configure: Account CXXFLAGS in gcc-plugin.m4.
authorIain Sandoe <iain@sandoe.co.uk>
Mon, 7 Aug 2023 11:07:17 +0000 (13:07 +0200)
committerAlan Modra <amodra@gmail.com>
Sat, 12 Aug 2023 00:28:23 +0000 (09:58 +0930)
commitb8326e1c4ad9aa970ae1a0cc36e039cd7485c2b1
treeb93d537a7692faef6fd1f044fd4cb0d13b68d828
parent46335e8e4db3f7186b91292b780686a3c2251218
configure: Account CXXFLAGS in gcc-plugin.m4.

We now use a C++ compiler so that we need to process
CXXFLAGS as well as CFLAGS in the gcc-plugin config
fragment.

Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
config/
* gcc-plugin.m4: Save and process CXXFLAGS.
config/gcc-plugin.m4