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llvmPackages_git.compiler-rt: fix build on darwin

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Ported from cf4e1b9e62.
This commit is contained in:
Michael Weiss 2021-08-08 13:54:16 +02:00
parent 3e37e1d980
commit 3731e2d9b1
No known key found for this signature in database
GPG Key ID: 5BE487C4D4771D83
2 changed files with 73 additions and 0 deletions
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71
pkgs/development/compilers/llvm/git/compiler-rt/darwin-targetconditionals.patch Normal file
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@ -0,0 +1,71 @@
diff --git a/lib/sanitizer_common/sanitizer_mac.cpp b/lib/sanitizer_common/sanitizer_mac.cpp
--- a/lib/sanitizer_common/sanitizer_mac.cpp
+++ b/lib/sanitizer_common/sanitizer_mac.cpp
@@ -613,9 +613,15 @@ HandleSignalMode GetHandleSignalMode(int signum) {
// Offset example:
// XNU 17 -- macOS 10.13 -- iOS 11 -- tvOS 11 -- watchOS 4
constexpr u16 GetOSMajorKernelOffset() {
- if (TARGET_OS_OSX) return 4;
- if (TARGET_OS_IOS || TARGET_OS_TV) return 6;
- if (TARGET_OS_WATCH) return 13;
+#if TARGET_OS_OSX
+ return 4;
+#endif
+#if TARGET_OS_IOS || TARGET_OS_TV
+ return 6;
+#endif
+#if TARGET_OS_WATCH
+ return 13;
+#endif
}
using VersStr = char[64];
@@ -627,13 +633,13 @@ static uptr ApproximateOSVersionViaKernelVersion(VersStr vers) {
u16 os_major = kernel_major - offset;
const char *format = "%d.0";
- if (TARGET_OS_OSX) {
- if (os_major >= 16) { // macOS 11+
- os_major -= 5;
- } else { // macOS 10.15 and below
- format = "10.%d";
- }
+#if TARGET_OS_OSX
+ if (os_major >= 16) { // macOS 11+
+ os_major -= 5;
+ } else { // macOS 10.15 and below
+ format = "10.%d";
}
+#endif
return internal_snprintf(vers, sizeof(VersStr), format, os_major);
}
@@ -681,15 +687,14 @@ void ParseVersion(const char *vers, u16 *major, u16 *minor) {
// Aligned versions example:
// macOS 10.15 -- iOS 13 -- tvOS 13 -- watchOS 6
static void MapToMacos(u16 *major, u16 *minor) {
- if (TARGET_OS_OSX)
- return;
-
- if (TARGET_OS_IOS || TARGET_OS_TV)
+#if !TARGET_OS_OSX
+#if TARGET_OS_IOS || TARGET_OS_TV
*major += 2;
- else if (TARGET_OS_WATCH)
+#elif TARGET_OS_WATCH
*major += 9;
- else
+#else
UNREACHABLE("unsupported platform");
+#endif
if (*major >= 16) { // macOS 11+
*major -= 5;
@@ -697,6 +702,7 @@ static void MapToMacos(u16 *major, u16 *minor) {
*minor = *major;
*major = 10;
}
+#endif
}
static MacosVersion GetMacosAlignedVersionInternal() {

2
pkgs/development/compilers/llvm/git/compiler-rt/default.nix
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@ -60,6 +60,8 @@ stdenv.mkDerivation {
# extra `/`.
./normalize-var.patch
]# ++ lib.optional stdenv.hostPlatform.isMusl ./sanitizers-nongnu.patch
# Prevent a compilation error on darwin
++ lib.optional stdenv.hostPlatform.isDarwin ./darwin-targetconditionals.patch
++ lib.optional stdenv.hostPlatform.isAarch32 ./armv7l.patch;
# TSAN requires XPC on Darwin, which we have no public/free source files for. We can depend on the Apple frameworks