net-snmp: supported cross compile for the perl embedded and perl modules

The patch solves two issues:
1. Supported cross compile for the perl embedded and perl modules.
2. Solved runtime depend issue.

Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>

5 files changed, 327 insertions, 5 deletions

diff --git a/meta-networking/recipes-protocols/net-snmp/net-snmp/0001-configure-fix-check-for-enable-perl-cc-checks.patch b/meta-networking/recipes-protocols/net-snmp/net-snmp/0001-configure-fix-check-for-enable-perl-cc-checks.patch
new file mode 100644
index 0000000000..b87e9eec26
--- /dev/null
+++ b/meta-networking/recipes-protocols/net-snmp/net-snmp/0001-configure-fix-check-for-enable-perl-cc-checks.patch
@@ -0,0 +1,31 @@
+From c6304a3e4b8441ff0a6464c0f1f6c5229092fa32 Mon Sep 17 00:00:00 2001
+From: Niels Baggesen <nba@users.sourceforge.net>
+Date: Wed, 24 May 2017 16:40:03 +0800
+Subject: [PATCH 1/4] configure: fix check for --enable-perl-cc-checks
+
+This patch comes from git://git.code.sf.net/p/net-snmp/code,
+the commit is 8f431d410b803603dc809d82e0893509615d9a11.
+
+Upstream-Status: Backport
+
+Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
+---
+ configure.d/config_project_perl_python | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure.d/config_project_perl_python b/configure.d/config_project_perl_python
+index 23f8c7e..475c843 100644
+--- a/configure.d/config_project_perl_python
++++ b/configure.d/config_project_perl_python
+@@ -84,7 +84,7 @@ if test "x$install_perl" != "xno" ; then
+ 
+     #       What compiler was used to build the perl binary?
+     #
+-    if test "xenable_perl_cc_checks" != "xno" ; then
++    if test "x$enable_perl_cc_checks" != "xno" ; then
+         AC_MSG_CHECKING([for Perl cc])
+         changequote(, )
+         PERLCC=`$myperl -V:cc | $myperl -n -e 'print if (s/^\s*cc=.([-=\w\s\/]+).;\s*/$1/);'`
+-- 
+1.9.1
+
diff --git a/meta-networking/recipes-protocols/net-snmp/net-snmp/0002-configure-fix-a-cc-check-issue.patch b/meta-networking/recipes-protocols/net-snmp/net-snmp/0002-configure-fix-a-cc-check-issue.patch
new file mode 100644
index 0000000000..999976d279
--- /dev/null
+++ b/meta-networking/recipes-protocols/net-snmp/net-snmp/0002-configure-fix-a-cc-check-issue.patch
@@ -0,0 +1,30 @@
+From 94e7e4969bc84c945dfea12d67a1e10f61973948 Mon Sep 17 00:00:00 2001
+From: Wenlin Kang <wenlin.kang@windriver.com>
+Date: Wed, 24 May 2017 16:45:34 +0800
+Subject: [PATCH 2/4] configure: fix a cc check issue.
+
+When has "." in cc value, the expression
+$myperl -V:cc | $myperl -n -e 'print if (s/^\s*cc=.([-=\w\s\/]+).;\s*/$1/);'
+can't get corretly the cc's value.
+
+Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
+---
+ configure.d/config_project_perl_python | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure.d/config_project_perl_python b/configure.d/config_project_perl_python
+index 475c843..22d2ad3 100644
+--- a/configure.d/config_project_perl_python
++++ b/configure.d/config_project_perl_python
+@@ -87,7 +87,7 @@ if test "x$install_perl" != "xno" ; then
+     if test "x$enable_perl_cc_checks" != "xno" ; then
+         AC_MSG_CHECKING([for Perl cc])
+         changequote(, )
+-        PERLCC=`$myperl -V:cc | $myperl -n -e 'print if (s/^\s*cc=.([-=\w\s\/]+).;\s*/$1/);'`
++        PERLCC=`$myperl -V:cc | $myperl -n -e 'print if (s/^\s*cc=.([-=\.\w\s\/]+).;\s*/$1/);'`
+         changequote([, ])
+         if test "x$PERLCC" != "x" ; then
+             AC_MSG_RESULT([$PERLCC])
+-- 
+1.9.1
+
diff --git a/meta-networking/recipes-protocols/net-snmp/net-snmp/0003-CHANGES-BUG-2712-Fix-Perl-module-compilation.patch b/meta-networking/recipes-protocols/net-snmp/net-snmp/0003-CHANGES-BUG-2712-Fix-Perl-module-compilation.patch
