fmt: fix ptests

The recipe has inherited the ptest class, however it did not install
not execute any tests.

This change installs the tests and add a script to execute them.

The tests are quick, execution takes single digit seconds.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>

meta-oe/recipes-support/fmt/fmt/run-ptest

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+for t in `ls ./*-test`; do
+	./$t && echo PASS: $t || echo FAIL: $t
+done

meta-oe/recipes-support/fmt/fmt_8.1.1.bb

@@ -4,7 +4,8 @@ HOMEPAGE = "https://fmt.dev"
 LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://LICENSE.rst;md5=af88d758f75f3c5c48a967501f24384b"
 
-SRC_URI = "git://github.com/fmtlib/fmt;branch=master;protocol=https"
+SRC_URI = "git://github.com/fmtlib/fmt;branch=master;protocol=https \
+           file://run-ptest"
 SRCREV = "b6f4ceaed0a0a24ccf575fab6c56dd50ccf6f1a9"
 
 S = "${WORKDIR}/git"
@@ -13,5 +14,12 @@ inherit cmake
 inherit ptest
 
 EXTRA_OECMAKE += "-DBUILD_SHARED_LIBS=ON"
+EXTRA_OECMAKE += "${@bb.utils.contains('PTEST_ENABLED', '1', '-DFMT_TEST=ON', '', d)}"
+
+do_install_ptest(){
+	for t in `ls ${B}/bin/*-test`; do
+		install $t ${D}${PTEST_PATH}/
+	done
+}
 
 BBCLASSEXTEND = "native nativesdk"