configure.ng: Split list into separate lines

configure.ng

@@ -154,15 +154,30 @@ AC_HEADER_TIME
 
 # Required header files
 AC_CHECK_HEADERS([ \
-	fcntl.h netdb.h netinet/in.h stdlib.h string.h \
+		fcntl.h \
-	strings.h sys/socket.h sys/time.h sys/types.h unistd.h \
+		netdb.h \
+		netinet/in.h \
+		stdlib.h \
+		string.h \
+		strings.h \
+		sys/socket.h \
+		sys/time.h \
+		sys/types.h \
+		unistd.h \
 	],,AC_MSG_ERROR([required C header missing!]))
 
 # Optional header files
 AC_CHECK_HEADERS_ONCE([ \
-	arpa/inet.h inttypes.h malloc.h netinet/in_systm.h netinet/ip.h \
+	arpa/inet.h \
-	stdbool.h stddef.h stdint.h varargs.h \
+	inttypes.h \
-	])
+	malloc.h \
+	netinet/in_systm.h \
+	netinet/ip.h \
+	stdbool.h \
+	stddef.h \
+	stdint.h \
+	varargs.h \
+])
 
 # -- Datatypes --
 
@@ -212,17 +227,49 @@ AC_FUNC_STRFTIME
 
 # Required functions
 AC_CHECK_FUNCS([ \
-	alarm dup2 endpwent gethostbyaddr gethostbyname gethostname \
+		alarm \
-	gettimeofday inet_ntoa memmove memset setsid socket strcasecmp \
+		dup2 \
-	strchr strcspn strerror strncasecmp strrchr strspn strstr \
+		endpwent \
+		gethostbyaddr \
+		gethostbyname \
+		gethostname \
+		gettimeofday \
+		inet_ntoa \
+		memmove \
+		memset \
+		setsid \
+		socket \
+		strcasecmp \
+		strchr \
+		strcspn \
+		strerror \
+		strncasecmp \
+		strrchr \
+		strspn \
+		strstr \
 	],,
 	AC_MSG_ERROR([required function missing!]))
 
 # Optional functions
 AC_CHECK_FUNCS_ONCE([
-	arc4random arc4random_stir gai_strerror getnameinfo inet_aton \
+	arc4random \
-	setgroups sigaction sigprocmask snprintf strdup strlcat strlcpy \
+	arc4random_stir \
-	strndup strtok_r unsetenv vsnprintf waitpid])
+	gai_strerror \
+	getnameinfo \
+	inet_aton \
+	setgroups \
+	sigaction \
+	sigprocmask \
+	snprintf \
+	strdup \
+	strlcat \
+	strlcpy \
+	strndup \
+	strtok_r \
+	unsetenv \
+	vsnprintf \
+	waitpid \
+])
 
 WORKING_GETADDRINFO