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Finer conditions, so /Qspectre is already usable with latest vc15

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This commit is contained in:
Anatol Belski 2018-02-05 10:38:06 +01:00
parent 42f2ae0572
commit 1368aea352
1 changed files with 4 additions and 4 deletions
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8
win32/build/confutils.js
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@ -3069,11 +3069,11 @@ function toolset_setup_common_cflags()
ADD_FLAG('CFLAGS', ' /RTC1 ');
} else {
if (PHP_DEBUG == "no" && PHP_SECURITY_FLAGS == "yes") {
/* Mitigations for Spectre variant 1, see
https://blogs.msdn.microsoft.com/vcblog/2018/01/15/spectre-mitigations-in-msvc/
TODO backport for all supported VS versions when they release it. */
/* Mitigations for CVE-2017-5753.
TODO backport for all supported VS versions when they release it. */
if (VCVERS >= 1912) {
if (VCVERS >= 1913) {
var subver1912 = probe_binary(PHP_CL).substr(6);
if (VCVERS >= 1913 || 1912 == VCVERS && subver1912 >= 25835) {
ADD_FLAG('CFLAGS', "/Qspectre");
} else {
/* Undocumented. */