forked from rpms/glibc
21 lines
678 B
Diff
21 lines
678 B
Diff
2012-03-30 Jeff Law <law@redhat.com>
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* include/features.h: Warn if user requests FORTIFY_SOURCE checking
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but the checks are disabled for any reason.
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diff --git a/include/features.h b/include/features.h
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index c347555..e3ad8b0 100644
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--- a/include/features.h
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+++ b/include/features.h
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@@ -325,6 +325,10 @@
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# define __USE_FORTIFY_LEVEL 0
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#endif
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+#if defined _FORTIFY_SOURCE && _FORTIFY_SOURCE > 0 && __USE_FORTIFY_LEVEL == 0
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+# warning _FORTIFY_SOURCE requested but disabled, please enable optimizer to restore fortification
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+#endif
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+
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/* We do support the IEC 559 math functionality, real and complex. */
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#define __STDC_IEC_559__ 1
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#define __STDC_IEC_559_COMPLEX__ 1
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