git: 4fde25a4b239 - stable/15 - build: Stop testing LINKER_FEATURES for ifunc and build-id

The branch stable/15 has been updated by mhorne:

URL: https://cgit.FreeBSD.org/src/commit/?id=4fde25a4b2393858177913fd695778bbb9e94293

commit 4fde25a4b2393858177913fd695778bbb9e94293
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2026-03-05 19:09:19 +0000
Commit:     Mitchell Horne <mhorne@FreeBSD.org>
CommitDate: 2026-07-10 15:43:32 +0000

    build: Stop testing LINKER_FEATURES for ifunc and build-id
    
    These features are available in all supported linkers, and we can expect
    that they'll be supported by any GNU-compatible linker that we'd use to
    link FreeBSD.
    
    Reviewed by:    imp, kib
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D55676
    
    (cherry picked from commit 96294c22f7e54a48df44c86a4ee5848e71ac4470)
---
 lib/libc/Makefile       | 6 ------
 stand/i386/Makefile.inc | 2 --
 sys/conf/kern.pre.mk    | 6 ------
 sys/conf/kmod.mk        | 2 --
 4 files changed, 16 deletions(-)

diff --git a/lib/libc/Makefile b/lib/libc/Makefile
index 56818e07aa96..fd546dfcef61 100644
--- a/lib/libc/Makefile
+++ b/lib/libc/Makefile
@@ -190,12 +190,6 @@ SUBDIR.${MK_TESTS}+= tests
 
 .include <bsd.lib.mk>
 
-.if (${LIBC_ARCH} == amd64 || ${LIBC_ARCH} == i386) && \
-    ${.TARGETS:Mall} == all && \
-    defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc} == ""
-.error ${LIBC_ARCH} libc requires linker ifunc support
-.endif
-
 .if !defined(_SKIP_BUILD)
 # We need libutil.h, get it directly to avoid
 # recording a build dependency
diff --git a/stand/i386/Makefile.inc b/stand/i386/Makefile.inc
index 324c211420ae..bd4b893df0ac 100644
--- a/stand/i386/Makefile.inc
+++ b/stand/i386/Makefile.inc
@@ -23,9 +23,7 @@ CFLAGS+=	-I${BTXLIB}
 LDSCRIPT=	${BOOTSRC}/i386/boot.ldscript
 LDFLAGS_ORG=	-Wl,--defsym,ORG=${ORG},-T,${LDSCRIPT}
 LDFLAGS_BIN=	-e start ${LDFLAGS_ORG} -Wl,-N,-S,--oformat,binary
-.if ${LINKER_FEATURES:Mbuild-id} != ""
 LDFLAGS_BIN+=	-Wl,--build-id=none
-.endif
 LD_FLAGS_BIN=	-static -N --gc-sections
 
 .if ${MACHINE_CPUARCH} == "amd64"
diff --git a/sys/conf/kern.pre.mk b/sys/conf/kern.pre.mk
index 9a343e5e338c..73551f56f8b8 100644
--- a/sys/conf/kern.pre.mk
+++ b/sys/conf/kern.pre.mk
@@ -114,14 +114,8 @@ CFLAGS+=	${GCOV_CFLAGS}
 # the others.
 CFLAGS+=	${CONF_CFLAGS}
 
-.if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mbuild-id}
 LDFLAGS+=	--build-id=sha1
-.endif
 
-.if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc} == "" && \
-    !make(install)
-.error kernel requires linker ifunc support
-.endif
 .if ${MACHINE_CPUARCH} == "amd64"
 LDFLAGS+=	-z max-page-size=2097152
 .if ${LINKER_TYPE} != "lld"
diff --git a/sys/conf/kmod.mk b/sys/conf/kmod.mk
index b466dca4f0e4..4bc69b95a25c 100644
--- a/sys/conf/kmod.mk
+++ b/sys/conf/kmod.mk
@@ -158,9 +158,7 @@ LDFLAGS+=	-d
 .endif
 LDFLAGS+=	-warn-common
 
-.if defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mbuild-id}
 LDFLAGS+=	--build-id=sha1
-.endif
 
 CFLAGS+=	${DEBUG_FLAGS}
 .if ${MACHINE_CPUARCH} == aarch64 || ${MACHINE_CPUARCH} == amd64 || \