- Update macros in m4/
- Create 8.2.x branch
- Added m4/ac_define_dir.m4
- Instead of forcefully adding -Wall -Wextra -Wno-unused -Wcast-qual -Wcast-align -Wbad-function-cast -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wredundant-decls -Wshadow -Wwrite-strings -Wundef to CFLAGS, 'configure' now tests if the flags are understood by the compiler
- Move openssl check to m4/ax_check_openssl.m4
- Initial build system related modernizations - Add -fstack-protector to CFLAGS if available