perl/tcl: fix /usr/share/man/man3/Thread.3 conflicts

While installing perl-doc and tcl-doc to image, there is a file conflicts
at do_rootfs
...
|file /usr/share/man/man3/Thread.3 conflicts between attempted installs of
perl-doc-5.30.1-r0.core2_64 and tcl-doc-8.6.10-r0.core2_64
...

Use update-alternatives to fix

(From OE-Core rev: 47df8c0dd8ff86af97e6c6d217fb8d69ebec24e5)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/meta/recipes-devtools/tcltk/tcl_8.6.10.bb b/meta/recipes-devtools/tcltk/tcl_8.6.10.bb
index 284f20e27a..aedd96b021 100644
--- a/meta/recipes-devtools/tcltk/tcl_8.6.10.bb
+++ b/meta/recipes-devtools/tcltk/tcl_8.6.10.bb
@@ -34,7 +34,7 @@ S = "${WORKDIR}/${BPN}${PV}/unix"
 
 VER = "${PV}"
 
-inherit autotools ptest binconfig
+inherit autotools ptest binconfig update-alternatives
 
 EXTRA_OECONF = "--enable-threads --disable-rpath --libdir=${libdir}"
 
@@ -65,6 +65,9 @@ FILES_tcl-lib = "${libdir}/libtcl8.6.so.*"
 FILES_${PN} += "${libdir}/tcl${VER} ${libdir}/tcl8.6 ${libdir}/tcl8"
 FILES_${PN}-dev += "${libdir}/tclConfig.sh ${libdir}/tclooConfig.sh"
 
+ALTERNATIVE_${PN}-doc = "Thread.3"
+ALTERNATIVE_LINK_NAME[Thread.3] = "${mandir}/man3/Thread.3"
+
 # isn't getting picked up by shlibs code
 RDEPENDS_${PN} += "tcl-lib"
 RDEPENDS_${PN}_class-native = ""