Re: [PATCH v7 1/6] Shared library support

From: Emese Revfy
Date: Tue May 03 2016 - 17:22:23 EST


On Tue, 3 May 2016 11:00:56 +0900
Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote:

Hi,

> # Compile .c file, create position independent .o file
> # host-cxxshobjs -> .o
> quiet_cmd_host-cxxshobjs = HOSTCXX -fPIC $@
> cmd_host-cxxshobjs = $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $<
> $(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE
> $(call if_changed_dep,host-cxxshobjs)
>
>
>
>
> We generally use HOSTCC to compile *.c files,
> and HOSTCXX to compile *.cc files.
>
>
> But, here, you mention to use HOSTCXX to compile .c files
> such as cyc_complexity_plugin.c, sancov_plugin.c, etc.
>
> This is not straight-forward. It is worthwhile to comment the reason.

I wrote a comment about it here:
https://github.com/ephox-gcc-plugins/gcc-plugins_linux-next/commit/74f6343a7f13c071e00c417332051e25f15009ea

--
Emese