libpng: Add ptest

Install libpng test-suite to run it as a ptest.
As the test-suite takes more than 30 seconds to run,
add libpng-ptest to PTESTS_SLOW in ptest-packagelists.inc

(From OE-Core rev: 8dca5305c950e6a06b3f344ffdbbb7386d802095)

Signed-off-by: Poonam Jadhav <poonam.jadhav@kpit.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/conf/distro/include/ptest-packagelists.inc

@@ -108,6 +108,7 @@ PTESTS_SLOW = "\
     libevent \
     libgcrypt \
     libmodule-build-perl \
+    libpng \
     libseccomp \
     lttng-tools \
     lz4 \

meta/recipes-multimedia/libpng/files/run-ptest

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+set -eux
+
+cd src
+
+make check-TESTS

meta/recipes-multimedia/libpng/libpng_1.6.48.bb

@@ -10,7 +10,10 @@ DEPENDS = "zlib"
 
 LIBV = "16"
 
-SRC_URI = "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}${LIBV}/${BP}.tar.xz"
+SRC_URI = "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}${LIBV}/${BP}.tar.xz \
+           file://run-ptest \
+"
+
 SRC_URI[sha256sum] = "46fd06ff37db1db64c0dc288d78a3f5efd23ad9ac41561193f983e20937ece03"
 
 MIRRORS += "${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/ ${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/older-releases/"
@@ -19,7 +22,7 @@ UPSTREAM_CHECK_URI = "http://libpng.org/pub/png/libpng.html"
 
 BINCONFIG = "${bindir}/libpng-config ${bindir}/libpng16-config"
 
-inherit autotools binconfig-disabled pkgconfig
+inherit autotools binconfig-disabled pkgconfig ptest
 
 # Work around missing symbols
 ARMNEON = "${@bb.utils.contains("TUNE_FEATURES", "neon", "--enable-arm-neon=on", "--enable-arm-neon=off", d)}"
@@ -30,4 +33,39 @@ PACKAGES =+ "${PN}-tools"
 
 FILES:${PN}-tools = "${bindir}/png-fix-itxt ${bindir}/pngfix ${bindir}/pngcp"
 
+RDEPENDS:${PN}-ptest += "make bash gawk"
+
+do_install_ptest() {
+    # Install test scripts to ptest path
+    install -d ${D}${PTEST_PATH}/src/tests
+    install -m 755 ${S}/tests/* ${D}${PTEST_PATH}/src/tests
+    install -m 755 ${S}/test-driver ${D}${PTEST_PATH}
+    install -d ${D}${PTEST_PATH}/src/tests/scripts
+    install -m 755 ${S}/scripts/*.awk ${D}${PTEST_PATH}/src/tests/scripts
+    install -m 644 ${S}/scripts/pnglib* ${S}/scripts/*.c ${S}/scripts/*.def ${S}/scripts/macro.lst ${D}${PTEST_PATH}/src/tests/scripts
+    install -m 644 ${S}/scripts/pnglibconf.h.prebuilt ${D}${PTEST_PATH}/src/tests/scripts/pnglibconf.h
+    install -d ${D}${PTEST_PATH}/src/contrib/tools
+    install -m 755 ${S}/contrib/tools/*.sh ${D}${PTEST_PATH}/src/contrib/tools
+    install -m 644 ${S}/contrib/tools/*.c ${S}/contrib/tools/*.h ${D}${PTEST_PATH}/src/contrib/tools
+
+    # Install .libs directory binaries to ptest path
+    install -m 755 ${B}/.libs/pngtest ${B}/.libs/pngstest ${B}/.libs/pngimage ${B}/.libs/pngunknown ${B}/.libs/pngvalid ${D}${PTEST_PATH}/src
+
+    # Copy png files to ptest path
+    cd ${S} && find contrib -name '*.png' | cpio -pd ${D}${PTEST_PATH}/src
+
+    # Install Makefile and png files
+    install -m 644 ${S}/pngtest.png ${D}${PTEST_PATH}/src
+    install -m 644 ${S}/*.png ${S}/*.h ${S}/*.c ${S}/*.dfa ${B}/pnglibconf.out ${S}/Makefile.am ${S}/Makefile.in ${D}${PTEST_PATH}/src/tests
+
+    sed -e 's/^abs_srcdir = ..*/abs_srcdir = \.\./'          \
+        -e 's/^top_srcdir = ..*/top_srcdir = \.\./'          \
+        -e 's/^srcdir = ..*/srcdir = \./'                    \
+        -e 's/^Makefile: ..*/Makefile: /'                    \
+        -e 's/check-TESTS: $(check_PROGRAMS)/check-TESTS:/g' \
+        ${B}/Makefile > ${D}${PTEST_PATH}/src/Makefile
+
+    sed -e 's|#!/bin/awk|#!/usr/bin/awk|g' -i ${D}${PTEST_PATH}/src/tests/scripts/*.awk
+}
+
 BBCLASSEXTEND = "native nativesdk"