From: Zhang Qiang <qiang.zh...@windriver.com>
When compiling xilinx-zynq board linux-kernel-dev(v5.8) if
"GCC_PLUGINS=y", The following error will appear:
"HOSTCXX -fPIC scripts/gcc-plugins/arm_ssp_per_task_plugin.o
fatal error: gmp.h: No such file or directory"
the GCC_PLUGINS depend on return result of gcc-plugin.sh execution
however in gcc-plugin.sh use HOSTCC to detect the feature of GNU
extension of gcc, this will result that HOSTCC can compile the file
successfully, but HOSTCXX is used in the actual compilation process.
Signed-off-by: Zhang Qiang <qiang.zh...@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfi...@gmail.com>
Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
Cc: Armin Kuster <akuster...@gmail.com>
---
NOTE: I am running into the same problem when compiling v5.10.y, so
it would be helpful to backport this patch.
740d87766c ("kernel.bbclass: Configuration for environment with HOSTCXX")
---
meta/classes/kernel.bbclass | 2 ++
1 file changed, 2 insertions(+)
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 83a574efcd..22b1224d79 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -194,6 +194,8 @@ UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}"
KERNEL_EXTRA_ARGS ?= ""
EXTRA_OEMAKE = " HOSTCC="${BUILD_CC} ${BUILD_CFLAGS} ${BUILD_LDFLAGS}"
HOSTCPP="${BUILD_CPP}""
+EXTRA_OEMAKE += " HOSTCXX="${BUILD_CXX} ${BUILD_CXXFLAGS} ${BUILD_LDFLAGS}""
+
KERNEL_ALT_IMAGETYPE ??= ""
copy_initramfs() {
--
2.30.1
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