new file mode 100644
index 0000000000..7951234a4e
--- /dev/null
+++ b/meta-networking/recipes-protocols/net-snmp/net-snmp/0003-CHANGES-BUG-2712-Fix-Perl-module-compilation.patch
@@ -0,0 +1,186 @@
+From e57fc809ad6ae522670f3dc157aadde20d968ca7 Mon Sep 17 00:00:00 2001
+From: Bart Van Assche <bvanassche@acm.org>
+Date: Wed, 24 May 2017 17:05:03 +0800
+Subject: [PATCH 3/4] CHANGES: BUG: 2712: Fix Perl module compilation
+
+Avoid that building the Net-SNMP Perl modules fails as follows:
+
+ERROR from evaluation of /sources/net-snmp-5.7.3/perl/ASN/Makefile.PL: Bizarre \ copy of HASH in list assignment at /usr/lib/perl5/site_perl/5.24.0/Carp.pm line\ 229.
+
+See also https://sourceforge.net/p/net-snmp/bugs/2712/.
+
+This patch comes from git://git.code.sf.net/p/net-snmp/code,
+the commit is 4e793461e96a2b4fd81142ab312d074d5c8841fa.
+
+Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
+---
+ perl/ASN/Makefile.PL                 | 4 +---
+ perl/Makefile.PL                     | 4 +---
+ perl/OID/Makefile.PL                 | 5 +----
+ perl/SNMP/Makefile.PL                | 5 +----
+ perl/TrapReceiver/Makefile.PL        | 5 +----
+ perl/agent/Makefile.PL               | 5 +----
+ perl/agent/Support/Makefile.PL       | 5 +----
+ perl/agent/default_store/Makefile.PL | 5 +----
+ perl/default_store/Makefile.PL       | 5 +----
+ 9 files changed, 9 insertions(+), 34 deletions(-)
+
+diff --git a/perl/ASN/Makefile.PL b/perl/ASN/Makefile.PL
+index 4576781..c33d8ba 100644
+--- a/perl/ASN/Makefile.PL
++++ b/perl/ASN/Makefile.PL
+@@ -7,9 +7,7 @@ my $lib_version;
+ # See lib/ExtUtils/MakeMaker.pm for details of how to influence
+ # the contents of the Makefile that is written.
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ Check_Version();
+ 
+diff --git a/perl/Makefile.PL b/perl/Makefile.PL
+index 31fdc40..48aba2a 100644
+--- a/perl/Makefile.PL
++++ b/perl/Makefile.PL
+@@ -3,9 +3,7 @@ use Config;
+ use Getopt::Long;
+ require 5;
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ sub InitMakeParams {
+     $nsconfig="net-snmp-config"; # in path by default
+diff --git a/perl/OID/Makefile.PL b/perl/OID/Makefile.PL
+index 6bb1616..2589985 100644
+--- a/perl/OID/Makefile.PL
++++ b/perl/OID/Makefile.PL
+@@ -6,11 +6,8 @@ require 5;
+ use Config;
+ use Getopt::Long;
+ my $lib_version;
+-my %MakeParams = ();
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ Check_Version();
+ 
+diff --git a/perl/SNMP/Makefile.PL b/perl/SNMP/Makefile.PL
+index e617cb7..8aab9a9 100644
+--- a/perl/SNMP/Makefile.PL
++++ b/perl/SNMP/Makefile.PL
+@@ -3,15 +3,12 @@ require 5;
+ use Config;
+ use Getopt::Long;
+ my $lib_version;
+-my %MakeParams = ();
+ my $opts;
+ 
+ # See lib/ExtUtils/MakeMaker.pm for details of how to influence
+ # the contents of the Makefile that is written.
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ Check_Version();
+ 
+diff --git a/perl/TrapReceiver/Makefile.PL b/perl/TrapReceiver/Makefile.PL
+index 874ee21..7e9e58e 100644
+--- a/perl/TrapReceiver/Makefile.PL
++++ b/perl/TrapReceiver/Makefile.PL
+@@ -3,11 +3,8 @@ require 5;
+ use Config;
+ use Getopt::Long;
+ my $lib_version;
+-my %MakeParams = ();
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ Check_Version();
+ 
+diff --git a/perl/agent/Makefile.PL b/perl/agent/Makefile.PL
+index 4f7bee3..003c0d1 100644
+--- a/perl/agent/Makefile.PL
++++ b/perl/agent/Makefile.PL
+@@ -3,11 +3,8 @@ require 5;
+ use Config;
+ use Getopt::Long;
+ my $lib_version;
+-my %MakeParams = ();
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ Check_Version();
+ 
+diff --git a/perl/agent/Support/Makefile.PL b/perl/agent/Support/Makefile.PL
+index 48815b6..2325e10 100644
+--- a/perl/agent/Support/Makefile.PL
