[*] cc -std=gnu2x --version
<.> /home/pbulk/build/devel/R-rlang/work/.gcc/bin/gcc -fcommon -m64 -fstack-protector-strong -D_FORTIFY_SOURCE=2 -std=gnu2x --version -specs=/home/pbulk/build/devel/R-rlang/work/.cwrapper/specs.pkgsrc -gdwarf-4 -gstrict-dwarf -I/home/pbulk/build/devel/R-rlang/work/.buildlink/include
[*] cc -std=gnu2x -I/opt/local/lib/R/include -DNDEBUG -I./rlang/ -I/opt/local/include -I/opt/local/include/glib-2.0 -I/opt/local/include/gio-unix-2.0 -I/opt/local/lib/glib-2.0/include -I/usr/include -I/opt/local/include/freetype2 -I/opt/local/include/harfbuzz -I/opt/local/include/ncurses -DLDAP_DEPRECATED -I/opt/local/include/libxml2 -fvisibility=hidden -fPIC -pipe -O2 -msave-args -fno-aggressive-loop-optimizations -pthread -I/opt/local/include -I/opt/local/include/glib-2.0 -I/opt/local/include/gio-unix-2.0 -I/opt/local/lib/glib-2.0/include -I/usr/include -I/opt/local/include/freetype2 -I/opt/local/include/harfbuzz -I/opt/local/include/ncurses -DLDAP_DEPRECATED -I/opt/local/include/libxml2 -c rlang.c -o rlang.o
<.> /home/pbulk/build/devel/R-rlang/work/.gcc/bin/gcc -fcommon -m64 -fstack-protector-strong -D_FORTIFY_SOURCE=2 -std=gnu2x -I/home/pbulk/build/devel/R-rlang/work/.buildlink/lib/R/include -DNDEBUG -I./rlang/ -I/home/pbulk/build/devel/R-rlang/work/.buildlink/include -I/home/pbulk/build/devel/R-rlang/work/.buildlink/include/glib-2.0 -I/home/pbulk/build/devel/R-rlang/work/.buildlink/include/gio-unix-2.0 -I/home/pbulk/build/devel/R-rlang/work/.buildlink/lib/glib-2.0/include -I/home/pbulk/build/devel/R-rlang/work/.buildlink/include/freetype2 -I/home/pbulk/build/devel/R-rlang/work/.buildlink/include/harfbuzz -I/home/pbulk/build/devel/R-rlang/work/.buildlink/include/ncurses -DLDAP_DEPRECATED -I/home/pbulk/build/devel/R-rlang/work/.buildlink/include/libxml2 -fvisibility=hidden -fPIC -pipe -O2 -msave-args -fno-aggressive-loop-optimizations -pthread -DLDAP_DEPRECATED -c rlang.c -o rlang.o -specs=/home/pbulk/build/devel/R-rlang/work/.cwrapper/specs.pkgsrc -gdwarf-4 -gstrict-dwarf