git: b45fd24a3ca6 - main - lib/msun: move the calculation of LIBC_SRCTOP earlier

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=b45fd24a3ca666fbb1c754d9de94a9b33fa7949e

commit b45fd24a3ca666fbb1c754d9de94a9b33fa7949e
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2026-09-06 23:23:45 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2026-09-08 12:13:29 +0000

    lib/msun: move the calculation of LIBC_SRCTOP earlier
    
    which makes the variable available for machine/Makefile.inc usage.
    
    Reviewed by:    fuz, kfv
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Differential revision:  https://reviews.freebsd.org/D59462
---
 lib/msun/Makefile | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/msun/Makefile b/lib/msun/Makefile
index 6505d09cdaa5..8fa47d752123 100644
--- a/lib/msun/Makefile
+++ b/lib/msun/Makefile
@@ -10,6 +10,11 @@
 #
 
 PACKAGE=	clibs
+
+# LIBCSRCDIR is defined lazily, so can't be used for exists() below
+LIBC_SRCTOP=${SRCTOP}/lib/libc
+# Location of fpmath.h and _fpmath.h
+
 ARCH_SUBDIR=	${MACHINE_CPUARCH:S/i386/i387/}
 
 .include "${ARCH_SUBDIR}/Makefile.inc"
@@ -100,10 +105,6 @@ COMMON_SRCS= b_tgamma.c \
 COMMON_SRCS+= s_asinpi.c s_asinpif.c s_atanpi.c s_atanpif.c \
 	s_cospi.c s_cospif.c s_sinpi.c s_sinpif.c s_tanpi.c s_tanpif.c
 
-# LIBCSRCDIR is defined lazily, so can't be used for exists() below
-LIBC_SRCTOP=${SRCTOP}/lib/libc
-# Location of fpmath.h and _fpmath.h
-
 # Pick the current architecture directory for libc. In general, this is named
 # MACHINE_CPUARCH, but some ABIs are different enough to require their own libc,
 # so allow a directory named MACHINE_ARCH to override this (though treat