PATH is the pathname to pkg-config. Note that GTK version 2.4 or
newer is required for Emacs.
-The `--with-gcc' option specifies that the build process should
-compile Emacs using GCC. If you don't want to use GCC, specify
-`--with-gcc=no'. If you omit this option, `configure' will search
-for GCC in your path, and use it if present.
-
The Emacs mail reader RMAIL is configured to be able to read mail from
a POP3 server by default. Versions of the POP protocol older than
POP3 are not supported. For Kerberos-authenticated POP add
preprocessor, CPPFLAGS lists the options passed to it, CFLAGS are
compilation options, LDFLAGS are options used when linking, LIBS are
libraries to link against, and CC is the command which invokes the
-compiler.
+compiler. By default, gcc is used if available.
Here's an example of a `configure' invocation, assuming a Bourne-like
shell such as Bash, which uses these variables: