git: e2e4022725ac - stable/13 - libcompiler_rt Makefile.inc: don't build bfloat16 support for gcc < 13

From: Dimitry Andric <dim_at_FreeBSD.org>
Date: Sat, 20 Apr 2024 10:34:51 UTC
The branch stable/13 has been updated by dim:

URL: https://cgit.FreeBSD.org/src/commit/?id=e2e4022725aca1f7a1a698e241f926bcac506049

commit e2e4022725aca1f7a1a698e241f926bcac506049
Author:     Dimitry Andric <dim@FreeBSD.org>
AuthorDate: 2024-04-07 18:21:01 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2024-04-20 10:29:09 +0000

    libcompiler_rt Makefile.inc: don't build bfloat16 support for gcc < 13
    
    Older versions of gcc produce "error: unknown type name '__bf16'".
    
    PR:             276104
    MFC after:      1 month
    
    (cherry picked from commit 2e226748a961329471f5b51483318b94c8735f34)
---
 lib/libcompiler_rt/Makefile.inc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/libcompiler_rt/Makefile.inc b/lib/libcompiler_rt/Makefile.inc
index eb2b04001b1e..a4d0203b8ed3 100644
--- a/lib/libcompiler_rt/Makefile.inc
+++ b/lib/libcompiler_rt/Makefile.inc
@@ -230,9 +230,10 @@ SRCF+=		comparesf2
 #
 # bfloat16 support, only used on some architectures.
 #
-.if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64" || \
-    ${MACHINE_CPUARCH} == "arm" || (${MACHINE_CPUARCH} == "i386" && \
-    !empty(MACHINE_CPU:Msse2)) || ${MACHINE_CPUARCH} == "riscv"
+.if (${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64" || \
+     ${MACHINE_CPUARCH} == "arm" || (${MACHINE_CPUARCH} == "i386" && \
+     !empty(MACHINE_CPU:Msse2)) || ${MACHINE_CPUARCH} == "riscv") && \
+    !(${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} < 130000)
 SRCF+=		truncdfbf2
 SRCF+=		truncsfbf2
 .endif