[PATCH] libxcrypt.inc: use alternatives to resolve crypt.3 conflict

[<changqing.li@windriver.com>]

From: Changqing Li <changqing.li@windriver.com>

To fix:

Error: Transaction test error:
  file /usr/share/man/man3/crypt.3 from install of
  libcrypt-doc-4.4.33-r0.x86_64 conflicts with file from package
  man-pages-6.04-r0.x86_64

Signed-off-by: Changqing Li <changqing.li@windriver.com>
---
 meta/recipes-core/libxcrypt/libxcrypt.inc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/meta/recipes-core/libxcrypt/libxcrypt.inc b/meta/recipes-core/libxcrypt/libxcrypt.inc
index ba93d91aef..fe90ef4762 100644
--- a/meta/recipes-core/libxcrypt/libxcrypt.inc
+++ b/meta/recipes-core/libxcrypt/libxcrypt.inc
@@ -7,7 +7,7 @@ LIC_FILES_CHKSUM = "file://LICENSING;md5=c0a30e2b1502c55a7f37e412cd6c6a4b \
                     file://COPYING.LIB;md5=4fbd65380cdd255951079008b364516c \
                     "
 
-inherit autotools pkgconfig
+inherit autotools pkgconfig update-alternatives
 
 SRC_URI = "git://github.com/besser82/libxcrypt.git;branch=${SRCBRANCH};protocol=https"
 SRCREV = "f531a36aa916a22ef2ce7d270ba381e264250cbf"
@@ -26,4 +26,9 @@ CPPFLAGS:append:class-nativesdk = " -Wno-error"
 API = "--disable-obsolete-api"
 EXTRA_OECONF += "${API}"
 
+ALTERNATIVE_PRIORITY = "90"
+ALTERNATIVE:${PN}-doc = "crypt.3 crypt_r.3"
+ALTERNATIVE_LINK_NAME[crypt.3] = "${mandir}/man3/crypt.3"
+ALTERNATIVE_LINK_NAME[crypt_r.2] = "${mandir}/man3/crypt_r.3"
+
 BBCLASSEXTEND = "native nativesdk"
-- 
2.25.1