++++ b/perl/agent/Support/Makefile.PL
+@@ -3,14 +3,11 @@ require 5;
+ use Config;
+ use Getopt::Long;
+ my $lib_version;
+-my %MakeParams = ();
+ 
+ # See lib/ExtUtils/MakeMaker.pm for details of how to influence
+ # the contents of the Makefile that is written.
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ Check_Version();
+ 
+diff --git a/perl/agent/default_store/Makefile.PL b/perl/agent/default_store/Makefile.PL
+index ed6483a..31cfbee 100644
+--- a/perl/agent/default_store/Makefile.PL
++++ b/perl/agent/default_store/Makefile.PL
+@@ -3,11 +3,8 @@ require 5;
+ use Config;
+ use Getopt::Long;
+ my $lib_version;
+-my %MakeParams = ();
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ Check_Version();
+ 
+diff --git a/perl/default_store/Makefile.PL b/perl/default_store/Makefile.PL
+index 7c671b8..01c8dd0 100644
+--- a/perl/default_store/Makefile.PL
++++ b/perl/default_store/Makefile.PL
+@@ -3,11 +3,8 @@ require 5;
+ use Config;
+ use Getopt::Long;
+ my $lib_version;
+-my %MakeParams = ();
+ 
+-%MakeParams = InitMakeParams();
+-
+-WriteMakefile(%MakeParams);
++WriteMakefile(InitMakeParams());
+ 
+ 
+ sub InitMakeParams {
+-- 
+1.9.1
+
diff --git a/meta-networking/recipes-protocols/net-snmp/net-snmp/0004-configure-fix-incorrect-variable.patch b/meta-networking/recipes-protocols/net-snmp/net-snmp/0004-configure-fix-incorrect-variable.patch
new file mode 100644
index 0000000000..2b03f9e9a2
--- /dev/null
+++ b/meta-networking/recipes-protocols/net-snmp/net-snmp/0004-configure-fix-incorrect-variable.patch
@@ -0,0 +1,30 @@
+From 4ad98ef125eb4e7d7a1a93146042002f78254d36 Mon Sep 17 00:00:00 2001
+From: Wenlin Kang <wenlin.kang@windriver.com>
+Date: Wed, 24 May 2017 17:10:20 +0800
+Subject: [PATCH 4/4] configure: fix incorrect variable
+
+For cross compile platform, this variable will not be correct, so fix it.
+
+Upstream-Status: Inappropriate [cross compile specific]
+
+Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
+---
+ Makefile.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile.in b/Makefile.in
+index cfcdf73..164df05 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -171,7 +171,7 @@ OTHERCLEANTODOS=perlclean @PYTHONCLEANTARGS@ cleanfeatures perlcleanfeatures pyt
+ #
+ # override LD_RUN_PATH to avoid dependencies on the build directory
+ perlmodules: perlmakefiles subdirs
+-	@(cd perl ; $(MAKE) LD_RUN_PATH="$(libdir):`$(PERL) -e 'use Config; print qq($$Config{archlibexp}/CORE);'`") ; \
++	@(cd perl ; $(MAKE) LD_RUN_PATH="$(libdir):`$(PERL) -e 'use Config; print qq($$Config{installprivlib}/CORE);'`") ; \
+         if test $$? != 0 ; then \
+            exit 1 ; \
+         fi
+-- 
+1.9.1
+
diff --git a/meta-networking/recipes-protocols/net-snmp/net-snmp_5.7.3.bb b/meta-networking/recipes-protocols/net-snmp/net-snmp_5.7.3.bb
index b60a246a57..2d6887e377 100644
--- a/meta-networking/recipes-protocols/net-snmp/net-snmp_5.7.3.bb
+++ b/meta-networking/recipes-protocols/net-snmp/net-snmp_5.7.3.bb
@@ -26,11 +26,15 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/net-snmp/net-snmp-${PV}.zip \
            file://0001-get_pid_from_inode-Include-limit.h.patch \
            file://0001-BUG-a2584-Fix-snmptrap-to-use-clientaddr-from-snmp.c.patch \
            file://0001-snmplib-UDPIPv6-transport-Add-a-missing-return-state.patch \
+           file://0001-configure-fix-check-for-enable-perl-cc-checks.patch \
+           file://0002-configure-fix-a-cc-check-issue.patch \
+           file://0003-CHANGES-BUG-2712-Fix-Perl-module-compilation.patch \
+           file://0004-configure-fix-incorrect-variable.patch \
            "
 SRC_URI[md5sum] = "9f682bd70c717efdd9f15b686d07baee"
 SRC_URI[sha256sum] = "e8dfc79b6539b71a6ff335746ce63d2da2239062ad41872fff4354cafed07a3e"
 
