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- Linux hardening flags (all builds): -fstack-protector-strong - Stack canary protection -fPIC - Position Independent Code -Wl,-z,relro,-z,now - Full RELRO (Read-only GOT) - Linux Release-only flags (via configurations.Release): _FORTIFY_SOURCE=2 - Buffer overflow detection -fcf-protection=full - Control Flow Integrity (Intel CET) - macOS hardening flags (all builds): -fstack-protector-strong in OTHER_CFLAGS - Windows hardening flags (all builds): BufferSecurityCheck: "true" (/GS) ControlFlowGuard: "Guard" (/guard:cf) /DYNAMICBASE - ASLR support /NXCOMPAT - DEP/NX bit support - Windows Release-only flags: /sdl - Additional security checks
The -fcf-protection=full flag is now conditional on target_arch=='x64' to prevent build failures on ARM64 architectures (Intel CET is x86-only).
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Linux hardening flags (all builds): -fstack-protector-strong - Stack canary protection -fPIC - Position Independent Code -Wl,-z,relro,-z,now - Full RELRO (Read-only GOT)
Linux Release-only flags (via configurations.Release):
_FORTIFY_SOURCE=2 - Buffer overflow detection -fcf-protection=full - Control Flow Integrity (Intel CET)
macOS hardening flags (all builds):
-fstack-protector-strong in OTHER_CFLAGS
Windows hardening flags (all builds):
BufferSecurityCheck: "true" (/GS) ControlFlowGuard: "Guard" (/guard:cf) /DYNAMICBASE - ASLR support /NXCOMPAT - DEP/NX bit support
Windows Release-only flags:
/sdl - Additional security checks