Replace --enable-wall and --enable-pedantic with --enable-developer-warnings,

which is roughly equivalent to FreeBSD's WARNS level 5 or 6.

git-svn-id: http://www.varnish-cache.org/svn/trunk@278 d4fa192b-c00b-0410-8231-f00ffab90ce4

configure.ac

@@ -15,12 +15,10 @@ AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
 # Compiler flags (assume GCC).
 # This section *must* come before AC_PROG_CC / AC_PROG_CPP.
 CFLAGS="${CFLAGS:--O2}"
-AC_ARG_ENABLE(wall,
-	AS_HELP_STRING([--enable-wall],[use -Wall (default is NO)]),
-	CFLAGS="${CFLAGS} -Wall")
-AC_ARG_ENABLE(pedantic,
-	AS_HELP_STRING([--enable-pedantic],[enable pedantic warnings (default is NO)]),
-	CFLAGS="${CFLAGS} -pedantic")
+DEVELOPER_CFLAGS="-Wall -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls"
+AC_ARG_ENABLE(developer-warnings,
+	AS_HELP_STRING([--enable-developer-warnings],[enable strict warnings (default is NO)]),
+	CFLAGS="${CFLAGS} ${DEVELOPER_CFLAGS}")
 AC_ARG_ENABLE(werror,
 	AS_HELP_STRING([--enable-werror],[use -Werror (default is NO)]),
 	CFLAGS="${CFLAGS} -Werror")