[OE-core] [PATCH] cpan.bbclass: allow running module tests in qemu

[Jens Rehsack]

For quick module tests in 99% a qemu environment is enough. Before
developing ptest deployment, give qemu-test-wrapper a chance.

This is far away from being mergable!

Signed-off-by: Jens Rehsack <sno at netbsd.org>
---
 meta/classes/cpan.bbclass | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/meta/classes/cpan.bbclass b/meta/classes/cpan.bbclass
index 121643eecb..1b6f2fc47f 100644
--- a/meta/classes/cpan.bbclass
+++ b/meta/classes/cpan.bbclass
@@ -1,7 +1,9 @@
 #
 # This is for perl modules that use the old Makefile.PL build system
 #
-inherit cpan-base perlnative
+inherit cpan-base perlnative qemu
+
+DEPENDS += "qemu-native qemu-helper-native perl"
 
 EXTRA_CPANFLAGS ?= ""
 EXTRA_PERLFLAGS ?= ""
@@ -28,6 +30,21 @@ cpan_do_configure () {
 	[ -e Makefile ] || bbfatal "No Makefile was generated by Makefile.PL"
 
 	if [ "${BUILD_SYS}" != "${HOST_SYS}" ]; then
+		qemu_binary="${@qemu_wrapper_cmdline(d, '${STAGING_DIR_TARGET}', ['${S}', '${STAGING_DIR_TARGET}/${base_libdir}'])}"
+		cat > ${WORKDIR}/qemu-perl-wrapper << EOF
+#!/bin/sh
+set -x
+unset PERLHOSTLIB
+unset PERLHOSTARCHLIB
+for test in "\$@"
+do
+    test -f \$test || continue
+    $qemu_binary -E PERL5LIB="${PERL_ARCHLIB}:${PERL_LIB}" ${STAGING_DIR_TARGET}/usr/bin/perl -Mblib "\$test"
+done
+EOF
+
+		chmod +x ${WORKDIR}/qemu-perl-wrapper
+
 		. ${STAGING_LIBDIR}${PERL_OWN_DIR}/perl/config.sh
 		# Use find since there can be a Makefile generated for each Makefile.PL
 		for f in `find -name Makefile.PL`; do
@@ -36,6 +53,7 @@ cpan_do_configure () {
 			sed -i -e "s:\(PERL_ARCHLIB = \).*:\1${PERL_ARCHLIB}:" \
 				-e 's/perl.real/perl/' \
 				-e "s|^\(CCFLAGS =.*\)|\1 ${CFLAGS}|" \
+				-e 's,$(FULLPERLRUN) "-MExtUtils::Command::MM".* $(TEST_FILES),$(FULLPERLRUN) $(TEST_FILES),' \
 				$f2
 		done
 	fi
@@ -62,4 +80,13 @@ cpan_do_install () {
 	done
 }
 
-EXPORT_FUNCTIONS do_configure do_compile do_install
+cpan_do_run_module_tests () {
+	cd ${S}
+	oe_runmake test FULLPERLRUN=${WORKDIR}/qemu-perl-wrapper
+}
+
+addtask do_run_module_tests
+
+do_run_module_tests[depends] += "${PN}:do_compile"
+
+EXPORT_FUNCTIONS do_configure do_compile do_run_module_tests do_install
-- 
2.17.1