{eloquent} fmilibrary: lower the error from ninja about duplicated ru…

…les to just an warning

* we should eventually find from where the other rules are being generated
  but to unblock warrior quickly lets just lower it back to warning.

* I've checked fmilibrary build with thud and these messages are already there,
  but as warnings, because thud uses ninja-1.8.2

* ninja-1.9.0 changed the default to error in:
  ninja-build/ninja@42eefc8
  resulting in:
  ninja: error: build.ninja:1652: multiple rules generate ExpatEx/libexpat.a [-w dupbuild=err]

  changing it to warning produces:
  ninja: warning: multiple rules generate ExpatEx/libexpat.a. builds involving this target will not be correct; continuing anyway [-w dupbuild=warn]

Signed-off-by: Martin Jansa <[email protected]>

meta-ros2-eloquent/recipes-devtools/fmilibrary/fmilibrary_2.0.3.bb

@@ -1,4 +1,4 @@
-# Copyright (c) 2019 LG Electronics, Inc.
+# Copyright (c) 2019-2020 LG Electronics, Inc.
 
 DESCRIPTION = "Extensible Modelica-based platform for optimization, simulation and analysis of complex dynamic systems."
 HOMEPAGE = "https://jmodelica.org/"
@@ -34,3 +34,9 @@ FILES_SOLIBSDEV = ""
 FILES_${PN} += " \
     ${libdir}/lib*${SOLIBSDEV} \
 "
+
+# it generates duplicate rules for ExpatEx/libexpat.a and newer ninja-1.9.0 fails because of that
+# NOTE: VERBOSE=1 cmake --build fmilibrary/2.0.3-r0/build --target all -- -j 20
+# ninja: error: build.ninja:1652: multiple rules generate ExpatEx/libexpat.a [-w dupbuild=err]
+EXTRA_OECMAKE_BUILD_append_task-compile = "-w dupbuild=warn"
+EXTRA_OECMAKE_BUILD_append_task-install = "-w dupbuild=warn"