gdb: Fix build with clang on riscv64

Signed-off-by: Khem Raj <raj.khem@gmail.com>

2 files changed, 29 insertions, 0 deletions

diff --git a/recipes-devtools/gdb/gdb/0001-gdb-Link-with-latomic-for-riscv-clang-alone.patch b/recipes-devtools/gdb/gdb/0001-gdb-Link-with-latomic-for-riscv-clang-alone.patch
new file mode 100644
index 0000000..8ec0e0e
--- /dev/null
+++ b/recipes-devtools/gdb/gdb/0001-gdb-Link-with-latomic-for-riscv-clang-alone.patch
@@ -0,0 +1,26 @@
+From 23ad5c62e3586a0ea734c191cbcbe71261747758 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 19 Aug 2019 21:47:49 -0700
+Subject: [PATCH] gdb: Link with -latomic for riscv/clang alone
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ gdb/Makefile.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/gdb/Makefile.in b/gdb/Makefile.in
+index 762b32b..6e2a271 100644
+--- a/gdb/Makefile.in
++++ b/gdb/Makefile.in
+@@ -1889,7 +1889,7 @@ gdb$(EXEEXT): gdb.o $(LIBGDB_OBS) $(CDEPS) $(TDEPLIBS)
+        $(SILENCE) rm -f gdb$(EXEEXT)
+        $(ECHO_CXXLD) $(CC_LD) $(INTERNAL_LDFLAGS) $(WIN32LDAPP) \
+                -o gdb$(EXEEXT) gdb.o $(LIBGDB_OBS) \
+-               $(TDEPLIBS) $(TUI_LIBRARY) $(CLIBS) $(LOADLIBES)
++               $(TDEPLIBS) $(TUI_LIBRARY) $(CLIBS) -latomic $(LOADLIBES)
+ ifneq ($(CODESIGN_CERT),)
+        $(ECHO_SIGN) $(CODESIGN) -s $(CODESIGN_CERT) gdb$(EXEEXT)
+ endif
+-- 
+2.23.0
+
diff --git a/recipes-devtools/gdb/gdb_%.bbappend b/recipes-devtools/gdb/gdb_%.bbappend
new file mode 100644
index 0000000..63fbf48
--- /dev/null
+++ b/recipes-devtools/gdb/gdb_%.bbappend
@@ -0,0 +1,3 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+
+SRC_URI_append_toolchain-clang_riscv64 = " file://0001-gdb-Link-with-latomic-for-riscv-clang-alone.patch "