ObjXMPP  Check-in [0869fda6d7]

	CPPFLAGS="$CPPFLAGS $libidn_CFLAGS"
	LIBS="$LIBS $libidn_LIBS"
], [
	AC_MSG_ERROR(You need at least libidn 2.5 installed!)
])

AS_IF([test x"$GOBJC" = x"yes"], [
	OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wcast-align -Wpointer-arith"
	OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith"
	dnl We need -Wno-deprecated-declarations as OpenSSL is deprecated on
	dnl OS X.
	OBJCFLAGS="$OBJCFLAGS -Wno-deprecated-declarations -Werror"

	old_OBJCFLAGS="$OBJCFLAGS"
	OBJCFLAGS="$OBJCFLAGS -Wcast-align"
	AC_MSG_CHECKING(whether -Wcast-align is buggy)
	AC_TRY_COMPILE([
		#import <ObjFW/OFObject.h>

		@interface Foo: OFObject
		@end

		@implementation Foo
		- (void)foo
		{
		}
		@end
	], [
	], [
		AC_MSG_RESULT(no)
	], [
		AC_MSG_RESULT(yes)
		OBJCFLAGS="$old_OBJCFLAGS"
	])
])

BUILDSYS_INIT
BUILDSYS_TOUCH_DEPS

dnl We don't call AC_PROG_CPP, but only AC_PROG_OBJCPP and set CPP to OBJCPP
dnl and add OBJCPPFLAGS to CPPFLAGS, thus we need to AC_SUBST these ourself.