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Date:      Wed, 27 May 2026 22:59:06 +0000
From:      Aleksandr Rybalko <ray@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: 5a8e0e03ae86 - main - install: Bump compare size limit (128MB) to support large binaries
Message-ID:  <6a17773a.370a1.46119b52@gitrepo.freebsd.org>

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The branch main has been updated by ray:

URL: https://cgit.FreeBSD.org/src/commit/?id=5a8e0e03ae86b449f29626b4f9db25d17c89b273

commit 5a8e0e03ae86b449f29626b4f9db25d17c89b273
Author:     Aleksandr Rybalko <ray@FreeBSD.org>
AuthorDate: 2026-05-27 12:07:47 +0000
Commit:     Aleksandr Rybalko <ray@FreeBSD.org>
CommitDate: 2026-05-27 22:55:57 +0000

    install: Bump compare size limit (128MB) to support large binaries
    
    Preserve metadata and prevent redundant disk writes during builds with
    the install's -C (compare) flag.
    
    The previous historical comparison limit of 16MB is insufficient for
    modern toolchains, frequently choked or bypassed by a large base
    components like LLVM/Clang, kernels, Rust apps, and large runtime
    libraries.
    
    By leaving matching files alone, install keeps their modification timestamps
    intact. make(1) safely ignores those files on subsequent runs.
    
    Base examples: 15.0 amd64 GENERIC kernel - 28MB, clang - 105MB, lldb - 97MB, etc.
    
    Reviewed by:    glebius
    Approved by:    glebius (mentor)
    Obtained from:  Fudo Security
    MFC after:      2 weeks
    Sponsored by:   Fudo Security
    Differential Revision:  https://reviews.freebsd.org/D57271
---
 usr.bin/xinstall/xinstall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr.bin/xinstall/xinstall.c b/usr.bin/xinstall/xinstall.c
index 611274d0af68..d389bdbe3737 100644
--- a/usr.bin/xinstall/xinstall.c
+++ b/usr.bin/xinstall/xinstall.c
@@ -88,7 +88,7 @@
 #define HAVE_STRUCT_STAT_ST_FLAGS 0
 #endif
 
-#define MAX_CMP_SIZE	(16 * 1024 * 1024)
+#define MAX_CMP_SIZE	(128 * 1024 * 1024)
 
 #define	LN_ABSOLUTE	0x01
 #define	LN_RELATIVE	0x02


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