perl: add patch to solve libcrypt incompatibility

Add Perl's patch submitted to upstream to be compiled along with glibc with libcrypt split.

(From OE-Core rev: 79703d83790a2973fefdb0e12e125b5f17e98cdf)

Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@essensium.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/perl/perl-native_5.24.1.bb

@@ -15,6 +15,7 @@ SRC_URI += "\
            file://dynaloaderhack.patch \
            file://perl-PathTools-don-t-filter-out-blib-from-INC.patch \
            file://0001-Configure-Remove-fstack-protector-strong-for-native-.patch \
+           file://perl-5.26.1-guard_old_libcrypt_fix.patch \
           "
 
 SRC_URI[md5sum] = "af6a84c7c3e2b8b269c105a5db2f6d53"

meta/recipes-devtools/perl/perl/perl-5.26.1-guard_old_libcrypt_fix.patch

@@ -0,0 +1,28 @@
+commit 13e70b397dcb0d1bf4a869b670f041c1d7b730d0
+Author: Bjรถrn Esser <besser82@fedoraproject.org>
+Date:   Sat Jan 20 20:22:53 2018 +0100
+
+    pp: Guard fix for really old bug in glibc libcrypt
+
+Upstream-Status: Pending
+Signed-off-by Richard Purdie <richard.purdie@linuxfoundation.org>
+
+diff --git a/pp.c b/pp.c
+index d50ad7ddbf..6510c7b15c 100644
+--- a/pp.c
++++ b/pp.c
+@@ -3650,8 +3650,12 @@ PP(pp_crypt)
+ #if defined(__GLIBC__) || defined(__EMX__)
+ 	if (PL_reentrant_buffer->_crypt_struct_buffer) {
+ 	    PL_reentrant_buffer->_crypt_struct_buffer->initialized = 0;
+-	    /* work around glibc-2.2.5 bug */
++#if (defined(__GLIBC__) && __GLIBC__ == 2) && \
++    (defined(__GLIBC_MINOR__) && __GLIBC_MINOR__ >= 2 && __GLIBC_MINOR__ < 4)
++	    /* work around glibc-2.2.5 bug, has been fixed at some
++	     * time in glibc-2.3.X */
+ 	    PL_reentrant_buffer->_crypt_struct_buffer->current_saltbits = 0;
++#endif
+ 	}
+ #endif
+     }
+

meta/recipes-devtools/perl/perl_5.24.1.bb

@@ -63,6 +63,7 @@ SRC_URI += " \
         file://perl-errno-generation-gcc5.patch \
         file://perl-fix-conflict-between-skip_all-and-END.patch \
         file://perl-test-customized.patch \
+        file://perl-5.26.1-guard_old_libcrypt_fix.patch \
 "
 
 # Fix test case issues