RFR: JDK-8042208: Build fails on Solaris using devkit when X isn't installed

[Tim Bell]

Hi Erik:

> Please review this small fix to the build when linking 
> libfontmanager.so on Solaris. Further explanation in the bug.
>
> Bug:  https://bugs.openjdk.java.net/browse/JDK-8042208
> Patch inline:

Looks good to me.

Tim

> diff -r 830cc367f41b make/lib/Awt2dLibraries.gmk
> --- a/make/lib/Awt2dLibraries.gmk
> +++ b/make/lib/Awt2dLibraries.gmk
> @@ -798,6 +798,10 @@
>    BUILD_LIBFONTMANAGER_ExtensionSubtables.cpp_CXXFLAGS := 
> -fno-strict-aliasing
>  endif
>
> +# Libfontmanager doesn't actually need X_LIBS to link, but if building
> +# on a Solaris machine without X installed, using a devkit, linking
> +# to libawt_xawt will fail without the -L parameters from X_LIBS. Filter
> +# out the -R parameters since they aren't needed.
>  $(eval $(call SetupNativeCompilation,BUILD_LIBFONTMANAGER, \
>      LIBRARY := fontmanager, \
>      OUTPUT_DIR := $(INSTALL_LIBRARIES_HERE), \
> @@ -816,7 +820,8 @@
>          $(call SET_SHARED_LIBRARY_ORIGIN), \
>      LDFLAGS_SUFFIX := $(BUILD_LIBFONTMANAGER_FONTLIB), \
>      LDFLAGS_SUFFIX_linux := -lawt $(LIBM) $(LIBCXX) -ljava -ljvm -lc, \
> -    LDFLAGS_SUFFIX_solaris := -lawt -lawt_xawt -lc $(LIBM) $(LIBCXX) 
> -ljava -ljvm, \
> +    LDFLAGS_SUFFIX_solaris := $(filter-out -R%, $(X_LIBS)) \
> +        -lawt -lawt_xawt -lc $(LIBM) $(LIBCXX) -ljava -ljvm, \
>      LDFLAGS_SUFFIX_aix := -lawt -lawt_xawt $(LIBM) $(LIBCXX) -ljava 
> -ljvm,\
>      LDFLAGS_SUFFIX_macosx := -lawt $(LIBM) $(LIBCXX) -undefined 
> dynamic_lookup \
>          -ljava -ljvm, \
>
> /Erik