR_SHARED_LIBRARIES_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/$(TARGET_COPY_OUT_VENDOR)/lib
 TARGET_ROOT_OUT_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)
-TARGET_ROOT_OUT_SBIN_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/sbin
 TARGET_ROOT_OUT_BIN_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)/bin
 TARGET_OUT_COVERAGE := $(PRODUCT_OUT)/coverage
 .KATI_READONLY := \
@@ -834,7 +833,6 @@ TARGET_OUT_COVERAGE := $(PRODUCT_OUT)/coverage
   TARGET_OUT_SHARED_LIBRARIES_UNSTRIPPED \
   TARGET_OUT_VENDOR_SHARED_LIBRARIES_UNSTRIPPED \
   TARGET_ROOT_OUT_UNSTRIPPED \
-  TARGET_ROOT_OUT_SBIN_UNSTRIPPED \
   TARGET_ROOT_OUT_BIN_UNSTRIPPED \
   TARGET_OUT_COVERAGE
 
@@ -843,13 +841,11 @@ TARGET_RAMDISK_OUT_UNSTRIPPED := $(TARGET_OUT_UNSTRIPPED)
 
 TARGET_ROOT_OUT := $(PRODUCT_OUT)/$(TARGET_COPY_OUT_ROOT)
 TARGET_ROOT_OUT_BIN := $(TARGET_ROOT_OUT)/bin
-TARGET_ROOT_OUT_SBIN := $(TARGET_ROOT_OUT)/sbin
 TARGET_ROOT_OUT_ETC := $(TARGET_ROOT_OUT)/etc
 TARGET_ROOT_OUT_USR := $(TARGET_ROOT_OUT)/usr
 .KATI_READONLY := \
   TARGET_ROOT_OUT \
   TARGET_ROOT_OUT_BIN \
-  TARGET_ROOT_OUT_SBIN \
   TARGET_ROOT_OUT_ETC \
   TARGET_ROOT_OUT_USR