ObjFW  Diff

AC_INIT(ObjFW, 1.0.12, js@nil.im, objfw, https://objfw.nil.im/)
AC_CONFIG_SRCDIR(src)
AC_CONFIG_AUX_DIR(build-aux)
AC_CONFIG_MACRO_DIR(build-aux/m4)

AC_DEFINE(OBJFW_VERSION_MAJOR, 1, [The major version of ObjFW])
AC_DEFINE(OBJFW_VERSION_MINOR, 0, [The minor version of ObjFW])

AC_SUBST(BUNDLE_VERSION, 1.0.12)
AC_SUBST(BUNDLE_SHORT_VERSION, 1.0)

for i in configure.ac build-aux/m4/*; do
	AS_IF([test $i -nt configure], [
		AC_MSG_ERROR([$i is newer than configure! Run ./autogen.sh!])
	])
done

	;;
*)
	potential_compilers="clang egcc gcc"
	;;
esac
AC_PROG_OBJC($potential_compilers)
AC_PROG_OBJCPP
AC_PROG_EGREP
AC_PROG_LN_S

BUILDSYS_CHECK_IOS

AC_ARG_WITH(wii,
	AS_HELP_STRING([--with-wii], [build for Wii]))
AS_IF([test x"$with_wii" = x"yes"], [

	CPPFLAGS="-D__EXTENSIONS__ -D_POSIX_PTHREAD_SEMANTICS $CPPFLAGS"
	;;
esac

objc_runtime="ObjFW runtime"
AC_CHECK_HEADER(objc/objc.h)
AC_MSG_CHECKING(which Objective C runtime to use)


AC_ARG_ENABLE(seluid24,
	AS_HELP_STRING([--enable-seluid24],
		[use 24 bit instead of 16 bit for selector UIDs]))

AS_IF([test x"$ac_cv_header_objc_objc_h" = x"yes"], [
	AC_EGREP_CPP(egrep_cpp_yes, [
		#import <objc/objc.h>

		#ifdef OBJC_BOOL_DEFINED
		egrep_cpp_yes
		#endif
	], [
		objc_runtime="Apple runtime"
	], [
		dnl We don't want the GNU runtime
		:

	])
])
AC_MSG_RESULT($objc_runtime)

case "$objc_runtime" in
"ObjFW runtime")
	AC_DEFINE(OF_OBJFW_RUNTIME, 1, [Whether we use the ObjFW runtime])

	], [
		AC_DEFINE(HAVE_VFP2, 1, [Whether we have VFP2 or above])
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
	])
	;;
aarch64* | arm64*)
	AC_MSG_CHECKING(for bti)
	AC_COMPILE_IFELSE([
		AC_LANG_PROGRAM([], [
			__asm__ __volatile__ ("bti c");
		])
	], [
		AC_DEFINE(HAVE_BTI, 1, [Whether we have bti])
		AC_MSG_RESULT(yes)
	], [
		AC_MSG_RESULT(no)
	])
	;;
i?86 | x86_64)
	AC_CHECK_HEADERS(cet.h)
	;;
esac

AC_CHECK_LIB(m, fmod, LIBS="$LIBS -lm")
AC_CHECK_LIB(complex, creal, TESTS_LIBS="$TESTS_LIBS -lcomplex")

AC_CHECK_FUNCS(strtof truncf)

		AC_CHECK_LIB(socket, socket, LIBS="$LIBS -lsocket")
		;;
	esac

	AC_CHECK_HEADER(sys/socket.h, [
		AC_DEFINE(OF_HAVE_SYS_SOCKET_H, 1,
			[Whether we have sys/socket.h])
	])
	AC_CHECK_MEMBERS([struct sockaddr.sa_len], [], [], [
		#ifdef OF_HAVE_SYS_TYPES_H
		# include <sys/types.h>
		#endif
		#ifdef OF_HAVE_SYS_SOCKET_H
		# include <sys/socket.h>
		#endif
		#ifdef _WIN32
		# include <winsock2.h>
		#endif
	])
	AC_CHECK_TYPE([struct sockaddr_storage], [
		AC_DEFINE(OF_HAVE_SOCKADDR_STORAGE, 1,
			[Whether we have struct sockaddr_storage])
	], [], [
		#ifdef OF_HAVE_SYS_TYPES_H
		# include <sys/types.h>

			#endif

			#ifdef AF_INET6
			egrep_cpp_yes
			#endif
		], [
			AC_DEFINE(OF_HAVE_IPV6, 1, [Whether we have IPv6])


		])
	], [
		dnl Work around a bug in autoconf 2.61 that creates a broken
		dnl configure if this branch is empty.
		:
	], [
		#ifdef _WIN32

			])
		], [
			break
		])
	])
])
AS_IF([test x"$have_subprocesses" = x"yes"], [
	AC_SUBST(USE_SRCS_SUBPROCESS, '${SRCS_SUBPROCESS}')
	AC_SUBST(SUBPROCESS, "subprocess")
	AC_DEFINE(OF_HAVE_SUBPROCESSES, 1, [Whether we have subprocesses])
])

AC_CHECK_HEADERS_ONCE([complex.h sys/ioctl.h sys/ttycom.h])
AC_CHECK_FUNCS(ioctl isatty)

AC_CHECK_FUNC(pledge, [

])

AS_IF([test x"$GOBJC" = x"yes"], [
	OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith"

	AC_ARG_ENABLE(werror,
		AS_HELP_STRING([--disable-werror], [do not build with -Werror]))
	AS_IF([test x"$enable_werror" = x"yes"], [
		OBJCFLAGS="$OBJCFLAGS -Werror"
	])

	old_OBJCFLAGS="$OBJCFLAGS"
	OBJCFLAGS="$OBJCFLAGS -Werror"
	AC_MSG_CHECKING(whether we need -Wno-strict-aliasing due to GCC bugs)
	AC_COMPILE_IFELSE([