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Lines 42-54
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| 42 |
AS_HELP_STRING([--disable-lto], |
42 |
AS_HELP_STRING([--disable-lto], |
| 43 |
[Do not try to use Link-Time Optimization])) |
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[Do not try to use Link-Time Optimization])) |
| 44 |
if test "x$enable_lto" != "xno"; then |
44 |
if test "x$enable_lto" != "xno"; then |
| 45 |
safe_MAYBE_WARN="$MAYBE_WARN" |
45 |
AC_ARG_ENABLE(lto, |
| 46 |
MAYBE_WARN="$MAYBE_WARN -flto" |
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AS_HELP_STRING([--disable-lto], |
| 47 |
AC_TRY_LINK([],[ |
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[Do not try to use Link-Time Optimization])) |
| 48 |
int main(int argc, char **argv) { return 0; } |
48 |
if test "x$enable_lto" != "xno"; then |
| 49 |
],[],[ |
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safe_MAYBE_WARN="$MAYBE_WARN" |
| 50 |
MAYBE_WARN="$safe_MAYBE_WARN" |
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MAYBE_WARN="$MAYBE_WARN -flto" |
| 51 |
]) |
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AC_TRY_LINK([],[ |
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int main(int argc, char **argv) { return 0; } |
| 53 |
],[],[ |
| 54 |
MAYBE_WARN="$safe_MAYBE_WARN" |
| 55 |
]) |
| 56 |
fi |
| 52 |
fi |
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fi |
| 53 |
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| 54 |
MAYBE_WARN="$MAYBE_WARN -fno-strict-aliasing -fno-common" |
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MAYBE_WARN="$MAYBE_WARN -fno-strict-aliasing -fno-common" |
