+ #### isn't defined. Always add -g here.
+ #### Try all this, borrowed from Fedora 32 build.
+ CFLAGS="-g -std=c99 -pedantic -Wall -Werror=format-security \
+-Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong \
+-grecord-gcc-switches -fasynchronous-unwind-tables \
+-fstack-clash-protection -fcf-protection"
+ if ! cc -x c -c $CFLAGS /dev/null -o /dev/null 2>/dev/null; then
+ #### All that wasn't supported. The following should be.
+ CFLAGS='-g -std=c99 -pedantic'
+ fi