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Lines 126-132
int main(void){char b[10]; memset(b, 0,
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| 126 |
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126 |
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| 127 |
# -fstack-protector-all doesn't always work for some GCC versions |
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# -fstack-protector-all doesn't always work for some GCC versions |
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# and/or platforms, so we test if we can. If it's not supported |
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# and/or platforms, so we test if we can. If it's not supported |
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# on a give platform gcc will emit a warning so we use -Werror. |
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# on a given platform gcc will emit a warning so we use -Werror. |
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if test "x$use_stack_protector" = "x1"; then |
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if test "x$use_stack_protector" = "x1"; then |
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for t in -fstack-protector-all -fstack-protector; do |
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for t in -fstack-protector-all -fstack-protector; do |
| 132 |
AC_MSG_CHECKING(if $CC supports $t) |
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AC_MSG_CHECKING(if $CC supports $t) |
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Lines 136-143
int main(void){char b[10]; memset(b, 0,
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| 136 |
LDFLAGS="$LDFLAGS $t -Werror" |
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LDFLAGS="$LDFLAGS $t -Werror" |
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AC_LINK_IFELSE( |
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AC_LINK_IFELSE( |
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[AC_LANG_SOURCE([ |
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[AC_LANG_SOURCE([ |
| 139 |
#include <stdlib.h> |
139 |
#include <stdio.h> |
| 140 |
int main(void){return 0;} |
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int main(void){char x@<:@256@:>@; snprintf(x, sizeof(x), "XXX"); return 0;} |
| 141 |
])], |
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])], |
| 142 |
[ AC_MSG_RESULT(yes) |
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[ AC_MSG_RESULT(yes) |
| 143 |
CFLAGS="$saved_CFLAGS $t" |
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CFLAGS="$saved_CFLAGS $t" |
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Lines 145-152
int main(void){return 0;}
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| 145 |
AC_MSG_CHECKING(if $t works) |
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AC_MSG_CHECKING(if $t works) |
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AC_RUN_IFELSE( |
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AC_RUN_IFELSE( |
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[AC_LANG_SOURCE([ |
147 |
[AC_LANG_SOURCE([ |
| 148 |
#include <stdlib.h> |
148 |
#include <stdio.h> |
| 149 |
int main(void){exit(0);} |
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int main(void){char x@<:@256@:>@; snprintf(x, sizeof(x), "XXX"); return 0;} |
| 150 |
])], |
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])], |
| 151 |
[ AC_MSG_RESULT(yes) |
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[ AC_MSG_RESULT(yes) |
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break ], |
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break ], |