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AC_SUBST(OBJC_SYNC, "objc_sync")
AC_SUBST(OBJC_SYNC_M, "objc_sync.m")
AC_DEFINE(NEED_OBJC_SYNC_INIT, 1,
[Whether objc_sync_init needs to be called])])
test x"$GCC" = x"yes" && CFLAGS="$CFLAGS -Werror"
if test x"$GOBJC" = x"yes"; then
old_OBJCFLAGS="$OBJCFLAGS"
AC_MSG_RESULT([yes, disabling -Werror])
OBJCFLAGS="$old_OBJCFLAGS"])
fi
if test x"$cross_compiling" = x"yes"; then
case "$host" in
*-*-mingw*)
AC_PATH_PROG(WINE, wine)
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AC_SUBST(OBJC_SYNC, "objc_sync")
AC_SUBST(OBJC_SYNC_M, "objc_sync.m")
AC_DEFINE(NEED_OBJC_SYNC_INIT, 1,
[Whether objc_sync_init needs to be called])])
test x"$GCC" = x"yes" && CFLAGS="$CFLAGS -Werror"
if test x"$GOBJC" = x"yes"; then
OBJCFLAGS="$OBJCFLAGS -Werror"
AC_MSG_CHECKING(whether gcc has bug objc/27438)
AC_TRY_COMPILE([
#import <objc/objc.h>
@interface OFConstString
{
Class isa;
const char *string;
unsigned long size;
}
@end
void *_OFConstStringClassReference;
], [
OFConstString *test = @"";
test++; /* Get rid of unused variable warning */
], [AC_MSG_RESULT(no)], [
AC_MSG_RESULT([yes, adding -Wno-unused-variable])
OBJCFLAGS="$OBJCFLAGS -Wno-unused-variable"])
AC_MSG_CHECKING(whether we need -Wno-strict-aliasing due to gcc bugs)
AC_TRY_COMPILE([
#import <objc/objc.h>
@interface OFObject
{
Class isa;
}
@end
static struct {
Class isa;
} object;
], [
OFObject *test = (OFObject*)&object;
test++; /* Get rid of unused variable warning */
], [AC_MSG_RESULT(no)], [
AC_MSG_RESULT(yes)
OBJCFLAGS="$OBJCFLAGS -Wno-strict-aliasing"])
fi
if test x"$cross_compiling" = x"yes"; then
case "$host" in
*-*-mingw*)
AC_PATH_PROG(WINE, wine)
|