-inherit autotools update-rc.d siteinfo systemd pkgconfig
+inherit autotools-brokensep update-rc.d siteinfo systemd pkgconfig perlnative
 
 EXTRA_OEMAKE = "INSTALL_PREFIX=${D} OTHERLDFLAGS='${LDFLAGS}' HOST_CPPFLAGS='${BUILD_CPPFLAGS}'"
 
@@ -46,8 +50,10 @@ PACKAGECONFIG[libnl] = "--with-nl, --without-nl, libnl"
 PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'ipv6', d)}"
 PACKAGECONFIG[ipv6] = "--enable-ipv6,--disable-ipv6,,"
 
-EXTRA_OECONF = "--disable-embedded-perl \
-                --with-perl-modules=no \
+PACKAGECONFIG[perl] = "--enable-embedded-perl --with-perl-modules=yes, --disable-embedded-perl --with-perl-modules=no,\
+                       perl, perl perl-lib"
+
+EXTRA_OECONF = "--enable-shared \
                 --disable-manuals \
                 --with-defaults \
                 --with-install-prefix=${D} \
@@ -63,12 +69,38 @@ CACHED_CONFIGUREVARS = " \
     ac_cv_ETC_MNTTAB=/etc/mtab \
     lt_cv_shlibpath_overrides_runpath=yes \
 "
+export PERLPROG="${bindir}/env perl"
+PERLPROG_append = "${@bb.utils.contains('PACKAGECONFIG', 'perl', ' -I${WORKDIR}', '', d)}"
+
+HAS_PERL = "${@bb.utils.contains('PACKAGECONFIG', 'perl', '1', '0', d)}"
 
