perf: change dependencies on python to python3

The upstream kernel can now handle python3 for the perf scripts, coupled
with the impending EOL of python2, we switch the dependencies in perf
(scripting) to python3.

Outside of dependency changes, we also pass the following two variables
to the perf build: PYTHON=python3 PYTHON_CONFIG=python3-config. To
ensure that our python3 components are used.

For configurations that disable perf scripting, there is no change in
behaviour.

[YOCTO #13358]

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
index 4e603f1a32b8637ac5c92fef4f78fb1f08b8da66..af0410c88d005d4778e1a55e0a90eee517e744be 100644 (file)
--- a/meta/recipes-kernel/perf/perf.bb
+++ b/meta/recipes-kernel/perf/perf.bb
@@ -13,7 +13,7 @@ PR = "r9"
 
 PACKAGECONFIG ??= "scripting tui libunwind"
 PACKAGECONFIG[dwarf] = ",NO_DWARF=1"
-PACKAGECONFIG[scripting] = ",NO_LIBPERL=1 NO_LIBPYTHON=1,perl python"
+PACKAGECONFIG[scripting] = ",NO_LIBPERL=1 NO_LIBPYTHON=1,perl python3"
 # gui support was added with kernel 3.6.35
 # since 3.10 libnewt was replaced by slang
 # to cover a wide range of kernel we add both dependencies
@@ -44,8 +44,8 @@ PROVIDES = "virtual/perf"
 inherit linux-kernel-base kernel-arch manpages
 
 # needed for building the tools/perf Python bindings
-inherit ${@bb.utils.contains('PACKAGECONFIG', 'scripting', 'pythonnative', '', d)}
-inherit python-dir
+inherit ${@bb.utils.contains('PACKAGECONFIG', 'scripting', 'python3native', '', d)}
+inherit python3-dir
 export PYTHON_SITEPACKAGES_DIR
 
 #kernel 3.1+ supports WERROR to disable warnings as errors
@@ -94,6 +94,7 @@ EXTRA_OEMAKE += "\
     'sharedir=${@os.path.relpath(datadir, prefix)}' \
     'mandir=${@os.path.relpath(mandir, prefix)}' \
     'infodir=${@os.path.relpath(infodir, prefix)}' \
+    ${@bb.utils.contains('PACKAGECONFIG', 'scripting', 'PYTHON=python3 PYTHON_CONFIG=python3-config', '', d)} \
 "
 
 # During do_configure, we might run a 'make clean'. That often breaks
@@ -132,7 +133,7 @@ do_install() {
        oe_runmake install
        # we are checking for this make target to be compatible with older perf versions
        if ${@bb.utils.contains('PACKAGECONFIG', 'scripting', 'true', 'false', d)} && grep -q install-python_ext ${S}/tools/perf/Makefile*; then
-               oe_runmake DESTDIR=${D} install-python_ext
+           oe_runmake DESTDIR=${D} install-python_ext
        fi
 }
 
@@ -232,8 +233,10 @@ do_configure_prepend () {
     fi
 
     # use /usr/bin/env instead of version specific python
-    for s in `find ${S}/tools/perf/scripts/python/ -name '*.py'`; do
-        sed -i 's,/usr/bin/python2,/usr/bin/env python,' "${s}"
+    for s in `find ${S}/tools/perf/ -name '*.py'`; do
+        sed -i 's,/usr/bin/python,/usr/bin/env python3,' "${s}"
+        sed -i 's,/usr/bin/python2,/usr/bin/env python3,' "${s}"
+        sed -i 's,/usr/bin/env python2,/usr/bin/env python3,' "${s}"
     done
 
     # unistd.h can be out of sync between libc-headers and the captured version in the perf source
@@ -252,9 +255,9 @@ PACKAGES =+ "${PN}-archive ${PN}-tests ${PN}-perl ${PN}-python"
 
 RDEPENDS_${PN} += "elfutils bash"
 RDEPENDS_${PN}-archive =+ "bash"
-RDEPENDS_${PN}-python =+ "bash python python-modules ${@bb.utils.contains('PACKAGECONFIG', 'audit', 'audit-python', '', d)}"
+RDEPENDS_${PN}-python =+ "bash python3 python3-modules ${@bb.utils.contains('PACKAGECONFIG', 'audit', 'audit-python3', '', d)}"
 RDEPENDS_${PN}-perl =+ "bash perl perl-modules"
-RDEPENDS_${PN}-tests =+ "python"
+RDEPENDS_${PN}-tests =+ "python3"
 
 RSUGGESTS_SCRIPTING = "${@bb.utils.contains('PACKAGECONFIG', 'scripting', '${PN}-perl ${PN}-python', '',d)}"
 RSUGGESTS_${PN} += "${PN}-archive ${PN}-tests ${RSUGGESTS_SCRIPTING}"