Move C source files to an src/ subdirectory.

It was a bit crowded in here. This makes the source tree a bit nicer.

Makefile.am

@@ -1,35 +1,15 @@
 
 AUTOMAKE_OPTIONS = foreign dist-bzip2
 
+SUBDIRS = src
+
 EXTRA_DIST = bootstrap CHANGES.md README.md index.html \
-	parse.peg getopt.c getopt.h $(man_MANS) $(sysconf_DATA)
+	$(man_MANS) $(sysconf_DATA)
 
 man_MANS = rinetd.8
 sysconf_DATA = rinetd.conf
 noinst_DATA = index.html
 
-sbin_PROGRAMS = rinetd
-rinetd_SOURCES = rinetd.c rinetd.h \
-                 parse.c parse.h \
-                 match.c match.h \
-                 net.c net.h \
-                 types.h
-
-BUILT_SOURCES = parse.c
-
-# If peg/leg is available, regenerate parse.h
-parse.c: parse.peg
-	if which leg >/dev/null 2>&1; then leg -o $@ $^; else touch $@; fi
-
-# If roffit is available, regenerate index.html
-index.html: rinetd.8
-	if which roffit >/dev/null 2>&1; then roffit < $^ > $@; else touch $@; fi
-
-# _POSIX_C_SOURCE is for SA_RESTART and others
-# _XOPEN_SOURCE is for struct sigaction
-# _GNU_SOURCE is for h_errno and gethostbyname-related macros
-rinetd_CFLAGS = -std=c99 -D_XOPEN_SOURCE -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L -Wall -Wextra -Wwrite-strings -I.
-
 # This is for Travis CI; we don’t have a testsuite yet.
 test:
 

configure.ac

@@ -2,8 +2,8 @@
 AC_PREREQ(2.52)
 AC_INIT(rinetd, 0.70, sam@hocevar.net)
 AC_CONFIG_AUX_DIR(.auto)
-AC_CONFIG_SRCDIR([getopt.h])
-AC_CONFIG_HEADER([config.h])
+AC_CONFIG_SRCDIR([src/rinetd.c])
+AC_CONFIG_HEADER([src/config.h])
 AM_INIT_AUTOMAKE([no-define tar-ustar silent-rules])
 
 # Checks for programs.
@@ -34,4 +34,5 @@ AC_FUNC_STRFTIME
 AC_CHECK_FUNCS([gethostbyname memset select socket strstr daemon fork sigaction])
 
 AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([src/Makefile])
 AC_OUTPUT