 do_configure_prepend() {
-    export PERLPROG="${bindir}/env perl"
     sed -i -e "s|I/usr/include|I${STAGING_INCDIR}|g" \
         "${S}"/configure \
         "${S}"/configure.d/config_os_libs2
+
+    if [ "${HAS_PERL}" = "1" ]; then
+        # this may need to be changed when package perl has any change.
+        cp -f ${STAGING_DIR_TARGET}/usr/lib*/perl/*/Config.pm ${WORKDIR}/
+        cp -f ${STAGING_DIR_TARGET}/usr/lib*/perl/*/Config_heavy.pl ${WORKDIR}/
+        sed -e "s@libpth => '/usr/lib.*@libpth => '${STAGING_DIR_TARGET}/${libdir} ${STAGING_DIR_TARGET}/${base_libdir}',@g" \
+            -e "s@privlibexp => '/usr@privlibexp => '${STAGING_DIR_TARGET}/usr@g" \
+            -e "s@scriptdir => '/usr@scriptdir => '${STAGING_DIR_TARGET}/usr@g" \
+            -e "s@sitearchexp => '/usr@sitearchexp => '${STAGING_DIR_TARGET}/usr@g" \
+            -e "s@sitelibexp => '/usr@sitearchexp => '${STAGING_DIR_TARGET}/usr@g" \
+            -e "s@vendorarchexp => '/usr@vendorarchexp => '${STAGING_DIR_TARGET}/usr@g" \
+            -e "s@vendorlibexp => '/usr@vendorlibexp => '${STAGING_DIR_TARGET}/usr@g" \
+            -i ${WORKDIR}/Config.pm
+    fi
+
+}
+
+do_configure_append() {
+    if [ "${HAS_PERL}" = "1" ]; then
+        sed -e "s@^NSC_INCLUDEDIR=.*@NSC_INCLUDEDIR=${STAGING_DIR_TARGET}\$\{includedir\}@g" \
+            -e "s@^NSC_LIBDIR=-L.*@NSC_LIBDIR=-L${STAGING_DIR_TARGET}\$\{libdir\}@g" \
+            -i ${B}/net-snmp-config
+    fi
 }
 
 do_install_append() {
@@ -84,6 +116,12 @@ do_install_append() {
         -i ${D}${bindir}/net-snmp-create-v3-user
     sed    -e "s@^NSC_SRCDIR=.*@NSC_SRCDIR=.@g" \
         -i ${D}${bindir}/net-snmp-config
+
+    if [ "${HAS_PERL}" = "1" ]; then
+        sed -e "s@^NSC_INCLUDEDIR=.*@NSC_INCLUDEDIR=\$\{includedir\}@g" \
+            -e "s@^NSC_LIBDIR=-L.*@NSC_LIBDIR=-L\$\{libdir\}@g" \
+            -i ${D}${bindir}/net-snmp-config
+    fi
 }
 
 do_install_ptest() {
@@ -122,9 +160,14 @@ net_snmp_sysroot_preprocess () {
 
 PACKAGES += "${PN}-libs ${PN}-mibs ${PN}-server ${PN}-client ${PN}-server-snmpd ${PN}-server-snmptrapd"
 
+# perl module
+PACKAGES += "${@bb.utils.contains('PACKAGECONFIG', 'perl', '${PN}-perl-modules', '', d)}"
+
 ALLOW_EMPTY_${PN} = "1"
 ALLOW_EMPTY_${PN}-server = "1"
 
+FILES_${PN}-perl-modules = "${libdir}/perl/*"
+
 FILES_${PN}-libs = "${libdir}/lib*${SOLIBS}"
 FILES_${PN}-mibs = "${datadir}/snmp/mibs"
 FILES_${PN}-server-snmpd = "${sbindir}/snmpd \
@@ -158,11 +201,13 @@ SYSTEMD_PACKAGES = "${PN}-server-snmpd \
 SYSTEMD_SERVICE_${PN}-server-snmpd = "snmpd.service"
 SYSTEMD_SERVICE_${PN}-server-snmptrapd =  "snmptrapd.service"
 
+RDEPENDS_${PN} += "${@bb.utils.contains('PACKAGECONFIG', 'perl', 'net-snmp-perl-modules', '', d)}"
 RDEPENDS_${PN} += "net-snmp-client"
 RDEPENDS_${PN}-server-snmpd += "net-snmp-mibs"
 RDEPENDS_${PN}-server-snmptrapd += "net-snmp-server-snmpd"
 RDEPENDS_${PN}-server += "net-snmp-server-snmpd net-snmp-server-snmptrapd"
-RDEPENDS_${PN}-client += "net-snmp-mibs"
+RDEPENDS_${PN}-client += "net-snmp-mibs net-snmp-libs"
+RDEPENDS_${PN}-libs += "libpci"
 RDEPENDS_${PN}-ptest += "perl \
                          perl-module-test \
                          perl-module-file-basename \