ObjFW  Diff

AC_INIT(ObjFW, 0.90.2, js@heap.zone)
BUILDSYS_INIT

AS_IF([test configure.ac -nt configure], [
	AC_MSG_ERROR([configure.ac is newer than configure! Run autoreconf!])
])

AC_CONFIG_SRCDIR(src)

	*-morphos*)
		AS_IF([test x"$with_ixemul" != x"yes"], [
			OBJCFLAGS="$OBJCFLAGS -noixemul"
			LDFLAGS="$LDFLAGS -noixemul"
			enable_files="yes"	# Required for reading ENV:

			AC_SUBST(NOIXEMUL, -noixemul)

		])

		enable_shared="no"
		enable_threads="no"
		;;
	*-msdosdjgpp*)
		enable_shared="no"

AX_CHECK_COMPILER_FLAGS(-fno-common, [OBJCFLAGS="$OBJCFLAGS -fno-common"])
AX_CHECK_COMPILER_FLAGS(-fno-constant-cfstrings, [
	OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings"
	AC_SUBST(NO_CONST_CFSTRINGS, "-fno-constant-cfstrings")
])
AX_CHECK_COMPILER_FLAGS(-Wsign-compare -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wsign-compare"])
AX_CHECK_COMPILER_FLAGS(-Wshadow -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wshadow"])
AX_CHECK_COMPILER_FLAGS(-Wshorten-64-to-32 -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wshorten-64-to-32"])
AX_CHECK_COMPILER_FLAGS(-Wsemicolon-before-method-body -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wsemicolon-before-method-body"])
AX_CHECK_COMPILER_FLAGS(-Wobjc-missing-property-synthesis -Werror,
	[OBJCFLAGS="$OBJCFLAGS -Wobjc-missing-property-synthesis"])
AX_CHECK_COMPILER_FLAGS(-Watomic-properties -Werror, [

	])
	AS_IF([test x"$enable_static" = x"yes" -o x"$enable_shared" = x"no"], [
		AC_SUBST(ENCODINGS_A, "encodings.a")
		AC_SUBST(ENCODINGS_ENCODINGS_A, "encodings/encodings.a")
	])
])



AC_CHECK_FUNCS(arc4random random, break)

AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl")
AC_CHECK_HEADERS_ONCE(dlfcn.h)
case "$host_os" in
	netbsd*)
		dnl dladdr exists on NetBSD, but it is completely broken.

		AC_DEFINE(HAVE_EPOLL, 1, [Whether we have epoll])
		AC_SUBST(OFKERNELEVENTOBSERVER_EPOLL_M,
			"OFKernelEventObserver_epoll.m")
		break
	])

	AS_IF([test x"$with_wii" = x"yes"], [
		AC_DEFINE(HAVE_POLL, 1, [Whether we have poll()])
		AC_SUBST(OFKERNELEVENTOBSERVER_POLL_M,
			"OFKernelEventObserver_poll.m")
	], [
		AC_CHECK_HEADERS(poll.h)
		AC_CHECK_FUNC(poll, [
			AC_DEFINE(HAVE_POLL, 1, [Whether we have poll()])
			AC_SUBST(OFKERNELEVENTOBSERVER_POLL_M,

	*-*-msdosdjgpp*)
		have_processes="no"
		;;
	*)
		AC_HEADER_SYS_WAIT
		AC_CHECK_FUNCS(kill)

		AC_CHECK_FUNCS(posix_spawnp, [
			AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
				have_processes="yes"

				AC_CHECK_HEADERS(spawn.h)
			])
		], [
			AC_CHECK_FUNCS([vfork dup2 execvp _exit], [