NetBSD Problem Report #58300

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Date: Wed, 29 May 2024 10:57:13 +0000 (UTC)
From: sotiris@lamprinidis.com
Reply-To: sotiris@lamprinidis.com
To: gnats-bugs@NetBSD.org
Subject: LLVM Release & Tools Build Fails on Darwin with clang-15
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>Number:         58300
>Category:       toolchain
>Synopsis:       LLVM Release & Tools Build Fails on Darwin with clang-15
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    toolchain-manager
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed May 29 11:00:01 +0000 2024
>Closed-Date:    Wed May 29 11:15:40 +0000 2024
>Last-Modified:  Wed May 29 11:15:40 +0000 2024
>Originator:     Sotiris Lamprinidis
>Release:        10.0
>Organization:
>Environment:
Darwin [REDACTED] 23.5.0 Darwin Kernel Version 23.5.0: Wed May  1 20:12:58 PDT 2024; root:xnu-10063.121.3~5/RELEASE_ARM64_T6000 arm64
>Description:
Building the LLVM toolchain or release from a recent Darwin OS fails (clang-1500.3.9.4, arm64-apple-darwin23.5.0)

Error message:

While building module 'LLVM_Utils' imported from /Users/sl/netbsd-src/tools/llvm-lib/libLLVMSupport/../../llvm/../../external/apache2/llvm/lib/../dist/llvm/lib/Support/AArch64TargetParser.cpp:14:
In file included from <module-includes>:126:
/Users/sl/netbsd-src/tools/llvm-lib/libLLVMSupport/../../llvm/../../external/apache2/llvm/lib/../dist/llvm/include/llvm/Support/Chrono.h:79:30: error: missing '#include <ratio>'; 'ratio' must be declared before it is used
template <> struct unit<std::ratio<3600>> { static const char value[]; };
                             ^
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/ratio:254:28: note: declaration here is not visible
class _LIBCPP_TEMPLATE_VIS ratio
>How-To-Repeat:
On a Darwin system, /usr/src/build.sh -cclang tools
>Fix:
Explicitly include ratio.h in llvm/Support/Chrono.h:

diff -urNw a/external/apache2/llvm/dist/llvm/include/llvm/Support/Chrono.h b/external/apache2/llvm/dist/llvm/include/llvm/Support/Chrono.h
--- a/external/apache2/llvm/dist/llvm/include/llvm/Support/Chrono.h 2021-05-30 03:26:36.000000000 +0200
+++ b/external/apache2/llvm/dist/llvm/include/llvm/Support/Chrono.h 2024-05-27 15:34:19.778838218 +0200
@@ -14,6 +14,7 @@

 #include <chrono>
 #include <ctime>
+#include <ratio>

 namespace llvm {


>Release-Note:

>Audit-Trail:

State-Changed-From-To: open->closed
State-Changed-By: hgutch@NetBSD.org
State-Changed-When: Wed, 29 May 2024 11:15:40 +0000
State-Changed-Why:
Duplicate of PR 57982

Still need to figure out a good way to make the equivalent change
outside of external/apache2/llvm/dist


>Unformatted:

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