| ︙ | | |
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
-
|
OBJCFLAGS="$OBJCFLAGS -std=c1x"
], [
AX_CHECK_COMPILER_FLAGS(-std=c99,
[OBJCFLAGS="$OBJCFLAGS -std=c99"])
])
])
AX_CHECK_COMPILER_FLAGS(-pedantic, [OBJCFLAGS="$OBJCFLAGS -pedantic"])
|
| ︙ | | |
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
|
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
|
-
+
-
+
|
AC_TRY_LINK([#include <stdint.h>], [
int32_t i, j;
if (__sync_add_and_fetch(&i, 1))
j = __sync_sub_and_fetch(&i, 1);
while (!__sync_bool_compare_and_swap(&i, 0, 1));
], [
AC_MSG_RESULT(yes)
atomic_ops="gcc builtins"
atomic_ops="GCC builtins"
AC_DEFINE(OF_HAVE_GCC_ATOMIC_OPS, 1,
[Whether gcc atomic operations are available])
[Whether GCC atomic operations are available])
], [
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING(whether we have an atomic ops assembly implementation)
AC_EGREP_CPP(yes, [
#if defined(__GNUC__) && (defined(__i386__) || \
|
| ︙ | | |
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
|
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
|
-
+
|
AC_DEFINE(OF_IOS, 1, [Whether we compile for iOS])
;;
esac
AS_IF([test x"$GOBJC" = x"yes"], [
OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wpointer-arith -Werror"
AC_MSG_CHECKING(whether we have gcc bug objc/27438)
AC_MSG_CHECKING(whether we have GCC bug objc/27438)
AC_TRY_COMPILE([
@interface OFConstantString
{
struct objc_class *isa;
const char *string;
unsigned long size;
}
|
| ︙ | | |
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
|
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
|
-
+
|
AC_MSG_RESULT(no)
], [
AC_MSG_RESULT([yes, adding -Wno-unused-variable])
OBJCFLAGS="$OBJCFLAGS -Wno-unused-variable"
AC_SUBST(NO_WARN_UNUSED, "-Wno-unused-variable")
])
AC_MSG_CHECKING(whether we need -Wno-strict-aliasing due to gcc bugs)
AC_MSG_CHECKING(whether we need -Wno-strict-aliasing due to GCC bugs)
AC_TRY_COMPILE([
@interface Foo
{
struct objc_class *isa;
}
@end
|
| ︙ | | |
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
|
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
|
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
|
], [
], [
AC_MSG_RESULT(yes)
], [
AC_MSG_RESULT(no)
OBJCFLAGS="$old_OBJCFLAGS"
])
old_OBJCFLAGS="$OBJCFLAGS"
OBJCFLAGS="$OBJCFLAGS -pedantic"
AC_MSG_CHECKING(whether -pedantic is buggy)
AC_TRY_COMPILE([
#import <stdlib.h>
#ifdef __has_attribute
# if __has_attribute(objc_root_class)
__attribute__((__objc_root_class__))
# endif
#endif
@interface Foo
{
void *foo;
}
@end
@interface Bar: Foo
@end
], [], [
AC_MSG_RESULT(no)
], [
AC_MSG_RESULT(yes)
OBJCFLAGS="$old_OBJCFLAGS"
])
])
AS_IF([test x"$cross_compiling" = x"yes"], [
AC_SUBST(BIN_PREFIX, "${host_alias}-")
case "$host" in
*-*-mingw*)
|
| ︙ | | |